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 * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
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var(--ck-color-button-on-active-shadow)}.ck.ck-button.ck-on.ck-disabled,a.ck.ck-button.ck-on.ck-disabled{background:var(--ck-color-button-on-disabled-background)}.ck.ck-button.ck-button-save,a.ck.ck-button.ck-button-save{color:var(--ck-color-button-save)}.ck.ck-button.ck-button-cancel,a.ck.ck-button.ck-button-cancel{color:var(--ck-color-button-cancel)}.ck.ck-button-action,a.ck.ck-button-action{background:var(--ck-color-button-action-background)}.ck.ck-button-action:not(.ck-disabled):hover,a.ck.ck-button-action:not(.ck-disabled):hover{background:var(--ck-color-button-action-hover-background)}.ck.ck-button-action:not(.ck-disabled):active,a.ck.ck-button-action:not(.ck-disabled):active{background:var(--ck-color-button-action-active-background);box-shadow:inset 0 2px 2px 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0;min-height:15px;background:var(--ck-color-panel-background);border:1px solid var(--ck-color-panel-border);border-radius:var(--ck-border-radius);width:100%;height:100%}.ck .ck-fake-panel div:first-child{margin-left:var(--ck-balloon-fake-panel-offset-horizontal);margin-top:var(--ck-balloon-fake-panel-offset-vertical)}.ck .ck-fake-panel div:nth-child(2){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*2);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*2)}.ck .ck-fake-panel div:nth-child(3){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*3);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*3)}.ck .ck-balloon-panel_arrow_s+.ck-fake-panel,.ck .ck-balloon-panel_arrow_se+.ck-fake-panel,.ck .ck-balloon-panel_arrow_sw+.ck-fake-panel{--ck-balloon-fake-panel-offset-vertical:-6px}"},function(t,e,o){var i=o(1),n=o(31);"string"==typeof(n=n.__esModule?n.default:n)&&(n=[[t.i,n,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(n,r);t.exports=n.locals||{}},function(t,e){t.exports=".ck.ck-dropdown{display:inline-block;position:relative}.ck.ck-dropdown .ck-dropdown__arrow{pointer-events:none;z-index:var(--ck-z-default)}.ck.ck-dropdown .ck-button.ck-dropdown__button{width:100%}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-on .ck-tooltip{display:none}.ck.ck-dropdown .ck-dropdown__panel{-webkit-backface-visibility:hidden;display:none;z-index:var(--ck-z-modal);position:absolute}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel-visible{display:inline-block}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_ne,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nw{bottom:100%}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_se,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_sw{top:100%;bottom:auto}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_ne,.ck.ck-dropdown 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i=o(1),n=o(81);"string"==typeof(n=n.__esModule?n.default:n)&&(n=[[t.i,n,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(n,r);t.exports=n.locals||{}},function(t,e){t.exports=".ck.ck-link-form{display:flex}.ck.ck-link-form .ck-label{display:none}@media screen and (max-width:600px){.ck.ck-link-form{flex-wrap:wrap}.ck.ck-link-form .ck-labeled-field-view{flex-basis:100%}.ck.ck-link-form .ck-button{flex-basis:50%}}.ck.ck-link-form_layout-vertical{display:block}.ck.ck-link-form{padding:var(--ck-spacing-standard)}.ck.ck-link-form:focus{outline:none}[dir=ltr] .ck.ck-link-form>:not(:first-child),[dir=rtl] .ck.ck-link-form>:not(:last-child){margin-left:var(--ck-spacing-standard)}@media screen and (max-width:600px){.ck.ck-link-form{padding:0;width:calc(0.8*var(--ck-input-text-width))}.ck.ck-link-form .ck-labeled-field-view{margin:var(--ck-spacing-standard) var(--ck-spacing-standard) 0}.ck.ck-link-form .ck-labeled-field-view 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0===n&&(n=e),i===n&&o.has(t)||(o.set(t,n),this.fire("change:"+t,t,n,i))}}),this[t]=e},bind(...t){if(!t.length||!Gi(t))throw new go.b("observable-bind-wrong-properties: All properties must be strings.",this);if(new Set(t).size!==t.length)throw new go.b("observable-bind-duplicate-properties: Properties must be unique.",this);qi(this);const e=this[ji];t.forEach(t=>{if(e.has(t))throw new go.b("observable-bind-rebind: Cannot bind the same property more than once.",this)});const o=new Map;return t.forEach(t=>{const i={property:t,to:[]};e.set(t,i),o.set(t,i)}),{to:Ui,toMany:$i,_observable:this,_bindProperties:t,_to:[],_bindings:o}},unbind(...t){if(!this[Di])return;const e=this[ji],o=this[Li];if(t.length){if(!Gi(t))throw new go.b("observable-unbind-wrong-properties: Properties must be strings.",this);t.forEach(t=>{const i=e.get(t);if(!i)return;let n,r,s,a;i.to.forEach(t=>{n=t[0],r=t[1],s=o.get(n),a=s[r],a.delete(i),a.size||delete s[r],Object.keys(s).length||(o.delete(n),this.stopListening(n,"change"))}),e.delete(t)})}else o.forEach((t,e)=>{this.stopListening(e,"change")}),o.clear(),e.clear()},decorate(t){const e=this[t];if(!e)throw new go.b("observablemixin-cannot-decorate-undefined: Cannot decorate an undefined method.",this,{object:this,methodName:t});this.on(t,(t,o)=>{t.return=e.apply(this,o)}),this[t]=function(...e){return this.fire(t,e)}}};Fi(Hi,po);var Wi=Hi;function qi(t){t[Di]||(Object.defineProperty(t,Di,{value:new Map}),Object.defineProperty(t,Li,{value:new Map}),Object.defineProperty(t,ji,{value:new Map}))}function Ui(...t){const e=function(...t){if(!t.length)throw new go.b("observable-bind-to-parse-error: Invalid argument syntax in `to()`.",null);const e={to:[]};let o;"function"==typeof t[t.length-1]&&(e.callback=t.pop());return t.forEach(t=>{if("string"==typeof t)o.properties.push(t);else{if("object"!=typeof t)throw new go.b("observable-bind-to-parse-error: Invalid argument syntax in `to()`.",null);o={observable:t,properties:[]},e.to.push(o)}}),e}(...t),o=Array.from(this._bindings.keys()),i=o.length;if(!e.callback&&e.to.length>1)throw new go.b("observable-bind-to-no-callback: Binding multiple observables only possible with callback.",this);if(i>1&&e.callback)throw new go.b("observable-bind-to-extra-callback: Cannot bind multiple properties and use a callback in one binding.",this);var n;e.to.forEach(t=>{if(t.properties.length&&t.properties.length!==i)throw new go.b("observable-bind-to-properties-length: The number of properties must match.",this);t.properties.length||(t.properties=this._bindProperties)}),this._to=e.to,e.callback&&(this._bindings.get(o[0]).callback=e.callback),n=this._observable,this._to.forEach(t=>{const e=n[Li];let o;e.get(t.observable)||n.listenTo(t.observable,"change",(i,r)=>{o=e.get(t.observable)[r],o&&o.forEach(t=>{Ki(n,t.property)})})}),function(t){let e;t._bindings.forEach((o,i)=>{t._to.forEach(n=>{e=n.properties[o.callback?0:t._bindProperties.indexOf(i)],o.to.push([n.observable,e]),function(t,e,o,i){const n=t[Li],r=n.get(o),s=r||{};s[i]||(s[i]=new Set);s[i].add(e),r||n.set(o,s)}(t._observable,o,n.observable,e)})})}(this),this._bindProperties.forEach(t=>{Ki(this._observable,t)})}function $i(t,e,o){if(this._bindings.size>1)throw new go.b("observable-bind-to-many-not-one-binding: Cannot bind multiple properties with toMany().",this);this.to(...function(t,e){const o=t.map(t=>[t,e]);return Array.prototype.concat.apply([],o)}(t,e),o)}function Gi(t){return t.every(t=>"string"==typeof t)}function Ki(t,e){const o=t[ji].get(e);let i;o.callback?i=o.callback.apply(t,o.to.map(t=>t[0][t[1]])):(i=o.to[0],i=i[0][i[1]]),t.hasOwnProperty(e)?t[e]=i:t.set(e,i)}class Ji extends Bi{constructor(t,e,o,i){super(t,e,o,i),this.set("isReadOnly",!1),this.set("isFocused",!1),this.bind("isReadOnly").to(t),this.bind("isFocused").to(t,"isFocused",e=>e&&t.selection.editableElement==this),this.listenTo(t.selection,"change",()=>{this.isFocused=t.isFocused&&t.selection.editableElement==this})}is(t,e=null){return e?e===this.name&&("editableElement"===t||"view:editableElement"===t||"containerElement"===t||"view:containerElement"===t||"element"===t||"view:element"===t):"editableElement"===t||"view:editableElement"===t||"containerElement"===t||"view:containerElement"===t||t===this.name||t==="view:"+this.name||"element"===t||"view:element"===t||"node"===t||"view:node"===t}destroy(){this.stopListening()}}Co(Ji,Wi);const Yi=Symbol("rootName");class Qi extends Ji{constructor(t,e){super(t,e),this.rootName="main"}is(t,e=null){return e?e===this.name&&("rootElement"===t||"view:rootElement"===t||"editableElement"===t||"view:editableElement"===t||"containerElement"===t||"view:containerElement"===t||"element"===t||"view:element"===t):"rootElement"===t||"view:rootElement"===t||"editableElement"===t||"view:editableElement"===t||"containerElement"===t||"view:containerElement"===t||t===this.name||t==="view:"+this.name||"element"===t||"view:element"===t||"node"===t||"view:node"===t}get rootName(){return this.getCustomProperty(Yi)}set rootName(t){this._setCustomProperty(Yi,t)}set _name(t){this.name=t}}class Xi{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new go.b("view-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.",null);if(t.direction&&"forward"!=t.direction&&"backward"!=t.direction)throw new go.b("view-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",t.startPosition,{direction:t.direction});this.boundaries=t.boundaries||null,t.startPosition?this.position=Zi._createAt(t.startPosition):this.position=Zi._createAt(t.boundaries["backward"==t.direction?"end":"start"]),this.direction=t.direction||"forward",this.singleCharacters=!!t.singleCharacters,this.shallow=!!t.shallow,this.ignoreElementEnd=!!t.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null}[Symbol.iterator](){return this}skip(t){let e,o,i;do{i=this.position,({done:e,value:o}=this.next())}while(!e&&t(o));e||(this.position=i)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){let t=this.position.clone();const e=this.position,o=t.parent;if(null===o.parent&&t.offset===o.childCount)return{done:!0};if(o===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0};let i;if(o instanceof No){if(t.isAtEnd)return this.position=Zi._createAfter(o),this._next();i=o.data[t.offset]}else i=o.getChild(t.offset);if(i instanceof Mi)return this.shallow?t.offset++:t=new Zi(i,0),this.position=t,this._formatReturnValue("elementStart",i,e,t,1);if(i instanceof No){if(this.singleCharacters)return t=new Zi(i,0),this.position=t,this._next();{let o,n=i.data.length;return i==this._boundaryEndParent?(n=this.boundaries.end.offset,o=new Bo(i,0,n),t=Zi._createAfter(o)):(o=new Bo(i,0,i.data.length),t.offset++),this.position=t,this._formatReturnValue("text",o,e,t,n)}}if("string"==typeof i){let i;if(this.singleCharacters)i=1;else{i=(o===this._boundaryEndParent?this.boundaries.end.offset:o.data.length)-t.offset}const n=new Bo(o,t.offset,i);return t.offset+=i,this.position=t,this._formatReturnValue("text",n,e,t,i)}return t=Zi._createAfter(o),this.position=t,this.ignoreElementEnd?this._next():this._formatReturnValue("elementEnd",o,e,t)}_previous(){let t=this.position.clone();const e=this.position,o=t.parent;if(null===o.parent&&0===t.offset)return{done:!0};if(o==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};let i;if(o instanceof No){if(t.isAtStart)return this.position=Zi._createBefore(o),this._previous();i=o.data[t.offset-1]}else i=o.getChild(t.offset-1);if(i instanceof Mi)return this.shallow?(t.offset--,this.position=t,this._formatReturnValue("elementStart",i,e,t,1)):(t=new Zi(i,i.childCount),this.position=t,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",i,e,t));if(i instanceof No){if(this.singleCharacters)return t=new Zi(i,i.data.length),this.position=t,this._previous();{let o,n=i.data.length;if(i==this._boundaryStartParent){const e=this.boundaries.start.offset;o=new Bo(i,e,i.data.length-e),n=o.data.length,t=Zi._createBefore(o)}else o=new Bo(i,0,i.data.length),t.offset--;return this.position=t,this._formatReturnValue("text",o,e,t,n)}}if("string"==typeof i){let i;if(this.singleCharacters)i=1;else{const e=o===this._boundaryStartParent?this.boundaries.start.offset:0;i=t.offset-e}t.offset-=i;const n=new Bo(o,t.offset,i);return this.position=t,this._formatReturnValue("text",n,e,t,i)}return t=Zi._createBefore(o),this.position=t,this._formatReturnValue("elementStart",o,e,t,1)}_formatReturnValue(t,e,o,i,n){return e instanceof Bo&&(e.offsetInText+e.data.length==e.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?o=Zi._createAfter(e.textNode):(i=Zi._createAfter(e.textNode),this.position=i)),0===e.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?o=Zi._createBefore(e.textNode):(i=Zi._createBefore(e.textNode),this.position=i))),{done:!1,value:{type:t,item:e,previousPosition:o,nextPosition:i,length:n}}}}class Zi{constructor(t,e){this.parent=t,this.offset=e}get nodeAfter(){return this.parent.is("text")?null:this.parent.getChild(this.offset)||null}get nodeBefore(){return this.parent.is("text")?null:this.parent.getChild(this.offset-1)||null}get isAtStart(){return 0===this.offset}get isAtEnd(){const t=this.parent.is("text")?this.parent.data.length:this.parent.childCount;return this.offset===t}get root(){return this.parent.root}get editableElement(){let t=this.parent;for(;!(t instanceof Ji);){if(!t.parent)return null;t=t.parent}return t}getShiftedBy(t){const e=Zi._createAt(this),o=e.offset+t;return e.offset=o<0?0:o,e}getLastMatchingPosition(t,e={}){e.startPosition=this;const o=new Xi(e);return o.skip(t),o.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(t){const e=this.getAncestors(),o=t.getAncestors();let i=0;for(;e[i]==o[i]&&e[i];)i++;return 0===i?null:e[i-1]}is(t){return"position"===t||"view:position"===t}isEqual(t){return this.parent==t.parent&&this.offset==t.offset}isBefore(t){return"before"==this.compareWith(t)}isAfter(t){return"after"==this.compareWith(t)}compareWith(t){if(this.root!==t.root)return"different";if(this.isEqual(t))return"same";const e=this.parent.is("node")?this.parent.getPath():[],o=t.parent.is("node")?t.parent.getPath():[];e.push(this.offset),o.push(t.offset);const i=Vo(e,o);switch(i){case"prefix":return"before";case"extension":return"after";default:return e[i]<o[i]?"before":"after"}}getWalker(t={}){return t.startPosition=this,new Xi(t)}clone(){return new Zi(this.parent,this.offset)}static _createAt(t,e){if(t instanceof Zi)return new this(t.parent,t.offset);{const o=t;if("end"==e)e=o.is("text")?o.data.length:o.childCount;else{if("before"==e)return this._createBefore(o);if("after"==e)return this._createAfter(o);if(0!==e&&!e)throw new go.b("view-createPositionAt-offset-required: View#createPositionAt() requires the offset when the first parameter is a view item.",o)}return new Zi(o,e)}}static _createAfter(t){if(t.is("textProxy"))return new Zi(t.textNode,t.offsetInText+t.data.length);if(!t.parent)throw new go.b("view-position-after-root: You can not make position after root.",t,{root:t});return new Zi(t.parent,t.index+1)}static _createBefore(t){if(t.is("textProxy"))return new Zi(t.textNode,t.offsetInText);if(!t.parent)throw new go.b("view-position-before-root: You can not make position before root.",t,{root:t});return new Zi(t.parent,t.index)}}class tn{constructor(t,e=null){this.start=t.clone(),this.end=e?e.clone():t.clone()}*[Symbol.iterator](){yield*new Xi({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return this.start.parent===this.end.parent}get root(){return this.start.root}getEnlarged(){let t=this.start.getLastMatchingPosition(en,{direction:"backward"}),e=this.end.getLastMatchingPosition(en);return t.parent.is("text")&&t.isAtStart&&(t=Zi._createBefore(t.parent)),e.parent.is("text")&&e.isAtEnd&&(e=Zi._createAfter(e.parent)),new tn(t,e)}getTrimmed(){let t=this.start.getLastMatchingPosition(en);if(t.isAfter(this.end)||t.isEqual(this.end))return new tn(t,t);let e=this.end.getLastMatchingPosition(en,{direction:"backward"});const o=t.nodeAfter,i=e.nodeBefore;return o&&o.is("text")&&(t=new Zi(o,0)),i&&i.is("text")&&(e=new Zi(i,i.data.length)),new tn(t,e)}isEqual(t){return this==t||this.start.isEqual(t.start)&&this.end.isEqual(t.end)}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const o=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),i=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return o&&i}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new tn(this.start,t.start)),this.containsPosition(t.end)&&e.push(new tn(t.end,this.end))):e.push(this.clone()),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,o=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(o=t.end),new tn(e,o)}return null}getWalker(t={}){return t.boundaries=this,new Xi(t)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;let t=this.start.nodeAfter,e=this.end.nodeBefore;return this.start.parent.is("text")&&this.start.isAtEnd&&this.start.parent.nextSibling&&(t=this.start.parent.nextSibling),this.end.parent.is("text")&&this.end.isAtStart&&this.end.parent.previousSibling&&(e=this.end.parent.previousSibling),t&&t.is("element")&&t===e?t:null}clone(){return new tn(this.start,this.end)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Xi(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Xi(t);yield e.position;for(const t of e)yield t.nextPosition}is(t){return"range"===t||"view:range"===t}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}static _createFromParentsAndOffsets(t,e,o,i){return new this(new Zi(t,e),new Zi(o,i))}static _createFromPositionAndShift(t,e){const o=t,i=t.getShiftedBy(e);return e>0?new this(o,i):new this(i,o)}static _createIn(t){return this._createFromParentsAndOffsets(t,0,t,t.childCount)}static _createOn(t){const e=t.is("textProxy")?t.offsetSize:1;return this._createFromPositionAndShift(Zi._createBefore(t),e)}}function en(t){return!(!t.item.is("attributeElement")&&!t.item.is("uiElement"))}function on(t){let e=0;for(const o of t)e++;return e}class nn{constructor(t=null,e,o){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",this.setTo(t,e,o)}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.end:t.start).clone()}get focus(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.start:t.end).clone()}get isCollapsed(){return 1===this.rangeCount&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){return this.anchor?this.anchor.editableElement:null}*getRanges(){for(const t of this._ranges)yield t.clone()}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?t.clone():null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?t.clone():null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}isEqual(t){if(this.isFake!=t.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=t.fakeSelectionLabel)return!1;if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let o=!1;for(const i of t._ranges)if(e.isEqual(i)){o=!0;break}if(!o)return!1}return!0}isSimilar(t){if(this.isBackward!=t.isBackward)return!1;const e=on(this.getRanges());if(e!=on(t.getRanges()))return!1;if(0==e)return!0;for(let e of this.getRanges()){e=e.getTrimmed();let o=!1;for(let i of t.getRanges())if(i=i.getTrimmed(),e.start.isEqual(i.start)&&e.end.isEqual(i.end)){o=!0;break}if(!o)return!1}return!0}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}setTo(t,e,o){if(null===t)this._setRanges([]),this._setFakeOptions(e);else if(t instanceof nn||t instanceof rn)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof tn)this._setRanges([t],e&&e.backward),this._setFakeOptions(e);else if(t instanceof Zi)this._setRanges([new tn(t)]),this._setFakeOptions(e);else if(t instanceof Mo){const i=!!o&&!!o.backward;let n;if(void 0===e)throw new go.b("view-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",this);n="in"==e?tn._createIn(t):"on"==e?tn._createOn(t):new tn(Zi._createAt(t,e)),this._setRanges([n],i),this._setFakeOptions(o)}else{if(!xo(t))throw new go.b("view-selection-setTo-not-selectable: Cannot set selection to given place.",this);this._setRanges(t,e&&e.backward),this._setFakeOptions(e)}this.fire("change")}setFocus(t,e){if(null===this.anchor)throw new go.b("view-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",this);const o=Zi._createAt(t,e);if("same"==o.compareWith(this.focus))return;const i=this.anchor;this._ranges.pop(),"before"==o.compareWith(i)?this._addRange(new tn(o,i),!0):this._addRange(new tn(i,o)),this.fire("change")}is(t){return"selection"===t||"view:selection"===t}_setRanges(t,e=!1){t=Array.from(t),this._ranges=[];for(const e of t)this._addRange(e);this._lastRangeBackward=!!e}_setFakeOptions(t={}){this._isFake=!!t.fake,this._fakeSelectionLabel=t.fake&&t.label||""}_addRange(t,e=!1){if(!(t instanceof tn))throw new go.b("view-selection-add-range-not-range: Selection range set to an object that is not an instance of view.Range",this);this._pushRange(t),this._lastRangeBackward=!!e}_pushRange(t){for(const e of this._ranges)if(t.isIntersecting(e))throw new go.b("view-selection-range-intersects: Trying to add a range that intersects with another range from selection.",this,{addedRange:t,intersectingRange:e});this._ranges.push(new tn(t.start,t.end))}}Co(nn,po);class rn{constructor(t=null,e,o){this._selection=new nn,this._selection.delegate("change").to(this),this._selection.setTo(t,e,o)}get isFake(){return this._selection.isFake}get fakeSelectionLabel(){return this._selection.fakeSelectionLabel}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get isCollapsed(){return this._selection.isCollapsed}get rangeCount(){return this._selection.rangeCount}get isBackward(){return this._selection.isBackward}get editableElement(){return this._selection.editableElement}get _ranges(){return this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(t){return this._selection.isEqual(t)}isSimilar(t){return this._selection.isSimilar(t)}is(t){return"selection"===t||"documentSelection"==t||"view:selection"==t||"view:documentSelection"==t}_setTo(t,e,o){this._selection.setTo(t,e,o)}_setFocus(t,e){this._selection.setFocus(t,e)}}Co(rn,po);class sn{constructor(t){this.selection=new rn,this.roots=new Ao({idProperty:"rootName"}),this.stylesProcessor=t,this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("isComposing",!1),this._postFixers=new Set}getRoot(t="main"){return this.roots.get(t)}registerPostFixer(t){this._postFixers.add(t)}destroy(){this.roots.map(t=>t.destroy()),this.stopListening()}_callPostFixers(t){let e=!1;do{for(const o of this._postFixers)if(e=o(t),e)break}while(e)}}Co(sn,Wi);class an extends Mi{constructor(t,e,o,i){super(t,e,o,i),this.getFillerOffset=ln,this._priority=10,this._id=null,this._clonesGroup=null}get priority(){return this._priority}get id(){return this._id}getElementsWithSameId(){if(null===this.id)throw new go.b("attribute-element-get-elements-with-same-id-no-id: Cannot get elements with the same id for an attribute element without id.",this);return new Set(this._clonesGroup)}is(t,e=null){return e?e===this.name&&("attributeElement"===t||"view:attributeElement"===t||"element"===t||"view:element"===t):"attributeElement"===t||"view:attributeElement"===t||t===this.name||t==="view:"+this.name||"element"===t||"view:element"===t||"node"===t||"view:node"===t}isSimilar(t){return null!==this.id||null!==t.id?this.id===t.id:super.isSimilar(t)&&this.priority==t.priority}_clone(t){const e=super._clone(t);return e._priority=this._priority,e._id=this._id,e}}function ln(){if(cn(this))return null;let t=this.parent;for(;t&&t.is("attributeElement");){if(cn(t)>1)return null;t=t.parent}return!t||cn(t)>1?null:this.childCount}function cn(t){return Array.from(t.getChildren()).filter(t=>!t.is("uiElement")).length}an.DEFAULT_PRIORITY=10;class dn extends Mi{constructor(t,e,o,i){super(t,e,o,i),this.getFillerOffset=hn}is(t,e=null){return e?e===this.name&&("emptyElement"===t||"view:emptyElement"===t||"element"===t||"view:element"===t):"emptyElement"===t||"view:emptyElement"===t||t===this.name||t==="view:"+this.name||"element"===t||"view:element"===t||"node"===t||"view:node"===t}_insertChild(t,e){if(e&&(e instanceof Mo||Array.from(e).length>0))throw new go.b("view-emptyelement-cannot-add: Cannot add child nodes to EmptyElement instance.",[this,e])}}function hn(){return null}const un=navigator.userAgent.toLowerCase();var gn={isMac:function(t){return t.indexOf("macintosh")>-1}(un),isGecko:function(t){return!!t.match(/gecko\/\d+/)}(un),isSafari:function(t){return t.indexOf(" applewebkit/")>-1&&-1===t.indexOf("chrome")}(un),isAndroid:function(t){return t.indexOf("android")>-1}(un),features:{isRegExpUnicodePropertySupported:function(){let t=!1;try{t=0==="ć".search(new RegExp("[\\p{L}]","u"))}catch(t){}return t}()}};const mn={"⌘":"ctrl","⇧":"shift","⌥":"alt"},fn={ctrl:"⌘",shift:"⇧",alt:"⌥"},pn=function(){const t={arrowleft:37,arrowup:38,arrowright:39,arrowdown:40,backspace:8,delete:46,enter:13,space:32,esc:27,tab:9,ctrl:1114112,cmd:1114112,shift:2228224,alt:4456448};for(let e=65;e<=90;e++){const o=String.fromCharCode(e);t[o.toLowerCase()]=e}for(let e=48;e<=57;e++)t[e-48]=e;for(let e=112;e<=123;e++)t["f"+(e-111)]=e;return t}();function bn(t){let e;if("string"==typeof t){if(e=pn[t.toLowerCase()],!e)throw new go.b("keyboard-unknown-key: Unknown key name.",null,{key:t})}else e=t.keyCode+(t.altKey?pn.alt:0)+(t.ctrlKey?pn.ctrl:0)+(t.shiftKey?pn.shift:0);return e}function wn(t){return"string"==typeof t&&(t=_n(t)),t.map(t=>"string"==typeof t?bn(t):t).reduce((t,e)=>e+t,0)}function kn(t){return gn.isMac?_n(t).map(t=>fn[t.toLowerCase()]||t).reduce((t,e)=>t.slice(-1)in mn?t+e:t+"+"+e):t}function _n(t){return t.split(/\s*\+\s*/)}class vn extends Mi{constructor(t,e,o,i){super(t,e,o,i),this.getFillerOffset=xn}is(t,e=null){return e?e===this.name&&("uiElement"===t||"view:uiElement"===t||"element"===t||"view:element"===t):"uiElement"===t||"view:uiElement"===t||t===this.name||t==="view:"+this.name||"element"===t||"view:element"===t||"node"===t||"view:node"===t}_insertChild(t,e){if(e&&(e instanceof Mo||Array.from(e).length>0))throw new go.b("view-uielement-cannot-add: Cannot add child nodes to UIElement instance.",this)}render(t){return this.toDomElement(t)}toDomElement(t){const e=t.createElement(this.name);for(const t of this.getAttributeKeys())e.setAttribute(t,this.getAttribute(t));return e}}function yn(t){t.document.on("keydown",(e,o)=>function(t,e,o){if(e.keyCode==pn.arrowright){const t=e.domTarget.ownerDocument.defaultView.getSelection(),i=1==t.rangeCount&&t.getRangeAt(0).collapsed;if(i||e.shiftKey){const e=t.focusNode,n=t.focusOffset,r=o.domPositionToView(e,n);if(null===r)return;let s=!1;const a=r.getLastMatchingPosition(t=>(t.item.is("uiElement")&&(s=!0),!(!t.item.is("uiElement")&&!t.item.is("attributeElement"))));if(s){const e=o.viewPositionToDom(a);i?t.collapse(e.parent,e.offset):t.extend(e.parent,e.offset)}}}}(0,o,t.domConverter))}function xn(){return null}class Cn{constructor(t,e){this.document=t,this._children=[],e&&this._insertChild(0,e)}[Symbol.iterator](){return this._children[Symbol.iterator]()}get childCount(){return this._children.length}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"===t||"view:documentFragment"===t}_appendChild(t){return this._insertChild(this.childCount,t)}getChild(t){return this._children[t]}getChildIndex(t){return this._children.indexOf(t)}getChildren(){return this._children[Symbol.iterator]()}_insertChild(t,e){this._fireChange("children",this);let o=0;const i=function(t,e){if("string"==typeof e)return[new No(t,e)];xo(e)||(e=[e]);return Array.from(e).map(e=>"string"==typeof e?new No(t,e):e instanceof Bo?new No(t,e.data):e)}(this.document,e);for(const e of i)null!==e.parent&&e._remove(),e.parent=this,this._children.splice(t,0,e),t++,o++;return o}_removeChildren(t,e=1){this._fireChange("children",this);for(let o=t;o<t+e;o++)this._children[o].parent=null;return this._children.splice(t,e)}_fireChange(t,e){this.fire("change:"+t,e)}}Co(Cn,po);class An{constructor(t){this.document=t,this._cloneGroups=new Map}setSelection(t,e,o){this.document.selection._setTo(t,e,o)}setSelectionFocus(t,e){this.document.selection._setFocus(t,e)}createText(t){return new No(this.document,t)}createAttributeElement(t,e,o={}){const i=new an(this.document,t,e);return o.priority&&(i._priority=o.priority),o.id&&(i._id=o.id),i}createContainerElement(t,e){return new Bi(this.document,t,e)}createEditableElement(t,e){const o=new Ji(this.document,t,e);return o._document=this.document,o}createEmptyElement(t,e){return new dn(this.document,t,e)}createUIElement(t,e,o){const i=new vn(this.document,t,e);return o&&(i.render=o),i}setAttribute(t,e,o){o._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,o){y(t)&&void 0===o&&(o=e),o._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,o){o._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}breakAttributes(t){return t instanceof Zi?this._breakAttributes(t):this._breakAttributesRange(t)}breakContainer(t){const e=t.parent;if(!e.is("containerElement"))throw new go.b("view-writer-break-non-container-element: Trying to break an element which is not a container element.",this.document);if(!e.parent)throw new go.b("view-writer-break-root: Trying to break root element.",this.document);if(t.isAtStart)return Zi._createBefore(e);if(!t.isAtEnd){const o=e._clone(!1);this.insert(Zi._createAfter(e),o);const i=new tn(t,Zi._createAt(e,"end")),n=new Zi(o,0);this.move(i,n)}return Zi._createAfter(e)}mergeAttributes(t){const e=t.offset,o=t.parent;if(o.is("text"))return t;if(o.is("attributeElement")&&0===o.childCount){const t=o.parent,e=o.index;return o._remove(),this._removeFromClonedElementsGroup(o),this.mergeAttributes(new Zi(t,e))}const i=o.getChild(e-1),n=o.getChild(e);if(!i||!n)return t;if(i.is("text")&&n.is("text"))return Rn(i,n);if(i.is("attributeElement")&&n.is("attributeElement")&&i.isSimilar(n)){const t=i.childCount;return i._appendChild(n.getChildren()),n._remove(),this._removeFromClonedElementsGroup(n),this.mergeAttributes(new Zi(i,t))}return t}mergeContainers(t){const e=t.nodeBefore,o=t.nodeAfter;if(!(e&&o&&e.is("containerElement")&&o.is("containerElement")))throw new go.b("view-writer-merge-containers-invalid-position: Element before and after given position cannot be merged.",this.document);const i=e.getChild(e.childCount-1),n=i instanceof No?Zi._createAt(i,"end"):Zi._createAt(e,"end");return this.move(tn._createIn(o),Zi._createAt(e,"end")),this.remove(tn._createOn(o)),n}insert(t,e){(function t(e,o){for(const i of e){if(!In.some(t=>i instanceof t))throw new go.b("view-writer-insert-invalid-node",o);i.is("text")||t(i.getChildren(),o)}})(e=xo(e)?[...e]:[e],this.document);const o=Tn(t);if(!o)throw new go.b("view-writer-invalid-position-container",this.document);const i=this._breakAttributes(t,!0),n=o._insertChild(i.offset,e);for(const t of e)this._addToClonedElementsGroup(t);const r=i.getShiftedBy(n),s=this.mergeAttributes(i);if(0===n)return new tn(s,s);{s.isEqual(i)||r.offset--;const t=this.mergeAttributes(r);return new tn(s,t)}}remove(t){const e=t instanceof tn?t:tn._createOn(t);if(On(e,this.document),e.isCollapsed)return new Cn(this.document);const{start:o,end:i}=this._breakAttributesRange(e,!0),n=o.parent,r=i.offset-o.offset,s=n._removeChildren(o.offset,r);for(const t of s)this._removeFromClonedElementsGroup(t);const a=this.mergeAttributes(o);return e.start=a,e.end=a.clone(),new Cn(this.document,s)}clear(t,e){On(t,this.document);const o=t.getWalker({direction:"backward",ignoreElementEnd:!0});for(const i of o){const o=i.item;let n;if(o.is("element")&&e.isSimilar(o))n=tn._createOn(o);else if(!i.nextPosition.isAfter(t.start)&&o.is("textProxy")){const t=o.getAncestors().find(t=>t.is("element")&&e.isSimilar(t));t&&(n=tn._createIn(t))}n&&(n.end.isAfter(t.end)&&(n.end=t.end),n.start.isBefore(t.start)&&(n.start=t.start),this.remove(n))}}move(t,e){let o;if(e.isAfter(t.end)){const i=(e=this._breakAttributes(e,!0)).parent,n=i.childCount;t=this._breakAttributesRange(t,!0),o=this.remove(t),e.offset+=i.childCount-n}else o=this.remove(t);return this.insert(e,o)}wrap(t,e){if(!(e instanceof an))throw new go.b("view-writer-wrap-invalid-attribute",this.document);if(On(t,this.document),t.isCollapsed){let i=t.start;i.parent.is("element")&&(o=i.parent,!Array.from(o.getChildren()).some(t=>!t.is("uiElement")))&&(i=i.getLastMatchingPosition(t=>t.item.is("uiElement"))),i=this._wrapPosition(i,e);const n=this.document.selection;return n.isCollapsed&&n.getFirstPosition().isEqual(t.start)&&this.setSelection(i),new tn(i)}return this._wrapRange(t,e);var o}unwrap(t,e){if(!(e instanceof an))throw new go.b("view-writer-unwrap-invalid-attribute",this.document);if(On(t,this.document),t.isCollapsed)return t;const{start:o,end:i}=this._breakAttributesRange(t,!0),n=o.parent,r=this._unwrapChildren(n,o.offset,i.offset,e),s=this.mergeAttributes(r.start);s.isEqual(r.start)||r.end.offset--;const a=this.mergeAttributes(r.end);return new tn(s,a)}rename(t,e){const o=new Bi(this.document,t,e.getAttributes());return this.insert(Zi._createAfter(e),o),this.move(tn._createIn(e),Zi._createAt(o,0)),this.remove(tn._createOn(e)),o}clearClonedElementsGroup(t){this._cloneGroups.delete(t)}createPositionAt(t,e){return Zi._createAt(t,e)}createPositionAfter(t){return Zi._createAfter(t)}createPositionBefore(t){return Zi._createBefore(t)}createRange(t,e){return new tn(t,e)}createRangeOn(t){return tn._createOn(t)}createRangeIn(t){return tn._createIn(t)}createSelection(t,e,o){return new nn(t,e,o)}_wrapChildren(t,e,o,i){let n=e;const r=[];for(;n<o;){const e=t.getChild(n),o=e.is("text"),s=e.is("attributeElement"),a=e.is("emptyElement"),l=e.is("uiElement");if(s&&this._wrapAttributeElement(i,e))r.push(new Zi(t,n));else if(o||a||l||s&&Pn(i,e)){const o=i._clone();e._remove(),o._appendChild(e),t._insertChild(n,o),this._addToClonedElementsGroup(o),r.push(new Zi(t,n))}else s&&this._wrapChildren(e,0,e.childCount,i);n++}let s=0;for(const t of r){if(t.offset-=s,t.offset==e)continue;this.mergeAttributes(t).isEqual(t)||(s++,o--)}return tn._createFromParentsAndOffsets(t,e,t,o)}_unwrapChildren(t,e,o,i){let n=e;const r=[];for(;n<o;){const e=t.getChild(n);if(e.is("attributeElement"))if(e.isSimilar(i)){const i=e.getChildren(),s=e.childCount;e._remove(),t._insertChild(n,i),this._removeFromClonedElementsGroup(e),r.push(new Zi(t,n),new Zi(t,n+s)),n+=s,o+=s-1}else this._unwrapAttributeElement(i,e)?(r.push(new Zi(t,n),new Zi(t,n+1)),n++):(this._unwrapChildren(e,0,e.childCount,i),n++);else n++}let s=0;for(const t of r){if(t.offset-=s,t.offset==e||t.offset==o)continue;this.mergeAttributes(t).isEqual(t)||(s++,o--)}return tn._createFromParentsAndOffsets(t,e,t,o)}_wrapRange(t,e){const{start:o,end:i}=this._breakAttributesRange(t,!0),n=o.parent,r=this._wrapChildren(n,o.offset,i.offset,e),s=this.mergeAttributes(r.start);s.isEqual(r.start)||r.end.offset--;const a=this.mergeAttributes(r.end);return new tn(s,a)}_wrapPosition(t,e){if(e.isSimilar(t.parent))return Sn(t.clone());t.parent.is("text")&&(t=En(t));const o=this.createAttributeElement();o._priority=Number.POSITIVE_INFINITY,o.isSimilar=()=>!1,t.parent._insertChild(t.offset,o);const i=new tn(t,t.getShiftedBy(1));this.wrap(i,e);const n=new Zi(o.parent,o.index);o._remove();const r=n.nodeBefore,s=n.nodeAfter;return r instanceof No&&s instanceof No?Rn(r,s):Sn(n)}_wrapAttributeElement(t,e){if(!Mn(t,e))return!1;if(t.name!==e.name||t.priority!==e.priority)return!1;for(const o of t.getAttributeKeys())if("class"!==o&&"style"!==o&&e.hasAttribute(o)&&e.getAttribute(o)!==t.getAttribute(o))return!1;for(const o of t.getStyleNames())if(e.hasStyle(o)&&e.getStyle(o)!==t.getStyle(o))return!1;for(const o of t.getAttributeKeys())"class"!==o&&"style"!==o&&(e.hasAttribute(o)||this.setAttribute(o,t.getAttribute(o),e));for(const o of t.getStyleNames())e.hasStyle(o)||this.setStyle(o,t.getStyle(o),e);for(const o of t.getClassNames())e.hasClass(o)||this.addClass(o,e);return!0}_unwrapAttributeElement(t,e){if(!Mn(t,e))return!1;if(t.name!==e.name||t.priority!==e.priority)return!1;for(const o of t.getAttributeKeys())if("class"!==o&&"style"!==o&&(!e.hasAttribute(o)||e.getAttribute(o)!==t.getAttribute(o)))return!1;if(!e.hasClass(...t.getClassNames()))return!1;for(const o of t.getStyleNames())if(!e.hasStyle(o)||e.getStyle(o)!==t.getStyle(o))return!1;for(const o of t.getAttributeKeys())"class"!==o&&"style"!==o&&this.removeAttribute(o,e);return this.removeClass(Array.from(t.getClassNames()),e),this.removeStyle(Array.from(t.getStyleNames()),e),!0}_breakAttributesRange(t,e=!1){const o=t.start,i=t.end;if(On(t,this.document),t.isCollapsed){const o=this._breakAttributes(t.start,e);return new tn(o,o)}const n=this._breakAttributes(i,e),r=n.parent.childCount,s=this._breakAttributes(o,e);return n.offset+=n.parent.childCount-r,new tn(s,n)}_breakAttributes(t,e=!1){const o=t.offset,i=t.parent;if(t.parent.is("emptyElement"))throw new go.b("view-writer-cannot-break-empty-element",this.document);if(t.parent.is("uiElement"))throw new go.b("view-writer-cannot-break-ui-element",this.document);if(!e&&i.is("text")&&Vn(i.parent))return t.clone();if(Vn(i))return t.clone();if(i.is("text"))return this._breakAttributes(En(t),e);if(o==i.childCount){const t=new Zi(i.parent,i.index+1);return this._breakAttributes(t,e)}if(0===o){const t=new Zi(i.parent,i.index);return this._breakAttributes(t,e)}{const t=i.index+1,n=i._clone();i.parent._insertChild(t,n),this._addToClonedElementsGroup(n);const r=i.childCount-o,s=i._removeChildren(o,r);n._appendChild(s);const a=new Zi(i.parent,t);return this._breakAttributes(a,e)}}_addToClonedElementsGroup(t){if(!t.root.is("rootElement"))return;if(t.is("element"))for(const e of t.getChildren())this._addToClonedElementsGroup(e);const e=t.id;if(!e)return;let o=this._cloneGroups.get(e);o||(o=new Set,this._cloneGroups.set(e,o)),o.add(t),t._clonesGroup=o}_removeFromClonedElementsGroup(t){if(t.is("element"))for(const e of t.getChildren())this._removeFromClonedElementsGroup(e);const 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this.markedTexts)!this.markedChildren.has(e.parent)&&this.domConverter.mapViewToDom(e.parent)&&this._updateText(e,{inlineFillerPosition:t});if(t){const e=this.domConverter.viewPositionToDom(t),o=e.parent.ownerDocument;Dn(e.parent)?this._inlineFiller=e.parent:this._inlineFiller=Qn(o,e.parent,e.offset)}else this._inlineFiller=null;this._updateSelection(),this._updateFocus(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_updateChildrenMappings(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const o=this.domConverter.mapViewToDom(t).childNodes,i=Array.from(this.domConverter.viewChildrenToDom(t,e.ownerDocument,{withChildren:!1})),n=this._diffNodeLists(o,i),r=this._findReplaceActions(n,o,i);if(-1!==r.indexOf("replace")){const e={equal:0,insert:0,delete:0};for(const n of r)if("replace"===n){const n=e.equal+e.insert,r=e.equal+e.delete,s=t.getChild(n);s&&!s.is("uiElement")&&this._updateElementMappings(s,o[r]),Kn(i[n]),e.equal++}else e[n]++}}_updateElementMappings(t,e){this.domConverter.unbindDomElement(e),this.domConverter.bindElements(e,t),this.markedChildren.add(t),this.markedAttributes.add(t)}_getInlineFillerPosition(){const t=this.selection.getFirstPosition();return t.parent.is("text")?Zi._createBefore(this.selection.getFirstPosition().parent):t}_isSelectionInInlineFiller(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=this.domConverter.viewPositionToDom(t);return!!(e&&Nn(e.parent)&&Dn(e.parent))}_removeInlineFiller(){const t=this._inlineFiller;if(!Dn(t))throw new go.b("view-renderer-filler-was-lost: The inline filler node was lost.",this);Ln(t)?t.parentNode.removeChild(t):t.data=t.data.substr(7),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=t.parent,o=t.offset;if(!this.domConverter.mapViewToDom(e.root))return!1;if(!e.is("element"))return!1;if(!function(t){if("false"==t.getAttribute("contenteditable"))return!1;const e=t.findAncestor(t=>t.hasAttribute("contenteditable"));return!e||"true"==e.getAttribute("contenteditable")}(e))return!1;if(o===e.getFillerOffset())return!1;const i=t.nodeBefore,n=t.nodeAfter;return!(i instanceof No||n instanceof No)}_updateText(t,e){const o=this.domConverter.findCorrespondingDomText(t),i=this.domConverter.viewToDom(t,o.ownerDocument),n=o.data;let r=i.data;const s=e.inlineFillerPosition;if(s&&s.parent==t.parent&&s.offset==t.index&&(r=Fn+r),n!=r){const t=Wn(n,r);for(const e of t)"insert"===e.type?o.insertData(e.index,e.values.join("")):o.deleteData(e.index,e.howMany)}}_updateAttrs(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const o=Array.from(e.attributes).map(t=>t.name),i=t.getAttributeKeys();for(const o of 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o}(t,this._fakeSelectionContainer),e,Zn.bind(null,this.domConverter))}_findReplaceActions(t,e,o){if(-1===t.indexOf("insert")||-1===t.indexOf("delete"))return t;let i=[],n=[],r=[];const s={equal:0,insert:0,delete:0};for(const a of t)"insert"===a?r.push(o[s.equal+s.insert]):"delete"===a?n.push(e[s.equal+s.delete]):(i=i.concat($n(n,r,Xn).map(t=>"equal"===t?"replace":t)),i.push("equal"),n=[],r=[]),s[a]++;return i.concat($n(n,r,Xn).map(t=>"equal"===t?"replace":t))}_markDescendantTextToSync(t){if(t)if(t.is("text"))this.markedTexts.add(t);else if(t.is("element"))for(const e of t.getChildren())this._markDescendantTextToSync(e)}_updateSelection(){if(0===this.selection.rangeCount)return this._removeDomSelection(),void this._removeFakeSelection();const t=this.domConverter.mapViewToDom(this.selection.editableElement);this.isFocused&&t&&(this.selection.isFake?this._updateFakeSelection(t):(this._removeFakeSelection(),this._updateDomSelection(t)))}_updateFakeSelection(t){const e=t.ownerDocument;this._fakeSelectionContainer||(this._fakeSelectionContainer=function(t){const e=t.createElement("div");return Object.assign(e.style,{position:"fixed",top:0,left:"-9999px",width:"42px"}),e.textContent=" ",e}(e));const o=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(o,this.selection),!this._fakeSelectionNeedsUpdate(t))return;o.parentElement&&o.parentElement==t||t.appendChild(o),o.textContent=this.selection.fakeSelectionLabel||" ";const i=e.getSelection(),n=e.createRange();i.removeAllRanges(),n.selectNodeContents(o),i.addRange(n)}_updateDomSelection(t){const e=t.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(e))return;const o=this.domConverter.viewPositionToDom(this.selection.anchor),i=this.domConverter.viewPositionToDom(this.selection.focus);t.focus(),e.collapse(o.parent,o.offset),e.extend(i.parent,i.offset),gn.isGecko&&function(t,e){const o=t.parent;if(o.nodeType!=Node.ELEMENT_NODE||t.offset!=o.childNodes.length-1)return;const i=o.childNodes[t.offset];i&&"BR"==i.tagName&&e.addRange(e.getRangeAt(0))}(i,e)}_domSelectionNeedsUpdate(t){if(!this.domConverter.isDomSelectionCorrect(t))return!0;const e=t&&this.domConverter.domSelectionToView(t);return(!e||!this.selection.isEqual(e))&&!(!this.selection.isCollapsed&&this.selection.isSimilar(e))}_fakeSelectionNeedsUpdate(t){const e=this._fakeSelectionContainer,o=t.ownerDocument.getSelection();return!e||e.parentElement!==t||(o.anchorNode!==e&&!e.contains(o.anchorNode)||e.textContent!==this.selection.fakeSelectionLabel)}_removeDomSelection(){for(const t of this.domDocuments){if(t.getSelection().rangeCount){const e=t.activeElement,o=this.domConverter.mapDomToView(e);e&&o&&t.getSelection().removeAllRanges()}}}_removeFakeSelection(){const t=this._fakeSelectionContainer;t&&t.remove()}_updateFocus(){if(this.isFocused){const t=this.selection.editableElement;t&&this.domConverter.focus(t)}}}function Qn(t,e,o){const i=e instanceof Array?e:e.childNodes,n=i[o];if(Nn(n))return n.data=Fn+n.data,n;{const n=t.createTextNode(Fn);return Array.isArray(e)?i.splice(o,0,n):Gn(e,o,n),n}}function Xn(t,e){return Jn(t)&&Jn(e)&&!Nn(t)&&!Nn(e)&&t.tagName.toLowerCase()===e.tagName.toLowerCase()}function Zn(t,e,o){return e===o||(Nn(e)&&Nn(o)?e.data===o.data:!(!t.isBlockFiller(e)||!t.isBlockFiller(o)))}Co(Yn,Wi);var tr={window:window,document:document};function er(t){let e=0;for(;t.previousSibling;)t=t.previousSibling,e++;return e}function or(t){const e=[];for(;t&&t.nodeType!=Node.DOCUMENT_NODE;)e.unshift(t),t=t.parentNode;return e}const ir=zn(document);class nr{constructor(t,e={}){this.document=t,this.blockFillerMode=e.blockFillerMode||"br",this.preElements=["pre"],this.blockElements=["p","div","h1","h2","h3","h4","h5","h6","li","dd","dt","figcaption"],this._blockFiller="br"==this.blockFillerMode?zn:Bn,this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap}bindFakeSelection(t,e){this._fakeSelectionMapping.set(t,new nn(e))}fakeSelectionToView(t){return this._fakeSelectionMapping.get(t)}bindElements(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}unbindDomElement(t){const e=this._domToViewMapping.get(t);if(e){this._domToViewMapping.delete(t),this._viewToDomMapping.delete(e);for(const e of t.childNodes)this.unbindDomElement(e)}}bindDocumentFragments(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}viewToDom(t,e,o={}){if(t.is("text")){const o=this._processDataFromViewText(t);return e.createTextNode(o)}{if(this.mapViewToDom(t))return this.mapViewToDom(t);let i;if(t.is("documentFragment"))i=e.createDocumentFragment(),o.bind&&this.bindDocumentFragments(i,t);else{if(t.is("uiElement"))return i=t.render(e),o.bind&&this.bindElements(i,t),i;i=t.hasAttribute("xmlns")?e.createElementNS(t.getAttribute("xmlns"),t.name):e.createElement(t.name),o.bind&&this.bindElements(i,t);for(const e of t.getAttributeKeys())i.setAttribute(e,t.getAttribute(e))}if(o.withChildren||void 0===o.withChildren)for(const n of this.viewChildrenToDom(t,e,o))i.appendChild(n);return i}}*viewChildrenToDom(t,e,o={}){const i=t.getFillerOffset&&t.getFillerOffset();let n=0;for(const r of t.getChildren())i===n&&(yield this._blockFiller(e)),yield this.viewToDom(r,e,o),n++;i===n&&(yield this._blockFiller(e))}viewRangeToDom(t){const e=this.viewPositionToDom(t.start),o=this.viewPositionToDom(t.end),i=document.createRange();return i.setStart(e.parent,e.offset),i.setEnd(o.parent,o.offset),i}viewPositionToDom(t){const e=t.parent;if(e.is("text")){const o=this.findCorrespondingDomText(e);if(!o)return null;let i=t.offset;return Dn(o)&&(i+=7),{parent:o,offset:i}}{let o,i,n;if(0===t.offset){if(o=this.mapViewToDom(e),!o)return null;n=o.childNodes[0]}else{const e=t.nodeBefore;if(i=e.is("text")?this.findCorrespondingDomText(e):this.mapViewToDom(t.nodeBefore),!i)return null;o=i.parentNode,n=i.nextSibling}if(Nn(n)&&Dn(n))return{parent:n,offset:7};return{parent:o,offset:i?er(i)+1:0}}}domToView(t,e={}){if(this.isBlockFiller(t,this.blockFillerMode))return null;const o=this.getParentUIElement(t,this._domToViewMapping);if(o)return o;if(Nn(t)){if(Ln(t))return null;{const e=this._processDataFromDomText(t);return""===e?null:new No(this.document,e)}}if(this.isComment(t))return null;{if(this.mapDomToView(t))return this.mapDomToView(t);let o;if(this.isDocumentFragment(t))o=new Cn(this.document),e.bind&&this.bindDocumentFragments(t,o);else{const i=e.keepOriginalCase?t.tagName:t.tagName.toLowerCase();o=new Mi(this.document,i),e.bind&&this.bindElements(t,o);const n=t.attributes;for(let t=n.length-1;t>=0;t--)o._setAttribute(n[t].name,n[t].value)}if(e.withChildren||void 0===e.withChildren)for(const i of this.domChildrenToView(t,e))o._appendChild(i);return o}}*domChildrenToView(t,e={}){for(let o=0;o<t.childNodes.length;o++){const i=t.childNodes[o],n=this.domToView(i,e);null!==n&&(yield n)}}domSelectionToView(t){if(1===t.rangeCount){let e=t.getRangeAt(0).startContainer;Nn(e)&&(e=e.parentNode);const o=this.fakeSelectionToView(e);if(o)return o}const e=this.isDomSelectionBackward(t),o=[];for(let e=0;e<t.rangeCount;e++){const i=t.getRangeAt(e),n=this.domRangeToView(i);n&&o.push(n)}return new nn(o,{backward:e})}domRangeToView(t){const e=this.domPositionToView(t.startContainer,t.startOffset),o=this.domPositionToView(t.endContainer,t.endOffset);return e&&o?new tn(e,o):null}domPositionToView(t,e){if(this.isBlockFiller(t,this.blockFillerMode))return this.domPositionToView(t.parentNode,er(t));const o=this.mapDomToView(t);if(o&&o.is("uiElement"))return Zi._createBefore(o);if(Nn(t)){if(Ln(t))return this.domPositionToView(t.parentNode,er(t));const o=this.findCorrespondingViewText(t);let i=e;return o?(Dn(t)&&(i-=7,i=i<0?0:i),new Zi(o,i)):null}if(0===e){const e=this.mapDomToView(t);if(e)return new Zi(e,0)}else{const o=t.childNodes[e-1],i=Nn(o)?this.findCorrespondingViewText(o):this.mapDomToView(o);if(i&&i.parent)return new Zi(i.parent,i.index+1)}return null}mapDomToView(t){return this.getParentUIElement(t)||this._domToViewMapping.get(t)}findCorrespondingViewText(t){if(Ln(t))return null;const e=this.getParentUIElement(t);if(e)return e;const o=t.previousSibling;if(o){if(!this.isElement(o))return null;const t=this.mapDomToView(o);if(t){return t.nextSibling instanceof No?t.nextSibling:null}}else{const e=this.mapDomToView(t.parentNode);if(e){const t=e.getChild(0);return t instanceof No?t:null}}return null}mapViewToDom(t){return this._viewToDomMapping.get(t)}findCorrespondingDomText(t){const e=t.previousSibling;return e&&this.mapViewToDom(e)?this.mapViewToDom(e).nextSibling:!e&&t.parent&&this.mapViewToDom(t.parent)?this.mapViewToDom(t.parent).childNodes[0]:null}focus(t){const e=this.mapViewToDom(t);if(e&&e.ownerDocument.activeElement!==e){const{scrollX:t,scrollY:o}=tr.window,i=[];sr(e,t=>{const{scrollLeft:e,scrollTop:o}=t;i.push([e,o])}),e.focus(),sr(e,t=>{const[e,o]=i.shift();t.scrollLeft=e,t.scrollTop=o}),tr.window.scrollTo(t,o)}}isElement(t){return t&&t.nodeType==Node.ELEMENT_NODE}isDocumentFragment(t){return t&&t.nodeType==Node.DOCUMENT_FRAGMENT_NODE}isComment(t){return t&&t.nodeType==Node.COMMENT_NODE}isBlockFiller(t){return"br"==this.blockFillerMode?t.isEqualNode(ir):!("BR"!==t.tagName||!ar(t,this.blockElements)||1!==t.parentNode.childNodes.length)||function(t,e){return Nn(t)&&" "==t.data&&ar(t,e)&&1===t.parentNode.childNodes.length}(t,this.blockElements)}isDomSelectionBackward(t){if(t.isCollapsed)return!1;const e=document.createRange();e.setStart(t.anchorNode,t.anchorOffset),e.setEnd(t.focusNode,t.focusOffset);const o=e.collapsed;return e.detach(),o}getParentUIElement(t){const e=or(t);for(e.pop();e.length;){const t=e.pop(),o=this._domToViewMapping.get(t);if(o&&o.is("uiElement"))return o}return null}isDomSelectionCorrect(t){return this._isDomSelectionPositionCorrect(t.anchorNode,t.anchorOffset)&&this._isDomSelectionPositionCorrect(t.focusNode,t.focusOffset)}_isDomSelectionPositionCorrect(t,e){if(Nn(t)&&Dn(t)&&e<7)return!1;if(this.isElement(t)&&Dn(t.childNodes[e]))return!1;const o=this.mapDomToView(t);return!o||!o.is("uiElement")}_processDataFromViewText(t){let e=t.data;if(t.getAncestors().some(t=>this.preElements.includes(t.name)))return e;if(" "==e.charAt(0)){const o=this._getTouchingViewTextNode(t,!1);!(o&&this._nodeEndsWithSpace(o))&&o||(e=" "+e.substr(1))}if(" "==e.charAt(e.length-1)){const o=this._getTouchingViewTextNode(t,!0);" "!=e.charAt(e.length-2)&&o&&" "!=o.data.charAt(0)||(e=e.substr(0,e.length-1)+" ")}return e.replace(/ {2}/g,"  ")}_nodeEndsWithSpace(t){if(t.getAncestors().some(t=>this.preElements.includes(t.name)))return!1;const e=this._processDataFromViewText(t);return" 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null}_getTouchingInlineDomNode(t,e){if(!t.parentNode)return null;const o=e?"nextNode":"previousNode",i=t.ownerDocument,n=or(t)[0],r=i.createTreeWalker(n,NodeFilter.SHOW_TEXT|NodeFilter.SHOW_ELEMENT,{acceptNode:t=>Nn(t)||"BR"==t.tagName?NodeFilter.FILTER_ACCEPT:NodeFilter.FILTER_SKIP});r.currentNode=t;const s=r[o]();if(null!==s){const e=function(t,e){const o=or(t),i=or(e);let n=0;for(;o[n]==i[n]&&o[n];)n++;return 0===n?null:o[n-1]}(t,s);if(e&&!rr(t,this.blockElements,e)&&!rr(s,this.blockElements,e))return s}return null}}function rr(t,e,o){let i=or(t);return o&&(i=i.slice(i.indexOf(o)+1)),i.some(t=>t.tagName&&e.includes(t.tagName.toLowerCase()))}function sr(t,e){for(;t&&t!=tr.document;)e(t),t=t.parentNode}function ar(t,e){const o=t.parentNode;return o&&o.tagName&&e.includes(o.tagName.toLowerCase())}function lr(t){const e=Object.prototype.toString.apply(t);return"[object Window]"==e||"[object global]"==e}var cr=Fi({},po,{listenTo(t,...e){if(Jn(t)||lr(t)){const 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c=s.get(t);if(c)return c==e;i|=2,s.set(t,e);var d=kr(a(t),a(e),i,n,r,s);return s.delete(t),d;case"[object Symbol]":if(xr)return xr.call(t)==xr.call(e)}return!1},Ar=Object.prototype.hasOwnProperty;var Tr=function(t,e,o,i,n,r){var s=1&o,a=_e(t),l=a.length;if(l!=_e(e).length&&!s)return!1;for(var c=l;c--;){var d=a[c];if(!(s?d in e:Ar.call(e,d)))return!1}var h=r.get(t);if(h&&r.get(e))return h==e;var u=!0;r.set(t,e),r.set(e,t);for(var g=s;++c<l;){var m=t[d=a[c]],f=e[d];if(i)var p=s?i(f,m,d,e,t,r):i(m,f,d,t,e,r);if(!(void 0===p?m===f||n(m,f,o,i,r):p)){u=!1;break}g||(g="constructor"==d)}if(u&&!g){var b=t.constructor,w=e.constructor;b==w||!("constructor"in t)||!("constructor"in e)||"function"==typeof b&&b instanceof b&&"function"==typeof w&&w instanceof w||(u=!1)}return r.delete(t),r.delete(e),u},Pr=Object.prototype.hasOwnProperty;var Sr=function(t,e,o,i,n,r){var s=Bt(t),a=Bt(e),l=s?"[object Array]":Ve(t),c=a?"[object Array]":Ve(e),d="[object Object]"==(l="[object Arguments]"==l?"[object 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window.MutationObserver(this._onMutations.bind(this))}flush(){this._onMutations(this._mutationObserver.takeRecords())}observe(t){this._domElements.push(t),this.isEnabled&&this._mutationObserver.observe(t,this._config)}enable(){super.enable();for(const t of this._domElements)this._mutationObserver.observe(t,this._config)}disable(){super.disable(),this._mutationObserver.disconnect()}destroy(){super.destroy(),this._mutationObserver.disconnect()}_onMutations(t){if(0===t.length)return;const e=this.domConverter,o=new Map,i=new Set;for(const o of t)if("childList"===o.type){const t=e.mapDomToView(o.target);if(t&&t.is("uiElement"))continue;t&&!this._isBogusBrMutation(o)&&i.add(t)}for(const n of t){const t=e.mapDomToView(n.target);if((!t||!t.is("uiElement"))&&"characterData"===n.type){const t=e.findCorrespondingViewText(n.target);t&&!i.has(t.parent)?o.set(t,{type:"text",oldText:t.data,newText:jn(n.target),node:t}):!t&&Dn(n.target)&&i.add(e.mapDomToView(n.target.parentNode))}}const n=[];for(const t of o.values())this.renderer.markToSync("text",t.node),n.push(t);for(const t of i){const o=e.mapViewToDom(t),i=Array.from(t.getChildren()),r=Array.from(e.domChildrenToView(o,{withChildren:!1}));Rr(i,r,a)||(this.renderer.markToSync("children",t),n.push({type:"children",oldChildren:i,newChildren:r,node:t}))}const r=t[0].target.ownerDocument.getSelection();let s=null;if(r&&r.anchorNode){const t=e.domPositionToView(r.anchorNode,r.anchorOffset),o=e.domPositionToView(r.focusNode,r.focusOffset);t&&o&&(s=new nn(t),s.setFocus(o))}function a(t,e){if(!Array.isArray(t))return t===e||!(!t.is("text")||!e.is("text"))&&t.data===e.data}n.length&&(this.document.fire("mutations",n,s),this.view.forceRender())}_isBogusBrMutation(t){let e=null;return null===t.nextSibling&&0===t.removedNodes.length&&1==t.addedNodes.length&&(e=this.domConverter.domToView(t.addedNodes[0],{withChildren:!1})),e&&e.is("element","br")}}class Vr{constructor(t,e,o){this.view=t,this.document=t.document,this.domEvent=e,this.domTarget=e.target,Fi(this,o)}get target(){return this.view.domConverter.mapDomToView(this.domTarget)}preventDefault(){this.domEvent.preventDefault()}stopPropagation(){this.domEvent.stopPropagation()}}class Or extends ur{constructor(t){super(t),this.useCapture=!1}observe(t){("string"==typeof this.domEventType?[this.domEventType]:this.domEventType).forEach(e=>{this.listenTo(t,e,(t,e)=>{this.isEnabled&&this.onDomEvent(e)},{useCapture:this.useCapture})})}fire(t,e,o){this.isEnabled&&this.document.fire(t,new Vr(this.view,e,o))}}class Mr extends Or{constructor(t){super(t),this.domEventType=["keydown","keyup"]}onDomEvent(t){this.fire(t.type,t,{keyCode:t.keyCode,altKey:t.altKey,ctrlKey:t.ctrlKey||t.metaKey,shiftKey:t.shiftKey,get keystroke(){return bn(this)}})}}var Nr=function(){return i.a.Date.now()},Br=/^\s+|\s+$/g,zr=/^[-+]0x[0-9a-f]+$/i,Fr=/^0b[01]+$/i,Dr=/^0o[0-7]+$/i,Lr=parseInt;var jr=function(t){if("number"==typeof t)return t;if(Lo(t))return NaN;if(z(t)){var e="function"==typeof t.valueOf?t.valueOf():t;t=z(e)?e+"":e}if("string"!=typeof t)return 0===t?t:+t;t=t.replace(Br,"");var o=Fr.test(t);return o||Dr.test(t)?Lr(t.slice(2),o?2:8):zr.test(t)?NaN:+t},Hr=Math.max,Wr=Math.min;var qr=function(t,e,o){var i,n,r,s,a,l,c=0,d=!1,h=!1,u=!0;if("function"!=typeof t)throw new TypeError("Expected a function");function g(e){var o=i,r=n;return i=n=void 0,c=e,s=t.apply(r,o)}function m(t){return c=t,a=setTimeout(p,e),d?g(t):s}function f(t){var o=t-l;return void 0===l||o>=e||o<0||h&&t-c>=r}function p(){var t=Nr();if(f(t))return b(t);a=setTimeout(p,function(t){var o=e-(t-l);return h?Wr(o,r-(t-c)):o}(t))}function b(t){return a=void 0,u&&i?g(t):(i=n=void 0,s)}function w(){var t=Nr(),o=f(t);if(i=arguments,n=this,l=t,o){if(void 0===a)return m(l);if(h)return clearTimeout(a),a=setTimeout(p,e),g(l)}return void 0===a&&(a=setTimeout(p,e)),s}return 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i={oldSelection:e,newSelection:o,domSelection:null};this.document.fire("selectionChange",i),this._fireSelectionChangeDoneDebounced(i)}}class $r extends ur{constructor(t){super(t),this.mutationObserver=t.getObserver(Ir),this.selection=this.document.selection,this.domConverter=t.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=qr(t=>this.document.fire("selectionChangeDone",t),200),this._clearInfiniteLoopInterval=setInterval(()=>this._clearInfiniteLoop(),1e3),this._loopbackCounter=0}observe(t){const e=t.ownerDocument;this._documents.has(e)||(this.listenTo(e,"selectionchange",()=>{this._handleSelectionChange(e)}),this._documents.add(e))}destroy(){super.destroy(),clearInterval(this._clearInfiniteLoopInterval),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionChange(t){if(!this.isEnabled)return;this.mutationObserver.flush();const e=t.defaultView.getSelection(),o=this.domConverter.domSelectionToView(e);if(0!=o.rangeCount){if(this.view.hasDomSelection=!0,!(this.selection.isEqual(o)&&this.domConverter.isDomSelectionCorrect(e)||++this._loopbackCounter>60))if(this.selection.isSimilar(o))this.view.forceRender();else{const t={oldSelection:this.selection,newSelection:o,domSelection:e};this.document.fire("selectionChange",t),this._fireSelectionChangeDoneDebounced(t)}}else this.view.hasDomSelection=!1}_clearInfiniteLoop(){this._loopbackCounter=0}}class Gr extends Or{constructor(t){super(t),this.domEventType=["focus","blur"],this.useCapture=!0;const e=this.document;e.on("focus",()=>{e.isFocused=!0,this._renderTimeoutId=setTimeout(()=>t.forceRender(),50)}),e.on("blur",(o,i)=>{const n=e.selection.editableElement;null!==n&&n!==i.target||(e.isFocused=!1,t.forceRender())})}onDomEvent(t){this.fire(t.type,t)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class Kr extends Or{constructor(t){super(t),this.domEventType=["compositionstart","compositionupdate","compositionend"];const e=this.document;e.on("compositionstart",()=>{e.isComposing=!0}),e.on("compositionend",()=>{e.isComposing=!1})}onDomEvent(t){this.fire(t.type,t)}}class Jr extends Or{constructor(t){super(t),this.domEventType=["beforeinput"]}onDomEvent(t){this.fire(t.type,t)}}function Yr(t){return"[object Range]"==Object.prototype.toString.apply(t)}function Qr(t){const e=t.ownerDocument.defaultView.getComputedStyle(t);return{top:parseInt(e.borderTopWidth,10),right:parseInt(e.borderRightWidth,10),bottom:parseInt(e.borderBottomWidth,10),left:parseInt(e.borderLeftWidth,10)}}const Xr=["top","right","bottom","left","width","height"];class Zr{constructor(t){const e=Yr(t);if(Object.defineProperty(this,"_source",{value:t._source||t,writable:!0,enumerable:!1}),io(t)||e)ts(this,e?Zr.getDomRangeRects(t)[0]:t.getBoundingClientRect());else if(lr(t)){const{innerWidth:e,innerHeight:o}=t;ts(this,{top:0,right:e,bottom:o,left:0,width:e,height:o})}else ts(this,t)}clone(){return new Zr(this)}moveTo(t,e){return this.top=e,this.right=t+this.width,this.bottom=e+this.height,this.left=t,this}moveBy(t,e){return this.top+=e,this.right+=t,this.left+=t,this.bottom+=e,this}getIntersection(t){const e={top:Math.max(this.top,t.top),right:Math.min(this.right,t.right),bottom:Math.min(this.bottom,t.bottom),left:Math.max(this.left,t.left)};return e.width=e.right-e.left,e.height=e.bottom-e.top,e.width<0||e.height<0?null:new Zr(e)}getIntersectionArea(t){const e=this.getIntersection(t);return e?e.getArea():0}getArea(){return this.width*this.height}getVisible(){const t=this._source;let e=this.clone();if(!es(t)){let o=t.parentNode||t.commonAncestorContainer;for(;o&&!es(o);){const t=new Zr(o),i=e.getIntersection(t);if(!i)return null;i.getArea()<e.getArea()&&(e=i),o=o.parentNode}}return e}isEqual(t){for(const e of Xr)if(this[e]!==t[e])return!1;return!0}contains(t){const e=this.getIntersection(t);return!(!e||!e.isEqual(t))}excludeScrollbarsAndBorders(){const t=this._source;let e,o,i;if(lr(t))e=t.innerWidth-t.document.documentElement.clientWidth,o=t.innerHeight-t.document.documentElement.clientHeight,i=t.getComputedStyle(t.document.documentElement).direction;else{const n=Qr(this._source);e=t.offsetWidth-t.clientWidth-n.left-n.right,o=t.offsetHeight-t.clientHeight-n.top-n.bottom,i=t.ownerDocument.defaultView.getComputedStyle(t).direction,this.left+=n.left,this.top+=n.top,this.right-=n.right,this.bottom-=n.bottom,this.width=this.right-this.left,this.height=this.bottom-this.top}return this.width-=e,"ltr"===i?this.right-=e:this.left+=e,this.height-=o,this.bottom-=o,this}static getDomRangeRects(t){const e=[],o=Array.from(t.getClientRects());if(o.length)for(const t of o)e.push(new Zr(t));else{let o=t.startContainer;Nn(o)&&(o=o.parentNode);const i=new Zr(o.getBoundingClientRect());i.right=i.left,i.width=0,e.push(i)}return e}}function ts(t,e){for(const o of Xr)t[o]=e[o]}function es(t){return!!io(t)&&t===t.ownerDocument.body}function os({target:t,viewportOffset:e=0}){const o=cs(t);let i=o,n=null;for(;i;){let r;r=ds(i==o?t:n),ns(r,()=>hs(t,i));const s=hs(t,i);if(is(i,s,e),i.parent!=i){if(n=i.frameElement,i=i.parent,!n)return}else i=null}}function is(t,e,o){const i=e.clone().moveBy(0,o),n=e.clone().moveBy(0,-o),r=new Zr(t).excludeScrollbarsAndBorders();if(![n,i].every(t=>r.contains(t))){let{scrollX:s,scrollY:a}=t;ss(n,r)?a-=r.top-e.top+o:rs(i,r)&&(a+=e.bottom-r.bottom+o),as(e,r)?s-=r.left-e.left+o:ls(e,r)&&(s+=e.right-r.right+o),t.scrollTo(s,a)}}function ns(t,e){const o=cs(t);let i,n;for(;t!=o.document.body;)n=e(),i=new Zr(t).excludeScrollbarsAndBorders(),i.contains(n)||(ss(n,i)?t.scrollTop-=i.top-n.top:rs(n,i)&&(t.scrollTop+=n.bottom-i.bottom),as(n,i)?t.scrollLeft-=i.left-n.left:ls(n,i)&&(t.scrollLeft+=n.right-i.right)),t=t.parentNode}function rs(t,e){return t.bottom>e.bottom}function ss(t,e){return t.top<e.top}function as(t,e){return t.left<e.left}function ls(t,e){return t.right>e.right}function cs(t){return Yr(t)?t.startContainer.ownerDocument.defaultView:t.ownerDocument.defaultView}function ds(t){if(Yr(t)){let e=t.commonAncestorContainer;return Nn(e)&&(e=e.parentNode),e}return t.parentNode}function hs(t,e){const o=cs(t),i=new Zr(t);if(o===e)return i;{let t=o;for(;t!=e;){const e=t.frameElement,o=new Zr(e).excludeScrollbarsAndBorders();i.moveBy(o.left,o.top),t=t.parent}}return i}Object.assign({},{scrollViewportToShowTarget:os,scrollAncestorsToShowTarget:function(t){ns(ds(t),()=>new Zr(t))}});class us{constructor(t){this.document=new sn(t),this.domConverter=new nr(this.document),this.domRoots=new Map,this.set("isRenderingInProgress",!1),this.set("hasDomSelection",!1),this._renderer=new Yn(this.domConverter,this.document.selection),this._renderer.bind("isFocused").to(this.document),this._initialDomRootAttributes=new WeakMap,this._observers=new Map,this._ongoingChange=!1,this._postFixersInProgress=!1,this._renderingDisabled=!1,this._hasChangedSinceTheLastRendering=!1,this._writer=new An(this.document),this.addObserver(Ir),this.addObserver($r),this.addObserver(Gr),this.addObserver(Mr),this.addObserver(Ur),this.addObserver(Kr),gn.isAndroid&&this.addObserver(Jr),this.document.on("keydown",Hn),yn(this),this.on("render",()=>{this._render(),this.document.fire("layoutChanged"),this._hasChangedSinceTheLastRendering=!1}),this.listenTo(this.document.selection,"change",()=>{this._hasChangedSinceTheLastRendering=!0})}attachDomRoot(t,e="main"){const o=this.document.getRoot(e);o._name=t.tagName.toLowerCase();const i={};for(const{name:e,value:n}of Array.from(t.attributes))i[e]=n,"class"===e?this._writer.addClass(n.split(" "),o):this._writer.setAttribute(e,n,o);this._initialDomRootAttributes.set(t,i);const n=()=>{this._writer.setAttribute("contenteditable",!o.isReadOnly,o),o.isReadOnly?this._writer.addClass("ck-read-only",o):this._writer.removeClass("ck-read-only",o)};n(),this.domRoots.set(e,t),this.domConverter.bindElements(t,o),this._renderer.markToSync("children",o),this._renderer.markToSync("attributes",o),this._renderer.domDocuments.add(t.ownerDocument),o.on("change:children",(t,e)=>this._renderer.markToSync("children",e)),o.on("change:attributes",(t,e)=>this._renderer.markToSync("attributes",e)),o.on("change:text",(t,e)=>this._renderer.markToSync("text",e)),o.on("change:isReadOnly",()=>this.change(n)),o.on("change",()=>{this._hasChangedSinceTheLastRendering=!0});for(const o of this._observers.values())o.observe(t,e)}detachDomRoot(t){const e=this.domRoots.get(t);Array.from(e.attributes).forEach(({name:t})=>e.removeAttribute(t));const o=this._initialDomRootAttributes.get(e);for(const t in o)e.setAttribute(t,o[t]);this.domRoots.delete(t),this.domConverter.unbindDomElement(e)}getDomRoot(t="main"){return this.domRoots.get(t)}addObserver(t){let e=this._observers.get(t);if(e)return e;e=new t(this),this._observers.set(t,e);for(const[t,o]of this.domRoots)e.observe(o,t);return e.enable(),e}getObserver(t){return this._observers.get(t)}disableObservers(){for(const t of this._observers.values())t.disable()}enableObservers(){for(const t of this._observers.values())t.enable()}scrollToTheSelection(){const t=this.document.selection.getFirstRange();t&&os({target:this.domConverter.viewRangeToDom(t),viewportOffset:20})}focus(){if(!this.document.isFocused){const t=this.document.selection.editableElement;t&&(this.domConverter.focus(t),this.forceRender())}}change(t){if(this.isRenderingInProgress||this._postFixersInProgress)throw new go.b("cannot-change-view-tree: Attempting to make changes to the view when it is in an incorrect state: rendering or post-fixers are in progress. This may cause some unexpected behavior and inconsistency between the DOM and the view.",this);try{if(this._ongoingChange)return t(this._writer);this._ongoingChange=!0;const e=t(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),e}catch(t){go.b.rethrowUnexpectedError(t,this)}}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.change(()=>{})}destroy(){for(const t of this._observers.values())t.destroy();this.document.destroy(),this.stopListening()}createPositionAt(t,e){return Zi._createAt(t,e)}createPositionAfter(t){return Zi._createAfter(t)}createPositionBefore(t){return Zi._createBefore(t)}createRange(t,e){return new tn(t,e)}createRangeOn(t){return tn._createOn(t)}createRangeIn(t){return tn._createIn(t)}createSelection(t,e,o){return new nn(t,e,o)}_disableRendering(t){this._renderingDisabled=t,0==t&&this.change(()=>{})}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}Co(us,Wi);class gs{constructor(t){this.parent=null,this._attrs=zo(t)}get index(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildIndex(this)))throw new go.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return t}get startOffset(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildStartOffset(this)))throw new go.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return t}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const t=this.index;return null!==t&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return null!==t&&this.parent.getChild(t-1)||null}get root(){let t=this;for(;t.parent;)t=t.parent;return t}isAttached(){return this.root.is("rootElement")}getPath(){const t=[];let e=this;for(;e.parent;)t.unshift(e.startOffset),e=e.parent;return t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let o=t.includeSelf?this:this.parent;for(;o;)e[t.parentFirst?"push":"unshift"](o),o=o.parent;return e}getCommonAncestor(t,e={}){const o=this.getAncestors(e),i=t.getAncestors(e);let n=0;for(;o[n]==i[n]&&o[n];)n++;return 0===n?null:o[n-1]}isBefore(t){if(this==t)return!1;if(this.root!==t.root)return!1;const e=this.getPath(),o=t.getPath(),i=Vo(e,o);switch(i){case"prefix":return!0;case"extension":return!1;default:return e[i]<o[i]}}isAfter(t){return this!=t&&(this.root===t.root&&!this.isBefore(t))}hasAttribute(t){return this._attrs.has(t)}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}toJSON(){const t={};return this._attrs.size&&(t.attributes=Array.from(this._attrs).reduce((t,e)=>(t[e[0]]=e[1],t),{})),t}is(t){return"node"===t||"model:node"===t}_clone(){return new gs(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=zo(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}}class ms extends gs{constructor(t,e){super(e),this._data=t||""}get offsetSize(){return this.data.length}get data(){return this._data}is(t){return"text"===t||"model:text"===t||"node"===t||"model:node"===t}toJSON(){const t=super.toJSON();return t.data=this.data,t}_clone(){return new ms(this.data,this.getAttributes())}static fromJSON(t){return new ms(t.data,t.attributes)}}class fs{constructor(t,e,o){if(this.textNode=t,e<0||e>t.offsetSize)throw new go.b("model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.",this);if(o<0||e+o>t.offsetSize)throw new go.b("model-textproxy-wrong-length: Given length value is incorrect.",this);this.data=t.data.substring(e,e+o),this.offsetInText=e}get startOffset(){return null!==this.textNode.startOffset?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return null!==this.startOffset?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}is(t){return"textProxy"===t||"model:textProxy"===t}getPath(){const t=this.textNode.getPath();return t.length>0&&(t[t.length-1]+=this.offsetInText),t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let o=t.includeSelf?this:this.parent;for(;o;)e[t.parentFirst?"push":"unshift"](o),o=o.parent;return e}hasAttribute(t){return this.textNode.hasAttribute(t)}getAttribute(t){return this.textNode.getAttribute(t)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}class ps{constructor(t){this._nodes=[],t&&this._insertNodes(0,t)}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce((t,e)=>t+e.offsetSize,0)}getNode(t){return this._nodes[t]||null}getNodeIndex(t){const e=this._nodes.indexOf(t);return-1==e?null:e}getNodeStartOffset(t){const e=this.getNodeIndex(t);return null===e?null:this._nodes.slice(0,e).reduce((t,e)=>t+e.offsetSize,0)}indexToOffset(t){if(t==this._nodes.length)return this.maxOffset;const e=this._nodes[t];if(!e)throw new go.b("model-nodelist-index-out-of-bounds: Given index cannot be found in the node list.",this);return this.getNodeStartOffset(e)}offsetToIndex(t){let e=0;for(const o of this._nodes){if(t>=e&&t<e+o.offsetSize)return this.getNodeIndex(o);e+=o.offsetSize}if(e!=t)throw new go.b("model-nodelist-offset-out-of-bounds: Given offset cannot be found in the node list.",this,{offset:t,nodeList:this});return this.length}_insertNodes(t,e){for(const t of e)if(!(t instanceof gs))throw new go.b("model-nodelist-insertNodes-not-node: Trying to insert an object which is not a Node instance.",this);this._nodes.splice(t,0,...e)}_removeNodes(t,e=1){return this._nodes.splice(t,e)}toJSON(){return this._nodes.map(t=>t.toJSON())}}class bs extends gs{constructor(t,e,o){super(e),this.name=t,this._children=new ps,o&&this._insertChild(0,o)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}is(t,e=null){return e?e===this.name&&("element"===t||"model:element"===t):"element"===t||"model:element"===t||t===this.name||t==="model:"+this.name||"node"===t||"model:node"===t}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}offsetToIndex(t){return this._children.offsetToIndex(t)}getNodeByPath(t){let e=this;for(const o of t)e=e.getChild(e.offsetToIndex(o));return e}toJSON(){const t=super.toJSON();if(t.name=this.name,this._children.length>0){t.children=[];for(const e of this._children)t.children.push(e.toJSON())}return t}_clone(t=!1){const e=t?Array.from(this._children).map(t=>t._clone(!0)):null;return new bs(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const o=function(t){if("string"==typeof t)return[new ms(t)];xo(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new ms(t):t instanceof fs?new ms(t.data,t.getAttributes()):t)}(e);for(const t of o)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,o)}_removeChildren(t,e=1){const o=this._children._removeNodes(t,e);for(const t of o)t.parent=null;return o}static fromJSON(t){let e=null;if(t.children){e=[];for(const o of t.children)o.name?e.push(bs.fromJSON(o)):e.push(ms.fromJSON(o))}return new bs(t.name,t.attributes,e)}}class ws{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new go.b("model-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.",null);const e=t.direction||"forward";if("forward"!=e&&"backward"!=e)throw new go.b("model-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",t,{direction:e});this.direction=e,this.boundaries=t.boundaries||null,t.startPosition?this.position=t.startPosition.clone():this.position=_s._createAt(this.boundaries["backward"==this.direction?"end":"start"]),this.position.stickiness="toNone",this.singleCharacters=!!t.singleCharacters,this.shallow=!!t.shallow,this.ignoreElementEnd=!!t.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null,this._visitedParent=this.position.parent}[Symbol.iterator](){return this}skip(t){let e,o,i,n;do{i=this.position,n=this._visitedParent,({done:e,value:o}=this.next())}while(!e&&t(o));e||(this.position=i,this._visitedParent=n)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const t=this.position,e=this.position.clone(),o=this._visitedParent;if(null===o.parent&&e.offset===o.maxOffset)return{done:!0};if(o===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};const i=e.parent,n=vs(e,i),r=n||ys(e,i,n);if(r instanceof bs)return this.shallow?e.offset++:(e.path.push(0),this._visitedParent=r),this.position=e,ks("elementStart",r,t,e,1);if(r instanceof ms){let i;if(this.singleCharacters)i=1;else{let t=r.endOffset;this._boundaryEndParent==o&&this.boundaries.end.offset<t&&(t=this.boundaries.end.offset),i=t-e.offset}const n=e.offset-r.startOffset,s=new fs(r,n,i);return e.offset+=i,this.position=e,ks("text",s,t,e,i)}return e.path.pop(),e.offset++,this.position=e,this._visitedParent=o.parent,this.ignoreElementEnd?this._next():ks("elementEnd",o,t,e)}_previous(){const t=this.position,e=this.position.clone(),o=this._visitedParent;if(null===o.parent&&0===e.offset)return{done:!0};if(o==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};const i=e.parent,n=vs(e,i),r=n||xs(e,i,n);if(r instanceof bs)return e.offset--,this.shallow?(this.position=e,ks("elementStart",r,t,e,1)):(e.path.push(r.maxOffset),this.position=e,this._visitedParent=r,this.ignoreElementEnd?this._previous():ks("elementEnd",r,t,e));if(r instanceof ms){let i;if(this.singleCharacters)i=1;else{let t=r.startOffset;this._boundaryStartParent==o&&this.boundaries.start.offset>t&&(t=this.boundaries.start.offset),i=e.offset-t}const n=e.offset-r.startOffset,s=new fs(r,n-i,i);return e.offset-=i,this.position=e,ks("text",s,t,e,i)}return e.path.pop(),this.position=e,this._visitedParent=o.parent,ks("elementStart",o,t,e,1)}}function ks(t,e,o,i,n){return{done:!1,value:{type:t,item:e,previousPosition:o,nextPosition:i,length:n}}}class _s{constructor(t,e,o="toNone"){if(!t.is("element")&&!t.is("documentFragment"))throw new go.b("model-position-root-invalid: Position root invalid.",t);if(!(e instanceof Array)||0===e.length)throw new go.b("model-position-path-incorrect-format: Position path must be an array with at least one item.",t,{path:e});t.is("rootElement")?e=e.slice():(e=[...t.getPath(),...e],t=t.root),this.root=t,this.path=e,this.stickiness=o}get offset(){return this.path[this.path.length-1]}set offset(t){this.path[this.path.length-1]=t}get parent(){let t=this.root;for(let e=0;e<this.path.length-1;e++)if(t=t.getChild(t.offsetToIndex(this.path[e])),!t)throw new go.b("model-position-path-incorrect: The position's path is incorrect.",this,{position:this});if(t.is("text"))throw new go.b("model-position-path-incorrect: The position's path is incorrect.",this,{position:this});return t}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){return vs(this,this.parent)}get nodeAfter(){const t=this.parent;return ys(this,t,vs(this,t))}get nodeBefore(){const t=this.parent;return xs(this,t,vs(this,t))}get isAtStart(){return 0===this.offset}get isAtEnd(){return this.offset==this.parent.maxOffset}compareWith(t){if(this.root!=t.root)return"different";const e=Vo(this.path,t.path);switch(e){case"same":return"same";case"prefix":return"before";case"extension":return"after";default:return this.path[e]<t.path[e]?"before":"after"}}getLastMatchingPosition(t,e={}){e.startPosition=this;const o=new ws(e);return o.skip(t),o.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){const t=this.parent;return t.is("documentFragment")?[t]:t.getAncestors({includeSelf:!0})}getCommonPath(t){if(this.root!=t.root)return[];const e=Vo(this.path,t.path),o="string"==typeof e?Math.min(this.path.length,t.path.length):e;return this.path.slice(0,o)}getCommonAncestor(t){const e=this.getAncestors(),o=t.getAncestors();let i=0;for(;e[i]==o[i]&&e[i];)i++;return 0===i?null:e[i-1]}getShiftedBy(t){const e=this.clone(),o=e.offset+t;return e.offset=o<0?0:o,e}isAfter(t){return"after"==this.compareWith(t)}isBefore(t){return"before"==this.compareWith(t)}isEqual(t){return"same"==this.compareWith(t)}isTouching(t){let e=null,o=null;switch(this.compareWith(t)){case"same":return!0;case"before":e=_s._createAt(this),o=_s._createAt(t);break;case"after":e=_s._createAt(t),o=_s._createAt(this);break;default:return!1}let i=e.parent;for(;e.path.length+o.path.length;){if(e.isEqual(o))return!0;if(e.path.length>o.path.length){if(e.offset!==i.maxOffset)return!1;e.path=e.path.slice(0,-1),i=i.parent,e.offset++}else{if(0!==o.offset)return!1;o.path=o.path.slice(0,-1)}}}is(t){return"position"===t||"model:position"===t}hasSameParentAs(t){if(this.root!==t.root)return!1;return"same"==Vo(this.getParentPath(),t.getParentPath())}getTransformedByOperation(t){let e;switch(t.type){case"insert":e=this._getTransformedByInsertOperation(t);break;case"move":case"remove":case"reinsert":e=this._getTransformedByMoveOperation(t);break;case"split":e=this._getTransformedBySplitOperation(t);break;case"merge":e=this._getTransformedByMergeOperation(t);break;default:e=_s._createAt(this)}return e}_getTransformedByInsertOperation(t){return this._getTransformedByInsertion(t.position,t.howMany)}_getTransformedByMoveOperation(t){return this._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany)}_getTransformedBySplitOperation(t){const e=t.movedRange;return e.containsPosition(this)||e.start.isEqual(this)&&"toNext"==this.stickiness?this._getCombined(t.splitPosition,t.moveTargetPosition):t.graveyardPosition?this._getTransformedByMove(t.graveyardPosition,t.insertionPosition,1):this._getTransformedByInsertion(t.insertionPosition,1)}_getTransformedByMergeOperation(t){const e=t.movedRange;let o;return e.containsPosition(this)||e.start.isEqual(this)?(o=this._getCombined(t.sourcePosition,t.targetPosition),t.sourcePosition.isBefore(t.targetPosition)&&(o=o._getTransformedByDeletion(t.deletionPosition,1))):o=this.isEqual(t.deletionPosition)?_s._createAt(t.deletionPosition):this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1),o}_getTransformedByDeletion(t,e){const o=_s._createAt(this);if(this.root!=t.root)return o;if("same"==Vo(t.getParentPath(),this.getParentPath())){if(t.offset<this.offset){if(t.offset+e>this.offset)return null;o.offset-=e}}else if("prefix"==Vo(t.getParentPath(),this.getParentPath())){const i=t.path.length-1;if(t.offset<=this.path[i]){if(t.offset+e>this.path[i])return null;o.path[i]-=e}}return o}_getTransformedByInsertion(t,e){const o=_s._createAt(this);if(this.root!=t.root)return o;if("same"==Vo(t.getParentPath(),this.getParentPath()))(t.offset<this.offset||t.offset==this.offset&&"toPrevious"!=this.stickiness)&&(o.offset+=e);else if("prefix"==Vo(t.getParentPath(),this.getParentPath())){const i=t.path.length-1;t.offset<=this.path[i]&&(o.path[i]+=e)}return o}_getTransformedByMove(t,e,o){if(e=e._getTransformedByDeletion(t,o),t.isEqual(e))return _s._createAt(this);const i=this._getTransformedByDeletion(t,o);return null===i||t.isEqual(this)&&"toNext"==this.stickiness||t.getShiftedBy(o).isEqual(this)&&"toPrevious"==this.stickiness?this._getCombined(t,e):i._getTransformedByInsertion(e,o)}_getCombined(t,e){const o=t.path.length-1,i=_s._createAt(e);return i.stickiness=this.stickiness,i.offset=i.offset+this.path[o]-t.offset,i.path=[...i.path,...this.path.slice(o+1)],i}toJSON(){return{root:this.root.toJSON(),path:Array.from(this.path),stickiness:this.stickiness}}clone(){return new this.constructor(this.root,this.path,this.stickiness)}static _createAt(t,e,o="toNone"){if(t instanceof _s)return new _s(t.root,t.path,t.stickiness);{const i=t;if("end"==e)e=i.maxOffset;else{if("before"==e)return this._createBefore(i,o);if("after"==e)return this._createAfter(i,o);if(0!==e&&!e)throw new go.b("model-createPositionAt-offset-required: Model#createPositionAt() requires the offset when the first parameter is a model item.",[this,t])}if(!i.is("element")&&!i.is("documentFragment"))throw new go.b("model-position-parent-incorrect: Position parent have to be a element or document fragment.",[this,t]);const n=i.getPath();return n.push(e),new this(i.root,n,o)}}static _createAfter(t,e){if(!t.parent)throw new go.b("model-position-after-root: You cannot make a position after root.",[this,t],{root:t});return this._createAt(t.parent,t.endOffset,e)}static _createBefore(t,e){if(!t.parent)throw new go.b("model-position-before-root: You cannot make a position before root.",t,{root:t});return this._createAt(t.parent,t.startOffset,e)}static fromJSON(t,e){if("$graveyard"===t.root){const o=new _s(e.graveyard,t.path);return o.stickiness=t.stickiness,o}if(!e.getRoot(t.root))throw new go.b("model-position-fromjson-no-root: Cannot create position for document. Root with specified name does not exist.",e,{rootName:t.root});return new _s(e.getRoot(t.root),t.path,t.stickiness)}}function vs(t,e){const o=e.getChild(e.offsetToIndex(t.offset));return o&&o.is("text")&&o.startOffset<t.offset?o:null}function ys(t,e,o){return null!==o?null:e.getChild(e.offsetToIndex(t.offset))}function xs(t,e,o){return null!==o?null:e.getChild(e.offsetToIndex(t.offset)-1)}class Cs{constructor(t,e=null){this.start=_s._createAt(t),this.end=e?_s._createAt(e):_s._createAt(t),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new ws({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return"same"==Vo(this.start.getParentPath(),this.end.getParentPath())}get root(){return this.start.root}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const o=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),i=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return o&&i}containsItem(t){const e=_s._createBefore(t);return this.containsPosition(e)||this.start.isEqual(e)}is(t){return"range"===t||"model:range"===t}isEqual(t){return this.start.isEqual(t.start)&&this.end.isEqual(t.end)}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new Cs(this.start,t.start)),this.containsPosition(t.end)&&e.push(new Cs(t.end,this.end))):e.push(new Cs(this.start,this.end)),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,o=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(o=t.end),new Cs(e,o)}return null}getMinimalFlatRanges(){const t=[],e=this.start.getCommonPath(this.end).length,o=_s._createAt(this.start);let i=o.parent;for(;o.path.length>e+1;){const e=i.maxOffset-o.offset;0!==e&&t.push(new Cs(o,o.getShiftedBy(e))),o.path=o.path.slice(0,-1),o.offset++,i=i.parent}for(;o.path.length<=this.end.path.length;){const e=this.end.path[o.path.length-1],i=e-o.offset;0!==i&&t.push(new Cs(o,o.getShiftedBy(i))),o.offset=e,o.path.push(0)}return t}getWalker(t={}){return t.boundaries=this,new ws(t)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new ws(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new ws(t);yield e.position;for(const t of e)yield t.nextPosition}getTransformedByOperation(t){switch(t.type){case"insert":return this._getTransformedByInsertOperation(t);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(t);case"split":return[this._getTransformedBySplitOperation(t)];case"merge":return[this._getTransformedByMergeOperation(t)]}return[new Cs(this.start,this.end)]}getTransformedByOperations(t){const e=[new Cs(this.start,this.end)];for(const o of t)for(let t=0;t<e.length;t++){const i=e[t].getTransformedByOperation(o);e.splice(t,1,...i),t+=i.length-1}for(let t=0;t<e.length;t++){const o=e[t];for(let i=t+1;i<e.length;i++){const t=e[i];(o.containsRange(t)||t.containsRange(o)||o.isEqual(t))&&e.splice(i,1)}}return e}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;const t=this.start.nodeAfter,e=this.end.nodeBefore;return t&&t.is("element")&&t===e?t:null}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}clone(){return new this.constructor(this.start,this.end)}_getTransformedByInsertOperation(t,e=!1){return this._getTransformedByInsertion(t.position,t.howMany,e)}_getTransformedByMoveOperation(t,e=!1){const o=t.sourcePosition,i=t.howMany,n=t.targetPosition;return this._getTransformedByMove(o,n,i,e)}_getTransformedBySplitOperation(t){const e=this.start._getTransformedBySplitOperation(t);let o=this.end._getTransformedBySplitOperation(t);return this.end.isEqual(t.insertionPosition)&&(o=this.end.getShiftedBy(1)),e.root!=o.root&&(o=this.end.getShiftedBy(-1)),new Cs(e,o)}_getTransformedByMergeOperation(t){if(this.start.isEqual(t.targetPosition)&&this.end.isEqual(t.deletionPosition))return new Cs(this.start);let e=this.start._getTransformedByMergeOperation(t),o=this.end._getTransformedByMergeOperation(t);return e.root!=o.root&&(o=this.end.getShiftedBy(-1)),e.isAfter(o)?(t.sourcePosition.isBefore(t.targetPosition)?(e=_s._createAt(o),e.offset=0):(t.deletionPosition.isEqual(e)||(o=t.deletionPosition),e=t.targetPosition),new Cs(e,o)):new Cs(e,o)}_getTransformedByInsertion(t,e,o=!1){if(o&&this.containsPosition(t))return[new Cs(this.start,t),new Cs(t.getShiftedBy(e),this.end._getTransformedByInsertion(t,e))];{const o=new Cs(this.start,this.end);return o.start=o.start._getTransformedByInsertion(t,e),o.end=o.end._getTransformedByInsertion(t,e),[o]}}_getTransformedByMove(t,e,o,i=!1){if(this.isCollapsed){const i=this.start._getTransformedByMove(t,e,o);return[new Cs(i)]}const n=Cs._createFromPositionAndShift(t,o),r=e._getTransformedByDeletion(t,o);if(this.containsPosition(e)&&!i&&(n.containsPosition(this.start)||n.containsPosition(this.end))){const i=this.start._getTransformedByMove(t,e,o),n=this.end._getTransformedByMove(t,e,o);return[new Cs(i,n)]}let s;const a=this.getDifference(n);let l=null;const c=this.getIntersection(n);if(1==a.length?l=new Cs(a[0].start._getTransformedByDeletion(t,o),a[0].end._getTransformedByDeletion(t,o)):2==a.length&&(l=new Cs(this.start,this.end._getTransformedByDeletion(t,o))),s=l?l._getTransformedByInsertion(r,o,null!==c||i):[],c){const t=new Cs(c.start._getCombined(n.start,r),c.end._getCombined(n.start,r));2==s.length?s.splice(1,0,t):s.push(t)}return s}_getTransformedByDeletion(t,e){let o=this.start._getTransformedByDeletion(t,e),i=this.end._getTransformedByDeletion(t,e);return null==o&&null==i?null:(null==o&&(o=t),null==i&&(i=t),new Cs(o,i))}static _createFromPositionAndShift(t,e){const o=t,i=t.getShiftedBy(e);return e>0?new this(o,i):new this(i,o)}static _createIn(t){return new this(_s._createAt(t,0),_s._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift(_s._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(0===t.length)throw new go.b("range-create-from-ranges-empty-array: At least one range has to be passed.",null);if(1==t.length)return t[0].clone();const e=t[0];t.sort((t,e)=>t.start.isAfter(e.start)?1:-1);const o=t.indexOf(e),i=new this(e.start,e.end);if(o>0)for(let e=o-1;t[e].end.isEqual(i.start);e++)i.start=_s._createAt(t[e].start);for(let e=o+1;e<t.length&&t[e].start.isEqual(i.end);e++)i.end=_s._createAt(t[e].end);return i}static fromJSON(t,e){return new this(_s.fromJSON(t.start,e),_s.fromJSON(t.end,e))}}class As{constructor(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._viewToModelLengthCallbacks=new Map,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set,this.on("modelToViewPosition",(t,e)=>{if(e.viewPosition)return;const o=this._modelToViewMapping.get(e.modelPosition.parent);e.viewPosition=this._findPositionIn(o,e.modelPosition.offset)},{priority:"low"}),this.on("viewToModelPosition",(t,e)=>{if(e.modelPosition)return;const o=this.findMappedViewAncestor(e.viewPosition),i=this._viewToModelMapping.get(o),n=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,o);e.modelPosition=_s._createAt(i,n)},{priority:"low"})}bindElements(t,e){this._modelToViewMapping.set(t,e),this._viewToModelMapping.set(e,t)}unbindViewElement(t){const e=this.toModelElement(t);if(this._viewToModelMapping.delete(t),this._elementToMarkerNames.has(t))for(const e of this._elementToMarkerNames.get(t))this._unboundMarkerNames.add(e);this._modelToViewMapping.get(e)==t&&this._modelToViewMapping.delete(e)}unbindModelElement(t){const e=this.toViewElement(t);this._modelToViewMapping.delete(t),this._viewToModelMapping.get(e)==t&&this._viewToModelMapping.delete(e)}bindElementToMarker(t,e){const o=this._markerNameToElements.get(e)||new Set;o.add(t);const i=this._elementToMarkerNames.get(t)||new Set;i.add(e),this._markerNameToElements.set(e,o),this._elementToMarkerNames.set(t,i)}unbindElementFromMarkerName(t,e){const o=this._markerNameToElements.get(e);o&&(o.delete(t),0==o.size&&this._markerNameToElements.delete(e));const i=this._elementToMarkerNames.get(t);i&&(i.delete(e),0==i.size&&this._elementToMarkerNames.delete(t))}flushUnboundMarkerNames(){const t=Array.from(this._unboundMarkerNames);return this._unboundMarkerNames.clear(),t}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set}toModelElement(t){return this._viewToModelMapping.get(t)}toViewElement(t){return this._modelToViewMapping.get(t)}toModelRange(t){return new Cs(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new tn(this.toViewPosition(t.start),this.toViewPosition(t.end))}toModelPosition(t){const e={viewPosition:t,mapper:this};return this.fire("viewToModelPosition",e),e.modelPosition}toViewPosition(t,e={isPhantom:!1}){const o={modelPosition:t,mapper:this,isPhantom:e.isPhantom};return this.fire("modelToViewPosition",o),o.viewPosition}markerNameToElements(t){const e=this._markerNameToElements.get(t);if(!e)return null;const o=new Set;for(const t of e)if(t.is("attributeElement"))for(const e of t.getElementsWithSameId())o.add(e);else o.add(t);return o}registerViewToModelLength(t,e){this._viewToModelLengthCallbacks.set(t,e)}findMappedViewAncestor(t){let e=t.parent;for(;!this._viewToModelMapping.has(e);)e=e.parent;return e}_toModelOffset(t,e,o){if(o!=t){return this._toModelOffset(t.parent,t.index,o)+this._toModelOffset(t,e,t)}if(t.is("text"))return e;let i=0;for(let o=0;o<e;o++)i+=this.getModelLength(t.getChild(o));return i}getModelLength(t){if(this._viewToModelLengthCallbacks.get(t.name)){return this._viewToModelLengthCallbacks.get(t.name)(t)}if(this._viewToModelMapping.has(t))return 1;if(t.is("text"))return t.data.length;if(t.is("uiElement"))return 0;{let e=0;for(const o of t.getChildren())e+=this.getModelLength(o);return e}}_findPositionIn(t,e){let o,i=0,n=0,r=0;if(t.is("text"))return new Zi(t,e);for(;n<e;)o=t.getChild(r),i=this.getModelLength(o),n+=i,r++;return n==e?this._moveViewPositionToTextNode(new Zi(t,r)):this._findPositionIn(o,e-(n-i))}_moveViewPositionToTextNode(t){const e=t.nodeBefore,o=t.nodeAfter;return e instanceof No?new Zi(e,e.data.length):o instanceof No?new Zi(o,0):t}}Co(As,po);class Ts{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(t,e){e=Ps(e),t instanceof fs&&(t=this._getSymbolForTextProxy(t)),this._consumable.has(t)||this._consumable.set(t,new Map),this._consumable.get(t).set(e,!0)}consume(t,e){return e=Ps(e),t instanceof fs&&(t=this._getSymbolForTextProxy(t)),!!this.test(t,e)&&(this._consumable.get(t).set(e,!1),!0)}test(t,e){e=Ps(e),t instanceof fs&&(t=this._getSymbolForTextProxy(t));const o=this._consumable.get(t);if(void 0===o)return null;const i=o.get(e);return void 0===i?null:i}revert(t,e){e=Ps(e),t instanceof fs&&(t=this._getSymbolForTextProxy(t));const o=this.test(t,e);return!1===o?(this._consumable.get(t).set(e,!0),!0):!0!==o&&null}_getSymbolForTextProxy(t){let e=null;const o=this._textProxyRegistry.get(t.startOffset);if(o){const i=o.get(t.endOffset);i&&(e=i.get(t.parent))}return e||(e=this._addSymbolForTextProxy(t.startOffset,t.endOffset,t.parent)),e}_addSymbolForTextProxy(t,e,o){const i=Symbol("textProxySymbol");let n,r;return n=this._textProxyRegistry.get(t),n||(n=new Map,this._textProxyRegistry.set(t,n)),r=n.get(e),r||(r=new Map,n.set(e,r)),r.set(o,i),i}}function Ps(t){const e=t.split(":");return e.length>1?e[0]+":"+e[1]:e[0]}class Ss{constructor(t){this.conversionApi=Fi({dispatcher:this},t)}convertChanges(t,e,o){for(const e of t.getMarkersToRemove())this.convertMarkerRemove(e.name,e.range,o);for(const e of t.getChanges())"insert"==e.type?this.convertInsert(Cs._createFromPositionAndShift(e.position,e.length),o):"remove"==e.type?this.convertRemove(e.position,e.length,e.name,o):this.convertAttribute(e.range,e.attributeKey,e.attributeOldValue,e.attributeNewValue,o);for(const t of this.conversionApi.mapper.flushUnboundMarkerNames()){const i=e.get(t).getRange();this.convertMarkerRemove(t,i,o),this.convertMarkerAdd(t,i,o)}for(const e of t.getMarkersToAdd())this.convertMarkerAdd(e.name,e.range,o)}convertInsert(t,e){this.conversionApi.writer=e,this.conversionApi.consumable=this._createInsertConsumable(t);for(const e of t){const t=e.item,o={item:t,range:Cs._createFromPositionAndShift(e.previousPosition,e.length)};this._testAndFire("insert",o);for(const e of t.getAttributeKeys())o.attributeKey=e,o.attributeOldValue=null,o.attributeNewValue=t.getAttribute(e),this._testAndFire("attribute:"+e,o)}this._clearConversionApi()}convertRemove(t,e,o,i){this.conversionApi.writer=i,this.fire("remove:"+o,{position:t,length:e},this.conversionApi),this._clearConversionApi()}convertAttribute(t,e,o,i,n){this.conversionApi.writer=n,this.conversionApi.consumable=this._createConsumableForRange(t,"attribute:"+e);for(const n of t){const t={item:n.item,range:Cs._createFromPositionAndShift(n.previousPosition,n.length),attributeKey:e,attributeOldValue:o,attributeNewValue:i};this._testAndFire("attribute:"+e,t)}this._clearConversionApi()}convertSelection(t,e,o){const i=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));if(this.conversionApi.writer=o,this.conversionApi.consumable=this._createSelectionConsumable(t,i),this.fire("selection",{selection:t},this.conversionApi),t.isCollapsed){for(const e of i){const o=e.getRange();if(!Es(t.getFirstPosition(),e,this.conversionApi.mapper))continue;const i={item:t,markerName:e.name,markerRange:o};this.conversionApi.consumable.test(t,"addMarker:"+e.name)&&this.fire("addMarker:"+e.name,i,this.conversionApi)}for(const e of t.getAttributeKeys()){const o={item:t,range:t.getFirstRange(),attributeKey:e,attributeOldValue:null,attributeNewValue:t.getAttribute(e)};this.conversionApi.consumable.test(t,"attribute:"+o.attributeKey)&&this.fire("attribute:"+o.attributeKey+":$text",o,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(t,e,o){if(!e.root.document||"$graveyard"==e.root.rootName)return;this.conversionApi.writer=o;const i="addMarker:"+t,n=new Ts;if(n.add(e,i),this.conversionApi.consumable=n,this.fire(i,{markerName:t,markerRange:e},this.conversionApi),n.test(e,i)){this.conversionApi.consumable=this._createConsumableForRange(e,i);for(const o of e.getItems()){if(!this.conversionApi.consumable.test(o,i))continue;const n={item:o,range:Cs._createOn(o),markerName:t,markerRange:e};this.fire(i,n,this.conversionApi)}this._clearConversionApi()}}convertMarkerRemove(t,e,o){e.root.document&&"$graveyard"!=e.root.rootName&&(this.conversionApi.writer=o,this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi),this._clearConversionApi())}_createInsertConsumable(t){const e=new Ts;for(const o of t){const t=o.item;e.add(t,"insert");for(const o of t.getAttributeKeys())e.add(t,"attribute:"+o)}return e}_createConsumableForRange(t,e){const o=new Ts;for(const i of t.getItems())o.add(i,e);return o}_createSelectionConsumable(t,e){const o=new Ts;o.add(t,"selection");for(const i of e)o.add(t,"addMarker:"+i.name);for(const e of t.getAttributeKeys())o.add(t,"attribute:"+e);return o}_testAndFire(t,e){if(!this.conversionApi.consumable.test(e.item,t))return;const o=e.item.name||"$text";this.fire(t+":"+o,e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}}function Es(t,e,o){const i=e.getRange(),n=Array.from(t.getAncestors());n.shift(),n.reverse();return!n.some(t=>{if(i.containsItem(t)){return!!o.toViewElement(t).getCustomProperty("addHighlight")}})}Co(Ss,po);class Rs{constructor(t,e,o){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,t&&this.setTo(t,e,o)}get anchor(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.end:t.start}return null}get focus(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.start:t.end}return null}get isCollapsed(){return 1===this._ranges.length&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(t){if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let o=!1;for(const i of t._ranges)if(e.isEqual(i)){o=!0;break}if(!o)return!1}return!0}*getRanges(){for(const t of this._ranges)yield new Cs(t.start,t.end)}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?new Cs(t.start,t.end):null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?new Cs(t.start,t.end):null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}setTo(t,e,o){if(null===t)this._setRanges([]);else if(t instanceof Rs)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof Cs)this._setRanges([t],!!e&&!!e.backward);else if(t instanceof _s)this._setRanges([new Cs(t)]);else if(t instanceof gs){const i=!!o&&!!o.backward;let n;if("in"==e)n=Cs._createIn(t);else if("on"==e)n=Cs._createOn(t);else{if(void 0===e)throw new go.b("model-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",[this,t]);n=new Cs(_s._createAt(t,e))}this._setRanges([n],i)}else{if(!xo(t))throw new go.b("model-selection-setTo-not-selectable: Cannot set the selection to the given place.",[this,t]);this._setRanges(t,e&&!!e.backward)}}_setRanges(t,e=!1){const o=(t=Array.from(t)).some(e=>{if(!(e instanceof Cs))throw new go.b("model-selection-set-ranges-not-range: Selection range set to an object that is not an instance of model.Range.",[this,t]);return this._ranges.every(t=>!t.isEqual(e))});if(t.length!==this._ranges.length||o){this._removeAllRanges();for(const e of t)this._pushRange(e);this._lastRangeBackward=!!e,this.fire("change:range",{directChange:!0})}}setFocus(t,e){if(null===this.anchor)throw new go.b("model-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",[this,t]);const o=_s._createAt(t,e);if("same"==o.compareWith(this.focus))return;const i=this.anchor;this._ranges.length&&this._popRange(),"before"==o.compareWith(i)?(this._pushRange(new Cs(o,i)),this._lastRangeBackward=!0):(this._pushRange(new Cs(i,o)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(t){return this._attrs.has(t)}removeAttribute(t){this.hasAttribute(t)&&(this._attrs.delete(t),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}setAttribute(t,e){this.getAttribute(t)!==e&&(this._attrs.set(t,e),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}is(t){return"selection"===t||"model:selection"===t}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const o=Os(e.start,t);o&&Ms(o,e)&&(yield o);for(const o of e.getWalker()){const i=o.item;"elementEnd"==o.type&&Vs(i,t,e)&&(yield i)}const i=Os(e.end,t);i&&!e.end.isTouching(_s._createAt(i,0))&&Ms(i,e)&&(yield i)}}containsEntireContent(t=this.anchor.root){const e=_s._createAt(t,0),o=_s._createAt(t,"end");return e.isTouching(this.getFirstPosition())&&o.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t),this._ranges.push(new Cs(t.start,t.end))}_checkRange(t){for(let e=0;e<this._ranges.length;e++)if(t.isIntersecting(this._ranges[e]))throw new go.b("model-selection-range-intersects: Trying to add a range that intersects with another range in the selection.",[this,t],{addedRange:t,intersectingRange:this._ranges[e]})}_removeAllRanges(){for(;this._ranges.length>0;)this._popRange()}_popRange(){this._ranges.pop()}}function Is(t,e){return!e.has(t)&&(e.add(t),t.root.document.model.schema.isBlock(t)&&t.parent)}function Vs(t,e,o){return Is(t,e)&&Ms(t,o)}function Os(t,e){const o=t.parent.root.document.model.schema,i=t.parent.getAncestors({parentFirst:!0,includeSelf:!0});let n=!1;const r=i.find(t=>!n&&(n=o.isLimit(t),!n&&Is(t,e)));return i.forEach(t=>e.add(t)),r}function Ms(t,e){const o=function(t){const e=t.root.document.model.schema;let o=t.parent;for(;o;){if(e.isBlock(o))return o;o=o.parent}}(t);if(!o)return!0;return!e.containsRange(Cs._createOn(o),!0)}Co(Rs,po);class Ns extends Cs{constructor(t,e){super(t,e),Bs.call(this)}detach(){this.stopListening()}is(t){return"liveRange"===t||"model:liveRange"===t||"range"==t||"model:range"===t}toRange(){return new Cs(this.start,this.end)}static fromRange(t){return new Ns(t.start,t.end)}}function Bs(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const o=e[0];o.isDocumentOperation&&zs.call(this,o)},{priority:"low"})}function zs(t){const e=this.getTransformedByOperation(t),o=Cs._createFromRanges(e),i=!o.isEqual(this),n=function(t,e){switch(e.type){case"insert":return t.containsPosition(e.position);case"move":case"remove":case"reinsert":case"merge":return t.containsPosition(e.sourcePosition)||t.start.isEqual(e.sourcePosition)||t.containsPosition(e.targetPosition);case"split":return t.containsPosition(e.splitPosition)||t.containsPosition(e.insertionPosition)}return!1}(this,t);let r=null;if(i){"$graveyard"==o.root.rootName&&(r="remove"==t.type?t.sourcePosition:t.deletionPosition);const e=this.toRange();this.start=o.start,this.end=o.end,this.fire("change:range",e,{deletionPosition:r})}else n&&this.fire("change:content",this.toRange(),{deletionPosition:r})}Co(Ns,po);class Fs{constructor(t){this._selection=new Ds(t),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").to(this),this._selection.delegate("change:marker").to(this)}get isCollapsed(){return this._selection.isCollapsed}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get rangeCount(){return this._selection.rangeCount}get hasOwnRange(){return this._selection.hasOwnRange}get isBackward(){return this._selection.isBackward}get isGravityOverridden(){return this._selection.isGravityOverridden}get markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getSelectedElement(){return this._selection.getSelectedElement()}containsEntireContent(t){return this._selection.containsEntireContent(t)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(t){return this._selection.getAttribute(t)}hasAttribute(t){return this._selection.hasAttribute(t)}refresh(){this._selection._updateMarkers(),this._selection._updateAttributes(!1)}is(t){return"selection"===t||"model:selection"==t||"documentSelection"==t||"model:documentSelection"==t}_setFocus(t,e){this._selection.setFocus(t,e)}_setTo(t,e,o){this._selection.setTo(t,e,o)}_setAttribute(t,e){this._selection.setAttribute(t,e)}_removeAttribute(t){this._selection.removeAttribute(t)}_getStoredAttributes(){return this._selection._getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(t){this._selection.restoreGravity(t)}static _getStoreAttributeKey(t){return"selection:"+t}static _isStoreAttributeKey(t){return t.startsWith("selection:")}}Co(Fs,po);class Ds extends Rs{constructor(t){super(),this.markers=new Ao({idProperty:"name"}),this._model=t.model,this._document=t,this._attributePriority=new Map,this._fixGraveyardRangesData=[],this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this.listenTo(this._model,"applyOperation",(t,e)=>{const o=e[0];if(o.isDocumentOperation&&"marker"!=o.type&&"rename"!=o.type&&"noop"!=o.type){for(;this._fixGraveyardRangesData.length;){const{liveRange:t,sourcePosition:e}=this._fixGraveyardRangesData.shift();this._fixGraveyardSelection(t,e)}this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1}))}},{priority:"lowest"}),this.on("change:range",()=>{for(const t of this.getRanges())if(!this._document._validateSelectionRange(t))throw new go.b("document-selection-wrong-position: Range from document selection starts or ends at incorrect position.",this,{range:t})}),this.listenTo(this._model.markers,"update",()=>this._updateMarkers()),this.listenTo(this._document,"change",(t,e)=>{!function(t,e){const o=t.document.differ;for(const i of o.getChanges()){if("insert"!=i.type)continue;const o=i.position.parent;i.length===o.maxOffset&&t.enqueueChange(e,t=>{const e=Array.from(o.getAttributeKeys()).filter(t=>t.startsWith("selection:"));for(const i of e)t.removeAttribute(i,o)})}}(this._model,e)})}get isCollapsed(){return 0===this._ranges.length?this._document._getDefaultRange().isCollapsed:super.isCollapsed}get anchor(){return super.anchor||this._document._getDefaultRange().start}get focus(){return super.focus||this._document._getDefaultRange().end}get rangeCount(){return this._ranges.length?this._ranges.length:1}get hasOwnRange(){return this._ranges.length>0}get isGravityOverridden(){return!!this._overriddenGravityRegister.size}destroy(){for(let t=0;t<this._ranges.length;t++)this._ranges[t].detach();this.stopListening()}*getRanges(){this._ranges.length?yield*super.getRanges():yield this._document._getDefaultRange()}getFirstRange(){return super.getFirstRange()||this._document._getDefaultRange()}getLastRange(){return super.getLastRange()||this._document._getDefaultRange()}setTo(t,e,o){super.setTo(t,e,o),this._updateAttributes(!0),this._updateMarkers()}setFocus(t,e){super.setFocus(t,e),this._updateAttributes(!0),this._updateMarkers()}setAttribute(t,e){if(this._setAttribute(t,e)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}removeAttribute(t){if(this._removeAttribute(t)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}overrideGravity(){const t=ho();return this._overriddenGravityRegister.add(t),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),t}restoreGravity(t){if(!this._overriddenGravityRegister.has(t))throw new go.b("document-selection-gravity-wrong-restore: Attempting to restore the selection gravity for an unknown UID.",this,{uid:t});this._overriddenGravityRegister.delete(t),this.isGravityOverridden||this._updateAttributes(!0)}_popRange(){this._ranges.pop().detach()}_pushRange(t){const e=this._prepareRange(t);e&&this._ranges.push(e)}_prepareRange(t){if(this._checkRange(t),t.root==this._document.graveyard)return;const e=Ns.fromRange(t);return e.on("change:range",(t,o,i)=>{this._hasChangedRange=!0,e.root==this._document.graveyard&&this._fixGraveyardRangesData.push({liveRange:e,sourcePosition:i.deletionPosition})}),e}_updateMarkers(){const t=[];let e=!1;for(const e of this._model.markers){const o=e.getRange();for(const i of this.getRanges())o.containsRange(i,!i.isCollapsed)&&t.push(e)}const o=Array.from(this.markers);for(const o of t)this.markers.has(o)||(this.markers.add(o),e=!0);for(const o of Array.from(this.markers))t.includes(o)||(this.markers.remove(o),e=!0);e&&this.fire("change:marker",{oldMarkers:o,directChange:!1})}_updateAttributes(t){const e=zo(this._getSurroundingAttributes()),o=zo(this.getAttributes());if(t)this._attributePriority=new Map,this._attrs=new Map;else for(const[t,e]of this._attributePriority)"low"==e&&(this._attrs.delete(t),this._attributePriority.delete(t));this._setAttributesTo(e);const i=[];for(const[t,e]of this.getAttributes())o.has(t)&&o.get(t)===e||i.push(t);for(const[t]of o)this.hasAttribute(t)||i.push(t);i.length>0&&this.fire("change:attribute",{attributeKeys:i,directChange:!1})}_setAttribute(t,e,o=!0){const i=o?"normal":"low";if("low"==i&&"normal"==this._attributePriority.get(t))return!1;return super.getAttribute(t)!==e&&(this._attrs.set(t,e),this._attributePriority.set(t,i),!0)}_removeAttribute(t,e=!0){const o=e?"normal":"low";return("low"!=o||"normal"!=this._attributePriority.get(t))&&(this._attributePriority.set(t,o),!!super.hasAttribute(t)&&(this._attrs.delete(t),!0))}_setAttributesTo(t){const e=new Set;for(const[e,o]of this.getAttributes())t.get(e)!==o&&this._removeAttribute(e,!1);for(const[o,i]of t){this._setAttribute(o,i,!1)&&e.add(o)}return e}*_getStoredAttributes(){const t=this.getFirstPosition().parent;if(this.isCollapsed&&t.isEmpty)for(const e of t.getAttributeKeys())if(e.startsWith("selection:")){const o=e.substr("selection:".length);yield[o,t.getAttribute(e)]}}_getSurroundingAttributes(){const t=this.getFirstPosition(),e=this._model.schema;let o=null;if(this.isCollapsed){const e=t.textNode?t.textNode:t.nodeBefore,i=t.textNode?t.textNode:t.nodeAfter;if(this.isGravityOverridden||(o=Ls(e)),o||(o=Ls(i)),!this.isGravityOverridden&&!o){let t=e;for(;t&&!o;)t=t.previousSibling,o=Ls(t)}if(!o){let t=i;for(;t&&!o;)t=t.nextSibling,o=Ls(t)}o||(o=this._getStoredAttributes())}else{const t=this.getFirstRange();for(const i of t){if(i.item.is("element")&&e.isObject(i.item))break;if("text"==i.type){o=i.item.getAttributes();break}}}return o}_fixGraveyardSelection(t,e){const o=e.clone(),i=this._model.schema.getNearestSelectionRange(o),n=this._ranges.indexOf(t);if(this._ranges.splice(n,1),t.detach(),i&&(r=i,this._ranges.every(t=>!r.isEqual(t)))){const t=this._prepareRange(i);this._ranges.splice(n,0,t)}var r}}function Ls(t){return t instanceof fs||t instanceof ms?t.getAttributes():null}class js{constructor(t){this._dispatchers=t}add(t){for(const e of this._dispatchers)t(e);return this}}var Hs=function(t){return eo(t,5)};class Ws extends js{elementToElement(t){return this.add(function(t){return(t=Hs(t)).view=Us(t.view,"container"),e=>{var o;e.on("insert:"+t.model,(o=t.view,(t,e,i)=>{const n=o(e.item,i.writer);if(!n)return;if(!i.consumable.consume(e.item,"insert"))return;const r=i.mapper.toViewPosition(e.range.start);i.mapper.bindElements(e.item,n),i.writer.insert(r,n)}),{priority:t.converterPriority||"normal"})}}(t))}attributeToElement(t){return this.add(function(t){t=Hs(t);let e="attribute:"+(t.model.key?t.model.key:t.model);t.model.name&&(e+=":"+t.model.name);if(t.model.values)for(const e of t.model.values)t.view[e]=Us(t.view[e],"attribute");else t.view=Us(t.view,"attribute");const o=$s(t);return i=>{i.on(e,function(t){return(e,o,i)=>{const n=t(o.attributeOldValue,i.writer),r=t(o.attributeNewValue,i.writer);if(!n&&!r)return;if(!i.consumable.consume(o.item,e.name))return;const s=i.writer,a=s.document.selection;if(o.item instanceof Rs||o.item instanceof Fs)s.wrap(a.getFirstRange(),r);else{let t=i.mapper.toViewRange(o.range);null!==o.attributeOldValue&&n&&(t=s.unwrap(t,n)),null!==o.attributeNewValue&&r&&s.wrap(t,r)}}}(o),{priority:t.converterPriority||"normal"})}}(t))}attributeToAttribute(t){return this.add(function(t){t=Hs(t);let e="attribute:"+(t.model.key?t.model.key:t.model);t.model.name&&(e+=":"+t.model.name);if(t.model.values)for(const e of t.model.values)t.view[e]=Gs(t.view[e]);else t.view=Gs(t.view);const o=$s(t);return i=>{var n;i.on(e,(n=o,(t,e,o)=>{const i=n(e.attributeOldValue,e),r=n(e.attributeNewValue,e);if(!i&&!r)return;if(!o.consumable.consume(e.item,t.name))return;const s=o.mapper.toViewElement(e.item),a=o.writer;if(!s)throw new go.b("conversion-attribute-to-attribute-on-text: Trying to convert text node's attribute with attribute-to-attribute converter.",[e,o]);if(null!==e.attributeOldValue&&i)if("class"==i.key){const t=Array.isArray(i.value)?i.value:[i.value];for(const e of t)a.removeClass(e,s)}else if("style"==i.key){const t=Object.keys(i.value);for(const e of t)a.removeStyle(e,s)}else a.removeAttribute(i.key,s);if(null!==e.attributeNewValue&&r)if("class"==r.key){const t=Array.isArray(r.value)?r.value:[r.value];for(const e of t)a.addClass(e,s)}else if("style"==r.key){const t=Object.keys(r.value);for(const e of t)a.setStyle(e,r.value[e],s)}else a.setAttribute(r.key,r.value,s)}),{priority:t.converterPriority||"normal"})}}(t))}markerToElement(t){return this.add(function(t){return(t=Hs(t)).view=Us(t.view,"ui"),e=>{var o;e.on("addMarker:"+t.model,(o=t.view,(t,e,i)=>{e.isOpening=!0;const n=o(e,i.writer);e.isOpening=!1;const r=o(e,i.writer);if(!n||!r)return;const s=e.markerRange;if(s.isCollapsed&&!i.consumable.consume(s,t.name))return;for(const e of s)if(!i.consumable.consume(e.item,t.name))return;const a=i.mapper,l=i.writer;l.insert(a.toViewPosition(s.start),n),i.mapper.bindElementToMarker(n,e.markerName),s.isCollapsed||(l.insert(a.toViewPosition(s.end),r),i.mapper.bindElementToMarker(r,e.markerName)),t.stop()}),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,(t.view,(t,e,o)=>{const i=o.mapper.markerNameToElements(e.markerName);if(i){for(const t of i)o.mapper.unbindElementFromMarkerName(t,e.markerName),o.writer.clear(o.writer.createRangeOn(t),t);o.writer.clearClonedElementsGroup(e.markerName),t.stop()}}),{priority:t.converterPriority||"normal"})}}(t))}markerToHighlight(t){return this.add(function(t){return e=>{var o;e.on("addMarker:"+t.model,(o=t.view,(t,e,i)=>{if(!e.item)return;if(!(e.item instanceof Rs||e.item instanceof Fs||e.item.is("textProxy")))return;const n=Ks(o,e,i);if(!n)return;if(!i.consumable.consume(e.item,t.name))return;const r=i.writer,s=qs(r,n),a=r.document.selection;if(e.item instanceof Rs||e.item instanceof Fs)r.wrap(a.getFirstRange(),s,a);else{const t=i.mapper.toViewRange(e.range),o=r.wrap(t,s);for(const t of o.getItems())if(t.is("attributeElement")&&t.isSimilar(s)){i.mapper.bindElementToMarker(t,e.markerName);break}}}),{priority:t.converterPriority||"normal"}),e.on("addMarker:"+t.model,function(t){return(e,o,i)=>{if(!o.item)return;if(!(o.item instanceof bs))return;const n=Ks(t,o,i);if(!n)return;if(!i.consumable.test(o.item,e.name))return;const r=i.mapper.toViewElement(o.item);if(r&&r.getCustomProperty("addHighlight")){i.consumable.consume(o.item,e.name);for(const t of Cs._createIn(o.item))i.consumable.consume(t.item,e.name);r.getCustomProperty("addHighlight")(r,n,i.writer),i.mapper.bindElementToMarker(r,o.markerName)}}}(t.view),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,function(t){return(e,o,i)=>{if(o.markerRange.isCollapsed)return;const n=Ks(t,o,i);if(!n)return;const r=qs(i.writer,n),s=i.mapper.markerNameToElements(o.markerName);if(s){for(const t of s)i.mapper.unbindElementFromMarkerName(t,o.markerName),t.is("attributeElement")?i.writer.unwrap(i.writer.createRangeOn(t),r):t.getCustomProperty("removeHighlight")(t,n.id,i.writer);i.writer.clearClonedElementsGroup(o.markerName),e.stop()}}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}}function qs(t,e){const o=t.createAttributeElement("span",e.attributes);return e.classes&&o._addClass(e.classes),e.priority&&(o._priority=e.priority),o._id=e.id,o}function Us(t,e){return"function"==typeof t?t:(o,i)=>function(t,e,o){"string"==typeof t&&(t={name:t});let i;const n=Object.assign({},t.attributes);if("container"==o)i=e.createContainerElement(t.name,n);else if("attribute"==o){const o={priority:t.priority||an.DEFAULT_PRIORITY};i=e.createAttributeElement(t.name,n,o)}else i=e.createUIElement(t.name,n);if(t.styles){const o=Object.keys(t.styles);for(const n of o)e.setStyle(n,t.styles[n],i)}if(t.classes){const o=t.classes;if("string"==typeof o)e.addClass(o,i);else for(const t of o)e.addClass(t,i)}return i}(t,i,e)}function $s(t){return t.model.values?(e,o)=>{const i=t.view[e];return i?i(e,o):null}:t.view}function Gs(t){return"string"==typeof t?e=>({key:t,value:e}):"object"==typeof t?t.value?()=>t:e=>({key:t.key,value:e}):t}function Ks(t,e,o){const i="function"==typeof t?t(e,o):t;return i?(i.priority||(i.priority=10),i.id||(i.id=e.markerName),i):null}class Js extends js{elementToElement(t){return this.add(Ys(t))}elementToAttribute(t){return this.add(function(t){Xs(t=Hs(t));const e=Zs(t,!1),o=Qs(t.view),i=o?"element:"+o:"element";return o=>{o.on(i,e,{priority:t.converterPriority||"low"})}}(t))}attributeToAttribute(t){return this.add(function(t){t=Hs(t);let e=null;("string"==typeof t.view||t.view.key)&&(e=function(t){"string"==typeof t.view&&(t.view={key:t.view});const e=t.view.key;let o;if("class"==e||"style"==e){o={["class"==e?"classes":"styles"]:t.view.value}}else{const i=void 0===t.view.value?/[\s\S]*/:t.view.value;o={attributes:{[e]:i}}}t.view.name&&(o.name=t.view.name);return t.view=o,e}(t));Xs(t,e);const o=Zs(t,!0);return e=>{e.on("element",o,{priority:t.converterPriority||"low"})}}(t))}elementToMarker(t){return this.add(function(t){return function(t){const e=t.model;t.model=(t,o)=>{const i="string"==typeof e?e:e(t);return o.createElement("$marker",{"data-name":i})}}(t=Hs(t)),Ys(t)}(t))}}function Ys(t){const e=function(t){const e=t.view?new Fo(t.view):null;return(o,i,n)=>{let r={};if(e){const t=e.match(i.viewItem);if(!t)return;r=t.match}r.name=!0;const s=(a=t.model,l=i.viewItem,c=n.writer,a instanceof Function?a(l,c):c.createElement(a));var a,l,c;if(!s)return;if(!n.consumable.test(i.viewItem,r))return;const d=n.splitToAllowedParent(s,i.modelCursor);if(!d)return;n.writer.insert(s,d.position),n.convertChildren(i.viewItem,n.writer.createPositionAt(s,0)),n.consumable.consume(i.viewItem,r);const h=n.getSplitParts(s);i.modelRange=new Cs(n.writer.createPositionBefore(s),n.writer.createPositionAfter(h[h.length-1])),d.cursorParent?i.modelCursor=n.writer.createPositionAt(d.cursorParent,0):i.modelCursor=i.modelRange.end}}(t=Hs(t)),o=Qs(t.view),i=o?"element:"+o:"element";return o=>{o.on(i,e,{priority:t.converterPriority||"normal"})}}function Qs(t){return"string"==typeof t?t:"object"==typeof t&&"string"==typeof t.name?t.name:null}function Xs(t,e=null){const o=null===e||(t=>t.getAttribute(e)),i="object"!=typeof t.model?t.model:t.model.key,n="object"!=typeof t.model||void 0===t.model.value?o:t.model.value;t.model={key:i,value:n}}function Zs(t,e){const o=new Fo(t.view);return(i,n,r)=>{const s=o.match(n.viewItem);if(!s)return;const a=t.model.key,l="function"==typeof t.model.value?t.model.value(n.viewItem):t.model.value;if(null===l)return;if(!function(t,e){const o="function"==typeof t?t(e):t;if("object"==typeof o&&!Qs(o))return!1;return!o.classes&&!o.attributes&&!o.styles}(t.view,n.viewItem)?delete s.match.name:s.match.name=!0,!r.consumable.test(n.viewItem,s.match))return;n.modelRange||(n=Object.assign(n,r.convertChildren(n.viewItem,n.modelCursor)));(function(t,e,o,i){let n=!1;for(const r of Array.from(t.getItems({shallow:o})))i.schema.checkAttribute(r,e.key)&&(i.writer.setAttribute(e.key,e.value,r),n=!0);return n})(n.modelRange,{key:a,value:l},e,r)&&r.consumable.consume(n.viewItem,s.match)}}class ta{constructor(t,e){this.model=t,this.view=new us(e),this.mapper=new As,this.downcastDispatcher=new Ss({mapper:this.mapper});const o=this.model.document,i=o.selection,n=this.model.markers;this.listenTo(this.model,"_beforeChanges",()=>{this.view._disableRendering(!0)},{priority:"highest"}),this.listenTo(this.model,"_afterChanges",()=>{this.view._disableRendering(!1)},{priority:"lowest"}),this.listenTo(o,"change",()=>{this.view.change(t=>{this.downcastDispatcher.convertChanges(o.differ,n,t),this.downcastDispatcher.convertSelection(i,n,t)})},{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(t,e){return(o,i)=>{const n=i.newSelection,r=new Rs,s=[];for(const t of n.getRanges())s.push(e.toModelRange(t));r.setTo(s,{backward:n.isBackward}),r.isEqual(t.document.selection)||t.change(t=>{t.setSelection(r)})}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",(t,e,o)=>{if(!o.consumable.consume(e.item,"insert"))return;const i=o.writer,n=o.mapper.toViewPosition(e.range.start),r=i.createText(e.item.data);i.insert(n,r)},{priority:"lowest"}),this.downcastDispatcher.on("remove",(t,e,o)=>{const i=o.mapper.toViewPosition(e.position),n=e.position.getShiftedBy(e.length),r=o.mapper.toViewPosition(n,{isPhantom:!0}),s=o.writer.createRange(i,r),a=o.writer.remove(s.getTrimmed());for(const t of o.writer.createRangeIn(a).getItems())o.mapper.unbindViewElement(t)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,o)=>{const i=o.writer,n=i.document.selection;for(const t of n.getRanges())t.isCollapsed&&t.end.parent.isAttached()&&o.writer.mergeAttributes(t.start);i.setSelection(null)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,o)=>{const i=e.selection;if(i.isCollapsed)return;if(!o.consumable.consume(i,"selection"))return;const n=[];for(const t of i.getRanges()){const e=o.mapper.toViewRange(t);n.push(e)}o.writer.setSelection(n,{backward:i.isBackward})},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,o)=>{const i=e.selection;if(!i.isCollapsed)return;if(!o.consumable.consume(i,"selection"))return;const n=o.writer,r=i.getFirstPosition(),s=o.mapper.toViewPosition(r),a=n.breakAttributes(s);n.setSelection(a)},{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using(t=>{if("$graveyard"==t.rootName)return null;const e=new Qi(this.view.document,t.name);return e.rootName=t.rootName,this.mapper.bindElements(t,e),e})}destroy(){this.view.destroy(),this.stopListening()}}Co(ta,Wi);class ea{constructor(){this._commands=new Map}add(t,e){this._commands.set(t,e)}get(t){return this._commands.get(t)}execute(t,...e){const o=this.get(t);if(!o)throw new go.b("commandcollection-command-not-found: Command does not exist.",this,{commandName:t});o.execute(...e)}*names(){yield*this._commands.keys()}*commands(){yield*this._commands.values()}[Symbol.iterator](){return this._commands[Symbol.iterator]()}destroy(){for(const t of this.commands())t.destroy()}}class oa{constructor(){this._consumables=new Map}add(t,e){let o;t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):(this._consumables.has(t)?o=this._consumables.get(t):(o=new ia(t),this._consumables.set(t,o)),o.add(e))}test(t,e){const o=this._consumables.get(t);return void 0===o?null:t.is("text")||t.is("documentFragment")?o:o.test(e)}consume(t,e){return!!this.test(t,e)&&(t.is("text")||t.is("documentFragment")?this._consumables.set(t,!1):this._consumables.get(t).consume(e),!0)}revert(t,e){const o=this._consumables.get(t);void 0!==o&&(t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):o.revert(e))}static consumablesFromElement(t){const e={element:t,name:!0,attributes:[],classes:[],styles:[]},o=t.getAttributeKeys();for(const t of o)"style"!=t&&"class"!=t&&e.attributes.push(t);const i=t.getClassNames();for(const t of i)e.classes.push(t);const n=t.getStyleNames();for(const t of n)e.styles.push(t);return e}static createFrom(t,e){if(e||(e=new oa(t)),t.is("text"))return e.add(t),e;t.is("element")&&e.add(t,oa.consumablesFromElement(t)),t.is("documentFragment")&&e.add(t);for(const o of t.getChildren())e=oa.createFrom(o,e);return e}}class ia{constructor(t){this.element=t,this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._add(e,t[e])}test(t){if(t.name&&!this._canConsumeName)return this._canConsumeName;for(const e in this._consumables)if(e in t){const o=this._test(e,t[e]);if(!0!==o)return o}return!0}consume(t){t.name&&(this._canConsumeName=!1);for(const e in this._consumables)e in t&&this._consume(e,t[e])}revert(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._revert(e,t[e])}_add(t,e){const o=Bt(e)?e:[e],i=this._consumables[t];for(const e of o){if("attributes"===t&&("class"===e||"style"===e))throw new go.b("viewconsumable-invalid-attribute: Classes and styles should be handled separately.",this);if(i.set(e,!0),"styles"===t)for(const t of this.element.document.stylesProcessor.getRelatedStyles(e))i.set(t,!0)}}_test(t,e){const o=Bt(e)?e:[e],i=this._consumables[t];for(const e of o)if("attributes"!==t||"class"!==e&&"style"!==e){const t=i.get(e);if(void 0===t)return null;if(!t)return!1}else{const t="class"==e?"classes":"styles",o=this._test(t,[...this._consumables[t].keys()]);if(!0!==o)return o}return!0}_consume(t,e){const o=Bt(e)?e:[e],i=this._consumables[t];for(const e of o)if("attributes"!==t||"class"!==e&&"style"!==e){if(i.set(e,!1),"styles"==t)for(const t of this.element.document.stylesProcessor.getRelatedStyles(e))i.set(t,!1)}else{const t="class"==e?"classes":"styles";this._consume(t,[...this._consumables[t].keys()])}}_revert(t,e){const o=Bt(e)?e:[e],i=this._consumables[t];for(const e of o)if("attributes"!==t||"class"!==e&&"style"!==e){!1===i.get(e)&&i.set(e,!0)}else{const t="class"==e?"classes":"styles";this._revert(t,[...this._consumables[t].keys()])}}}class na{constructor(){this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",(t,e)=>{e[0]=new ra(e[0])},{priority:"highest"}),this.on("checkChild",(t,e)=>{e[0]=new ra(e[0]),e[1]=this.getDefinition(e[1])},{priority:"highest"})}register(t,e){if(this._sourceDefinitions[t])throw new go.b("schema-cannot-register-item-twice: A single item cannot be registered twice in the schema.",this,{itemName:t});this._sourceDefinitions[t]=[Object.assign({},e)],this._clearCache()}extend(t,e){if(!this._sourceDefinitions[t])throw new go.b("schema-cannot-extend-missing-item: Cannot extend an item which was not registered yet.",this,{itemName:t});this._sourceDefinitions[t].push(Object.assign({},e)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(t){let e;return e="string"==typeof t?t:t.is&&(t.is("text")||t.is("textProxy"))?"$text":t.name,this.getDefinitions()[e]}isRegistered(t){return!!this.getDefinition(t)}isBlock(t){const e=this.getDefinition(t);return!(!e||!e.isBlock)}isLimit(t){const e=this.getDefinition(t);return!!e&&!(!e.isLimit&&!e.isObject)}isObject(t){const e=this.getDefinition(t);return!(!e||!e.isObject)}isInline(t){const e=this.getDefinition(t);return!(!e||!e.isInline)}checkChild(t,e){return!!e&&this._checkContextMatch(e,t)}checkAttribute(t,e){const o=this.getDefinition(t.last);return!!o&&o.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof _s){const e=t.nodeBefore,o=t.nodeAfter;if(!(e instanceof bs))throw new go.b("schema-check-merge-no-element-before: The node before the merge position must be an element.",this);if(!(o instanceof bs))throw new go.b("schema-check-merge-no-element-after: The node after the merge position must be an element.",this);return this.checkMerge(e,o)}for(const o of e.getChildren())if(!this.checkChild(t,o))return!1;return!0}addChildCheck(t){this.on("checkChild",(e,[o,i])=>{if(!i)return;const n=t(o,i);"boolean"==typeof n&&(e.stop(),e.return=n)},{priority:"high"})}addAttributeCheck(t){this.on("checkAttribute",(e,[o,i])=>{const n=t(o,i);"boolean"==typeof n&&(e.stop(),e.return=n)},{priority:"high"})}setAttributeProperties(t,e){this._attributeProperties[t]=Object.assign(this.getAttributeProperties(t),e)}getAttributeProperties(t){return this._attributeProperties[t]||{}}getLimitElement(t){let e;if(t instanceof _s)e=t.parent;else{e=(t instanceof Cs?[t]:Array.from(t.getRanges())).reduce((t,e)=>{const o=e.getCommonAncestor();return t?t.getCommonAncestor(o,{includeSelf:!0}):o},null)}for(;!this.isLimit(e)&&e.parent;)e=e.parent;return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const o=[...t.getFirstPosition().getAncestors(),new ms("",t.getAttributes())];return this.checkAttribute(o,e)}{const o=t.getRanges();for(const t of o)for(const o of t)if(this.checkAttribute(o.item,e))return!0}return!1}*getValidRanges(t,e){t=function*(t){for(const e of t)yield*e.getMinimalFlatRanges()}(t);for(const o of t)yield*this._getValidRangesForRange(o,e)}getNearestSelectionRange(t,e="both"){if(this.checkChild(t,"$text"))return new Cs(t);let o,i;const n=t.getAncestors().reverse().find(t=>this.isLimit(t))||t.root;"both"!=e&&"backward"!=e||(o=new ws({boundaries:Cs._createIn(n),startPosition:t,direction:"backward"})),"both"!=e&&"forward"!=e||(i=new ws({boundaries:Cs._createIn(n),startPosition:t}));for(const t of function*(t,e){let o=!1;for(;!o;){if(o=!0,t){const e=t.next();e.done||(o=!1,yield{walker:t,value:e.value})}if(e){const t=e.next();t.done||(o=!1,yield{walker:e,value:t.value})}}}(o,i)){const e=t.walker==o?"elementEnd":"elementStart",i=t.value;if(i.type==e&&this.isObject(i.item))return Cs._createOn(i.item);if(this.checkChild(i.nextPosition,"$text"))return new Cs(i.nextPosition)}return null}findAllowedParent(t,e){let o=t.parent;for(;o;){if(this.checkChild(o,e))return o;if(this.isLimit(o))return null;o=o.parent}return null}removeDisallowedAttributes(t,e){for(const o of t)if(o.is("text"))pa(this,o,e);else{const t=Cs._createIn(o).getPositions();for(const o of t){pa(this,o.nodeBefore||o.parent,e)}}}createContext(t){return new ra(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={},e=this._sourceDefinitions,o=Object.keys(e);for(const i of o)t[i]=sa(e[i],i);for(const e of o)aa(t,e);for(const e of o)la(t,e);for(const e of o)ca(t,e),da(t,e);for(const e of o)ha(t,e),ua(t,e);this._compiledDefinitions=t}_checkContextMatch(t,e,o=e.length-1){const i=e.getItem(o);if(t.allowIn.includes(i.name)){if(0==o)return!0;{const t=this.getDefinition(i);return this._checkContextMatch(t,e,o-1)}}return!1}*_getValidRangesForRange(t,e){let o=t.start,i=t.start;for(const n of t.getItems({shallow:!0}))n.is("element")&&(yield*this._getValidRangesForRange(Cs._createIn(n),e)),this.checkAttribute(n,e)||(o.isEqual(i)||(yield new Cs(o,i)),o=_s._createAfter(n)),i=_s._createAfter(n);o.isEqual(i)||(yield new Cs(o,i))}}Co(na,Wi);class ra{constructor(t){if(t instanceof ra)return t;"string"==typeof t?t=[t]:Array.isArray(t)||(t=t.getAncestors({includeSelf:!0})),t[0]&&"string"!=typeof t[0]&&t[0].is("documentFragment")&&t.shift(),this._items=t.map(fa)}get length(){return this._items.length}get last(){return this._items[this._items.length-1]}[Symbol.iterator](){return this._items[Symbol.iterator]()}push(t){const e=new ra([t]);return e._items=[...this._items,...e._items],e}getItem(t){return this._items[t]}*getNames(){yield*this._items.map(t=>t.name)}endsWith(t){return Array.from(this.getNames()).join(" ").endsWith(t)}startsWith(t){return Array.from(this.getNames()).join(" ").startsWith(t)}}function sa(t,e){const o={name:e,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};return function(t,e){for(const o of t){const t=Object.keys(o).filter(t=>t.startsWith("is"));for(const i of t)e[i]=o[i]}}(t,o),ga(t,o,"allowIn"),ga(t,o,"allowContentOf"),ga(t,o,"allowWhere"),ga(t,o,"allowAttributes"),ga(t,o,"allowAttributesOf"),ga(t,o,"inheritTypesFrom"),function(t,e){for(const o of t){const t=o.inheritAllFrom;t&&(e.allowContentOf.push(t),e.allowWhere.push(t),e.allowAttributesOf.push(t),e.inheritTypesFrom.push(t))}}(t,o),o}function aa(t,e){for(const o of t[e].allowContentOf)if(t[o]){ma(t,o).forEach(t=>{t.allowIn.push(e)})}delete t[e].allowContentOf}function la(t,e){for(const o of t[e].allowWhere){const i=t[o];if(i){const o=i.allowIn;t[e].allowIn.push(...o)}}delete t[e].allowWhere}function ca(t,e){for(const o of t[e].allowAttributesOf){const i=t[o];if(i){const o=i.allowAttributes;t[e].allowAttributes.push(...o)}}delete t[e].allowAttributesOf}function da(t,e){const o=t[e];for(const e of o.inheritTypesFrom){const i=t[e];if(i){const t=Object.keys(i).filter(t=>t.startsWith("is"));for(const e of t)e in o||(o[e]=i[e])}}delete o.inheritTypesFrom}function ha(t,e){const o=t[e],i=o.allowIn.filter(e=>t[e]);o.allowIn=Array.from(new Set(i))}function ua(t,e){const o=t[e];o.allowAttributes=Array.from(new Set(o.allowAttributes))}function ga(t,e,o){for(const i of t)"string"==typeof i[o]?e[o].push(i[o]):Array.isArray(i[o])&&e[o].push(...i[o])}function ma(t,e){const o=t[e];return(i=t,Object.keys(i).map(t=>i[t])).filter(t=>t.allowIn.includes(o.name));var i}function fa(t){return"string"==typeof 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o}(o,e),this.conversionApi.writer=e,this.conversionApi.consumable=oa.createFrom(t),this.conversionApi.store={};const{modelRange:i}=this._convertItem(t,this._modelCursor),n=e.createDocumentFragment();if(i){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren()))e.append(t,n);n.markers=function(t,e){const o=new Set,i=new Map,n=Cs._createIn(t).getItems();for(const t of n)"$marker"==t.name&&o.add(t);for(const t of o){const o=t.getAttribute("data-name"),n=e.createPositionBefore(t);i.has(o)?i.get(o).end=n.clone():i.set(o,new Cs(n.clone())),e.remove(t)}return i}(n,e)}return this._modelCursor=null,this._splitParts.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,n}_convertItem(t,e){const o=Object.assign({viewItem:t,modelCursor:e,modelRange:null});if(t.is("element")?this.fire("element:"+t.name,o,this.conversionApi):t.is("text")?this.fire("text",o,this.conversionApi):this.fire("documentFragment",o,this.conversionApi),o.modelRange&&!(o.modelRange instanceof Cs))throw new go.b("view-conversion-dispatcher-incorrect-result: Incorrect conversion result was dropped.",this);return{modelRange:o.modelRange,modelCursor:o.modelCursor}}_convertChildren(t,e){const o=new Cs(e);let i=e;for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,i);t.modelRange instanceof Cs&&(o.end=t.modelRange.end,i=t.modelCursor)}return{modelRange:o,modelCursor:i}}_splitToAllowedParent(t,e){const o=this.conversionApi.schema.findAllowedParent(e,t);if(!o)return null;if(o===e.parent)return{position:e};if(this._modelCursor.parent.getAncestors().includes(o))return null;const i=this.conversionApi.writer.split(e,o),n=[];for(const t of i.range.getWalker())if("elementEnd"==t.type)n.push(t.item);else{const e=n.pop(),o=t.item;this._registerSplitPair(e,o)}return{position:i.position,cursorParent:i.range.end.parent}}_registerSplitPair(t,e){this._splitParts.has(t)||this._splitParts.set(t,[t]);const o=this._splitParts.get(t);this._splitParts.set(e,o),o.push(e)}_getSplitParts(t){let e;return e=this._splitParts.has(t)?this._splitParts.get(t):[t],e}_removeEmptyElements(){let t=!1;for(const e of this._splitParts.keys())e.isEmpty&&(this.conversionApi.writer.remove(e),this._splitParts.delete(e),t=!0);t&&this._removeEmptyElements()}}Co(ba,po);class wa{constructor(t,e){this.model=t,this.stylesProcessor=e,this.processor,this.mapper=new As,this.downcastDispatcher=new Ss({mapper:this.mapper}),this.downcastDispatcher.on("insert:$text",(t,e,o)=>{if(!o.consumable.consume(e.item,"insert"))return;const i=o.writer,n=o.mapper.toViewPosition(e.range.start),r=i.createText(e.item.data);i.insert(n,r)},{priority:"lowest"}),this.upcastDispatcher=new ba({schema:t.schema}),this.viewDocument=new sn(e),this._viewWriter=new An(this.viewDocument),this.upcastDispatcher.on("text",(t,e,o)=>{if(o.schema.checkChild(e.modelCursor,"$text")&&o.consumable.consume(e.viewItem)){const t=o.writer.createText(e.viewItem.data);o.writer.insert(t,e.modelCursor),e.modelRange=Cs._createFromPositionAndShift(e.modelCursor,t.offsetSize),e.modelCursor=e.modelRange.end}},{priority:"lowest"}),this.upcastDispatcher.on("element",(t,e,o)=>{if(!e.modelRange&&o.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:i}=o.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=i}},{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",(t,e,o)=>{if(!e.modelRange&&o.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:i}=o.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=i}},{priority:"lowest"}),this.decorate("init"),this.on("init",()=>{this.fire("ready")},{priority:"lowest"})}get(t){const{rootName:e="main",trim:o="empty"}=t||{};if(!this._checkIfRootsExists([e]))throw new go.b("datacontroller-get-non-existent-root: Attempting to get data from a non-existing root.",this);const i=this.model.document.getRoot(e);return"empty"!==o||this.model.hasContent(i,{ignoreWhitespaces:!0})?this.stringify(i):""}stringify(t){const e=this.toView(t);return this.processor.toData(e)}toView(t){const e=this.viewDocument,o=this._viewWriter;this.mapper.clearBindings();const i=Cs._createIn(t),n=new Cn(e);if(this.mapper.bindElements(t,n),this.downcastDispatcher.convertInsert(i,o),!t.is("documentFragment")){const e=function(t){const e=[],o=t.root.document;if(!o)return[];const i=Cs._createIn(t);for(const t of o.model.markers){const o=i.getIntersection(t.getRange());o&&e.push([t.name,o])}return e}(t);for(const[t,i]of e)this.downcastDispatcher.convertMarkerAdd(t,i,o)}return n}init(t){if(this.model.document.version)throw new go.b("datacontroller-init-document-not-empty: Trying to set initial data to not empty document.",this);let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new go.b("datacontroller-init-non-existent-root: Attempting to init data on a non-existing root.",this);return this.model.enqueueChange("transparent",t=>{for(const o of Object.keys(e)){const i=this.model.document.getRoot(o);t.insert(this.parse(e[o],i),i,0)}}),Promise.resolve()}set(t){let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new go.b("datacontroller-set-non-existent-root: Attempting to set data on a non-existing root.",this);this.model.enqueueChange("transparent",t=>{t.setSelection(null),t.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const o of Object.keys(e)){const i=this.model.document.getRoot(o);t.remove(t.createRangeIn(i)),t.insert(this.parse(e[o],i),i,0)}})}parse(t,e="$root"){const o=this.processor.toView(t);return this.toModel(o,e)}toModel(t,e="$root"){return this.model.change(o=>this.upcastDispatcher.convert(t,o,e))}addStyleProcessorRules(t){t(this.stylesProcessor)}destroy(){this.stopListening()}_checkIfRootsExists(t){for(const e of t)if(!this.model.document.getRootNames().includes(e))return!1;return!0}}Co(wa,Wi);class ka{constructor(t,e){this._helpers=new Map,this._downcast=Array.isArray(t)?t:[t],this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=Array.isArray(e)?e:[e],this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(t,e){const o=this._downcast.includes(e);if(!this._upcast.includes(e)&&!o)throw new go.b("conversion-add-alias-dispatcher-not-registered: Trying to register and alias for a dispatcher that nas not been registered.",this);this._createConversionHelpers({name:t,dispatchers:[e],isDowncast:o})}for(t){if(!this._helpers.has(t))throw new go.b("conversion-for-unknown-group: Trying to add a converter to an unknown dispatchers group.",this);return this._helpers.get(t)}elementToElement(t){this.for("downcast").elementToElement(t);for(const{model:e,view:o}of _a(t))this.for("upcast").elementToElement({model:e,view:o,converterPriority:t.converterPriority})}attributeToElement(t){this.for("downcast").attributeToElement(t);for(const{model:e,view:o}of _a(t))this.for("upcast").elementToAttribute({view:o,model:e,converterPriority:t.converterPriority})}attributeToAttribute(t){this.for("downcast").attributeToAttribute(t);for(const{model:e,view:o}of _a(t))this.for("upcast").attributeToAttribute({view:o,model:e})}_createConversionHelpers({name:t,dispatchers:e,isDowncast:o}){if(this._helpers.has(t))throw new go.b("conversion-group-exists: Trying to register a group name that has already been registered.",this);const i=o?new Ws(e):new Js(e);this._helpers.set(t,i)}}function*_a(t){if(t.model.values)for(const e of t.model.values){const o={key:t.model.key,value:e},i=t.view[e],n=t.upcastAlso?t.upcastAlso[e]:void 0;yield*va(o,i,n)}else yield*va(t.model,t.view,t.upcastAlso)}function*va(t,e,o){if(yield{model:t,view:e},o){o=Array.isArray(o)?o:[o];for(const e of o)yield{model:t,view:e}}}class ya{constructor(t="default"){this.operations=[],this.type=t}get baseVersion(){for(const t of this.operations)if(null!==t.baseVersion)return t.baseVersion;return null}addOperation(t){return t.batch=this,this.operations.push(t),t}}class xa{constructor(t){this.baseVersion=t,this.isDocumentOperation=null!==this.baseVersion,this.batch=null}_validate(){}toJSON(){const t=Object.assign({},this);return t.__className=this.constructor.className,delete t.batch,delete t.isDocumentOperation,t}static get className(){return"Operation"}static fromJSON(t){return new this(t.baseVersion)}}class Ca{constructor(t){this.markers=new Map,this._children=new ps,t&&this._insertChild(0,t)}[Symbol.iterator](){return this.getChildren()}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"===t||"model:documentFragment"===t}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}getPath(){return[]}getNodeByPath(t){let e=this;for(const o of t)e=e.getChild(e.offsetToIndex(o));return e}offsetToIndex(t){return this._children.offsetToIndex(t)}toJSON(){const t=[];for(const e of this._children)t.push(e.toJSON());return t}static fromJSON(t){const e=[];for(const o of t)o.name?e.push(bs.fromJSON(o)):e.push(ms.fromJSON(o));return new Ca(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const o=function(t){if("string"==typeof t)return[new ms(t)];xo(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new ms(t):t instanceof fs?new ms(t.data,t.getAttributes()):t)}(e);for(const t of o)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,o)}_removeChildren(t,e=1){const o=this._children._removeNodes(t,e);for(const t of o)t.parent=null;return o}}function Aa(t,e){const o=(e=Sa(e)).reduce((t,e)=>t+e.offsetSize,0),i=t.parent;Ra(t);const n=t.index;return i._insertChild(n,e),Ea(i,n+e.length),Ea(i,n),new Cs(t,t.getShiftedBy(o))}function Ta(t){if(!t.isFlat)throw new go.b("operation-utils-remove-range-not-flat: Trying to remove a range which starts and ends in different element.",this);const e=t.start.parent;Ra(t.start),Ra(t.end);const o=e._removeChildren(t.start.index,t.end.index-t.start.index);return Ea(e,t.start.index),o}function Pa(t,e){if(!t.isFlat)throw new go.b("operation-utils-move-range-not-flat: Trying to move a range which starts and ends in different element.",this);const o=Ta(t);return Aa(e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset),o)}function Sa(t){const e=[];t instanceof Array||(t=[t]);for(let o=0;o<t.length;o++)if("string"==typeof t[o])e.push(new ms(t[o]));else if(t[o]instanceof fs)e.push(new ms(t[o].data,t[o].getAttributes()));else if(t[o]instanceof Ca||t[o]instanceof ps)for(const i of t[o])e.push(i);else t[o]instanceof gs&&e.push(t[o]);for(let t=1;t<e.length;t++){const o=e[t],i=e[t-1];o instanceof ms&&i instanceof ms&&Ia(o,i)&&(e.splice(t-1,2,new ms(i.data+o.data,i.getAttributes())),t--)}return e}function Ea(t,e){const o=t.getChild(e-1),i=t.getChild(e);if(o&&i&&o.is("text")&&i.is("text")&&Ia(o,i)){const n=new ms(o.data+i.data,o.getAttributes());t._removeChildren(e-1,2),t._insertChild(e-1,n)}}function Ra(t){const e=t.textNode,o=t.parent;if(e){const i=t.offset-e.startOffset,n=e.index;o._removeChildren(n,1);const r=new ms(e.data.substr(0,i),e.getAttributes()),s=new ms(e.data.substr(i),e.getAttributes());o._insertChild(n,[r,s])}}function Ia(t,e){const o=t.getAttributes(),i=e.getAttributes();for(const t of o){if(t[1]!==e.getAttribute(t[0]))return!1;i.next()}return i.next().done}var Va=function(t,e){return Er(t,e)};class Oa extends xa{constructor(t,e,o,i,n){super(n),this.range=t.clone(),this.key=e,this.oldValue=void 0===o?null:o,this.newValue=void 0===i?null:i}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}clone(){return new Oa(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Oa(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}toJSON(){const t=super.toJSON();return t.range=this.range.toJSON(),t}_validate(){if(!this.range.isFlat)throw new go.b("attribute-operation-range-not-flat: The range to change is not flat.",this);for(const t of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!Va(t.getAttribute(this.key),this.oldValue))throw new go.b("attribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",this,{item:t,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&t.hasAttribute(this.key))throw new go.b("attribute-operation-attribute-exists: The attribute with given key already exists.",this,{node:t,key:this.key})}}_execute(){Va(this.oldValue,this.newValue)||function(t,e,o){Ra(t.start),Ra(t.end);for(const i of t.getItems({shallow:!0})){const t=i.is("textProxy")?i.textNode:i;null!==o?t._setAttribute(e,o):t._removeAttribute(e),Ea(t.parent,t.index)}Ea(t.end.parent,t.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(t,e){return new Oa(Cs.fromJSON(t.range,e),t.key,t.oldValue,t.newValue,t.baseVersion)}}class Ma extends xa{constructor(t,e){super(null),this.sourcePosition=t.clone(),this.howMany=e}get type(){return"detach"}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t}_validate(){if(this.sourcePosition.root.document)throw new go.b("detach-operation-on-document-node: Cannot detach document node.",this)}_execute(){Ta(Cs._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class Na extends xa{constructor(t,e,o,i){super(i),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toNext",this.howMany=e,this.targetPosition=o.clone(),this.targetPosition.stickiness="toNone"}get type(){return"$graveyard"==this.targetPosition.root.rootName?"remove":"$graveyard"==this.sourcePosition.root.rootName?"reinsert":"move"}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.baseVersion)}getMovedRangeStart(){return this.targetPosition._getTransformedByDeletion(this.sourcePosition,this.howMany)}getReversed(){const t=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new this.constructor(this.getMovedRangeStart(),this.howMany,t,this.baseVersion+1)}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent,o=this.sourcePosition.offset,i=this.targetPosition.offset;if(o+this.howMany>t.maxOffset)throw new go.b("move-operation-nodes-do-not-exist: The nodes which should be moved do not exist.",this);if(t===e&&o<i&&i<o+this.howMany)throw new go.b("move-operation-range-into-itself: Trying to move a range of nodes to the inside of that range.",this);if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==Vo(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const t=this.sourcePosition.path.length-1;if(this.targetPosition.path[t]>=o&&this.targetPosition.path[t]<o+this.howMany)throw new go.b("move-operation-node-into-itself: Trying to move a range of nodes into one of nodes from that range.",this)}}_execute(){Pa(Cs._createFromPositionAndShift(this.sourcePosition,this.howMany),this.targetPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t.targetPosition=this.targetPosition.toJSON(),t}static get className(){return"MoveOperation"}static fromJSON(t,e){const o=_s.fromJSON(t.sourcePosition,e),i=_s.fromJSON(t.targetPosition,e);return new this(o,t.howMany,i,t.baseVersion)}}class Ba extends xa{constructor(t,e,o){super(o),this.position=t.clone(),this.position.stickiness="toNone",this.nodes=new ps(Sa(e)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}clone(){const t=new ps([...this.nodes].map(t=>t._clone(!0))),e=new Ba(this.position,t,this.baseVersion);return e.shouldReceiveAttributes=this.shouldReceiveAttributes,e}getReversed(){const t=this.position.root.document.graveyard,e=new _s(t,[0]);return new Na(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffset<this.position.offset)throw new go.b("insert-operation-position-invalid: Insertion position is invalid.",this)}_execute(){const t=this.nodes;this.nodes=new ps([...t].map(t=>t._clone(!0))),Aa(this.position,t)}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t.nodes=this.nodes.toJSON(),t}static get className(){return"InsertOperation"}static fromJSON(t,e){const o=[];for(const e of t.nodes)e.name?o.push(bs.fromJSON(e)):o.push(ms.fromJSON(e));const i=new Ba(_s.fromJSON(t.position,e),o,t.baseVersion);return i.shouldReceiveAttributes=t.shouldReceiveAttributes,i}}class za extends xa{constructor(t,e,o,i,n,r){super(r),this.name=t,this.oldRange=e?e.clone():null,this.newRange=o?o.clone():null,this.affectsData=n,this._markers=i}get type(){return"marker"}clone(){return new za(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new za(this.name,this.newRange,this.oldRange,this._markers,this.affectsData,this.baseVersion+1)}_execute(){const t=this.newRange?"_set":"_remove";this._markers[t](this.name,this.newRange,!0,this.affectsData)}toJSON(){const t=super.toJSON();return this.oldRange&&(t.oldRange=this.oldRange.toJSON()),this.newRange&&(t.newRange=this.newRange.toJSON()),delete t._markers,t}static get className(){return"MarkerOperation"}static fromJSON(t,e){return new za(t.name,t.oldRange?Cs.fromJSON(t.oldRange,e):null,t.newRange?Cs.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class Fa extends xa{constructor(t,e,o,i){super(i),this.position=t,this.position.stickiness="toNext",this.oldName=e,this.newName=o}get type(){return"rename"}clone(){return new Fa(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new Fa(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof bs))throw new go.b("rename-operation-wrong-position: Given position is invalid or node after it is not an instance of Element.",this);if(t.name!==this.oldName)throw new go.b("rename-operation-wrong-name: Element to change has different name than operation's old name.",this)}_execute(){this.position.nodeAfter.name=this.newName}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t}static get className(){return"RenameOperation"}static fromJSON(t,e){return new Fa(_s.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class Da extends xa{constructor(t,e,o,i,n){super(n),this.root=t,this.key=e,this.oldValue=o,this.newValue=i}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}clone(){return new Da(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Da(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new go.b("rootattribute-operation-not-a-root: The element to change is not a root element.",this,{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new go.b("rootattribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",this,{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new go.b("rootattribute-operation-attribute-exists: The attribute with given key already exists.",this,{root:this.root,key:this.key})}_execute(){null!==this.newValue?this.root._setAttribute(this.key,this.newValue):this.root._removeAttribute(this.key)}toJSON(){const t=super.toJSON();return t.root=this.root.toJSON(),t}static get className(){return"RootAttributeOperation"}static fromJSON(t,e){if(!e.getRoot(t.root))throw new go.b("rootattribute-operation-fromjson-no-root: Cannot create RootAttributeOperation. Root with specified name does not exist.",this,{rootName:t.root});return new Da(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class La extends xa{constructor(t,e,o,i,n){super(n),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toPrevious",this.howMany=e,this.targetPosition=o.clone(),this.targetPosition.stickiness="toNext",this.graveyardPosition=i.clone()}get type(){return"merge"}get deletionPosition(){return new _s(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Cs(this.sourcePosition,t)}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const t=this.targetPosition._getTransformedByMergeOperation(this),e=this.sourcePosition.path.slice(0,-1),o=new _s(this.sourcePosition.root,e)._getTransformedByMergeOperation(this),i=new ja(t,this.howMany,this.graveyardPosition,this.baseVersion+1);return i.insertionPosition=o,i}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent;if(!t.parent)throw new go.b("merge-operation-source-position-invalid: Merge source position is invalid.",this);if(!e.parent)throw new go.b("merge-operation-target-position-invalid: Merge target position is invalid.",this);if(this.howMany!=t.maxOffset)throw new go.b("merge-operation-how-many-invalid: Merge operation specifies wrong number of nodes to move.",this)}_execute(){const t=this.sourcePosition.parent;Pa(Cs._createIn(t),this.targetPosition),Pa(Cs._createOn(t),this.graveyardPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=t.sourcePosition.toJSON(),t.targetPosition=t.targetPosition.toJSON(),t.graveyardPosition=t.graveyardPosition.toJSON(),t}static get className(){return"MergeOperation"}static fromJSON(t,e){const o=_s.fromJSON(t.sourcePosition,e),i=_s.fromJSON(t.targetPosition,e),n=_s.fromJSON(t.graveyardPosition,e);return new this(o,t.howMany,i,n,t.baseVersion)}}class ja extends xa{constructor(t,e,o,i){super(i),this.splitPosition=t.clone(),this.splitPosition.stickiness="toNext",this.howMany=e,this.insertionPosition=ja.getInsertionPosition(t),this.insertionPosition.stickiness="toNone",this.graveyardPosition=o?o.clone():null,this.graveyardPosition&&(this.graveyardPosition.stickiness="toNext")}get type(){return"split"}get moveTargetPosition(){const t=this.insertionPosition.path.slice();return t.push(0),new _s(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Cs(this.splitPosition,t)}clone(){const t=new this.constructor(this.splitPosition,this.howMany,this.graveyardPosition,this.baseVersion);return t.insertionPosition=this.insertionPosition,t}getReversed(){const t=this.splitPosition.root.document.graveyard,e=new _s(t,[0]);return new La(this.moveTargetPosition,this.howMany,this.splitPosition,e,this.baseVersion+1)}_validate(){const t=this.splitPosition.parent,e=this.splitPosition.offset;if(!t||t.maxOffset<e)throw new go.b("split-operation-position-invalid: Split position is invalid.",this);if(!t.parent)throw new go.b("split-operation-split-in-root: Cannot split root element.",this);if(this.howMany!=t.maxOffset-this.splitPosition.offset)throw new go.b("split-operation-how-many-invalid: Split operation specifies wrong number of nodes to move.",this);if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new go.b("split-operation-graveyard-position-invalid: Graveyard position invalid.",this)}_execute(){const t=this.splitPosition.parent;if(this.graveyardPosition)Pa(Cs._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const e=t._clone();Aa(this.insertionPosition,e)}Pa(new Cs(_s._createAt(t,this.splitPosition.offset),_s._createAt(t,t.maxOffset)),this.moveTargetPosition)}toJSON(){const t=super.toJSON();return t.splitPosition=this.splitPosition.toJSON(),t.insertionPosition=this.insertionPosition.toJSON(),this.graveyardPosition&&(t.graveyardPosition=this.graveyardPosition.toJSON()),t}static get className(){return"SplitOperation"}static getInsertionPosition(t){const e=t.path.slice(0,-1);return e[e.length-1]++,new _s(t.root,e)}static fromJSON(t,e){const o=_s.fromJSON(t.splitPosition,e),i=_s.fromJSON(t.insertionPosition,e),n=t.graveyardPosition?_s.fromJSON(t.graveyardPosition,e):null,r=new this(o,t.howMany,n,t.baseVersion);return r.insertionPosition=i,r}}class Ha extends bs{constructor(t,e,o="main"){super(e),this._document=t,this.rootName=o}get document(){return this._document}is(t,e){return e?e===this.name&&("rootElement"===t||"model:rootElement"===t||"element"===t||"model:element"===t):"rootElement"===t||"model:rootElement"===t||"element"===t||"model:element"===t||t===this.name||t==="model:"+this.name||"node"===t||"model:node"===t}toJSON(){return this.rootName}}class Wa{constructor(t,e){this.model=t,this.batch=e}createText(t,e){return new ms(t,e)}createElement(t,e){return new bs(t,e)}createDocumentFragment(){return new Ca}insert(t,e,o=0){if(this._assertWriterUsedCorrectly(),t instanceof ms&&""==t.data)return;const i=_s._createAt(e,o);if(t.parent){if(Ka(t.root,i.root))return void this.move(Cs._createOn(t),i);if(t.root.document)throw new go.b("model-writer-insert-forbidden-move: Cannot move a node from a document to a different tree. It is forbidden to move a node that was already in a document outside of it.",this);this.remove(t)}const n=i.root.document?i.root.document.version:null,r=new Ba(i,t,n);if(t instanceof ms&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),t instanceof Ca)for(const[e,o]of t.markers){const t=_s._createAt(o.root,0),n={range:new Cs(o.start._getCombined(t,i),o.end._getCombined(t,i)),usingOperation:!0,affectsData:!0};this.model.markers.has(e)?this.updateMarker(e,n):this.addMarker(e,n)}}insertText(t,e,o,i){e instanceof Ca||e instanceof bs||e instanceof _s?this.insert(this.createText(t),e,o):this.insert(this.createText(t,e),o,i)}insertElement(t,e,o,i){e instanceof Ca||e instanceof bs||e instanceof _s?this.insert(this.createElement(t),e,o):this.insert(this.createElement(t,e),o,i)}append(t,e){this.insert(t,e,"end")}appendText(t,e,o){e instanceof Ca||e instanceof bs?this.insert(this.createText(t),e,"end"):this.insert(this.createText(t,e),o,"end")}appendElement(t,e,o){e instanceof Ca||e instanceof bs?this.insert(this.createElement(t),e,"end"):this.insert(this.createElement(t,e),o,"end")}setAttribute(t,e,o){if(this._assertWriterUsedCorrectly(),o instanceof Cs){const i=o.getMinimalFlatRanges();for(const o of i)qa(this,t,e,o)}else Ua(this,t,e,o)}setAttributes(t,e){for(const[o,i]of zo(t))this.setAttribute(o,i,e)}removeAttribute(t,e){if(this._assertWriterUsedCorrectly(),e instanceof Cs){const o=e.getMinimalFlatRanges();for(const e of o)qa(this,t,null,e)}else Ua(this,t,null,e)}clearAttributes(t){this._assertWriterUsedCorrectly();const e=t=>{for(const e of t.getAttributeKeys())this.removeAttribute(e,t)};if(t instanceof Cs)for(const o of t.getItems())e(o);else e(t)}move(t,e,o){if(this._assertWriterUsedCorrectly(),!(t instanceof Cs))throw new go.b("writer-move-invalid-range: Invalid range to move.",this);if(!t.isFlat)throw new go.b("writer-move-range-not-flat: Range to move is not flat.",this);const i=_s._createAt(e,o);if(i.isEqual(t.start))return;if(this._addOperationForAffectedMarkers("move",t),!Ka(t.root,i.root))throw new go.b("writer-move-different-document: Range is going to be moved between different documents.",this);const n=t.root.document?t.root.document.version:null,r=new Na(t.start,t.end.offset-t.start.offset,i,n);this.batch.addOperation(r),this.model.applyOperation(r)}remove(t){this._assertWriterUsedCorrectly();const e=(t instanceof Cs?t:Cs._createOn(t)).getMinimalFlatRanges().reverse();for(const t of e)this._addOperationForAffectedMarkers("move",t),Ga(t.start,t.end.offset-t.start.offset,this.batch,this.model)}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore,o=t.nodeAfter;if(this._addOperationForAffectedMarkers("merge",t),!(e instanceof bs))throw new go.b("writer-merge-no-element-before: Node before merge position must be an element.",this);if(!(o instanceof bs))throw new go.b("writer-merge-no-element-after: Node after merge position must be an element.",this);t.root.document?this._merge(t):this._mergeDetached(t)}createPositionFromPath(t,e,o){return this.model.createPositionFromPath(t,e,o)}createPositionAt(t,e){return this.model.createPositionAt(t,e)}createPositionAfter(t){return this.model.createPositionAfter(t)}createPositionBefore(t){return this.model.createPositionBefore(t)}createRange(t,e){return this.model.createRange(t,e)}createRangeIn(t){return this.model.createRangeIn(t)}createRangeOn(t){return this.model.createRangeOn(t)}createSelection(t,e,o){return this.model.createSelection(t,e,o)}_mergeDetached(t){const e=t.nodeBefore,o=t.nodeAfter;this.move(Cs._createIn(o),_s._createAt(e,"end")),this.remove(o)}_merge(t){const e=_s._createAt(t.nodeBefore,"end"),o=_s._createAt(t.nodeAfter,0),i=t.root.document.graveyard,n=new _s(i,[0]),r=t.root.document.version,s=new La(o,t.nodeAfter.maxOffset,e,n,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(t,e){if(this._assertWriterUsedCorrectly(),!(t instanceof bs))throw new go.b("writer-rename-not-element-instance: Trying to rename an object which is not an instance of Element.",this);const o=t.root.document?t.root.document.version:null,i=new Fa(_s._createBefore(t),t.name,e,o);this.batch.addOperation(i),this.model.applyOperation(i)}split(t,e){this._assertWriterUsedCorrectly();let o,i,n=t.parent;if(!n.parent)throw new go.b("writer-split-element-no-parent: Element with no parent can not be split.",this);if(e||(e=n.parent),!t.parent.getAncestors({includeSelf:!0}).includes(e))throw new go.b("writer-split-invalid-limit-element: Limit element is not a position ancestor.",this);do{const e=n.root.document?n.root.document.version:null,r=n.maxOffset-t.offset,s=new ja(t,r,null,e);this.batch.addOperation(s),this.model.applyOperation(s),o||i||(o=n,i=t.parent.nextSibling),n=(t=this.createPositionAfter(t.parent)).parent}while(n!==e);return{position:t,range:new Cs(_s._createAt(o,"end"),_s._createAt(i,0))}}wrap(t,e){if(this._assertWriterUsedCorrectly(),!t.isFlat)throw new go.b("writer-wrap-range-not-flat: Range to wrap is not flat.",this);const o=e instanceof bs?e:new bs(e);if(o.childCount>0)throw new go.b("writer-wrap-element-not-empty: Element to wrap with is not empty.",this);if(null!==o.parent)throw new go.b("writer-wrap-element-attached: Element to wrap with is already attached to tree model.",this);this.insert(o,t.start);const i=new Cs(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(i,_s._createAt(o,0))}unwrap(t){if(this._assertWriterUsedCorrectly(),null===t.parent)throw new go.b("writer-unwrap-element-no-parent: Trying to unwrap an element which has no parent.",this);this.move(Cs._createIn(t),this.createPositionAfter(t)),this.remove(t)}addMarker(t,e){if(this._assertWriterUsedCorrectly(),!e||"boolean"!=typeof e.usingOperation)throw new go.b("writer-addMarker-no-usingOperation: The options.usingOperation parameter is required when adding a new marker.",this);const o=e.usingOperation,i=e.range,n=void 0!==e.affectsData&&e.affectsData;if(this.model.markers.has(t))throw new go.b("writer-addMarker-marker-exists: Marker with provided name already exists.",this);if(!i)throw new go.b("writer-addMarker-no-range: Range parameter is required when adding a new marker.",this);return o?($a(this,t,null,i,n),this.model.markers.get(t)):this.model.markers._set(t,i,o,n)}updateMarker(t,e){this._assertWriterUsedCorrectly();const o="string"==typeof t?t:t.name,i=this.model.markers.get(o);if(!i)throw new go.b("writer-updateMarker-marker-not-exists: Marker with provided name does not exists.",this);if(!e)return void this.model.markers._refresh(i);const n="boolean"==typeof e.usingOperation,r="boolean"==typeof e.affectsData,s=r?e.affectsData:i.affectsData;if(!n&&!e.range&&!r)throw new go.b("writer-updateMarker-wrong-options: One of the options is required - provide range, usingOperations or affectsData.",this);const a=i.getRange(),l=e.range?e.range:a;n&&e.usingOperation!==i.managedUsingOperations?e.usingOperation?$a(this,o,null,l,s):($a(this,o,a,null,s),this.model.markers._set(o,l,void 0,s)):i.managedUsingOperations?$a(this,o,a,l,s):this.model.markers._set(o,l,void 0,s)}removeMarker(t){this._assertWriterUsedCorrectly();const e="string"==typeof t?t:t.name;if(!this.model.markers.has(e))throw new go.b("writer-removeMarker-no-marker: Trying to remove marker which does not exist.",this);const o=this.model.markers.get(e);if(!o.managedUsingOperations)return void this.model.markers._remove(e);$a(this,e,o.getRange(),null,o.affectsData)}setSelection(t,e,o){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(t,e,o)}setSelectionFocus(t,e){this._assertWriterUsedCorrectly(),this.model.document.selection._setFocus(t,e)}setSelectionAttribute(t,e){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._setSelectionAttribute(t,e);else for(const[e,o]of zo(t))this._setSelectionAttribute(e,o)}removeSelectionAttribute(t){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._removeSelectionAttribute(t);else for(const e of t)this._removeSelectionAttribute(e)}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(t){this.model.document.selection._restoreGravity(t)}_setSelectionAttribute(t,e){const o=this.model.document.selection;if(o.isCollapsed&&o.anchor.parent.isEmpty){const i=Fs._getStoreAttributeKey(t);this.setAttribute(i,e,o.anchor.parent)}o._setAttribute(t,e)}_removeSelectionAttribute(t){const e=this.model.document.selection;if(e.isCollapsed&&e.anchor.parent.isEmpty){const o=Fs._getStoreAttributeKey(t);this.removeAttribute(o,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new go.b("writer-incorrect-use: Trying to use a writer outside the change() block.",this)}_addOperationForAffectedMarkers(t,e){for(const o of this.model.markers){if(!o.managedUsingOperations)continue;const i=o.getRange();let n=!1;if("move"===t)n=e.containsPosition(i.start)||e.start.isEqual(i.start)||e.containsPosition(i.end)||e.end.isEqual(i.end);else{const t=e.nodeBefore,o=e.nodeAfter,r=i.start.parent==t&&i.start.isAtEnd,s=i.end.parent==o&&0==i.end.offset,a=i.end.nodeAfter==o,l=i.start.nodeAfter==o;n=r||s||a||l}n&&this.updateMarker(o.name,{range:i})}}}function qa(t,e,o,i){const n=t.model,r=n.document;let s,a,l,c=i.start;for(const t of i.getWalker({shallow:!0}))l=t.item.getAttribute(e),s&&a!=l&&(a!=o&&d(),c=s),s=t.nextPosition,a=l;function d(){const i=new Cs(c,s),l=i.root.document?r.version:null,d=new Oa(i,e,a,o,l);t.batch.addOperation(d),n.applyOperation(d)}s instanceof _s&&s!=c&&a!=o&&d()}function Ua(t,e,o,i){const n=t.model,r=n.document,s=i.getAttribute(e);let a,l;if(s!=o){if(i.root===i){const t=i.document?r.version:null;l=new Da(i,e,s,o,t)}else{a=new Cs(_s._createBefore(i),t.createPositionAfter(i));const n=a.root.document?r.version:null;l=new Oa(a,e,s,o,n)}t.batch.addOperation(l),n.applyOperation(l)}}function $a(t,e,o,i,n){const r=t.model,s=r.document,a=new za(e,o,i,r.markers,n,s.version);t.batch.addOperation(a),r.applyOperation(a)}function Ga(t,e,o,i){let n;if(t.root.document){const o=i.document,r=new _s(o.graveyard,[0]);n=new Na(t,e,r,o.version)}else n=new Ma(t,e);o.addOperation(n),i.applyOperation(n)}function Ka(t,e){return t===e||t instanceof Ha&&e instanceof Ha}class Ja{constructor(t){this._markerCollection=t,this._changesInElement=new Map,this._elementSnapshots=new Map,this._changedMarkers=new Map,this._changeCount=0,this._cachedChanges=null,this._cachedChangesWithGraveyard=null}get isEmpty(){return 0==this._changesInElement.size&&0==this._changedMarkers.size}refreshItem(t){if(this._isInInsertedElement(t.parent))return;this._markRemove(t.parent,t.startOffset,t.offsetSize),this._markInsert(t.parent,t.startOffset,t.offsetSize);const e=Cs._createOn(t);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}this._cachedChanges=null}bufferOperation(t){switch(t.type){case"insert":if(this._isInInsertedElement(t.position.parent))return;this._markInsert(t.position.parent,t.position.offset,t.nodes.maxOffset);break;case"addAttribute":case"removeAttribute":case"changeAttribute":for(const e of t.range.getItems({shallow:!0}))this._isInInsertedElement(e.parent)||this._markAttribute(e);break;case"remove":case"move":case"reinsert":{if(t.sourcePosition.isEqual(t.targetPosition)||t.sourcePosition.getShiftedBy(t.howMany).isEqual(t.targetPosition))return;const e=this._isInInsertedElement(t.sourcePosition.parent),o=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),o||this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany);break}case"rename":{if(this._isInInsertedElement(t.position.parent))return;this._markRemove(t.position.parent,t.position.offset,1),this._markInsert(t.position.parent,t.position.offset,1);const e=Cs._createFromPositionAndShift(t.position,1);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}break}case"split":{const e=t.splitPosition.parent;this._isInInsertedElement(e)||this._markRemove(e,t.splitPosition.offset,t.howMany),this._isInInsertedElement(t.insertionPosition.parent)||this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1),t.graveyardPosition&&this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1);break}case"merge":{const e=t.sourcePosition.parent;this._isInInsertedElement(e.parent)||this._markRemove(e.parent,e.startOffset,1);const o=t.graveyardPosition.parent;this._markInsert(o,t.graveyardPosition.offset,1);const i=t.targetPosition.parent;this._isInInsertedElement(i)||this._markInsert(i,t.targetPosition.offset,e.maxOffset);break}}this._cachedChanges=null}bufferMarkerChange(t,e,o,i){const n=this._changedMarkers.get(t);n?(n.newRange=o,n.affectsData=i,null==n.oldRange&&null==n.newRange&&this._changedMarkers.delete(t)):this._changedMarkers.set(t,{oldRange:e,newRange:o,affectsData:i})}getMarkersToRemove(){const t=[];for(const[e,o]of this._changedMarkers)null!=o.oldRange&&t.push({name:e,range:o.oldRange});return t}getMarkersToAdd(){const t=[];for(const[e,o]of this._changedMarkers)null!=o.newRange&&t.push({name:e,range:o.newRange});return t}getChangedMarkers(){return Array.from(this._changedMarkers).map(t=>({name:t[0],data:{oldRange:t[1].oldRange,newRange:t[1].newRange}}))}hasDataChanges(){for(const[,t]of this._changedMarkers)if(t.affectsData)return!0;return this._changesInElement.size>0}getChanges(t={includeChangesInGraveyard:!1}){if(this._cachedChanges)return t.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice();const e=[];for(const t of this._changesInElement.keys()){const o=this._changesInElement.get(t).sort((t,e)=>t.offset===e.offset?t.type!=e.type?"remove"==t.type?-1:1:0:t.offset<e.offset?-1:1),i=this._elementSnapshots.get(t),n=Ya(t.getChildren()),r=Qa(i.length,o);let s=0,a=0;for(const o of r)if("i"===o)e.push(this._getInsertDiff(t,s,n[s].name)),s++;else if("r"===o)e.push(this._getRemoveDiff(t,s,i[a].name)),a++;else if("a"===o){const o=n[s].attributes,r=i[a].attributes;let l;if("$text"==n[s].name)l=new Cs(_s._createAt(t,s),_s._createAt(t,s+1));else{const e=t.offsetToIndex(s);l=new Cs(_s._createAt(t,s),_s._createAt(t.getChild(e),0))}e.push(...this._getAttributesDiff(l,r,o)),s++,a++}else s++,a++}e.sort((t,e)=>t.position.root!=e.position.root?t.position.root.rootName<e.position.root.rootName?-1:1:t.position.isEqual(e.position)?t.changeCount-e.changeCount:t.position.isBefore(e.position)?-1:1);for(let t=1;t<e.length;t++){const o=e[t-1],i=e[t],n="remove"==o.type&&"remove"==i.type&&"$text"==o.name&&"$text"==i.name&&o.position.isEqual(i.position),r="insert"==o.type&&"insert"==i.type&&"$text"==o.name&&"$text"==i.name&&o.position.parent==i.position.parent&&o.position.offset+o.length==i.position.offset,s="attribute"==o.type&&"attribute"==i.type&&o.position.parent==i.position.parent&&o.range.isFlat&&i.range.isFlat&&o.position.offset+o.length==i.position.offset&&o.attributeKey==i.attributeKey&&o.attributeOldValue==i.attributeOldValue&&o.attributeNewValue==i.attributeNewValue;(n||r||s)&&(e[t-1].length++,s&&(e[t-1].range.end=e[t-1].range.end.getShiftedBy(1)),e.splice(t,1),t--)}for(const t of e)delete t.changeCount,"attribute"==t.type&&(delete t.position,delete t.length);return this._changeCount=0,this._cachedChangesWithGraveyard=e.slice(),this._cachedChanges=e.slice().filter(Xa),t.includeChangesInGraveyard?this._cachedChangesWithGraveyard:this._cachedChanges}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._cachedChanges=null}_markInsert(t,e,o){const i={type:"insert",offset:e,howMany:o,count:this._changeCount++};this._markChange(t,i)}_markRemove(t,e,o){const i={type:"remove",offset:e,howMany:o,count:this._changeCount++};this._markChange(t,i),this._removeAllNestedChanges(t,e,o)}_markAttribute(t){const e={type:"attribute",offset:t.startOffset,howMany:t.offsetSize,count:this._changeCount++};this._markChange(t.parent,e)}_markChange(t,e){this._makeSnapshot(t);const o=this._getChangesForElement(t);this._handleChange(e,o),o.push(e);for(let t=0;t<o.length;t++)o[t].howMany<1&&(o.splice(t,1),t--)}_getChangesForElement(t){let e;return this._changesInElement.has(t)?e=this._changesInElement.get(t):(e=[],this._changesInElement.set(t,e)),e}_makeSnapshot(t){this._elementSnapshots.has(t)||this._elementSnapshots.set(t,Ya(t.getChildren()))}_handleChange(t,e){t.nodesToHandle=t.howMany;for(const o of e){const i=t.offset+t.howMany,n=o.offset+o.howMany;if("insert"==t.type&&("insert"==o.type&&(t.offset<=o.offset?o.offset+=t.howMany:t.offset<n&&(o.howMany+=t.nodesToHandle,t.nodesToHandle=0)),"remove"==o.type&&t.offset<o.offset&&(o.offset+=t.howMany),"attribute"==o.type))if(t.offset<=o.offset)o.offset+=t.howMany;else if(t.offset<n){const n=o.howMany;o.howMany=t.offset-o.offset,e.unshift({type:"attribute",offset:i,howMany:n-o.howMany,count:this._changeCount++})}if("remove"==t.type){if("insert"==o.type)if(i<=o.offset)o.offset-=t.howMany;else if(i<=n)if(t.offset<o.offset){const e=i-o.offset;o.offset=t.offset,o.howMany-=e,t.nodesToHandle-=e}else o.howMany-=t.nodesToHandle,t.nodesToHandle=0;else if(t.offset<=o.offset)t.nodesToHandle-=o.howMany,o.howMany=0;else if(t.offset<n){const e=n-t.offset;o.howMany-=e,t.nodesToHandle-=e}if("remove"==o.type&&(i<=o.offset?o.offset-=t.howMany:t.offset<o.offset&&(t.nodesToHandle+=o.howMany,o.howMany=0)),"attribute"==o.type)if(i<=o.offset)o.offset-=t.howMany;else if(t.offset<o.offset){const e=i-o.offset;o.offset=t.offset,o.howMany-=e}else if(t.offset<n)if(i<=n){const i=o.howMany;o.howMany=t.offset-o.offset;const n=i-o.howMany-t.nodesToHandle;e.unshift({type:"attribute",offset:t.offset,howMany:n,count:this._changeCount++})}else o.howMany-=n-t.offset}if("attribute"==t.type){if("insert"==o.type)if(t.offset<o.offset&&i>o.offset){if(i>n){const t={type:"attribute",offset:n,howMany:i-n,count:this._changeCount++};this._handleChange(t,e),e.push(t)}t.nodesToHandle=o.offset-t.offset,t.howMany=t.nodesToHandle}else t.offset>=o.offset&&t.offset<n&&(i>n?(t.nodesToHandle=i-n,t.offset=n):t.nodesToHandle=0);if("remove"==o.type&&t.offset<o.offset&&i>o.offset){const n={type:"attribute",offset:o.offset,howMany:i-o.offset,count:this._changeCount++};this._handleChange(n,e),e.push(n),t.nodesToHandle=o.offset-t.offset,t.howMany=t.nodesToHandle}"attribute"==o.type&&(t.offset>=o.offset&&i<=n?(t.nodesToHandle=0,t.howMany=0,t.offset=0):t.offset<=o.offset&&i>=n&&(o.howMany=0))}}t.howMany=t.nodesToHandle,delete t.nodesToHandle}_getInsertDiff(t,e,o){return{type:"insert",position:_s._createAt(t,e),name:o,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,o){return{type:"remove",position:_s._createAt(t,e),name:o,length:1,changeCount:this._changeCount++}}_getAttributesDiff(t,e,o){const i=[];o=new Map(o);for(const[n,r]of e){const e=o.has(n)?o.get(n):null;e!==r&&i.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:n,attributeOldValue:r,attributeNewValue:e,changeCount:this._changeCount++}),o.delete(n)}for(const[e,n]of o)i.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:e,attributeOldValue:null,attributeNewValue:n,changeCount:this._changeCount++});return i}_isInInsertedElement(t){const e=t.parent;if(!e)return!1;const o=this._changesInElement.get(e),i=t.startOffset;if(o)for(const t of o)if("insert"==t.type&&i>=t.offset&&i<t.offset+t.howMany)return!0;return this._isInInsertedElement(e)}_removeAllNestedChanges(t,e,o){const i=new Cs(_s._createAt(t,e),_s._createAt(t,e+o));for(const t of i.getItems({shallow:!0}))t.is("element")&&(this._elementSnapshots.delete(t),this._changesInElement.delete(t),this._removeAllNestedChanges(t,0,t.maxOffset))}}function Ya(t){const e=[];for(const o of t)if(o.is("text"))for(let t=0;t<o.data.length;t++)e.push({name:"$text",attributes:new Map(o.getAttributes())});else e.push({name:o.name,attributes:new Map(o.getAttributes())});return e}function Qa(t,e){const o=[];let i=0,n=0;for(const t of e){if(t.offset>i){for(let e=0;e<t.offset-i;e++)o.push("e");n+=t.offset-i}if("insert"==t.type){for(let e=0;e<t.howMany;e++)o.push("i");i=t.offset+t.howMany}else if("remove"==t.type){for(let e=0;e<t.howMany;e++)o.push("r");i=t.offset,n+=t.howMany}else o.push(..."a".repeat(t.howMany).split("")),i=t.offset+t.howMany,n+=t.howMany}if(n<t)for(let e=0;e<t-n-i;e++)o.push("e");return o}function Xa(t){const e=t.position&&"$graveyard"==t.position.root.rootName,o=t.range&&"$graveyard"==t.range.root.rootName;return!e&&!o}class Za{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set}addOperation(t){this._operations.includes(t)||this._operations.push(t)}getOperations(t=0,e=Number.POSITIVE_INFINITY){return t<0?[]:this._operations.slice(t,e)}getOperation(t){return this._operations[t]}setOperationAsUndone(t,e){this._undoPairs.set(e,t),this._undoneOperations.add(t)}isUndoingOperation(t){return this._undoPairs.has(t)}isUndoneOperation(t){return this._undoneOperations.has(t)}getUndoneOperation(t){return this._undoPairs.get(t)}}function tl(t,e){return!!(o=t.charAt(e-1))&&1==o.length&&/[\ud800-\udbff]/.test(o)&&function(t){return!!t&&1==t.length&&/[\udc00-\udfff]/.test(t)}(t.charAt(e));var o}function el(t,e){return!!(o=t.charAt(e))&&1==o.length&&/[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(o);var o}class ol{constructor(t){this.model=t,this.version=0,this.history=new Za(this),this.selection=new Fs(this),this.roots=new Ao({idProperty:"rootName"}),this.differ=new Ja(t.markers),this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root","$graveyard"),this.listenTo(t,"applyOperation",(t,e)=>{const o=e[0];if(o.isDocumentOperation&&o.baseVersion!==this.version)throw new go.b("model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.",this,{operation:o})},{priority:"highest"}),this.listenTo(t,"applyOperation",(t,e)=>{const o=e[0];o.isDocumentOperation&&this.differ.bufferOperation(o)},{priority:"high"}),this.listenTo(t,"applyOperation",(t,e)=>{const o=e[0];o.isDocumentOperation&&(this.version++,this.history.addOperation(o))},{priority:"low"}),this.listenTo(this.selection,"change",()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0}),this.listenTo(t.markers,"update",(t,e,o,i)=>{this.differ.bufferMarkerChange(e.name,o,i,e.affectsData),null===o&&e.on("change",(t,o)=>{this.differ.bufferMarkerChange(e.name,o,e.getRange(),e.affectsData)})})}get graveyard(){return this.getRoot("$graveyard")}createRoot(t="$root",e="main"){if(this.roots.get(e))throw new go.b("model-document-createRoot-name-exists: Root with specified name already exists.",this,{name:e});const o=new Ha(this,t,e);return this.roots.add(o),o}destroy(){this.selection.destroy(),this.stopListening()}getRoot(t="main"){return this.roots.get(t)}getRootNames(){return Array.from(this.roots,t=>t.rootName).filter(t=>"$graveyard"!=t)}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=Oo(this);return t.selection="[engine.model.DocumentSelection]",t.model="[engine.model.Model]",t}_handleChangeBlock(t){this._hasDocumentChangedFromTheLastChangeBlock()&&(this._callPostFixers(t),this.selection.refresh(),this.differ.hasDataChanges()?this.fire("change:data",t.batch):this.fire("change",t.batch),this.selection.refresh(),this.differ.reset()),this._hasSelectionChangedFromTheLastChangeBlock=!1}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_getDefaultRoot(){for(const t of this.roots)if(t!==this.graveyard)return t;return this.graveyard}_getDefaultRange(){const t=this._getDefaultRoot(),e=this.model,o=e.schema,i=e.createPositionFromPath(t,[0]);return o.getNearestSelectionRange(i)||e.createRange(i)}_validateSelectionRange(t){return il(t.start)&&il(t.end)}_callPostFixers(t){let e=!1;do{for(const o of this._postFixers)if(this.selection.refresh(),e=o(t),e)break}while(e)}}function il(t){const e=t.textNode;if(e){const o=e.data,i=t.offset-e.startOffset;return!tl(o,i)&&!el(o,i)}return!0}Co(ol,po);class nl{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(t){return this._markers.has(t)}get(t){return this._markers.get(t)||null}_set(t,e,o=!1,i=!1){const n=t instanceof rl?t.name:t,r=this._markers.get(n);if(r){const t=r.getRange();let s=!1;return t.isEqual(e)||(r._attachLiveRange(Ns.fromRange(e)),s=!0),o!=r.managedUsingOperations&&(r._managedUsingOperations=o,s=!0),"boolean"==typeof i&&i!=r.affectsData&&(r._affectsData=i,s=!0),s&&this.fire("update:"+n,r,t,e),r}const s=Ns.fromRange(e),a=new rl(n,s,o,i);return this._markers.set(n,a),this.fire("update:"+n,a,null,e),a}_remove(t){const e=t instanceof rl?t.name:t,o=this._markers.get(e);return!!o&&(this._markers.delete(e),this.fire("update:"+e,o,o.getRange(),null),this._destroyMarker(o),!0)}_refresh(t){const e=t instanceof rl?t.name:t,o=this._markers.get(e);if(!o)throw new go.b("markercollection-refresh-marker-not-exists: Marker with provided name does not exists.",this);const i=o.getRange();this.fire("update:"+e,o,i,i,o.managedUsingOperations,o.affectsData)}*getMarkersAtPosition(t){for(const e of this)e.getRange().containsPosition(t)&&(yield e)}*getMarkersIntersectingRange(t){for(const e of this)null!==e.getRange().getIntersection(t)&&(yield e)}destroy(){for(const t of this._markers.values())this._destroyMarker(t);this._markers=null,this.stopListening()}*getMarkersGroup(t){for(const e of this._markers.values())e.name.startsWith(t+":")&&(yield e)}_destroyMarker(t){t.stopListening(),t._detachLiveRange()}}Co(nl,po);class rl{constructor(t,e,o,i){this.name=t,this._liveRange=this._attachLiveRange(e),this._managedUsingOperations=o,this._affectsData=i}get managedUsingOperations(){if(!this._liveRange)throw new go.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new go.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._affectsData}getStart(){if(!this._liveRange)throw new go.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new go.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new go.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.toRange()}is(t){return"marker"===t||"model:marker"===t}_attachLiveRange(t){return this._liveRange&&this._detachLiveRange(),t.delegate("change:range").to(this),t.delegate("change:content").to(this),this._liveRange=t,t}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}Co(rl,po);class sl extends xa{get type(){return"noop"}clone(){return new sl(this.baseVersion)}getReversed(){return new sl(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const al={};al[Oa.className]=Oa,al[Ba.className]=Ba,al[za.className]=za,al[Na.className]=Na,al[sl.className]=sl,al[xa.className]=xa,al[Fa.className]=Fa,al[Da.className]=Da,al[ja.className]=ja,al[La.className]=La;class ll extends _s{constructor(t,e,o="toNone"){if(super(t,e,o),!this.root.is("rootElement"))throw new go.b("model-liveposition-root-not-rootelement: LivePosition's root has to be an instance of RootElement.",t);cl.call(this)}detach(){this.stopListening()}is(t){return"livePosition"===t||"model:livePosition"===t||"position"==t||"model:position"===t}toPosition(){return new _s(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e||t.stickiness)}}function cl(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const o=e[0];o.isDocumentOperation&&dl.call(this,o)},{priority:"low"})}function dl(t){const e=this.getTransformedByOperation(t);if(!this.isEqual(e)){const t=this.toPosition();this.path=e.path,this.root=e.root,this.fire("change",t)}}Co(ll,po);class hl{constructor(t,e,o){this.model=t,this.writer=e,this.position=o,this.canMergeWith=new Set([this.position.parent]),this.schema=t.schema,this._filterAttributesOf=[],this._affectedStart=null,this._affectedEnd=null}handleNodes(t,e){t=Array.from(t);for(let o=0;o<t.length;o++){const i=t[o];this._handleNode(i,{isFirst:0===o&&e.isFirst,isLast:o===t.length-1&&e.isLast})}this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}getSelectionRange(){return this.nodeToSelect?Cs._createOn(this.nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new Cs(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(t,e){if(this.schema.isObject(t))return void this._handleObject(t,e);this._checkAndSplitToAllowedPosition(t,e)?(this._insert(t),this._mergeSiblingsOf(t,e)):this._handleDisallowedNode(t,e)}_handleObject(t,e){this._checkAndSplitToAllowedPosition(t)?this._insert(t):this._tryAutoparagraphing(t,e)}_handleDisallowedNode(t,e){t.is("element")?this.handleNodes(t.getChildren(),e):this._tryAutoparagraphing(t,e)}_insert(t){if(!this.schema.checkChild(this.position,t))throw new go.b("insertcontent-wrong-position: Given node cannot be inserted on the given position.",this,{node:t,position:this.position});const e=ll.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position),this.writer.insert(t,this.position),this.position=e.toPosition(),e.detach(),this.schema.isObject(t)&&!this.schema.checkChild(this.position,"$text")?this.nodeToSelect=t:this.nodeToSelect=null,this._filterAttributesOf.push(t)}_setAffectedBoundaries(t){this._affectedStart||(this._affectedStart=ll.fromPosition(t,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(t)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=ll.fromPosition(t,"toNext"))}_mergeSiblingsOf(t,e){if(!(t instanceof bs))return;const o=this._canMergeLeft(t,e),i=this._canMergeRight(t,e),n=ll._createBefore(t);n.stickiness="toNext";const r=ll._createAfter(t);if(r.stickiness="toNext",o){const t=ll.fromPosition(this.position);t.stickiness="toNext",this._affectedStart.isEqual(n)&&(this._affectedStart.detach(),this._affectedStart=ll._createAt(n.nodeBefore,"end","toPrevious")),this.writer.merge(n),n.isEqual(this._affectedEnd)&&e.isLast&&(this._affectedEnd.detach(),this._affectedEnd=ll._createAt(n.nodeBefore,"end","toNext")),this.position=t.toPosition(),t.detach()}if(i){if(!this.position.isEqual(r))throw new go.b("insertcontent-invalid-insertion-position",this);this.position=_s._createAt(r.nodeBefore,"end");const t=ll.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(r)&&(this._affectedEnd.detach(),this._affectedEnd=ll._createAt(r.nodeBefore,"end","toNext")),this.writer.merge(r),r.getShiftedBy(-1).isEqual(this._affectedStart)&&e.isFirst&&(this._affectedStart.detach(),this._affectedStart=ll._createAt(r.nodeBefore,0,"toPrevious")),this.position=t.toPosition(),t.detach()}(o||i)&&this._filterAttributesOf.push(this.position.parent),n.detach(),r.detach()}_canMergeLeft(t,e){const o=t.previousSibling;return e.isFirst&&o instanceof bs&&this.canMergeWith.has(o)&&this.model.schema.checkMerge(o,t)}_canMergeRight(t,e){const o=t.nextSibling;return e.isLast&&o instanceof bs&&this.canMergeWith.has(o)&&this.model.schema.checkMerge(t,o)}_tryAutoparagraphing(t,e){const o=this.writer.createElement("paragraph");this._getAllowedIn(o,this.position.parent)&&this.schema.checkChild(o,t)&&(o._appendChild(t),this._handleNode(o,e))}_checkAndSplitToAllowedPosition(t){const e=this._getAllowedIn(t,this.position.parent);if(!e)return!1;for(;e!=this.position.parent;){if(this.schema.isLimit(this.position.parent))return!1;if(this.position.isAtStart){const t=this.position.parent;this.position=this.writer.createPositionBefore(t),t.isEmpty&&t.parent===e&&this.writer.remove(t)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const t=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position),this.writer.split(this.position),this.position=t,this.canMergeWith.add(this.position.nodeAfter)}}return!0}_getAllowedIn(t,e){return this.schema.checkChild(e,t)?e:e.parent?this._getAllowedIn(t,e.parent):null}}function ul(t,e,o={}){if(e.isCollapsed)return;const i=e.getFirstRange();if("$graveyard"==i.root.rootName)return;const n=t.schema;t.change(t=>{if(!o.doNotResetEntireContent&&function(t,e){const o=t.getLimitElement(e);if(!e.containsEntireContent(o))return!1;const i=e.getFirstRange();if(i.start.parent==i.end.parent)return!1;return t.checkChild(o,"paragraph")}(n,e))return void function(t,e){const o=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(o)),gl(t,t.createPositionAt(o,0),e)}(t,e);const r=i.start,s=ll.fromPosition(i.end,"toNext");i.start.isTouching(i.end)||t.remove(i),o.leaveUnmerged||(!function t(e,o,i){const n=o.parent,r=i.parent;if(n==r)return;if(e.model.schema.isLimit(n)||e.model.schema.isLimit(r))return;if(!function(t,e,o){const i=new Cs(t,e);for(const t of i.getWalker())if(o.isLimit(t.item))return!1;return!0}(o,i,e.model.schema))return;o=e.createPositionAfter(n),(i=e.createPositionBefore(r)).isEqual(o)||e.insert(r,o);e.merge(o);for(;i.parent.isEmpty;){const t=i.parent;i=e.createPositionBefore(t),e.remove(t)}t(e,o,i)}(t,r,s),n.removeDisallowedAttributes(r.parent.getChildren(),t)),ml(t,e,r),!o.doNotAutoparagraph&&function(t,e){const o=t.checkChild(e,"$text"),i=t.checkChild(e,"paragraph");return!o&&i}(n,r)&&gl(t,r,e),s.detach()})}function gl(t,e,o){const i=t.createElement("paragraph");t.insert(i,e),ml(t,o,t.createPositionAt(i,0))}function ml(t,e,o){e instanceof Fs?t.setSelection(o):e.setTo(o)}function fl(t,e){if("text"==e.type)return"word"===t.unit?function(t,e){let o=t.position.textNode;if(o){let i=t.position.offset-o.startOffset;for(;!bl(o.data,i,e)&&!wl(o,i,e);){t.next();const n=e?t.position.nodeAfter:t.position.nodeBefore;if(n&&n.is("text")){const i=n.data.charAt(e?0:n.data.length-1);' ,.?!:;"-()'.includes(i)||(t.next(),o=t.position.textNode)}i=t.position.offset-o.startOffset}}return t.position}(t.walker,t.isForward):function(t,e){const o=t.position.textNode;if(o){const i=o.data;let n=t.position.offset-o.startOffset;for(;tl(i,n)||"character"==e&&el(i,n);)t.next(),n=t.position.offset-o.startOffset}return t.position}(t.walker,t.unit,t.isForward);if(e.type==(t.isForward?"elementStart":"elementEnd")){if(t.schema.isObject(e.item))return _s._createAt(e.item,t.isForward?"after":"before");if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}else{if(t.schema.isLimit(e.item))return void t.walker.skip(()=>!0);if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}}function pl(t,e){const o=t.root,i=_s._createAt(o,e?"end":0);return e?new Cs(t,i):new Cs(i,t)}function bl(t,e,o){const i=e+(o?0:-1);return' ,.?!:;"-()'.includes(t.charAt(i))}function wl(t,e,o){return e===(o?t.endOffset:0)}function kl(t,e){const o=[];Array.from(t.getItems({direction:"backward"})).map(t=>e.createRangeOn(t)).filter(e=>(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end))).forEach(t=>{o.push(t.start.parent),e.remove(t)}),o.forEach(t=>{let o=t;for(;o.parent&&o.isEmpty;){const t=e.createRangeOn(o);o=o.parent,e.remove(t)}})}function _l(t){t.document.registerPostFixer(e=>function(t,e){const o=e.document.selection,i=e.schema,n=[];let r=!1;for(const t of o.getRanges()){const e=vl(t,i);e?(n.push(e),r=!0):n.push(t)}r&&t.setSelection(function(t){const e=[];e.push(t.shift());for(const o of t){const t=e.pop();if(o.isIntersecting(t)){const i=t.start.isAfter(o.start)?o.start:t.start,n=t.end.isAfter(o.end)?t.end:o.end,r=new Cs(i,n);e.push(r)}else e.push(t),e.push(o)}return e}(n),{backward:o.isBackward})}(e,t))}function vl(t,e){return t.isCollapsed?function(t,e){const o=t.start,i=e.getNearestSelectionRange(o);if(!i)return null;if(!i.isCollapsed)return i;const n=i.start;if(o.isEqual(n))return null;return new Cs(n)}(t,e):function(t,e){const o=t.start,i=t.end,n=e.checkChild(o,"$text"),r=e.checkChild(i,"$text"),s=e.getLimitElement(o),a=e.getLimitElement(i);if(s===a){if(n&&r)return null;if(function(t,e,o){const i=t.nodeAfter&&!o.isLimit(t.nodeAfter)||o.checkChild(t,"$text"),n=e.nodeBefore&&!o.isLimit(e.nodeBefore)||o.checkChild(e,"$text");return i||n}(o,i,e)){const t=o.nodeAfter&&e.isObject(o.nodeAfter)?null:e.getNearestSelectionRange(o,"forward"),n=i.nodeBefore&&e.isObject(i.nodeBefore)?null:e.getNearestSelectionRange(i,"backward"),r=t?t.start:o,s=n?n.start:i;return new Cs(r,s)}}const l=s&&!s.is("rootElement"),c=a&&!a.is("rootElement");if(l||c){const t=o.nodeAfter&&i.nodeBefore&&o.nodeAfter.parent===i.nodeBefore.parent,n=l&&(!t||!xl(o.nodeAfter,e)),r=c&&(!t||!xl(i.nodeBefore,e));let d=o,h=i;return n&&(d=_s._createBefore(yl(s,e))),r&&(h=_s._createAfter(yl(a,e))),new Cs(d,h)}return null}(t,e)}function yl(t,e){let o=t,i=o;for(;e.isLimit(i)&&i.parent;)o=i,i=i.parent;return o}function xl(t,e){return t&&e.isObject(t)}class Cl{constructor(){this.markers=new nl,this.document=new ol(this),this.schema=new na,this._pendingChanges=[],this._currentWriter=null,["insertContent","deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach(t=>this.decorate(t)),this.on("applyOperation",(t,e)=>{e[0]._validate()},{priority:"highest"}),this.schema.register("$root",{isLimit:!0}),this.schema.register("$block",{allowIn:"$root",isBlock:!0}),this.schema.register("$text",{allowIn:"$block",isInline:!0}),this.schema.register("$clipboardHolder",{allowContentOf:"$root",isLimit:!0}),this.schema.extend("$text",{allowIn:"$clipboardHolder"}),this.schema.register("$marker"),this.schema.addChildCheck((t,e)=>{if("$marker"===e.name)return!0}),_l(this)}change(t){try{return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new ya,callback:t}),this._runPendingChanges()[0]):t(this._currentWriter)}catch(t){go.b.rethrowUnexpectedError(t,this)}}enqueueChange(t,e){try{"string"==typeof t?t=new ya(t):"function"==typeof t&&(e=t,t=new ya),this._pendingChanges.push({batch:t,callback:e}),1==this._pendingChanges.length&&this._runPendingChanges()}catch(t){go.b.rethrowUnexpectedError(t,this)}}applyOperation(t){t._execute()}insertContent(t,e,o){return function(t,e,o,i){return t.change(n=>{let r;r=o?o instanceof Rs||o instanceof Fs?o:n.createSelection(o,i):t.document.selection,r.isCollapsed||t.deleteContent(r,{doNotAutoparagraph:!0});const s=new hl(t,n,r.anchor);let a;a=e.is("documentFragment")?e.getChildren():[e],s.handleNodes(a,{isFirst:!0,isLast:!0});const l=s.getSelectionRange();l&&(r instanceof Fs?n.setSelection(l):r.setTo(l));const c=s.getAffectedRange()||t.createRange(r.anchor);return s.destroy(),c})}(this,t,e,o)}deleteContent(t,e){ul(this,t,e)}modifySelection(t,e){!function(t,e,o={}){const i=t.schema,n="backward"!=o.direction,r=o.unit?o.unit:"character",s=e.focus,a=new ws({boundaries:pl(s,n),singleCharacters:!0,direction:n?"forward":"backward"}),l={walker:a,schema:i,isForward:n,unit:r};let c;for(;c=a.next();){if(c.done)return;const o=fl(l,c.value);if(o)return void(e instanceof Fs?t.change(t=>{t.setSelectionFocus(o)}):e.setFocus(o))}}(this,t,e)}getSelectedContent(t){return function(t,e){return t.change(t=>{const o=t.createDocumentFragment(),i=e.getFirstRange();if(!i||i.isCollapsed)return o;const n=i.start.root,r=i.start.getCommonPath(i.end),s=n.getNodeByPath(r);let a;a=i.start.parent==i.end.parent?i:t.createRange(t.createPositionAt(s,i.start.path[r.length]),t.createPositionAt(s,i.end.path[r.length]+1));const l=a.end.offset-a.start.offset;for(const e of a.getItems({shallow:!0}))e.is("textProxy")?t.appendText(e.data,e.getAttributes(),o):t.append(e._clone(!0),o);if(a!=i){const e=i._getTransformedByMove(a.start,t.createPositionAt(o,0),l)[0],n=t.createRange(t.createPositionAt(o,0),e.start);kl(t.createRange(e.end,t.createPositionAt(o,"end")),t),kl(n,t)}return o})}(this,t)}hasContent(t,e){const o=t instanceof bs?Cs._createIn(t):t;if(o.isCollapsed)return!1;for(const t of this.markers.getMarkersIntersectingRange(o))if(t.affectsData)return!0;const{ignoreWhitespaces:i=!1}=e||{};for(const t of o.getItems())if(t.is("textProxy")){if(!i)return!0;if(-1!==t.data.search(/\S/))return!0}else if(this.schema.isObject(t))return!0;return!1}createPositionFromPath(t,e,o){return new _s(t,e,o)}createPositionAt(t,e){return _s._createAt(t,e)}createPositionAfter(t){return _s._createAfter(t)}createPositionBefore(t){return _s._createBefore(t)}createRange(t,e){return new Cs(t,e)}createRangeIn(t){return Cs._createIn(t)}createRangeOn(t){return Cs._createOn(t)}createSelection(t,e,o){return new Rs(t,e,o)}createBatch(t){return new ya(t)}createOperationFromJSON(t){return class{static fromJSON(t,e){return al[t.__className].fromJSON(t,e)}}.fromJSON(t,this.document)}destroy(){this.document.destroy(),this.stopListening()}_runPendingChanges(){const t=[];for(this.fire("_beforeChanges");this._pendingChanges.length;){const e=this._pendingChanges[0].batch;this._currentWriter=new Wa(this,e);const o=this._pendingChanges[0].callback(this._currentWriter);t.push(o),this.document._handleChangeBlock(this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}return this.fire("_afterChanges"),t}}Co(Cl,Wi);class Al{constructor(){this._listener=Object.create(cr)}listenTo(t){this._listener.listenTo(t,"keydown",(t,e)=>{this._listener.fire("_keydown:"+bn(e),e)})}set(t,e,o={}){const i=wn(t),n=o.priority;this._listener.listenTo(this._listener,"_keydown:"+i,(t,o)=>{e(o,()=>{o.preventDefault(),o.stopPropagation(),t.stop()}),t.return=!0},{priority:n})}press(t){return!!this._listener.fire("_keydown:"+bn(t),t)}destroy(){this._listener.stopListening()}}class Tl extends Al{constructor(t){super(),this.editor=t}set(t,e,o={}){if("string"==typeof e){const t=e;e=(e,o)=>{this.editor.execute(t),o()}}super.set(t,e,o)}}class Pl{constructor(t={}){this._context=t.context||new Io({language:t.language}),this._context._addEditor(this,!t.context);const e=Array.from(this.constructor.builtinPlugins||[]);this.config=new no(t,this.constructor.defaultConfig),this.config.define("plugins",e),this.config.define(this._context._getEditorConfig()),this.plugins=new To(this,e,this._context.plugins),this.locale=this._context.locale,this.t=this.locale.t,this.commands=new ea,this.set("state","initializing"),this.once("ready",()=>this.state="ready",{priority:"high"}),this.once("destroy",()=>this.state="destroyed",{priority:"high"}),this.set("isReadOnly",!1),this.model=new Cl;const o=new Ii;this.data=new wa(this.model,o),this.editing=new ta(this.model,o),this.editing.view.document.bind("isReadOnly").to(this),this.conversion=new ka([this.editing.downcastDispatcher,this.data.downcastDispatcher],this.data.upcastDispatcher),this.conversion.addAlias("dataDowncast",this.data.downcastDispatcher),this.conversion.addAlias("editingDowncast",this.editing.downcastDispatcher),this.keystrokes=new Tl(this),this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const t=this.config,e=t.get("plugins"),o=t.get("removePlugins")||[],i=t.get("extraPlugins")||[];return this.plugins.init(e.concat(i),o)}destroy(){let t=Promise.resolve();return"initializing"==this.state&&(t=new Promise(t=>this.once("ready",t))),t.then(()=>{this.fire("destroy"),this.stopListening(),this.commands.destroy()}).then(()=>this.plugins.destroy()).then(()=>{this.model.destroy(),this.data.destroy(),this.editing.destroy(),this.keystrokes.destroy()}).then(()=>this._context._removeEditor(this))}execute(...t){try{this.commands.execute(...t)}catch(t){go.b.rethrowUnexpectedError(t,this)}}}Co(Pl,Wi);class Sl{getHtml(t){const e=document.implementation.createHTMLDocument("").createElement("div");return e.appendChild(t),e.innerHTML}}class El{constructor(t){this._domParser=new DOMParser,this._domConverter=new nr(t,{blockFillerMode:"nbsp"}),this._htmlWriter=new Sl}toData(t){const e=this._domConverter.viewToDom(t,document);return this._htmlWriter.getHtml(e)}toView(t){const e=this._toDom(t);return this._domConverter.domToView(e)}_toDom(t){const e=this._domParser.parseFromString(t,"text/html"),o=e.createDocumentFragment(),i=e.body.childNodes;for(;i.length>0;)o.appendChild(i[0]);return o}}class Rl{constructor(t){this.editor=t,this.set("isEnabled",!0),this._disableStack=new Set}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on("set:isEnabled",Il,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",Il),this.isEnabled=!0)}destroy(){this.stopListening()}static get isContextPlugin(){return!1}}function Il(t){t.return=!1,t.stop()}Co(Rl,Wi);class Vl extends Ao{constructor(t=[]){super(t,{idProperty:"viewUid"}),this.on("add",(t,e,o)=>{this._renderViewIntoCollectionParent(e,o)}),this.on("remove",(t,e)=>{e.element&&this._parentElement&&e.element.remove()}),this._parentElement=null}destroy(){this.map(t=>t.destroy())}setParent(t){this._parentElement=t;for(const t of this)this._renderViewIntoCollectionParent(t)}delegate(...t){if(!t.length||!t.every(t=>"string"==typeof t))throw new go.b("ui-viewcollection-delegate-wrong-events: All event names must be strings.",this);return{to:e=>{for(const o of this)for(const i of t)o.delegate(i).to(e);this.on("add",(o,i)=>{for(const o of t)i.delegate(o).to(e)}),this.on("remove",(o,i)=>{for(const o of t)i.stopDelegating(o,e)})}}}_renderViewIntoCollectionParent(t,e){t.isRendered||t.render(),t.element&&this._parentElement&&this._parentElement.insertBefore(t.element,this._parentElement.children[e])}}class Ol{constructor(t){Object.assign(this,Wl(Hl(t))),this._isRendered=!1,this._revertData=null}render(){const t=this._renderNode({intoFragment:!0});return this._isRendered=!0,t}apply(t){return this._revertData={children:[],bindings:[],attributes:{}},this._renderNode({node:t,isApplying:!0,revertData:this._revertData}),t}revert(t){if(!this._revertData)throw new go.b("ui-template-revert-not-applied: Attempting to revert a template which has not been applied yet.",[this,t]);this._revertTemplateFromNode(t,this._revertData)}*getViews(){yield*function*t(e){if(e.children)for(const o of e.children)Kl(o)?yield o:Jl(o)&&(yield*t(o))}(this)}static bind(t,e){return{to:(o,i)=>new Nl({eventNameOrFunction:o,attribute:o,observable:t,emitter:e,callback:i}),if:(o,i,n)=>new Bl({observable:t,emitter:e,attribute:o,valueIfTrue:i,callback:n})}}static extend(t,e){if(t._isRendered)throw new go.b("template-extend-render: Attempting to extend a template which has already been rendered.",[this,t]);!function t(e,o){o.attributes&&(e.attributes||(e.attributes={}),$l(e.attributes,o.attributes));o.eventListeners&&(e.eventListeners||(e.eventListeners={}),$l(e.eventListeners,o.eventListeners));o.text&&e.text.push(...o.text);if(o.children&&o.children.length){if(e.children.length!=o.children.length)throw new go.b("ui-template-extend-children-mismatch: The number of children in extended definition does not match.",e);let i=0;for(const n of o.children)t(e.children[i++],n)}}(t,Wl(Hl(e)))}_renderNode(t){let e;if(e=t.node?this.tag&&this.text:this.tag?this.text:!this.text,e)throw new go.b('ui-template-wrong-syntax: Node definition must have either "tag" or "text" when rendering a new Node.',this);return this.text?this._renderText(t):this._renderElement(t)}_renderElement(t){let e=t.node;return e||(e=t.node=document.createElementNS(this.ns||"http://www.w3.org/1999/xhtml",this.tag)),this._renderAttributes(t),this._renderElementChildren(t),this._setUpListeners(t),e}_renderText(t){let e=t.node;return e?t.revertData.text=e.textContent:e=t.node=document.createTextNode(""),zl(this.text)?this._bindToObservable({schema:this.text,updater:Dl(e),data:t}):e.textContent=this.text.join(""),e}_renderAttributes(t){let e,o,i,n;if(!this.attributes)return;const r=t.node,s=t.revertData;for(e in this.attributes)if(i=r.getAttribute(e),o=this.attributes[e],s&&(s.attributes[e]=i),n=z(o[0])&&o[0].ns?o[0].ns:null,zl(o)){const a=n?o[0].value:o;s&&Ql(e)&&a.unshift(i),this._bindToObservable({schema:a,updater:Ll(r,e,n),data:t})}else"style"==e&&"string"!=typeof o[0]?this._renderStyleAttribute(o[0],t):(s&&i&&Ql(e)&&o.unshift(i),o=o.map(t=>t&&t.value||t).reduce((t,e)=>t.concat(e),[]).reduce(Ul,""),Gl(o)||r.setAttributeNS(n,e,o))}_renderStyleAttribute(t,e){const o=e.node;for(const i in t){const n=t[i];zl(n)?this._bindToObservable({schema:[n],updater:jl(o,i),data:e}):o.style[i]=n}}_renderElementChildren(t){const e=t.node,o=t.intoFragment?document.createDocumentFragment():e,i=t.isApplying;let n=0;for(const r of this.children)if(Yl(r)){if(!i){r.setParent(e);for(const t of r)o.appendChild(t.element)}}else if(Kl(r))i||(r.isRendered||r.render(),o.appendChild(r.element));else if(Jn(r))o.appendChild(r);else if(i){const e={children:[],bindings:[],attributes:{}};t.revertData.children.push(e),r._renderNode({node:o.childNodes[n++],isApplying:!0,revertData:e})}else o.appendChild(r.render());t.intoFragment&&e.appendChild(o)}_setUpListeners(t){if(this.eventListeners)for(const e in this.eventListeners){const o=this.eventListeners[e].map(o=>{const[i,n]=e.split("@");return o.activateDomEventListener(i,n,t)});t.revertData&&t.revertData.bindings.push(o)}}_bindToObservable({schema:t,updater:e,data:o}){const i=o.revertData;Fl(t,e,o);const n=t.filter(t=>!Gl(t)).filter(t=>t.observable).map(i=>i.activateAttributeListener(t,e,o));i&&i.bindings.push(n)}_revertTemplateFromNode(t,e){for(const t of e.bindings)for(const e of t)e();if(e.text)t.textContent=e.text;else{for(const o in e.attributes){const i=e.attributes[o];null===i?t.removeAttribute(o):t.setAttribute(o,i)}for(let o=0;o<e.children.length;++o)this._revertTemplateFromNode(t.childNodes[o],e.children[o])}}}Co(Ol,po);class Ml{constructor(t){Object.assign(this,t)}getValue(t){const e=this.observable[this.attribute];return this.callback?this.callback(e,t):e}activateAttributeListener(t,e,o){const i=()=>Fl(t,e,o);return this.emitter.listenTo(this.observable,"change:"+this.attribute,i),()=>{this.emitter.stopListening(this.observable,"change:"+this.attribute,i)}}}class Nl extends Ml{activateDomEventListener(t,e,o){const i=(t,o)=>{e&&!o.target.matches(e)||("function"==typeof this.eventNameOrFunction?this.eventNameOrFunction(o):this.observable.fire(this.eventNameOrFunction,o))};return this.emitter.listenTo(o.node,t,i),()=>{this.emitter.stopListening(o.node,t,i)}}}class Bl extends Ml{getValue(t){return!Gl(super.getValue(t))&&(this.valueIfTrue||!0)}}function zl(t){return!!t&&(t.value&&(t=t.value),Array.isArray(t)?t.some(zl):t instanceof 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Ol(o));t.children=e}return t}function ql(t,e){Array.isArray(t[e])||(t[e]=[t[e]])}function Ul(t,e){return Gl(e)?t:Gl(t)?e:`${t} ${e}`}function $l(t,e){for(const o in e)t[o]?t[o].push(...e[o]):t[o]=e[o]}function Gl(t){return!t&&0!==t}function Kl(t){return t instanceof Xl}function Jl(t){return t instanceof Ol}function Yl(t){return t instanceof Vl}function Ql(t){return"class"==t||"style"==t}o(16);class Xl{constructor(t){this.element=null,this.isRendered=!1,this.locale=t,this.t=t&&t.t,this._viewCollections=new Ao,this._unboundChildren=this.createCollection(),this._viewCollections.on("add",(e,o)=>{o.locale=t}),this.decorate("render")}get bindTemplate(){return this._bindTemplate?this._bindTemplate:this._bindTemplate=Ol.bind(this,this)}createCollection(t){const e=new Vl(t);return this._viewCollections.add(e),e}registerChild(t){xo(t)||(t=[t]);for(const e of t)this._unboundChildren.add(e)}deregisterChild(t){xo(t)||(t=[t]);for(const e of t)this._unboundChildren.remove(e)}setTemplate(t){this.template=new Ol(t)}extendTemplate(t){Ol.extend(this.template,t)}render(){if(this.isRendered)throw new go.b("ui-view-render-already-rendered: This View has already been rendered.",this);this.template&&(this.element=this.template.render(),this.registerChild(this.template.getViews())),this.isRendered=!0}destroy(){this.stopListening(),this._viewCollections.map(t=>t.destroy()),this.template&&this.template._revertData&&this.template.revert(this.element)}}function Zl({element:t,target:e,positions:o,limiter:i,fitInViewport:n}){D(e)&&(e=e()),D(i)&&(i=i());const r=function(t){return t&&t.parentNode?t.offsetParent===tr.document.body?null:t.offsetParent:null}(t),s=new Zr(t),a=new Zr(e);let l,c;if(i||n){const t=function(t,e){const{elementRect:o,viewportRect:i}=e,n=o.getArea(),r=function(t,{targetRect:e,elementRect:o,limiterRect:i,viewportRect:n}){const r=[],s=o.getArea();for(const a of t){const t=tc(a,e,o);if(!t)continue;const[l,c]=t;let d=0,h=0;if(i)if(n){const t=i.getIntersection(n);t&&(d=t.getIntersectionArea(c))}else d=i.getIntersectionArea(c);n&&(h=n.getIntersectionArea(c));const u={positionName:l,positionRect:c,limiterIntersectArea:d,viewportIntersectArea:h};if(d===s)return[u];r.push(u)}return r}(t,e);if(i){const t=ec(r.filter(({viewportIntersectArea:t})=>t===n),n);if(t)return t}return ec(r,n)}(o,{targetRect:a,elementRect:s,limiterRect:i&&new Zr(i).getVisible(),viewportRect:n&&new Zr(tr.window)});[c,l]=t||tc(o[0],a,s)}else[c,l]=tc(o[0],a,s);let d=oc(l);return r&&(d=function({left:t,top:e},o){const i=oc(new Zr(o)),n=Qr(o);return t-=i.left,e-=i.top,t+=o.scrollLeft,e+=o.scrollTop,t-=n.left,e-=n.top,{left:t,top:e}}(d,r)),{left:d.left,top:d.top,name:c}}function tc(t,e,o){const i=t(e,o);if(!i)return null;const{left:n,top:r,name:s}=i;return[s,o.clone().moveTo(n,r)]}function ec(t,e){let o,i,n=0;for(const{positionName:r,positionRect:s,limiterIntersectArea:a,viewportIntersectArea:l}of t){if(a===e)return[r,s];const t=l**2+a**2;t>n&&(n=t,o=s,i=r)}return o?[i,o]:null}function oc({left:t,top:e}){const{scrollX:o,scrollY:i}=tr.window;return{left:t+o,top:e+i}}function ic(t){return e=>e+t}Co(Xl,cr),Co(Xl,Wi);o(18);const nc=ic("px"),rc=tr.document.body;class sc extends Xl{constructor(t){super(t);const e=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("position","arrow_nw"),this.set("isVisible",!1),this.set("withArrow",!0),this.set("class"),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-panel",e.to("position",t=>"ck-balloon-panel_"+t),e.if("isVisible","ck-balloon-panel_visible"),e.if("withArrow","ck-balloon-panel_with-arrow"),e.to("class")],style:{top:e.to("top",nc),left:e.to("left",nc)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(t){this.show();const e=sc.defaultPositions,o=Object.assign({},{element:this.element,positions:[e.southArrowNorth,e.southArrowNorthMiddleWest,e.southArrowNorthMiddleEast,e.southArrowNorthWest,e.southArrowNorthEast,e.northArrowSouth,e.northArrowSouthMiddleWest,e.northArrowSouthMiddleEast,e.northArrowSouthWest,e.northArrowSouthEast],limiter:rc,fitInViewport:!0},t),i=sc._getOptimalPosition(o),n=parseInt(i.left),r=parseInt(i.top),s=i.name;Object.assign(this,{top:r,left:n,position:s})}pin(t){this.unpin(),this._pinWhenIsVisibleCallback=()=>{this.isVisible?this._startPinning(t):this._stopPinning()},this._startPinning(t),this.listenTo(this,"change:isVisible",this._pinWhenIsVisibleCallback)}unpin(){this._pinWhenIsVisibleCallback&&(this._stopPinning(),this.stopListening(this,"change:isVisible",this._pinWhenIsVisibleCallback),this._pinWhenIsVisibleCallback=null,this.hide())}_startPinning(t){this.attachTo(t);const e=ac(t.target),o=t.limiter?ac(t.limiter):rc;this.listenTo(tr.document,"scroll",(i,n)=>{const r=n.target,s=e&&r.contains(e),a=o&&r.contains(o);!s&&!a&&e&&o||this.attachTo(t)},{useCapture:!0}),this.listenTo(tr.window,"resize",()=>{this.attachTo(t)})}_stopPinning(){this.stopListening(tr.document,"scroll"),this.stopListening(tr.window,"resize")}}function ac(t){return io(t)?t:Yr(t)?t.commonAncestorContainer:"function"==typeof t?ac(t()):null}function lc(t,e){return t.top-e.height-sc.arrowVerticalOffset}function cc(t){return t.bottom+sc.arrowVerticalOffset}sc.arrowHorizontalOffset=25,sc.arrowVerticalOffset=10,sc._getOptimalPosition=Zl,sc.defaultPositions={northWestArrowSouthWest:(t,e)=>({top:lc(t,e),left:t.left-sc.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthMiddleWest:(t,e)=>({top:lc(t,e),left:t.left-.25*e.width-sc.arrowHorizontalOffset,name:"arrow_smw"}),northWestArrowSouth:(t,e)=>({top:lc(t,e),left:t.left-e.width/2,name:"arrow_s"}),northWestArrowSouthMiddleEast:(t,e)=>({top:lc(t,e),left:t.left-.75*e.width+sc.arrowHorizontalOffset,name:"arrow_sme"}),northWestArrowSouthEast:(t,e)=>({top:lc(t,e),left:t.left-e.width+sc.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(t,e)=>({top:lc(t,e),left:t.left+t.width/2-sc.arrowHorizontalOffset,name:"arrow_sw"}),northArrowSouthMiddleWest:(t,e)=>({top:lc(t,e),left:t.left+t.width/2-.25*e.width-sc.arrowHorizontalOffset,name:"arrow_smw"}),northArrowSouth:(t,e)=>({top:lc(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s"}),northArrowSouthMiddleEast:(t,e)=>({top:lc(t,e),left:t.left+t.width/2-.75*e.width+sc.arrowHorizontalOffset,name:"arrow_sme"}),northArrowSouthEast:(t,e)=>({top:lc(t,e),left:t.left+t.width/2-e.width+sc.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(t,e)=>({top:lc(t,e),left:t.right-sc.arrowHorizontalOffset,name:"arrow_sw"}),northEastArrowSouthMiddleWest:(t,e)=>({top:lc(t,e),left:t.right-.25*e.width-sc.arrowHorizontalOffset,name:"arrow_smw"}),northEastArrowSouth:(t,e)=>({top:lc(t,e),left:t.right-e.width/2,name:"arrow_s"}),northEastArrowSouthMiddleEast:(t,e)=>({top:lc(t,e),left:t.right-.75*e.width+sc.arrowHorizontalOffset,name:"arrow_sme"}),northEastArrowSouthEast:(t,e)=>({top:lc(t,e),left:t.right-e.width+sc.arrowHorizontalOffset,name:"arrow_se"}),southWestArrowNorthWest:(t,e)=>({top:cc(t),left:t.left-sc.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthMiddleWest:(t,e)=>({top:cc(t),left:t.left-.25*e.width-sc.arrowHorizontalOffset,name:"arrow_nmw"}),southWestArrowNorth:(t,e)=>({top:cc(t),left:t.left-e.width/2,name:"arrow_n"}),southWestArrowNorthMiddleEast:(t,e)=>({top:cc(t),left:t.left-.75*e.width+sc.arrowHorizontalOffset,name:"arrow_nme"}),southWestArrowNorthEast:(t,e)=>({top:cc(t),left:t.left-e.width+sc.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(t,e)=>({top:cc(t),left:t.left+t.width/2-sc.arrowHorizontalOffset,name:"arrow_nw"}),southArrowNorthMiddleWest:(t,e)=>({top:cc(t),left:t.left+t.width/2-.25*e.width-sc.arrowHorizontalOffset,name:"arrow_nmw"}),southArrowNorth:(t,e)=>({top:cc(t),left:t.left+t.width/2-e.width/2,name:"arrow_n"}),southArrowNorthMiddleEast:(t,e)=>({top:cc(t),left:t.left+t.width/2-.75*e.width+sc.arrowHorizontalOffset,name:"arrow_nme"}),southArrowNorthEast:(t,e)=>({top:cc(t),left:t.left+t.width/2-e.width+sc.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(t,e)=>({top:cc(t),left:t.right-sc.arrowHorizontalOffset,name:"arrow_nw"}),southEastArrowNorthMiddleWest:(t,e)=>({top:cc(t),left:t.right-.25*e.width-sc.arrowHorizontalOffset,name:"arrow_nmw"}),southEastArrowNorth:(t,e)=>({top:cc(t),left:t.right-e.width/2,name:"arrow_n"}),southEastArrowNorthMiddleEast:(t,e)=>({top:cc(t),left:t.right-.75*e.width+sc.arrowHorizontalOffset,name:"arrow_nme"}),southEastArrowNorthEast:(t,e)=>({top:cc(t),left:t.right-e.width+sc.arrowHorizontalOffset,name:"arrow_ne"})};o(20);class dc extends Xl{constructor(){super();const t=this.bindTemplate;this.set("content",""),this.set("viewBox","0 0 20 20"),this.set("fillColor",""),this.setTemplate({tag:"svg",ns:"http://www.w3.org/2000/svg",attributes:{class:["ck","ck-icon"],viewBox:t.to("viewBox")}})}render(){super.render(),this._updateXMLContent(),this._colorFillPaths(),this.on("change:content",()=>{this._updateXMLContent(),this._colorFillPaths()}),this.on("change:fillColor",()=>{this._colorFillPaths()})}_updateXMLContent(){if(this.content){const t=(new DOMParser).parseFromString(this.content.trim(),"image/svg+xml").querySelector("svg"),e=t.getAttribute("viewBox");for(e&&(this.viewBox=e),this.element.innerHTML="";t.childNodes.length>0;)this.element.appendChild(t.childNodes[0])}}_colorFillPaths(){this.fillColor&&this.element.querySelectorAll(".ck-icon__fill").forEach(t=>{t.style.fill=this.fillColor})}}o(22);class hc extends Xl{constructor(t){super(t),this.set("text",""),this.set("position","s");const e=this.bindTemplate;this.setTemplate({tag:"span",attributes:{class:["ck","ck-tooltip",e.to("position",t=>"ck-tooltip_"+t),e.if("text","ck-hidden",t=>!t.trim())]},children:[{tag:"span",attributes:{class:["ck","ck-tooltip__text"]},children:[{text:e.to("text")}]}]})}}o(24);class uc extends Xl{constructor(t){super(t);const e=this.bindTemplate,o=ho();this.set("class"),this.set("labelStyle"),this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isVisible",!0),this.set("isToggleable",!1),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.set("withKeystroke",!1),this.children=this.createCollection(),this.tooltipView=this._createTooltipView(),this.labelView=this._createLabelView(o),this.iconView=new dc,this.iconView.extendTemplate({attributes:{class:"ck-button__icon"}}),this.keystrokeView=this._createKeystrokeView(),this.bind("_tooltipString").to(this,"tooltip",this,"label",this,"keystroke",this._getTooltipString.bind(this)),this.setTemplate({tag:"button",attributes:{class:["ck","ck-button",e.to("class"),e.if("isEnabled","ck-disabled",t=>!t),e.if("isVisible","ck-hidden",t=>!t),e.to("isOn",t=>t?"ck-on":"ck-off"),e.if("withText","ck-button_with-text"),e.if("withKeystroke","ck-button_with-keystroke")],type:e.to("type",t=>t||"button"),tabindex:e.to("tabindex"),"aria-labelledby":"ck-editor__aria-label_"+o,"aria-disabled":e.if("isEnabled",!0,t=>!t),"aria-pressed":e.to("isOn",t=>!!this.isToggleable&&String(t))},children:this.children,on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(t=>{this.isEnabled?this.fire("execute"):t.preventDefault()})}})}render(){super.render(),this.icon&&(this.iconView.bind("content").to(this,"icon"),this.children.add(this.iconView)),this.children.add(this.tooltipView),this.children.add(this.labelView),this.withKeystroke&&this.children.add(this.keystrokeView)}focus(){this.element.focus()}_createTooltipView(){const t=new hc;return t.bind("text").to(this,"_tooltipString"),t.bind("position").to(this,"tooltipPosition"),t}_createLabelView(t){const e=new Xl,o=this.bindTemplate;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:o.to("labelStyle"),id:"ck-editor__aria-label_"+t},children:[{text:this.bindTemplate.to("label")}]}),e}_createKeystrokeView(){const t=new Xl;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__keystroke"]},children:[{text:this.bindTemplate.to("keystroke",t=>kn(t))}]}),t}_getTooltipString(t,e,o){return t?"string"==typeof t?t:(o&&(o=kn(o)),t instanceof Function?t(e,o):`${e}${o?` (${o})`:""}`):""}}class gc{constructor(){this.set("isFocused",!1),this.set("focusedElement",null),this._elements=new Set,this._nextEventLoopTimeout=null}add(t){if(this._elements.has(t))throw new go.b("focusTracker-add-element-already-exist",this);this.listenTo(t,"focus",()=>this._focus(t),{useCapture:!0}),this.listenTo(t,"blur",()=>this._blur(),{useCapture:!0}),this._elements.add(t)}remove(t){t===this.focusedElement&&this._blur(t),this._elements.has(t)&&(this.stopListening(t),this._elements.delete(t))}destroy(){this.stopListening()}_focus(t){clearTimeout(this._nextEventLoopTimeout),this.focusedElement=t,this.isFocused=!0}_blur(){clearTimeout(this._nextEventLoopTimeout),this._nextEventLoopTimeout=setTimeout(()=>{this.focusedElement=null,this.isFocused=!1},0)}}Co(gc,cr),Co(gc,Wi);o(26),o(28);const mc=ic("px");class fc extends Rl{static get pluginName(){return"ContextualBalloon"}constructor(t){super(t),this.positionLimiter=()=>{const t=this.editor.editing.view,e=t.document.selection.editableElement;return e?t.domConverter.mapViewToDom(e.root):null},this.set("visibleView",null),this.view=new sc(t.locale),t.ui.view.body.add(this.view),t.ui.focusTracker.add(this.view.element),this._viewToStack=new Map,this._idToStack=new Map,this.set("_numberOfStacks",0),this.set("_singleViewMode",!1),this._rotatorView=this._createRotatorView(),this._fakePanelsView=this._createFakePanelsView()}hasView(t){return Array.from(this._viewToStack.keys()).includes(t)}add(t){if(this.hasView(t.view))throw new go.b("contextualballoon-add-view-exist: Cannot add configuration of the same view twice.",[this,t]);const e=t.stackId||"main";if(!this._idToStack.has(e))return this._idToStack.set(e,new Map([[t.view,t]])),this._viewToStack.set(t.view,this._idToStack.get(e)),this._numberOfStacks=this._idToStack.size,void(this._visibleStack&&!t.singleViewMode||this.showStack(e));const o=this._idToStack.get(e);t.singleViewMode&&this.showStack(e),o.set(t.view,t),this._viewToStack.set(t.view,o),o===this._visibleStack&&this._showView(t)}remove(t){if(!this.hasView(t))throw new go.b("contextualballoon-remove-view-not-exist: Cannot remove the configuration of a non-existent view.",[this,t]);const e=this._viewToStack.get(t);this._singleViewMode&&this.visibleView===t&&(this._singleViewMode=!1),this.visibleView===t&&(1===e.size?this._idToStack.size>1?this._showNextStack():(this.view.hide(),this.visibleView=null,this._rotatorView.hideView()):this._showView(Array.from(e.values())[e.size-2])),1===e.size?(this._idToStack.delete(this._getStackId(e)),this._numberOfStacks=this._idToStack.size):e.delete(t),this._viewToStack.delete(t)}updatePosition(t){t&&(this._visibleStack.get(this.visibleView).position=t),this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition()}showStack(t){this.visibleStack=t;const e=this._idToStack.get(t);if(!e)throw new go.b("contextualballoon-showstack-stack-not-exist: Cannot show a stack that does not exist.",this);this._visibleStack!==e&&this._showView(Array.from(e.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(t){return Array.from(this._idToStack.entries()).find(e=>e[1]===t)[0]}_showNextStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)+1;t[e]||(e=0),this.showStack(this._getStackId(t[e]))}_showPrevStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)-1;t[e]||(e=t.length-1),this.showStack(this._getStackId(t[e]))}_createRotatorView(){const t=new pc(this.editor.locale),e=this.editor.locale.t;return this.view.content.add(t),t.bind("isNavigationVisible").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>!e&&t>1),t.on("change:isNavigationVisible",()=>this.updatePosition(),{priority:"low"}),t.bind("counter").to(this,"visibleView",this,"_numberOfStacks",(t,o)=>{if(o<2)return"";const i=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return e("%0 of %1",[i,o])}),t.buttonNextView.on("execute",()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showNextStack()}),t.buttonPrevView.on("execute",()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showPrevStack()}),t}_createFakePanelsView(){const t=new bc(this.editor.locale,this.view);return t.bind("numberOfPanels").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>!e&&t>=2?Math.min(t-1,2):0),t.listenTo(this.view,"change:top",()=>t.updatePosition()),t.listenTo(this.view,"change:left",()=>t.updatePosition()),this.editor.ui.view.body.add(t),t}_showView({view:t,balloonClassName:e="",withArrow:o=!0,singleViewMode:i=!1}){this.view.class=e,this.view.withArrow=o,this._rotatorView.showView(t),this.visibleView=t,this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition(),i&&(this._singleViewMode=!0)}_getBalloonPosition(){let t=Array.from(this._visibleStack.values()).pop().position;return t&&!t.limiter&&(t=Object.assign({},t,{limiter:this.positionLimiter})),t}}class pc extends Xl{constructor(t){super(t);const e=t.t,o=this.bindTemplate;this.set("isNavigationVisible",!0),this.focusTracker=new gc,this.buttonPrevView=this._createButtonView(e("Previous"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.463 5.187a.888.888 0 1 1 1.254 1.255L9.16 10l3.557 3.557a.888.888 0 1 1-1.254 1.255L7.26 10.61a.888.888 0 0 1 .16-1.382l4.043-4.042z"/></svg>'),this.buttonNextView=this._createButtonView(e("Next"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8.537 14.813a.888.888 0 1 1-1.254-1.255L10.84 10 7.283 6.442a.888.888 0 1 1 1.254-1.255L12.74 9.39a.888.888 0 0 1-.16 1.382l-4.043 4.042z"/></svg>'),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-rotator"],"z-index":"-1"},children:[{tag:"div",attributes:{class:["ck-balloon-rotator__navigation",o.to("isNavigationVisible",t=>t?"":"ck-hidden")]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:o.to("counter")}]},this.buttonNextView]},{tag:"div",attributes:{class:"ck-balloon-rotator__content"},children:this.content}]})}render(){super.render(),this.focusTracker.add(this.element)}showView(t){this.hideView(),this.content.add(t)}hideView(){this.content.clear()}_createButtonView(t,e){const o=new uc(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o}}class bc extends Xl{constructor(t,e){super(t);const o=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("height",0),this.set("width",0),this.set("numberOfPanels",0),this.content=this.createCollection(),this._balloonPanelView=e,this.setTemplate({tag:"div",attributes:{class:["ck-fake-panel",o.to("numberOfPanels",t=>t?"":"ck-hidden")],style:{top:o.to("top",mc),left:o.to("left",mc),width:o.to("width",mc),height:o.to("height",mc)}},children:this.content}),this.on("change:numberOfPanels",(t,e,o,i)=>{o>i?this._addPanels(o-i):this._removePanels(i-o),this.updatePosition()})}_addPanels(t){for(;t--;){const t=new Xl;t.setTemplate({tag:"div"}),this.content.add(t),this.registerChild(t)}}_removePanels(t){for(;t--;){const t=this.content.last;this.content.remove(t),this.deregisterChild(t),t.destroy()}}updatePosition(){if(this.numberOfPanels){const{top:t,left:e}=this._balloonPanelView,{width:o,height:i}=new Zr(this._balloonPanelView.element);Object.assign(this,{top:t,left:e,width:o,height:i})}}}class wc{constructor(t){if(Object.assign(this,t),t.actions&&t.keystrokeHandler)for(const e in t.actions){let o=t.actions[e];"string"==typeof o&&(o=[o]);for(const i of o)t.keystrokeHandler.set(i,(t,o)=>{this[e](),o()})}}get first(){return this.focusables.find(kc)||null}get last(){return this.focusables.filter(kc).slice(-1)[0]||null}get next(){return this._getFocusableItem(1)}get previous(){return this._getFocusableItem(-1)}get current(){let t=null;return null===this.focusTracker.focusedElement?null:(this.focusables.find((e,o)=>{const i=e.element===this.focusTracker.focusedElement;return i&&(t=o),i}),t)}focusFirst(){this._focus(this.first)}focusLast(){this._focus(this.last)}focusNext(){this._focus(this.next)}focusPrevious(){this._focus(this.previous)}_focus(t){t&&t.focus()}_getFocusableItem(t){const e=this.current,o=this.focusables.length;if(!o)return null;if(null===e)return this[1===t?"first":"last"];let i=(e+o+t)%o;do{const e=this.focusables.get(i);if(kc(e))return e;i=(i+o+t)%o}while(i!==e);return null}}function kc(t){return!(!t.focus||"none"==tr.window.getComputedStyle(t.element).display)}class _c extends Xl{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}class vc{constructor(t,e){vc._observerInstance||vc._createObserver(),this._element=t,this._callback=e,vc._addElementCallback(t,e),vc._observerInstance.observe(t)}destroy(){vc._deleteElementCallback(this._element,this._callback)}static _addElementCallback(t,e){vc._elementCallbacks||(vc._elementCallbacks=new Map);let o=vc._elementCallbacks.get(t);o||(o=new Set,vc._elementCallbacks.set(t,o)),o.add(e)}static _deleteElementCallback(t,e){const o=vc._getElementCallbacks(t);o&&(o.delete(e),o.size||(vc._elementCallbacks.delete(t),vc._observerInstance.unobserve(t))),vc._elementCallbacks&&!vc._elementCallbacks.size&&(vc._observerInstance=null,vc._elementCallbacks=null)}static _getElementCallbacks(t){return vc._elementCallbacks?vc._elementCallbacks.get(t):null}static _createObserver(){let t;t="function"==typeof tr.window.ResizeObserver?tr.window.ResizeObserver:yc,vc._observerInstance=new t(t=>{for(const e of t){if(!e.target.offsetParent)continue;const t=vc._getElementCallbacks(e.target);if(t)for(const o of t)o(e)}})}}vc._observerInstance=null,vc._elementCallbacks=null;class yc{constructor(t){this._callback=t,this._elements=new Set,this._previousRects=new Map,this._periodicCheckTimeout=null}observe(t){this._elements.add(t),this._checkElementRectsAndExecuteCallback(),1===this._elements.size&&this._startPeriodicCheck()}unobserve(t){this._elements.delete(t),this._previousRects.delete(t),this._elements.size||this._stopPeriodicCheck()}_startPeriodicCheck(){const t=()=>{this._checkElementRectsAndExecuteCallback(),this._periodicCheckTimeout=setTimeout(t,100)};this.listenTo(tr.window,"resize",()=>{this._checkElementRectsAndExecuteCallback()}),this._periodicCheckTimeout=setTimeout(t,100)}_stopPeriodicCheck(){clearTimeout(this._periodicCheckTimeout),this.stopListening(),this._previousRects.clear()}_checkElementRectsAndExecuteCallback(){const t=[];for(const e of this._elements)this._hasRectChanged(e)&&t.push({target:e,contentRect:this._previousRects.get(e)});t.length&&this._callback(t)}_hasRectChanged(t){if(!t.ownerDocument.body.contains(t))return!1;const e=new Zr(t),o=this._previousRects.get(t),i=!o||!o.isEqual(e);return this._previousRects.set(t,e),i}}Co(yc,cr);class xc extends Xl{constructor(t){super(t);const e=this.bindTemplate;this.set("isVisible",!1),this.set("position","se"),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-dropdown__panel",e.to("position",t=>"ck-dropdown__panel_"+t),e.if("isVisible","ck-dropdown__panel-visible")]},children:this.children,on:{selectstart:e.to(t=>t.preventDefault())}})}focus(){this.children.length&&this.children.first.focus()}focusLast(){if(this.children.length){const t=this.children.last;"function"==typeof t.focusLast?t.focusLast():t.focus()}}}o(30);class Cc extends Xl{constructor(t,e,o){super(t);const i=this.bindTemplate;this.buttonView=e,this.panelView=o,this.set("isOpen",!1),this.set("isEnabled",!0),this.set("class"),this.set("id"),this.set("panelPosition","auto"),this.keystrokes=new Al,this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",i.to("class"),i.if("isEnabled","ck-disabled",t=>!t)],id:i.to("id"),"aria-describedby":i.to("ariaDescribedById")},children:[e,o]}),e.extendTemplate({attributes:{class:["ck-dropdown__button"]}})}render(){super.render(),this.listenTo(this.buttonView,"open",()=>{this.isOpen=!this.isOpen}),this.panelView.bind("isVisible").to(this,"isOpen"),this.on("change:isOpen",()=>{this.isOpen&&("auto"===this.panelPosition?this.panelView.position=Cc._getOptimalPosition({element:this.panelView.element,target:this.buttonView.element,fitInViewport:!0,positions:this._panelPositions}).name:this.panelView.position=this.panelPosition)}),this.keystrokes.listenTo(this.element);const t=(t,e)=>{this.isOpen&&(this.buttonView.focus(),this.isOpen=!1,e())};this.keystrokes.set("arrowdown",(t,e)=>{this.buttonView.isEnabled&&!this.isOpen&&(this.isOpen=!0,e())}),this.keystrokes.set("arrowright",(t,e)=>{this.isOpen&&e()}),this.keystrokes.set("arrowleft",t),this.keystrokes.set("esc",t)}focus(){this.buttonView.focus()}get _panelPositions(){const{southEast:t,southWest:e,northEast:o,northWest:i}=Cc.defaultPanelPositions;return"ltr"===this.locale.uiLanguageDirection?[t,e,o,i]:[e,t,i,o]}}Cc.defaultPanelPositions={southEast:t=>({top:t.bottom,left:t.left,name:"se"}),southWest:(t,e)=>({top:t.bottom,left:t.left-e.width+t.width,name:"sw"}),northEast:(t,e)=>({top:t.top-e.height,left:t.left,name:"ne"}),northWest:(t,e)=>({top:t.bottom-e.height,left:t.left-e.width+t.width,name:"nw"})},Cc._getOptimalPosition=Zl;var Ac='<svg viewBox="0 0 10 10" xmlns="http://www.w3.org/2000/svg"><path d="M.941 4.523a.75.75 0 1 1 1.06-1.06l3.006 3.005 3.005-3.005a.75.75 0 1 1 1.06 1.06l-3.549 3.55a.75.75 0 0 1-1.168-.136L.941 4.523z"/></svg>';class Tc extends uc{constructor(t){super(t),this.arrowView=this._createArrowView(),this.extendTemplate({attributes:{"aria-haspopup":!0}}),this.delegate("execute").to(this,"open")}render(){super.render(),this.children.add(this.arrowView)}_createArrowView(){const t=new dc;return t.content=Ac,t.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),t}}o(32);class Pc extends Xl{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new gc,this.keystrokes=new Al,this._focusCycler=new wc({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}}),this.setTemplate({tag:"ul",attributes:{class:["ck","ck-reset","ck-list"]},children:this.items})}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",(t,e)=>{this.focusTracker.add(e.element)}),this.items.on("remove",(t,e)=>{this.focusTracker.remove(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}}class Sc extends Xl{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__item"]},children:this.children})}focus(){this.children.first.focus()}}class Ec extends Xl{constructor(t){super(t),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}o(34);class Rc extends uc{constructor(t){super(t),this.isToggleable=!0,this.toggleSwitchView=this._createToggleView(),this.extendTemplate({attributes:{class:"ck-switchbutton"}})}render(){super.render(),this.children.add(this.toggleSwitchView)}_createToggleView(){const t=new Xl;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]}),t}}function Ic({emitter:t,activator:e,callback:o,contextElements:i}){t.listenTo(document,"mousedown",(t,{target:n})=>{if(e()){for(const t of i)if(t.contains(n))return;o()}})}o(36),o(38);function Vc(t,e=Tc){const o=new e(t),i=new xc(t),n=new Cc(t,o,i);return o.bind("isEnabled").to(n),o instanceof Tc?o.bind("isOn").to(n,"isOpen"):o.arrowView.bind("isOn").to(n,"isOpen"),function(t){(function(t){t.on("render",()=>{Ic({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=!1},contextElements:[t.element]})})})(t),function(t){t.on("execute",e=>{e.source instanceof Rc||(t.isOpen=!1)})}(t),function(t){t.keystrokes.set("arrowdown",(e,o)=>{t.isOpen&&(t.panelView.focus(),o())}),t.keystrokes.set("arrowup",(e,o)=>{t.isOpen&&(t.panelView.focusLast(),o())})}(t)}(n),n}function Oc(t,e){const o=t.locale,i=t.listView=new Pc(o);i.items.bindTo(e).using(({type:t,model:e})=>{if("separator"===t)return new Ec(o);if("button"===t||"switchbutton"===t){const i=new Sc(o);let n;return n="button"===t?new uc(o):new Rc(o),n.bind(...Object.keys(e)).to(e),n.delegate("execute").to(i),i.children.add(n),i}}),t.panelView.children.add(i),i.items.delegate("execute").to(t)}o(40);class Mc extends Xl{constructor(t,e){super(t);const o=this.bindTemplate,i=this.t;var n;this.options=e||{},this.set("ariaLabel",i("Editor toolbar")),this.set("maxWidth","auto"),this.items=this.createCollection(),this.focusTracker=new gc,this.keystrokes=new Al,this.set("class"),this.set("isCompact",!1),this.itemsView=new Nc(t),this.children=this.createCollection(),this.children.add(this.itemsView),this.focusables=this.createCollection(),this._focusCycler=new wc({focusables:this.focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:["arrowleft","arrowup"],focusNext:["arrowright","arrowdown"]}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar",o.to("class"),o.if("isCompact","ck-toolbar_compact")],role:"toolbar","aria-label":o.to("ariaLabel"),style:{maxWidth:o.to("maxWidth")}},children:this.children,on:{mousedown:(n=this,n.bindTemplate.to(t=>{t.target===n.element&&t.preventDefault()}))}}),this._behavior=this.options.shouldGroupWhenFull?new zc(this):new Bc(this)}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",(t,e)=>{this.focusTracker.add(e.element)}),this.items.on("remove",(t,e)=>{this.focusTracker.remove(e.element)}),this.keystrokes.listenTo(this.element),this._behavior.render(this)}destroy(){return this._behavior.destroy(),super.destroy()}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(t,e){t.map(t=>{"|"==t?this.items.add(new _c):e.has(t)?this.items.add(e.create(t)):console.warn(Object(go.a)("toolbarview-item-unavailable: The requested toolbar item is unavailable."),{name:t})})}}class Nc extends Xl{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class Bc{constructor(t){const e=t.bindTemplate;t.set("isVertical",!1),t.itemsView.children.bindTo(t.items).using(t=>t),t.focusables.bindTo(t.items).using(t=>t),t.extendTemplate({attributes:{class:[e.if("isVertical","ck-toolbar_vertical")]}})}render(){}destroy(){}}class zc{constructor(t){this.viewChildren=t.children,this.viewFocusables=t.focusables,this.viewItemsView=t.itemsView,this.viewFocusTracker=t.focusTracker,this.viewLocale=t.locale,this.ungroupedItems=t.createCollection(),this.groupedItems=t.createCollection(),this.groupedItemsDropdown=this._createGroupedItemsDropdown(),this.resizeObserver=null,this.cachedPadding=null,this.shouldUpdateGroupingOnNextResize=!1,t.itemsView.children.bindTo(this.ungroupedItems).using(t=>t),this.ungroupedItems.on("add",this._updateFocusCycleableItems.bind(this)),this.ungroupedItems.on("remove",this._updateFocusCycleableItems.bind(this)),t.children.on("add",this._updateFocusCycleableItems.bind(this)),t.children.on("remove",this._updateFocusCycleableItems.bind(this)),t.items.on("add",(t,e,o)=>{o>this.ungroupedItems.length?this.groupedItems.add(e,o-this.ungroupedItems.length):this.ungroupedItems.add(e,o),this._updateGrouping()}),t.items.on("remove",(t,e,o)=>{o>this.ungroupedItems.length?this.groupedItems.remove(e):this.ungroupedItems.remove(e),this._updateGrouping()}),t.extendTemplate({attributes:{class:["ck-toolbar_grouping"]}})}render(t){this.viewElement=t.element,this._enableGroupingOnResize(),this._enableGroupingOnMaxWidthChange(t)}destroy(){this.groupedItemsDropdown.destroy(),this.resizeObserver.destroy()}_updateGrouping(){if(!this.viewElement.ownerDocument.body.contains(this.viewElement))return;if(!this.viewElement.offsetParent)return void(this.shouldUpdateGroupingOnNextResize=!0);let t;for(;this._areItemsOverflowing;)this._groupLastItem(),t=!0;if(!t&&this.groupedItems.length){for(;this.groupedItems.length&&!this._areItemsOverflowing;)this._ungroupFirstItem();this._areItemsOverflowing&&this._groupLastItem()}}get _areItemsOverflowing(){if(!this.ungroupedItems.length)return!1;const t=this.viewElement,e=this.viewLocale.uiLanguageDirection,o=new Zr(t.lastChild),i=new Zr(t);if(!this.cachedPadding){const o=tr.window.getComputedStyle(t),i="ltr"===e?"paddingRight":"paddingLeft";this.cachedPadding=Number.parseInt(o[i])}return"ltr"===e?o.right>i.right-this.cachedPadding:o.left<i.left+this.cachedPadding}_enableGroupingOnResize(){let t;this.resizeObserver=new vc(this.viewElement,e=>{t&&t===e.contentRect.width&&!this.shouldUpdateGroupingOnNextResize||(this.shouldUpdateGroupingOnNextResize=!1,this._updateGrouping(),t=e.contentRect.width)}),this._updateGrouping()}_enableGroupingOnMaxWidthChange(t){t.on("change:maxWidth",()=>{this._updateGrouping()})}_groupLastItem(){this.groupedItems.length||(this.viewChildren.add(new _c),this.viewChildren.add(this.groupedItemsDropdown),this.viewFocusTracker.add(this.groupedItemsDropdown.element)),this.groupedItems.add(this.ungroupedItems.remove(this.ungroupedItems.last),0)}_ungroupFirstItem(){this.ungroupedItems.add(this.groupedItems.remove(this.groupedItems.first)),this.groupedItems.length||(this.viewChildren.remove(this.groupedItemsDropdown),this.viewChildren.remove(this.viewChildren.last),this.viewFocusTracker.remove(this.groupedItemsDropdown.element))}_createGroupedItemsDropdown(){const t=this.viewLocale,e=t.t,o=Vc(t);return o.class="ck-toolbar__grouped-dropdown",o.panelPosition="ltr"===t.uiLanguageDirection?"sw":"se",function(t,e){const o=t.locale,i=o.t,n=t.toolbarView=new Mc(o);n.set("ariaLabel",i("Dropdown toolbar")),t.extendTemplate({attributes:{class:["ck-toolbar-dropdown"]}}),e.map(t=>n.items.add(t)),t.panelView.children.add(n),n.items.delegate("execute").to(t)}(o,[]),o.buttonView.set({label:e("Show more items"),tooltip:!0,icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="9.5" cy="4.5" r="1.5"/><circle cx="9.5" cy="10.5" r="1.5"/><circle cx="9.5" cy="16.5" r="1.5"/></svg>'}),o.toolbarView.items.bindTo(this.groupedItems).using(t=>t),o}_updateFocusCycleableItems(){this.viewFocusables.clear(),this.ungroupedItems.map(t=>{this.viewFocusables.add(t)}),this.groupedItems.length&&this.viewFocusables.add(this.groupedItemsDropdown)}}function Fc(t){return Array.isArray(t)?{items:t}:t?Object.assign({items:[]},t):{items:[]}}const Dc=ic("px");class Lc extends Rl{static get pluginName(){return"BalloonToolbar"}static get requires(){return[fc]}constructor(t){super(t),this._balloonConfig=Fc(t.config.get("balloonToolbar")),this.toolbarView=this._createToolbarView(),this.focusTracker=new gc,t.ui.once("ready",()=>{this.focusTracker.add(t.ui.getEditableElement()),this.focusTracker.add(this.toolbarView.element)}),this._resizeObserver=null,this._balloon=t.plugins.get(fc),this._fireSelectionChangeDebounced=qr(()=>this.fire("_selectionChangeDebounced"),200),this.decorate("show")}init(){const t=this.editor,e=t.model.document.selection;this.listenTo(this.focusTracker,"change:isFocused",(t,e,o)=>{const i=this._balloon.visibleView===this.toolbarView;!o&&i?this.hide():o&&this.show()}),this.listenTo(e,"change:range",(t,o)=>{(o.directChange||e.isCollapsed)&&this.hide(),this._fireSelectionChangeDebounced()}),this.listenTo(this,"_selectionChangeDebounced",()=>{this.editor.editing.view.document.isFocused&&this.show()}),this._balloonConfig.shouldNotGroupWhenFull||this.listenTo(t,"ready",()=>{const e=t.ui.view.editable.element;this._resizeObserver=new vc(e,()=>{this.toolbarView.maxWidth=Dc(.9*new Zr(e).width)})})}afterInit(){const t=this.editor.ui.componentFactory;this.toolbarView.fillFromConfig(this._balloonConfig.items,t)}_createToolbarView(){const t=!this._balloonConfig.shouldNotGroupWhenFull,e=new Mc(this.editor.locale,{shouldGroupWhenFull:t});return e.extendTemplate({attributes:{class:["ck-toolbar_floating"]}}),e.render(),e}show(){const t=this.editor;this._balloon.hasView(this.toolbarView)||t.model.document.selection.isCollapsed||Array.from(this.toolbarView.items).every(t=>void 0!==t.isEnabled&&!t.isEnabled)||(this.listenTo(this.editor.ui,"update",()=>{this._balloon.updatePosition(this._getBalloonPositionData())}),this._balloon.add({view:this.toolbarView,position:this._getBalloonPositionData(),balloonClassName:"ck-toolbar-container"}))}hide(){this._balloon.hasView(this.toolbarView)&&(this.stopListening(this.editor.ui,"update"),this._balloon.remove(this.toolbarView))}_getBalloonPositionData(){const t=this.editor.editing.view,e=t.document,o=e.selection,i=e.selection.isBackward;return{target:()=>{const e=i?o.getFirstRange():o.getLastRange(),n=Zr.getDomRangeRects(t.domConverter.viewRangeToDom(e));return i?n[0]:(n.length>1&&0===n[n.length-1].width&&n.pop(),n[n.length-1])},positions:jc(i)}}destroy(){super.destroy(),this.stopListening(),this._fireSelectionChangeDebounced.cancel(),this.toolbarView.destroy(),this.focusTracker.destroy(),this._resizeObserver&&this._resizeObserver.destroy()}}function jc(t){const e=sc.defaultPositions;return t?[e.northWestArrowSouth,e.northWestArrowSouthWest,e.northWestArrowSouthEast,e.northWestArrowSouthMiddleEast,e.northWestArrowSouthMiddleWest,e.southWestArrowNorth,e.southWestArrowNorthWest,e.southWestArrowNorthEast,e.southWestArrowNorthMiddleWest,e.southWestArrowNorthMiddleEast]:[e.southEastArrowNorth,e.southEastArrowNorthEast,e.southEastArrowNorthWest,e.southEastArrowNorthMiddleEast,e.southEastArrowNorthMiddleWest,e.northEastArrowSouth,e.northEastArrowSouthEast,e.northEastArrowSouthWest,e.northEastArrowSouthMiddleEast,e.northEastArrowSouthMiddleWest]}class Hc{constructor(t){this.editor=t,this._components=new Map}*names(){for(const t of this._components.values())yield t.originalName}add(t,e){if(this.has(t))throw new go.b("componentfactory-item-exists: The item already exists in the component factory.",this,{name:t});this._components.set(Wc(t),{callback:e,originalName:t})}create(t){if(!this.has(t))throw new go.b("componentfactory-item-missing: The required component is not registered in the factory.",this,{name:t});return this._components.get(Wc(t)).callback(this.editor.locale)}has(t){return this._components.has(Wc(t))}}function Wc(t){return String(t).toLowerCase()}class qc{constructor(t){this.editor=t,this.componentFactory=new Hc(t),this.focusTracker=new gc,this._editableElementsMap=new Map,this.listenTo(t.editing.view.document,"layoutChanged",()=>this.update())}get element(){return null}update(){this.fire("update")}destroy(){this.stopListening(),this.focusTracker.destroy();for(const t of this._editableElementsMap.values())t.ckeditorInstance=null;this._editableElementsMap=new Map}setEditableElement(t,e){this._editableElementsMap.set(t,e),e.ckeditorInstance||(e.ckeditorInstance=this.editor)}getEditableElement(t="main"){return this._editableElementsMap.get(t)}getEditableElementsNames(){return this._editableElementsMap.keys()}get _editableElements(){return console.warn("editor-ui-deprecated-editable-elements: The EditorUI#_editableElements property has been deprecated and will be removed in the near future.",{editorUI:this}),this._editableElementsMap}}Co(qc,po);o(42);const Uc=new WeakMap;function $c(t){const{view:e,element:o,text:i,isDirectHost:n=!0}=t,r=e.document;Uc.has(r)||(Uc.set(r,new Map),r.registerPostFixer(t=>Kc(r,t))),Uc.get(r).set(o,{text:i,isDirectHost:n}),e.change(t=>Kc(r,t))}function Gc(t,e){return!!e.hasClass("ck-placeholder")&&(t.removeClass("ck-placeholder",e),!0)}function Kc(t,e){const o=Uc.get(t);let i=!1;for(const[t,n]of o)Jc(e,t,n)&&(i=!0);return i}function Jc(t,e,o){const{text:i,isDirectHost:n}=o,r=n?e:function(t){if(1===t.childCount){const e=t.getChild(0);if(e.is("element")&&!e.is("uiElement"))return e}return null}(e);let s=!1;return!!r&&(o.hostElement=r,r.getAttribute("data-placeholder")!==i&&(t.setAttribute("data-placeholder",i,r),s=!0),!function(t){if(!t.isAttached())return!1;const e=!Array.from(t.getChildren()).some(t=>!t.is("uiElement")),o=t.document;if(!o.isFocused&&e)return!0;const i=o.selection.anchor;return!(!e||!i||i.parent===t)}(r)?Gc(t,r)&&(s=!0):function(t,e){return!e.hasClass("ck-placeholder")&&(t.addClass("ck-placeholder",e),!0)}(t,r)&&(s=!0),s)}class Yc extends qc{constructor(t,e){super(t),this.view=e}get element(){return this.view.editable.element}init(){const t=this.editor,e=this.view,o=t.plugins.get("BalloonToolbar"),i=t.editing.view,n=e.editable,r=i.document.getRoot();n.name=r.rootName,e.render();const s=n.element;this.setEditableElement(n.name,s),this.focusTracker.add(s),n.bind("isFocused").to(this.focusTracker),i.attachDomRoot(s),function({origin:t,originKeystrokeHandler:e,originFocusTracker:o,toolbar:i,beforeFocus:n,afterBlur:r}){o.add(i.element),e.set("Alt+F10",(t,e)=>{o.isFocused&&!i.focusTracker.isFocused&&(n&&n(),i.focus(),e())}),i.keystrokes.set("Esc",(e,o)=>{i.focusTracker.isFocused&&(t.focus(),r&&r(),o())})}({origin:i,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:o.toolbarView,beforeFocus(){o.show()},afterBlur(){o.hide()}}),this._initPlaceholder(),this.fire("ready")}destroy(){const t=this.view;this.editor.editing.view.detachDomRoot(t.editable.name),t.destroy(),super.destroy()}_initPlaceholder(){const t=this.editor,e=t.editing.view,o=e.document.getRoot(),i=t.sourceElement,n=t.config.get("placeholder")||i&&"textarea"===i.tagName.toLowerCase()&&i.getAttribute("placeholder");n&&$c({view:e,element:o,text:n,isDirectHost:!1})}}var Qc=function(t){return"string"==typeof t||!Bt(t)&&p(t)&&"[object String]"==g(t)};function Xc(t,e,o={},i=[]){const n=o&&o.xmlns,r=n?t.createElementNS(n,e):t.createElement(e);for(const t in o)r.setAttribute(t,o[t]);!Qc(i)&&xo(i)||(i=[i]);for(let e of i)Qc(e)&&(e=t.createTextNode(e)),r.appendChild(e);return r}class Zc extends Vl{constructor(t,e=[]){super(e),this.locale=t}attachToDom(){this._bodyCollectionContainer=new Ol({tag:"div",attributes:{class:["ck","ck-reset_all","ck-body","ck-rounded-corners"],dir:this.locale.uiLanguageDirection},children:this}).render();let t=document.querySelector(".ck-body-wrapper");t||(t=Xc(document,"div",{class:"ck-body-wrapper"}),document.body.appendChild(t)),t.appendChild(this._bodyCollectionContainer)}detachFromDom(){super.destroy(),this._bodyCollectionContainer&&this._bodyCollectionContainer.remove();const t=document.querySelector(".ck-body-wrapper");t&&0==t.childElementCount&&t.remove()}}o(44);class td extends Xl{constructor(t){super(t),this.body=new Zc(t)}render(){super.render(),this.body.attachToDom()}destroy(){return this.body.detachFromDom(),super.destroy()}}class ed extends Xl{constructor(t,e,o){super(t),this.setTemplate({tag:"div",attributes:{class:["ck","ck-content","ck-editor__editable","ck-rounded-corners"],lang:t.contentLanguage,dir:t.contentLanguageDirection}}),this.name=null,this.set("isFocused",!1),this._editableElement=o,this._hasExternalElement=!!this._editableElement,this._editingView=e}render(){super.render(),this._hasExternalElement?this.template.apply(this.element=this._editableElement):this._editableElement=this.element,this.on("change:isFocused",()=>this._updateIsFocusedClasses()),this._updateIsFocusedClasses()}destroy(){this._hasExternalElement&&this.template.revert(this._editableElement),super.destroy()}_updateIsFocusedClasses(){const t=this._editingView;function e(e){t.change(o=>{const i=t.document.getRoot(e.name);o.addClass(e.isFocused?"ck-focused":"ck-blurred",i),o.removeClass(e.isFocused?"ck-blurred":"ck-focused",i)})}t.isRenderingInProgress?function o(i){t.once("change:isRenderingInProgress",(t,n,r)=>{r?o(i):e(i)})}(this):e(this)}}class od extends ed{constructor(t,e,o){super(t,e,o),this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const t=this._editingView,e=this.t;t.change(o=>{const i=t.document.getRoot(this.name);o.setAttribute("aria-label",e("Rich Text Editor, %0",[this.name]),i)})}}class id extends td{constructor(t,e,o){super(t),this.editable=new od(t,e,o)}render(){super.render(),this.registerChild(this.editable)}}function nd(t,e){t instanceof HTMLTextAreaElement&&(t.value=e),t.innerHTML=e}var rd={setData(t){this.data.set(t)},getData(t){return this.data.get(t)}};var sd={updateSourceElement(){if(!this.sourceElement)throw new go.b("editor-missing-sourceelement: Cannot update the source element of a detached editor.",this);nd(this.sourceElement,this.data.get())}};class ad extends Pl{constructor(t,e){super(e),io(t)&&(this.sourceElement=t,function(t){const e=t.sourceElement;if(e){if(e.ckeditorInstance)throw new go.b("editor-source-element-already-used: The DOM element cannot be used to create multiple editor instances.",t);e.ckeditorInstance=t,t.once("destroy",()=>{delete e.ckeditorInstance})}}(this));const o=this.config.get("plugins");o.push(Lc),this.config.set("plugins",o),this.config.define("balloonToolbar",this.config.get("toolbar")),this.data.processor=new El(this.data.viewDocument),this.model.document.createRoot();const i=new id(this.locale,this.editing.view,this.sourceElement);this.ui=new Yc(this,i),function(t){if(!D(t.updateSourceElement))throw new go.b("attachtoform-missing-elementapi-interface: Editor passed to attachToForm() must implement ElementApi.",t);const e=t.sourceElement;if(e&&"textarea"===e.tagName.toLowerCase()&&e.form){let o;const i=e.form,n=()=>t.updateSourceElement();D(i.submit)&&(o=i.submit,i.submit=()=>{n(),o.apply(i)}),i.addEventListener("submit",n),t.on("destroy",()=>{i.removeEventListener("submit",n),o&&(i.submit=o)})}}(this)}destroy(){const t=this.getData();return this.ui.destroy(),super.destroy().then(()=>{this.sourceElement&&nd(this.sourceElement,t)})}static create(t,e={}){return new Promise(o=>{const i=io(t);if(i&&"TEXTAREA"===t.tagName)throw new go.b("editor-wrong-element: This type of editor cannot be initialized inside <textarea> element.",null);const n=new this(t,e);o(n.initPlugins().then(()=>{n.ui.init()}).then(()=>{if(!i&&e.initialData)throw new go.b("editor-create-initial-data: The config.initialData option cannot be used together with initial data passed in Editor.create().",null);const o=e.initialData||function(t){return io(t)?(e=t,e instanceof HTMLTextAreaElement?e.value:e.innerHTML):t;var e}(t);return n.data.init(o)}).then(()=>n.fire("ready")).then(()=>n))})}}Co(ad,rd),Co(ad,sd);class ld{constructor(t){this.context=t}destroy(){this.stopListening()}static get isContextPlugin(){return!0}}Co(ld,Wi);class cd extends ld{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",!1),this._actions=new Ao({idProperty:"_id"}),this._actions.delegate("add","remove").to(this)}add(t){if("string"!=typeof t)throw new go.b("pendingactions-add-invalid-message: The message must be a string.",this);const e=Object.create(Wi);return e.set("message",t),this._actions.add(e),this.hasAny=!0,e}remove(t){this._actions.remove(t),this.hasAny=!!this._actions.length}get first(){return this._actions.get(0)}[Symbol.iterator](){return this._actions[Symbol.iterator]()}}class dd{constructor(){const t=new window.FileReader;this._reader=t,this._data=void 0,this.set("loaded",0),t.onprogress=t=>{this.loaded=t.loaded}}get error(){return this._reader.error}get data(){return this._data}read(t){const e=this._reader;return this.total=t.size,new Promise((o,i)=>{e.onload=()=>{const t=e.result;this._data=t,o(t)},e.onerror=()=>{i("error")},e.onabort=()=>{i("aborted")},this._reader.readAsDataURL(t)})}abort(){this._reader.abort()}}Co(dd,Wi);class hd extends Rl{static get pluginName(){return"FileRepository"}static get requires(){return[cd]}init(){this.loaders=new Ao,this.loaders.on("add",()=>this._updatePendingAction()),this.loaders.on("remove",()=>this._updatePendingAction()),this._loadersMap=new Map,this._pendingAction=null,this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(t,e)=>e?t/e*100:0)}getLoader(t){return this._loadersMap.get(t)||null}createLoader(t){if(!this.createUploadAdapter)return console.warn(Object(go.a)("filerepository-no-upload-adapter: Upload adapter is not defined.")),null;const e=new ud(Promise.resolve(t),this.createUploadAdapter);return this.loaders.add(e),this._loadersMap.set(t,e),t instanceof Promise&&e.file.then(t=>{this._loadersMap.set(t,e)}).catch(()=>{}),e.on("change:uploaded",()=>{let t=0;for(const e of this.loaders)t+=e.uploaded;this.uploaded=t}),e.on("change:uploadTotal",()=>{let t=0;for(const e of this.loaders)e.uploadTotal&&(t+=e.uploadTotal);this.uploadTotal=t}),e}destroyLoader(t){const e=t instanceof ud?t:this.getLoader(t);e._destroy(),this.loaders.remove(e),this._loadersMap.forEach((t,o)=>{t===e&&this._loadersMap.delete(o)})}_updatePendingAction(){const t=this.editor.plugins.get(cd);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t,o=t=>`${e("Upload in progress")} ${parseInt(t)}%.`;this._pendingAction=t.add(o(this.uploadedPercent)),this._pendingAction.bind("message").to(this,"uploadedPercent",o)}}else t.remove(this._pendingAction),this._pendingAction=null}}Co(hd,Wi);class ud{constructor(t,e){this.id=ho(),this._filePromiseWrapper=this._createFilePromiseWrapper(t),this._adapter=e(this),this._reader=new dd,this.set("status","idle"),this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(t,e)=>e?t/e*100:0),this.set("uploadResponse",null)}get file(){return this._filePromiseWrapper?this._filePromiseWrapper.promise.then(t=>this._filePromiseWrapper?t:null):Promise.resolve(null)}get data(){return this._reader.data}read(){if("idle"!=this.status)throw new go.b("filerepository-read-wrong-status: You cannot call read if the status is different than idle.",this);return this.status="reading",this.file.then(t=>this._reader.read(t)).then(t=>{if("reading"!==this.status)throw this.status;return this.status="idle",t}).catch(t=>{if("aborted"===t)throw this.status="aborted","aborted";throw this.status="error",this._reader.error?this._reader.error:t})}upload(){if("idle"!=this.status)throw new go.b("filerepository-upload-wrong-status: You cannot call upload if the status is different than idle.",this);return this.status="uploading",this.file.then(()=>this._adapter.upload()).then(t=>(this.uploadResponse=t,this.status="idle",t)).catch(t=>{if("aborted"===this.status)throw"aborted";throw this.status="error",t})}abort(){const t=this.status;this.status="aborted",this._filePromiseWrapper.isFulfilled?"reading"==t?this._reader.abort():"uploading"==t&&this._adapter.abort&&this._adapter.abort():(this._filePromiseWrapper.promise.catch(()=>{}),this._filePromiseWrapper.rejecter("aborted")),this._destroy()}_destroy(){this._filePromiseWrapper=void 0,this._reader=void 0,this._adapter=void 0,this.uploadResponse=void 0}_createFilePromiseWrapper(t){const e={};return e.promise=new Promise((o,i)=>{e.rejecter=i,e.isFulfilled=!1,t.then(t=>{e.isFulfilled=!0,o(t)}).catch(t=>{e.isFulfilled=!0,i(t)})}),e}}Co(ud,Wi);function gd(){let t=function(t){t=t.toLowerCase();const e=document.cookie.split(";");for(const o of e){const e=o.split("=");if(decodeURIComponent(e[0].trim().toLowerCase())===t)return decodeURIComponent(e[1])}return null}("ckCsrfToken");var e,o;return t&&40==t.length||(t=function(t){let e="";const o=new Uint8Array(t);window.crypto.getRandomValues(o);for(let t=0;t<o.length;t++){const i="abcdefghijklmnopqrstuvwxyz0123456789".charAt(o[t]%"abcdefghijklmnopqrstuvwxyz0123456789".length);e+=Math.random()>.5?i.toUpperCase():i}return e}(40),e="ckCsrfToken",o=t,document.cookie=encodeURIComponent(e)+"="+encodeURIComponent(o)+";path=/"),t}class md{constructor(t,e,o){this.loader=t,this.url=e,this.t=o}upload(){return this.loader.file.then(t=>new Promise((e,o)=>{this._initRequest(),this._initListeners(e,o,t),this._sendRequest(t)}))}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const t=this.xhr=new XMLHttpRequest;t.open("POST",this.url,!0),t.responseType="json"}_initListeners(t,e,o){const i=this.xhr,n=this.loader,r=(0,this.t)("Cannot upload file:")+` ${o.name}.`;i.addEventListener("error",()=>e(r)),i.addEventListener("abort",()=>e()),i.addEventListener("load",()=>{const o=i.response;if(!o||!o.uploaded)return e(o&&o.error&&o.error.message?o.error.message:r);t({default:o.url})}),i.upload&&i.upload.addEventListener("progress",t=>{t.lengthComputable&&(n.uploadTotal=t.total,n.uploaded=t.loaded)})}_sendRequest(t){const e=new FormData;e.append("upload",t),e.append("ckCsrfToken",gd()),this.xhr.send(e)}}class fd{static get pluginName(){return"BlockAutoformatEditing"}constructor(t,e,o){let i,n=null;"function"==typeof o?i=o:(n=t.commands.get(o),i=()=>{t.execute(o)}),t.model.document.on("change",(o,r)=>{if(n&&!n.isEnabled)return;if("transparent"==r.type)return;const s=Array.from(t.model.document.differ.getChanges()),a=s[0];if(1!=s.length||"insert"!==a.type||"$text"!=a.name||1!=a.length)return;const l=a.position.parent;if(!l.is("paragraph")||1!==l.childCount)return;const c=e.exec(l.getChild(0).data);c&&t.model.enqueueChange(t=>{const e=t.createPositionAt(l,0),o=t.createPositionAt(l,c[0].length),n=new Ns(e,o);!1!==i({match:c})&&t.remove(n),n.detach()})})}}function pd(t,e){let o=t.start;return{text:Array.from(t.getItems()).reduce((t,i)=>i.is("text")||i.is("textProxy")?t+i.data:(o=e.createPositionAfter(i),""),""),range:e.createRange(o,t.end)}}class bd{static get pluginName(){return"InlineAutoformatEditing"}constructor(t,e,o){let i,n,r,s;e instanceof RegExp?i=e:r=e,"string"==typeof o?n=o:s=o,r=r||(t=>{let e;const o=[],n=[];for(;null!==(e=i.exec(t))&&!(e&&e.length<4);){let{index:t,1:i,2:r,3:s}=e;const a=i+r+s;t+=e[0].length-a.length;const l=[t,t+i.length],c=[t+i.length+r.length,t+i.length+r.length+s.length];o.push(l),o.push(c),n.push([t+i.length,t+i.length+r.length])}return{remove:o,format:n}}),s=s||((e,o)=>{const i=t.model.schema.getValidRanges(o,n);for(const t of i)e.setAttribute(n,!0,t);e.removeSelectionAttribute(n)}),t.model.document.on("change",(e,o)=>{if("transparent"==o.type)return;const i=t.model,n=i.document.selection;if(!n.isCollapsed)return;const a=Array.from(i.document.differ.getChanges()),l=a[0];if(1!=a.length||"insert"!==l.type||"$text"!=l.name||1!=l.length)return;const c=n.focus,d=c.parent,{text:h,range:u}=pd(i.createRange(i.createPositionAt(d,0),c),i),g=r(h),m=wd(u.start,g.format,i),f=wd(u.start,g.remove,i);m.length&&f.length&&i.enqueueChange(t=>{if(!1!==s(t,m))for(const e of f.reverse())t.remove(e)})})}}function wd(t,e,o){return e.filter(t=>void 0!==t[0]&&void 0!==t[1]).map(e=>o.createRange(t.getShiftedBy(e[0]),t.getShiftedBy(e[1])))}function kd(t,e){return(o,i)=>{if(!t.commands.get(e).isEnabled)return!1;const n=t.model.schema.getValidRanges(i,e);for(const t of n)o.setAttribute(e,!0,t);o.removeSelectionAttribute(e)}}class _d{constructor(t){this.editor=t,this.set("value",void 0),this.set("isEnabled",!1),this._disableStack=new Set,this.decorate("execute"),this.listenTo(this.editor.model.document,"change",()=>{this.refresh()}),this.on("execute",t=>{this.isEnabled||t.stop()},{priority:"high"}),this.listenTo(t,"change:isReadOnly",(t,e,o)=>{o?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")})}refresh(){this.isEnabled=!0}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on("set:isEnabled",vd,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",vd),this.refresh())}execute(){}destroy(){this.stopListening()}}function vd(t){t.return=!1,t.stop()}Co(_d,Wi);class yd extends _d{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,o=e.document.selection,i=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(o.isCollapsed)i?t.setSelectionAttribute(this.attributeKey,!0):t.removeSelectionAttribute(this.attributeKey);else{const n=e.schema.getValidRanges(o.getRanges(),this.attributeKey);for(const e of n)i?t.setAttribute(this.attributeKey,i,e):t.removeAttribute(this.attributeKey,e)}})}_getValueFromFirstAllowedNode(){const t=this.editor.model,e=t.schema,o=t.document.selection;if(o.isCollapsed)return o.hasAttribute(this.attributeKey);for(const t of o.getRanges())for(const o of t.getItems())if(e.checkAttribute(o,this.attributeKey))return o.hasAttribute(this.attributeKey);return!1}}class xd extends Rl{static get pluginName(){return"BoldEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"bold"}),t.model.schema.setAttributeProperties("bold",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"bold",view:"strong",upcastAlso:["b",t=>{const e=t.getStyle("font-weight");return e?"bold"==e||Number(e)>=600?{name:!0,styles:["font-weight"]}:void 0:null}]}),t.commands.add("bold",new yd(t,"bold")),t.keystrokes.set("CTRL+B","bold")}}class Cd extends Rl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("bold",o=>{const i=t.commands.get("bold"),n=new uc(o);return n.set({label:e("Bold"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M10.187 17H5.773c-.637 0-1.092-.138-1.364-.415-.273-.277-.409-.718-.409-1.323V4.738c0-.617.14-1.062.419-1.332.279-.27.73-.406 1.354-.406h4.68c.69 0 1.288.041 1.793.124.506.083.96.242 1.36.478.341.197.644.447.906.75a3.262 3.262 0 0 1 .808 2.162c0 1.401-.722 2.426-2.167 3.075C15.05 10.175 16 11.315 16 13.01a3.756 3.756 0 0 1-2.296 3.504 6.1 6.1 0 0 1-1.517.377c-.571.073-1.238.11-2 .11zm-.217-6.217H7v4.087h3.069c1.977 0 2.965-.69 2.965-2.072 0-.707-.256-1.22-.768-1.537-.512-.319-1.277-.478-2.296-.478zM7 5.13v3.619h2.606c.729 0 1.292-.067 1.69-.2a1.6 1.6 0 0 0 .91-.765c.165-.267.247-.566.247-.897 0-.707-.26-1.176-.778-1.409-.519-.232-1.31-.348-2.375-.348H7z"/></svg>',keystroke:"CTRL+B",tooltip:!0,isToggleable:!0}),n.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(n,"execute",()=>{t.execute("bold"),t.editing.view.focus()}),n})}}class Ad extends Rl{static get pluginName(){return"ItalicEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"italic"}),t.model.schema.setAttributeProperties("italic",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"italic",view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),t.commands.add("italic",new yd(t,"italic")),t.keystrokes.set("CTRL+I","italic")}}class Td extends Rl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("italic",o=>{const i=t.commands.get("italic"),n=new uc(o);return n.set({label:e("Italic"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M9.586 14.633l.021.004c-.036.335.095.655.393.962.082.083.173.15.274.201h1.474a.6.6 0 1 1 0 1.2H5.304a.6.6 0 0 1 0-1.2h1.15c.474-.07.809-.182 1.005-.334.157-.122.291-.32.404-.597l2.416-9.55a1.053 1.053 0 0 0-.281-.823 1.12 1.12 0 0 0-.442-.296H8.15a.6.6 0 0 1 0-1.2h6.443a.6.6 0 1 1 0 1.2h-1.195c-.376.056-.65.155-.823.296-.215.175-.423.439-.623.79l-2.366 9.347z"/></svg>',keystroke:"CTRL+I",tooltip:!0,isToggleable:!0}),n.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(n,"execute",()=>{t.execute("italic"),t.editing.view.focus()}),n})}}class Pd extends Rl{static get pluginName(){return"SuperscriptEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"superscript"}),t.model.schema.setAttributeProperties("superscript",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"superscript",view:"sup",upcastAlso:[{styles:{"vertical-align":"super"}}]}),t.commands.add("superscript",new yd(t,"superscript"))}}class Sd extends Rl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("superscript",o=>{const i=t.commands.get("superscript"),n=new uc(o);return n.set({label:e("Superscript"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M15.677 8.678h2.549c.254 0 .447.05.58.152a.49.49 0 0 1 .201.413.54.54 0 0 1-.159.393c-.105.108-.266.162-.48.162h-3.594c-.245 0-.435-.066-.572-.197a.621.621 0 0 1-.205-.463c0-.114.044-.265.132-.453a1.62 1.62 0 0 1 .288-.444c.433-.436.824-.81 1.172-1.122.348-.312.597-.517.747-.615.267-.183.49-.368.667-.553.177-.185.312-.375.405-.57.093-.194.139-.384.139-.57a1.008 1.008 0 0 0-.554-.917 1.197 1.197 0 0 0-.56-.133c-.426 0-.761.182-1.005.546a2.332 2.332 0 0 0-.164.39 1.609 1.609 0 0 1-.258.488c-.096.114-.237.17-.423.17a.558.558 0 0 1-.405-.156.568.568 0 0 1-.161-.427c0-.218.05-.446.151-.683.101-.238.252-.453.452-.646s.454-.349.762-.467a2.998 2.998 0 0 1 1.081-.178c.498 0 .923.076 1.274.228a1.916 1.916 0 0 1 1.004 1.032 1.984 1.984 0 0 1-.156 1.794c-.2.32-.405.572-.613.754-.208.182-.558.468-1.048.857-.49.39-.826.691-1.008.906a2.703 2.703 0 0 0-.24.309zM7.03 10.349l3.818-3.819a.8.8 0 1 1 1.132 1.132L8.16 11.48l3.819 3.818a.8.8 0 1 1-1.132 1.132L7.03 12.61l-3.818 3.82a.8.8 0 1 1-1.132-1.132L5.9 11.48 2.08 7.662A.8.8 0 1 1 3.212 6.53l3.818 3.82z"/></svg>',tooltip:!0,isToggleable:!0}),n.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(n,"execute",()=>{t.execute("superscript"),t.editing.view.focus()}),n})}}class Ed extends Rl{static get pluginName(){return"SubscriptEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"subscript"}),t.model.schema.setAttributeProperties("subscript",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"subscript",view:"sub",upcastAlso:[{styles:{"vertical-align":"sub"}}]}),t.commands.add("subscript",new yd(t,"subscript"))}}class Rd extends Rl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("subscript",o=>{const i=t.commands.get("subscript"),n=new uc(o);return n.set({label:e("Subscript"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7.03 10.349l3.818-3.819a.8.8 0 1 1 1.132 1.132L8.16 11.48l3.819 3.818a.8.8 0 1 1-1.132 1.132L7.03 12.61l-3.818 3.82a.8.8 0 1 1-1.132-1.132L5.9 11.48 2.08 7.662A.8.8 0 1 1 3.212 6.53l3.818 3.82zm8.147 7.829h2.549c.254 0 .447.05.58.152a.49.49 0 0 1 .201.413.54.54 0 0 1-.159.393c-.105.108-.266.162-.48.162h-3.594c-.245 0-.435-.066-.572-.197a.621.621 0 0 1-.205-.463c0-.114.044-.265.132-.453a1.62 1.62 0 0 1 .288-.444c.433-.436.824-.81 1.172-1.122.348-.312.597-.517.747-.615.267-.183.49-.368.667-.553.177-.185.312-.375.405-.57.093-.194.139-.384.139-.57a1.008 1.008 0 0 0-.554-.917 1.197 1.197 0 0 0-.56-.133c-.426 0-.761.182-1.005.546a2.332 2.332 0 0 0-.164.39 1.609 1.609 0 0 1-.258.488c-.096.114-.237.17-.423.17a.558.558 0 0 1-.405-.156.568.568 0 0 1-.161-.427c0-.218.05-.446.151-.683.101-.238.252-.453.452-.646s.454-.349.762-.467a2.998 2.998 0 0 1 1.081-.178c.498 0 .923.076 1.274.228a1.916 1.916 0 0 1 1.004 1.032 1.984 1.984 0 0 1-.156 1.794c-.2.32-.405.572-.613.754-.208.182-.558.468-1.048.857-.49.39-.826.691-1.008.906a2.703 2.703 0 0 0-.24.309z"/></svg>',tooltip:!0,isToggleable:!0}),n.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(n,"execute",()=>{t.execute("subscript"),t.editing.view.focus()}),n})}}class Id extends Rl{static get pluginName(){return"UnderlineEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"underline"}),t.model.schema.setAttributeProperties("underline",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"underline",view:"u",upcastAlso:{styles:{"text-decoration":"underline"}}}),t.commands.add("underline",new yd(t,"underline")),t.keystrokes.set("CTRL+U","underline")}}class Vd extends Rl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("underline",o=>{const i=t.commands.get("underline"),n=new uc(o);return n.set({label:e("Underline"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 18v-1.5h14V18zm2.2-8V3.6c0-.4.4-.6.8-.6.3 0 .7.2.7.6v6.2c0 2 1.3 2.8 3.2 2.8 1.9 0 3.4-.9 3.4-2.9V3.6c0-.3.4-.5.8-.5.3 0 .7.2.7.5V10c0 2.7-2.2 4-4.9 4-2.6 0-4.7-1.2-4.7-4z"/></svg>',keystroke:"CTRL+U",tooltip:!0,isToggleable:!0}),n.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(n,"execute",()=>{t.execute("underline"),t.editing.view.focus()}),n})}}class Od extends Rl{static get pluginName(){return"StrikethroughEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"strikethrough"}),t.model.schema.setAttributeProperties("strikethrough",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"strikethrough",view:"s",upcastAlso:["del","strike",{styles:{"text-decoration":"line-through"}}]}),t.commands.add("strikethrough",new yd(t,"strikethrough")),t.keystrokes.set("CTRL+SHIFT+X","strikethrough")}}class Md extends Rl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("strikethrough",o=>{const i=t.commands.get("strikethrough"),n=new uc(o);return n.set({label:e("Strikethrough"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 16.4c-.8-.4-1.5-.9-2.2-1.5a.6.6 0 0 1-.2-.5l.3-.6h1c1 1.2 2.1 1.7 3.7 1.7 1 0 1.8-.3 2.3-.6.6-.4.6-1.2.6-1.3.2-1.2-.9-2.1-.9-2.1h2.1c.3.7.4 1.2.4 1.7v.8l-.6 1.2c-.6.8-1.1 1-1.6 1.2a6 6 0 0 1-2.4.6c-1 0-1.8-.3-2.5-.6zM6.8 9L6 8.3c-.4-.5-.5-.8-.5-1.6 0-.7.1-1.3.5-1.8.4-.6 1-1 1.6-1.3a6.3 6.3 0 0 1 4.7 0 4 4 0 0 1 1.7 1l.3.7c0 .1.2.4-.2.7-.4.2-.9.1-1 0a3 3 0 0 0-1.2-1c-.4-.2-1-.3-2-.4-.7 0-1.4.2-2 .6-.8.6-1 .8-1 1.5 0 .8.5 1 1.2 1.5.6.4 1.1.7 1.9 1H6.8z"/><path d="M3 10.5V9h14v1.5z"/></svg>',keystroke:"CTRL+SHIFT+X",tooltip:!0,isToggleable:!0}),n.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(n,"execute",()=>{t.execute("strikethrough"),t.editing.view.focus()}),n})}}class Nd extends Rl{static get pluginName(){return"CodeEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"code"}),t.model.schema.setAttributeProperties("code",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"code",view:"code",upcastAlso:{styles:{"word-wrap":"break-word"}}}),t.commands.add("code",new yd(t,"code"))}}o(11);class Bd extends Rl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("code",o=>{const i=t.commands.get("code"),n=new uc(o);return n.set({label:e("Code"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M12.5 5.7l5.2 3.9v1.3l-5.6 4c-.1.2-.3.2-.5.2-.3-.1-.6-.7-.6-1l.3-.4 4.7-3.5L11.5 7l-.2-.2c-.1-.3-.1-.6 0-.8.2-.2.5-.4.8-.4a.8.8 0 0 1 .4.1zm-5.2 0L2 9.6v1.3l5.6 4c.1.2.3.2.5.2.3-.1.7-.7.6-1 0-.1 0-.3-.2-.4l-5-3.5L8.2 7l.2-.2c.1-.3.1-.6 0-.8-.2-.2-.5-.4-.8-.4a.8.8 0 0 0-.3.1z"/></svg>',tooltip:!0,isToggleable:!0}),n.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(n,"execute",()=>{t.execute("code"),t.editing.view.focus()}),n})}}function zd(t){const e=t.next();return e.done?null:e.value}class Fd extends _d{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor.model,o=e.schema,i=e.document.selection,n=Array.from(i.getSelectedBlocks()),r=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(r){const e=n.filter(t=>Dd(t)||jd(o,t));this._applyQuote(t,e)}else this._removeQuote(t,n.filter(Dd))})}_getValue(){const t=zd(this.editor.model.document.selection.getSelectedBlocks());return!(!t||!Dd(t))}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,o=zd(t.getSelectedBlocks());return!!o&&jd(e,o)}_removeQuote(t,e){Ld(t,e).reverse().forEach(e=>{if(e.start.isAtStart&&e.end.isAtEnd)return void t.unwrap(e.start.parent);if(e.start.isAtStart){const o=t.createPositionBefore(e.start.parent);return void t.move(e,o)}e.end.isAtEnd||t.split(e.end);const o=t.createPositionAfter(e.end.parent);t.move(e,o)})}_applyQuote(t,e){const o=[];Ld(t,e).reverse().forEach(e=>{let i=Dd(e.start);i||(i=t.createElement("blockQuote"),t.wrap(e,i)),o.push(i)}),o.reverse().reduce((e,o)=>e.nextSibling==o?(t.merge(t.createPositionAfter(e)),e):o)}}function Dd(t){return"blockQuote"==t.parent.name?t.parent:null}function Ld(t,e){let o,i=0;const n=[];for(;i<e.length;){const r=e[i],s=e[i+1];o||(o=t.createPositionBefore(r)),s&&r.nextSibling==s||(n.push(t.createRange(o,t.createPositionAfter(r))),o=null),i++}return n}function jd(t,e){const o=t.checkChild(e.parent,"blockQuote"),i=t.checkChild(["$root","blockQuote"],e);return o&&i}class Hd extends Rl{static get pluginName(){return"BlockQuoteEditing"}init(){const t=this.editor,e=t.model.schema;t.commands.add("blockQuote",new Fd(t)),e.register("blockQuote",{allowWhere:"$block",allowContentOf:"$root"}),e.addChildCheck((t,e)=>{if(t.endsWith("blockQuote")&&"blockQuote"==e.name)return!1}),t.conversion.elementToElement({model:"blockQuote",view:"blockquote"}),t.model.document.registerPostFixer(o=>{const i=t.model.document.differ.getChanges();for(const t of i)if("insert"==t.type){const i=t.position.nodeAfter;if(!i)continue;if(i.is("blockQuote")&&i.isEmpty)return o.remove(i),!0;if(i.is("blockQuote")&&!e.checkChild(t.position,i))return o.unwrap(i),!0;if(i.is("element")){const t=o.createRangeIn(i);for(const i of t.getItems())if(i.is("blockQuote")&&!e.checkChild(o.createPositionBefore(i),i))return o.unwrap(i),!0}}else if("remove"==t.type){const e=t.position.parent;if(e.is("blockQuote")&&e.isEmpty)return o.remove(e),!0}return!1})}afterInit(){const t=this.editor.commands.get("blockQuote");this.listenTo(this.editor.editing.view.document,"enter",(e,o)=>{const i=this.editor.model.document,n=i.selection.getLastPosition().parent;i.selection.isCollapsed&&n.isEmpty&&t.value&&(this.editor.execute("blockQuote"),this.editor.editing.view.scrollToTheSelection(),o.preventDefault(),e.stop())})}}o(47);class Wd extends Rl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("blockQuote",o=>{const i=t.commands.get("blockQuote"),n=new uc(o);return n.set({label:e("Block quote"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 10.423a6.5 6.5 0 0 1 6.056-6.408l.038.67C6.448 5.423 5.354 7.663 5.22 10H9c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574zm8 0a6.5 6.5 0 0 1 6.056-6.408l.038.67c-2.646.739-3.74 2.979-3.873 5.315H17c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574z"/></svg>',tooltip:!0,isToggleable:!0}),n.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(n,"execute",()=>{t.execute("blockQuote"),t.editing.view.focus()}),n})}}class qd extends _d{refresh(){const t=this.editor.model,e=zd(t.document.selection.getSelectedBlocks());this.value=!!e&&e.is("paragraph"),this.isEnabled=!!e&&Ud(e,t.schema)}execute(t={}){const e=this.editor.model,o=e.document;e.change(i=>{const n=(t.selection||o.selection).getSelectedBlocks();for(const t of n)!t.is("paragraph")&&Ud(t,e.schema)&&i.rename(t,"paragraph")})}}function Ud(t,e){return e.checkChild(t.parent,"paragraph")&&!e.isObject(t)}class $d extends _d{execute(t){const e=this.editor.model;e.schema.checkChild(t.position,"paragraph")&&e.change(o=>{const i=o.createElement("paragraph");e.insertContent(i,t.position),o.setSelection(i,"in")})}}class Gd extends Rl{static get pluginName(){return"Paragraph"}init(){const t=this.editor,e=t.model,o=t.data;t.commands.add("paragraph",new qd(t)),t.commands.add("insertParagraph",new $d(t)),e.schema.register("paragraph",{inheritAllFrom:"$block"}),t.conversion.elementToElement({model:"paragraph",view:"p"}),t.conversion.for("upcast").elementToElement({model:(t,e)=>Gd.paragraphLikeElements.has(t.name)?t.isEmpty?null:e.createElement("paragraph"):null,converterPriority:"low"}),o.upcastDispatcher.on("element",(t,e,o)=>{o.consumable.test(e.viewItem,{name:e.viewItem.name})&&Jd(e.viewItem,e.modelCursor,o.schema)&&Object.assign(e,Kd(e.viewItem,e.modelCursor,o))},{priority:"low"}),o.upcastDispatcher.on("text",(t,e,o)=>{e.modelRange||Jd(e.viewItem,e.modelCursor,o.schema)&&Object.assign(e,Kd(e.viewItem,e.modelCursor,o))},{priority:"lowest"}),e.document.registerPostFixer(t=>this._autoparagraphEmptyRoots(t)),t.data.on("ready",()=>{e.enqueueChange("transparent",t=>this._autoparagraphEmptyRoots(t))},{priority:"lowest"})}_autoparagraphEmptyRoots(t){const e=this.editor.model;for(const o of e.document.getRootNames()){const i=e.document.getRoot(o);if(i.isEmpty&&"$graveyard"!=i.rootName&&e.schema.checkChild(i,"paragraph"))return t.insertElement("paragraph",i),!0}}}function Kd(t,e,o){const i=o.writer.createElement("paragraph");return o.writer.insert(i,e),o.convertItem(t,o.writer.createPositionAt(i,0))}function Jd(t,e,o){const i=o.createContext(e);return!!o.checkChild(i,"paragraph")&&!!o.checkChild(i.push("paragraph"),t)}Gd.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td"]);class Yd extends _d{constructor(t,e){super(t),this.modelElements=e}refresh(){const t=zd(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name,this.isEnabled=!!t&&this.modelElements.some(e=>Qd(t,e,this.editor.model.schema))}execute(t){const e=this.editor.model,o=e.document,i=t.value;e.change(t=>{const n=Array.from(o.selection.getSelectedBlocks()).filter(t=>Qd(t,i,e.schema));for(const e of n)e.is(i)||t.rename(e,i)})}}function Qd(t,e,o){return o.checkChild(t.parent,e)&&!o.isObject(t)}class Xd extends Rl{static get pluginName(){return"HeadingEditing"}constructor(t){super(t),t.config.define("heading",{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h2",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h3",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h4",title:"Heading 3",class:"ck-heading_heading3"}]})}static get requires(){return[Gd]}init(){const t=this.editor,e=t.config.get("heading.options"),o=[];for(const i of e)"paragraph"!==i.model&&(t.model.schema.register(i.model,{inheritAllFrom:"$block"}),t.conversion.elementToElement(i),o.push(i.model));this._addDefaultH1Conversion(t),t.commands.add("heading",new Yd(t,o))}afterInit(){const t=this.editor,e=t.commands.get("enter"),o=t.config.get("heading.options");e&&this.listenTo(e,"afterExecute",(e,i)=>{const n=t.model.document.selection.getFirstPosition().parent;o.some(t=>n.is(t.model))&&!n.is("paragraph")&&0===n.childCount&&i.writer.rename(n,"paragraph")})}_addDefaultH1Conversion(t){t.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:uo.get("low")+1})}}class Zd{constructor(t,e){e&&Fi(this,e),t&&this.set(t)}}function th(t){const e=t.t,o={Paragraph:e("Paragraph"),"Heading 1":e("Heading 1"),"Heading 2":e("Heading 2"),"Heading 3":e("Heading 3"),"Heading 4":e("Heading 4"),"Heading 5":e("Heading 5"),"Heading 6":e("Heading 6")};return t.config.get("heading.options").map(t=>{const e=o[t.title];return e&&e!=t.title&&(t.title=e),t})}Co(Zd,Wi);o(12);class eh extends Rl{init(){const t=this.editor,e=t.t,o=th(t),i=e("Choose heading"),n=e("Heading");t.ui.componentFactory.add("heading",e=>{const r={},s=new Ao,a=t.commands.get("heading"),l=t.commands.get("paragraph"),c=[a];for(const t of o){const e={type:"button",model:new Zd({label:t.title,class:t.class,withText:!0})};"paragraph"===t.model?(e.model.bind("isOn").to(l,"value"),e.model.set("commandName","paragraph"),c.push(l)):(e.model.bind("isOn").to(a,"value",e=>e===t.model),e.model.set({commandName:"heading",commandValue:t.model})),s.add(e),r[t.model]=t.title}const d=Vc(e);return Oc(d,s),d.buttonView.set({isOn:!1,withText:!0,tooltip:n}),d.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),d.bind("isEnabled").toMany(c,"isEnabled",(...t)=>t.some(t=>t)),d.buttonView.bind("label").to(a,"value",l,"value",(t,e)=>{const o=t||e&&"paragraph";return r[o]?r[o]:i}),this.listenTo(d,"execute",e=>{t.execute(e.source.commandName,e.source.commandValue?{value:e.source.commandValue}:void 0),t.editing.view.focus()}),d})}}class oh extends ur{observe(t){this.listenTo(t,"load",(t,e)=>{"IMG"==e.target.tagName&&this._fireEvents(e)},{useCapture:!0})}_fireEvents(t){this.isEnabled&&(this.document.fire("layoutChanged"),this.document.fire("imageLoaded",t))}}class ih{constructor(){this._stack=[]}add(t,e){const o=this._stack,i=o[0];this._insertDescriptor(t);const n=o[0];i===n||nh(i,n)||this.fire("change:top",{oldDescriptor:i,newDescriptor:n,writer:e})}remove(t,e){const o=this._stack,i=o[0];this._removeDescriptor(t);const n=o[0];i===n||nh(i,n)||this.fire("change:top",{oldDescriptor:i,newDescriptor:n,writer:e})}_insertDescriptor(t){const e=this._stack,o=e.findIndex(e=>e.id===t.id);if(nh(t,e[o]))return;o>-1&&e.splice(o,1);let i=0;for(;e[i]&&rh(e[i],t);)i++;e.splice(i,0,t)}_removeDescriptor(t){const e=this._stack,o=e.findIndex(e=>e.id===t);o>-1&&e.splice(o,1)}}function nh(t,e){return t&&e&&t.priority==e.priority&&sh(t.classes)==sh(e.classes)}function rh(t,e){return t.priority>e.priority||!(t.priority<e.priority)&&sh(t.classes)>sh(e.classes)}function sh(t){return Array.isArray(t)?t.sort().join(","):t}Co(ih,po);function ah(t){return!!t.is("element")&&!!t.getCustomProperty("widget")}function lh(t,e,o={}){return e.setAttribute("contenteditable","false",t),e.addClass("ck-widget",t),e.setCustomProperty("widget",!0,t),t.getFillerOffset=gh,o.label&&function(t,e,o){o.setCustomProperty("widgetLabel",e,t)}(t,o.label,e),o.hasSelectionHandle&&function(t,e){const o=e.createUIElement("div",{class:"ck ck-widget__selection-handle"},(function(t){const e=this.toDomElement(t),o=new dc;return o.set("content",'<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M4 0v1H1v3H0V.5A.5.5 0 0 1 .5 0H4zm8 0h3.5a.5.5 0 0 1 .5.5V4h-1V1h-3V0zM4 16H.5a.5.5 0 0 1-.5-.5V12h1v3h3v1zm8 0v-1h3v-3h1v3.5a.5.5 0 0 1-.5.5H12z"/><path fill-opacity=".256" d="M1 1h14v14H1z"/><g class="ck-icon__selected-indicator"><path d="M7 0h2v1H7V0zM0 7h1v2H0V7zm15 0h1v2h-1V7zm-8 8h2v1H7v-1z"/><path fill-opacity=".254" d="M1 1h14v14H1z"/></g></svg>'),o.render(),e.appendChild(o.element),e}));e.insert(e.createPositionAt(t,0),o),e.addClass(["ck-widget_with-selection-handle"],t)}(t,e),function(t,e,o,i){const n=new ih;n.on("change:top",(e,n)=>{n.oldDescriptor&&i(t,n.oldDescriptor,n.writer),n.newDescriptor&&o(t,n.newDescriptor,n.writer)}),e.setCustomProperty("addHighlight",(t,e,o)=>n.add(e,o),t),e.setCustomProperty("removeHighlight",(t,e,o)=>n.remove(e,o),t)}(t,e,(t,e,o)=>o.addClass(i(e.classes),t),(t,e,o)=>o.removeClass(i(e.classes),t)),t;function i(t){return Array.isArray(t)?t:[t]}}function ch(t){const e=t.getCustomProperty("widgetLabel");return e?"function"==typeof e?e():e:""}function dh(t,e){return e.addClass(["ck-editor__editable","ck-editor__nested-editable"],t),e.setAttribute("contenteditable",t.isReadOnly?"false":"true",t),t.on("change:isReadOnly",(o,i,n)=>{e.setAttribute("contenteditable",n?"false":"true",t)}),t.on("change:isFocused",(o,i,n)=>{n?e.addClass("ck-editor__nested-editable_focused",t):e.removeClass("ck-editor__nested-editable_focused",t)}),t}function hh(t,e){const o=t.getSelectedElement();if(o&&e.schema.isBlock(o))return e.createPositionAfter(o);const i=t.getSelectedBlocks().next().value;if(i){if(i.isEmpty)return e.createPositionAt(i,0);const o=e.createPositionAfter(i);return t.focus.isTouching(o)?o:e.createPositionBefore(i)}return t.focus}function uh(t,e){const o=new Zr(tr.window),i=o.getIntersection(t),n=e.height+sc.arrowVerticalOffset;if(t.top-n>o.top||t.bottom+n<o.bottom)return null;const r=i||t,s=r.left+r.width/2-e.width/2;return{top:Math.max(t.top,0)+sc.arrowVerticalOffset,left:s,name:"arrow_n"}}function gh(){return null}function mh(t){const e=t.getSelectedElement();return e&&function(t){return!!t.getCustomProperty("image")&&ah(t)}(e)?e:null}function fh(t){return!!t&&t.is("image")}function ph(t,e,o={}){const i=t.createElement("image",o),n=hh(e.document.selection,e);e.insertContent(i,n),i.parent&&t.setSelection(i,"on")}function bh(t){const e=t.schema,o=t.document.selection;return function(t,e,o){const i=function(t,e){const o=hh(t,e).parent;if(o.isEmpty&&!o.is("$root"))return o.parent;return o}(t,o);return e.checkChild(i,"image")}(o,e,t)&&!function(t,e){const o=t.getSelectedElement();return o&&e.isObject(o)}(o,e)&&function(t){return[...t.focus.getAncestors()].every(t=>!t.is("image"))}(o)}function wh(t){return Array.from(t.getChildren()).find(t=>t.is("img"))}function kh(t){return o=>{o.on(`attribute:${t}:image`,e)};function e(t,e,o){if(!o.consumable.consume(e.item,t.name))return;const i=o.writer,n=wh(o.mapper.toViewElement(e.item));null!==e.attributeNewValue?i.setAttribute(e.attributeKey,e.attributeNewValue,n):i.removeAttribute(e.attributeKey,n)}}class _h extends _d{refresh(){this.isEnabled=bh(this.editor.model)}execute(t){const e=this.editor.model;e.change(o=>{const i=Array.isArray(t.source)?t.source:[t.source];for(const t of i)ph(o,e,{src:t})})}}class vh extends Rl{static get pluginName(){return"ImageEditing"}init(){const t=this.editor,e=t.model.schema,o=t.t,i=t.conversion;t.editing.view.addObserver(oh),e.register("image",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["alt","src","srcset"]}),i.for("dataDowncast").elementToElement({model:"image",view:(t,e)=>yh(e)}),i.for("editingDowncast").elementToElement({model:"image",view:(t,e)=>{return i=yh(e),n=e,r=o("image widget"),n.setCustomProperty("image",!0,i),lh(i,n,{label:function(){const t=wh(i).getAttribute("alt");return t?`${t} ${r}`:r}});var i,n,r}}),i.for("downcast").add(kh("src")).add(kh("alt")).add(function(){return e=>{e.on("attribute:srcset:image",t)};function t(t,e,o){if(!o.consumable.consume(e.item,t.name))return;const i=o.writer,n=wh(o.mapper.toViewElement(e.item));if(null===e.attributeNewValue){const t=e.attributeOldValue;t.data&&(i.removeAttribute("srcset",n),i.removeAttribute("sizes",n),t.width&&i.removeAttribute("width",n))}else{const t=e.attributeNewValue;t.data&&(i.setAttribute("srcset",t.data,n),i.setAttribute("sizes","100vw",n),t.width&&i.setAttribute("width",t.width,n))}}}()),i.for("upcast").elementToElement({view:{name:"img",attributes:{src:!0}},model:(t,e)=>e.createElement("image",{src:t.getAttribute("src")})}).attributeToAttribute({view:{name:"img",key:"alt"},model:"alt"}).attributeToAttribute({view:{name:"img",key:"srcset"},model:{key:"srcset",value:t=>{const e={data:t.getAttribute("srcset")};return t.hasAttribute("width")&&(e.width=t.getAttribute("width")),e}}}).add(function(){return e=>{e.on("element:figure",t)};function t(t,e,o){if(!o.consumable.test(e.viewItem,{name:!0,classes:"image"}))return;const i=wh(e.viewItem);if(!i||!i.hasAttribute("src")||!o.consumable.test(i,{name:!0}))return;const n=o.convertItem(i,e.modelCursor),r=zd(n.modelRange.getItems());r&&(o.convertChildren(e.viewItem,o.writer.createPositionAt(r,0)),e.modelRange=n.modelRange,e.modelCursor=n.modelCursor)}}()),t.commands.add("imageInsert",new _h(t))}}function yh(t){const e=t.createEmptyElement("img"),o=t.createContainerElement("figure",{class:"image"});return t.insert(t.createPositionAt(o,0),e),o}class xh extends Or{constructor(t){super(t),this.domEventType="mousedown"}onDomEvent(t){this.fire(t.type,t)}}function Ch(t){const e=[];return(!t.previousSibling||function(t){return t.previousSibling&&ah(t.previousSibling)}(t))&&e.push("before"),(function(t){return!t.nextSibling}(t)||function(t){return t.nextSibling&&ah(t.nextSibling)}(t))&&e.push("after"),e}o(50);const Ah=["before","after"],Th=(new DOMParser).parseFromString('<svg viewBox="0 0 10 8" xmlns="http://www.w3.org/2000/svg"><polyline points="8.05541992 0.263427734 8.05541992 4.23461914 1.28417969 4.23461914" transform="translate(1,0)"></polyline><line x1="0" y1="4.21581031" x2="2" y2="2.17810059" transform="translate(1, 0)"></line><line x1="0" y1="6.21581031" x2="2" y2="4.17810059" transform="translate(2, 5.196955) scale(1, -1) translate(-1, -5.196955)"></line></svg>\n',"image/svg+xml").firstChild;class Ph extends Rl{static get requires(){return[Gd]}static get pluginName(){return"WidgetTypeAround"}constructor(t){super(t),this._widgetsWithTypeAroundUI=new Set}destroy(){this._widgetsWithTypeAroundUI.clear()}init(){this._enableTypeAroundUIInjection(),this._enableDetectionOfTypeAroundWidgets(),this._enableInsertingParagraphsOnButtonClick()}_insertParagraph(t,e){const o=this.editor,i=o.editing.view,n=o.editing.mapper.toModelElement(t);let r;r="before"===e?o.model.createPositionBefore(n):o.model.createPositionAfter(n),o.execute("insertParagraph",{position:r}),i.focus(),i.scrollToTheSelection()}_enableTypeAroundUIInjection(){const t=this.editor,e=t.model.schema,o=t.locale.t,i={before:o("Insert paragraph before block"),after:o("Insert paragraph after block")};t.editing.downcastDispatcher.on("insert",(t,o,n)=>{const r=n.mapper.toViewElement(o.item);(function(t,e,o){return t&&ah(t)&&!o.isInline(e)})(r,o.item,e)&&(!function(t,e,o){const i=t.createUIElement("div",{class:"ck ck-reset_all ck-widget__type-around"},(function(t){const o=this.toDomElement(t);return function(t,e){for(const o of Ah){const i=new Ol({tag:"div",attributes:{class:["ck","ck-widget__type-around__button","ck-widget__type-around__button_"+o],title:e[o]},children:[t.ownerDocument.importNode(Th,!0)]});t.appendChild(i.render())}}(o,e),o}));t.insert(t.createPositionAt(o,"end"),i)}(n.writer,i,r),this._widgetsWithTypeAroundUI.add(r))},{priority:"low"})}_enableDetectionOfTypeAroundWidgets(){function t(t){return"ck-widget_can-type-around_"+t}this.editor.editing.view.document.registerPostFixer(e=>{for(const o of this._widgetsWithTypeAroundUI)if(o.isAttached()){const i=Ch(o);e.removeClass(Ah.map(t),o),e.addClass(i.map(t),o)}else this._widgetsWithTypeAroundUI.delete(o)})}_enableInsertingParagraphsOnButtonClick(){const t=this.editor.editing.view;t.document.on("mousedown",(e,o)=>{const i=o.domTarget.closest(".ck-widget__type-around__button");if(!i)return;const n=function(t){return t.classList.contains("ck-widget__type-around__button_before")?"before":"after"}(i),r=function(t,e){const o=t.closest(".ck-widget");return e.mapDomToView(o)}(i,t.domConverter);this._insertParagraph(r,n),o.preventDefault(),e.stop()})}}o(52);class Sh extends Rl{static get pluginName(){return"Widget"}static get requires(){return[Ph]}init(){const t=this.editor.editing.view,e=t.document;this._previouslySelected=new Set,this.editor.editing.downcastDispatcher.on("selection",(t,e,o)=>{this._clearPreviouslySelectedWidgets(o.writer);const i=o.writer,n=i.document.selection,r=n.getSelectedElement();let s=null;for(const t of n.getRanges())for(const e of t){const t=e.item;ah(t)&&!Eh(t,s)&&(i.addClass("ck-widget_selected",t),this._previouslySelected.add(t),s=t,t==r&&i.setSelection(n.getRanges(),{fake:!0,label:ch(r)}))}},{priority:"low"}),t.addObserver(xh),this.listenTo(e,"mousedown",(...t)=>this._onMousedown(...t)),this.listenTo(e,"keydown",(...t)=>this._onKeydown(...t),{priority:"high"}),this.listenTo(e,"delete",(t,e)=>{this._handleDelete("forward"==e.direction)&&(e.preventDefault(),t.stop())},{priority:"high"})}_onMousedown(t,e){const o=this.editor,i=o.editing.view,n=i.document;let r=e.target;if(function(t){for(;t;){if(t.is("editableElement")&&!t.is("rootElement"))return!0;if(ah(t))return!1;t=t.parent}return!1}(r)){if(gn.isSafari&&e.domEvent.detail>=3){const t=o.editing.mapper.toModelElement(r);this.editor.model.change(o=>{e.preventDefault(),o.setSelection(t,"in")})}return}if(!ah(r)&&(r=r.findAncestor(ah),!r))return;e.preventDefault(),n.isFocused||i.focus();const s=o.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_onKeydown(t,e){const o=e.keyCode,i="ltr"===this.editor.locale.contentLanguageDirection,n=o==pn.arrowdown||o==pn[i?"arrowright":"arrowleft"];let r=!1;!function(t){return t==pn.arrowright||t==pn.arrowleft||t==pn.arrowup||t==pn.arrowdown}(o)?o===pn.enter&&(r=this._handleEnterKey(e.shiftKey)):r=this._handleArrowKeys(n),r&&(e.preventDefault(),t.stop())}_handleDelete(t){if(this.editor.isReadOnly)return;const e=this.editor.model.document.selection;if(!e.isCollapsed)return;const o=this._getObjectElementNextToSelection(t);return o?(this.editor.model.change(t=>{let i=e.anchor.parent;for(;i.isEmpty;){const e=i;i=e.parent,t.remove(e)}this._setSelectionOverElement(o)}),!0):void 0}_handleArrowKeys(t){const e=this.editor.model,o=e.schema,i=e.document.selection,n=i.getSelectedElement();if(n&&o.isObject(n)){const n=t?i.getLastPosition():i.getFirstPosition(),r=o.getNearestSelectionRange(n,t?"forward":"backward");return r&&e.change(t=>{t.setSelection(r)}),!0}if(!i.isCollapsed)return;const r=this._getObjectElementNextToSelection(t);return r&&o.isObject(r)?(this._setSelectionOverElement(r),!0):void 0}_handleEnterKey(t){const e=this.editor.model,o=e.document.selection.getSelectedElement();if(i=o,n=e.schema,i&&n.isObject(i)&&!n.isInline(i))return e.change(i=>{let n=i.createPositionAt(o,t?"before":"after");const r=i.createElement("paragraph");if(e.schema.isBlock(o.parent)){const t=e.schema.findAllowedParent(n,r);n=i.split(n,t).position}i.insert(r,n),i.setSelection(r,"in")}),!0;var i,n}_setSelectionOverElement(t){this.editor.model.change(e=>{e.setSelection(e.createRangeOn(t))})}_getObjectElementNextToSelection(t){const e=this.editor.model,o=e.schema,i=e.document.selection,n=e.createSelection(i);e.modifySelection(n,{direction:t?"forward":"backward"});const r=t?n.focus.nodeBefore:n.focus.nodeAfter;return r&&o.isObject(r)?r:null}_clearPreviouslySelectedWidgets(t){for(const e of this._previouslySelected)t.removeClass("ck-widget_selected",e);this._previouslySelected.clear()}}function Eh(t,e){return!!e&&Array.from(t.getAncestors()).includes(e)}class Rh extends _d{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=fh(t),fh(t)&&t.hasAttribute("alt")?this.value=t.getAttribute("alt"):this.value=!1}execute(t){const e=this.editor.model,o=e.document.selection.getSelectedElement();e.change(e=>{e.setAttribute("alt",t.newValue,o)})}}class Ih extends Rl{static get pluginName(){return"ImageTextAlternativeEditing"}init(){this.editor.commands.add("imageTextAlternative",new Rh(this.editor))}}o(54);class Vh extends Xl{constructor(t){super(t),this.set("text"),this.set("for"),this.id="ck-editor__label_"+ho();const e=this.bindTemplate;this.setTemplate({tag:"label",attributes:{class:["ck","ck-label"],id:this.id,for:e.to("for")},children:[{text:e.to("text")}]})}}o(56);class Oh extends Xl{constructor(t,e){super(t);const o="ck-labeled-field-view-"+ho(),i="ck-labeled-field-view-status-"+ho();this.fieldView=e(this,o,i),this.set("label"),this.set("isEnabled",!0),this.set("errorText",null),this.set("infoText",null),this.set("class"),this.labelView=this._createLabelView(o),this.statusView=this._createStatusView(i),this.bind("_statusText").to(this,"errorText",this,"infoText",(t,e)=>t||e);const n=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view",n.to("class"),n.if("isEnabled","ck-disabled",t=>!t)]},children:[this.labelView,this.fieldView,this.statusView]})}_createLabelView(t){const e=new Vh(this.locale);return e.for=t,e.bind("text").to(this,"label"),e}_createStatusView(t){const e=new Xl(this.locale),o=this.bindTemplate;return e.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view__status",o.if("errorText","ck-labeled-field-view__status_error"),o.if("_statusText","ck-hidden",t=>!t)],id:t,role:o.if("errorText","alert")},children:[{text:o.to("_statusText")}]}),e}focus(){this.fieldView.focus()}}o(58);class Mh extends Xl{constructor(t){super(t),this.set("value"),this.set("id"),this.set("placeholder"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("ariaDescribedById");const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{type:"text",class:["ck","ck-input","ck-input-text",e.if("hasError","ck-error")],id:e.to("id"),placeholder:e.to("placeholder"),readonly:e.to("isReadOnly"),"aria-invalid":e.if("hasError",!0),"aria-describedby":e.to("ariaDescribedById")},on:{input:e.to("input")}})}render(){super.render();const t=t=>{this.element.value=t||0===t?t:""};t(this.value),this.on("change:value",(e,o,i)=>{t(i)})}select(){this.element.select()}focus(){this.element.focus()}}function Nh(t,e,o){const i=new Mh(t.locale);return i.set({id:e,ariaDescribedById:o}),i.bind("isReadOnly").to(t,"isEnabled",t=>!t),i.bind("hasError").to(t,"errorText",t=>!!t),i.on("input",()=>{t.errorText=null}),i}function Bh(t,e,o){const i=Vc(t.locale);return i.set({id:e,ariaDescribedById:o}),i.bind("isEnabled").to(t),i}function zh({view:t}){t.listenTo(t.element,"submit",(e,o)=>{o.preventDefault(),t.fire("submit")},{useCapture:!0})}var Fh='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.972 16.615a.997.997 0 0 1-.744-.292l-4.596-4.596a1 1 0 1 1 1.414-1.414l3.926 3.926 9.937-9.937a1 1 0 0 1 1.414 1.415L7.717 16.323a.997.997 0 0 1-.745.292z"/></svg>',Dh='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.591 10.177l4.243 4.242a1 1 0 0 1-1.415 1.415l-4.242-4.243-4.243 4.243a1 1 0 0 1-1.414-1.415l4.243-4.242L4.52 5.934A1 1 0 0 1 5.934 4.52l4.243 4.243 4.242-4.243a1 1 0 1 1 1.415 1.414l-4.243 4.243z"/></svg>';o(60);class Lh extends Xl{constructor(t){super(t);const e=this.locale.t;this.focusTracker=new gc,this.keystrokes=new Al,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(e("Save"),Fh,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(e("Cancel"),Dh,"ck-button-cancel","cancel"),this._focusables=new Vl,this._focusCycler=new wc({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"form",attributes:{class:["ck","ck-text-alternative-form"],tabindex:"-1"},children:[this.labeledInput,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),this.keystrokes.listenTo(this.element),zh({view:this}),[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)})}_createButton(t,e,o,i){const n=new uc(this.locale);return n.set({label:t,icon:e,tooltip:!0}),n.extendTemplate({attributes:{class:o}}),i&&n.delegate("execute").to(this,i),n}_createLabeledInputView(){const t=this.locale.t,e=new Oh(this.locale,Nh);return e.label=t("Text alternative"),e.fieldView.placeholder=t("Text alternative"),e}}function jh(t){const e=t.editing.view,o=sc.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[o.northArrowSouth,o.northArrowSouthWest,o.northArrowSouthEast,o.southArrowNorth,o.southArrowNorthWest,o.southArrowNorthEast]}}class Hh extends Rl{static get requires(){return[fc]}static get pluginName(){return"ImageTextAlternativeUI"}init(){this._createButton(),this._createForm()}destroy(){super.destroy(),this._form.destroy()}_createButton(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageTextAlternative",o=>{const i=t.commands.get("imageTextAlternative"),n=new uc(o);return n.set({label:e("Change image text alternative"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.085 6.22L2.943 4.078a.75.75 0 1 1 1.06-1.06l2.592 2.59A11.094 11.094 0 0 1 10 5.068c4.738 0 8.578 3.101 8.578 5.083 0 1.197-1.401 2.803-3.555 3.887l1.714 1.713a.75.75 0 0 1-.09 1.138.488.488 0 0 1-.15.084.75.75 0 0 1-.821-.16L6.17 7.304c-.258.11-.51.233-.757.365l6.239 6.24-.006.005.78.78c-.388.094-.78.166-1.174.215l-1.11-1.11h.011L4.55 8.197a7.2 7.2 0 0 0-.665.514l-.112.098 4.897 4.897-.005.006 1.276 1.276a10.164 10.164 0 0 1-1.477-.117l-.479-.479-.009.009-4.863-4.863-.022.031a2.563 2.563 0 0 0-.124.2c-.043.077-.08.158-.108.241a.534.534 0 0 0-.028.133.29.29 0 0 0 .008.072.927.927 0 0 0 .082.226c.067.133.145.26.234.379l3.242 3.365.025.01.59.623c-3.265-.918-5.59-3.155-5.59-4.668 0-1.194 1.448-2.838 3.663-3.93zm7.07.531a4.632 4.632 0 0 1 1.108 5.992l.345.344.046-.018a9.313 9.313 0 0 0 2-1.112c.256-.187.5-.392.727-.613.137-.134.27-.277.392-.431.072-.091.141-.185.203-.286.057-.093.107-.19.148-.292a.72.72 0 0 0 .036-.12.29.29 0 0 0 .008-.072.492.492 0 0 0-.028-.133.999.999 0 0 0-.036-.096 2.165 2.165 0 0 0-.071-.145 2.917 2.917 0 0 0-.125-.2 3.592 3.592 0 0 0-.263-.335 5.444 5.444 0 0 0-.53-.523 7.955 7.955 0 0 0-1.054-.768 9.766 9.766 0 0 0-1.879-.891c-.337-.118-.68-.219-1.027-.301zm-2.85.21l-.069.002a.508.508 0 0 0-.254.097.496.496 0 0 0-.104.679.498.498 0 0 0 .326.199l.045.005c.091.003.181.003.272.012a2.45 2.45 0 0 1 2.017 1.513c.024.061.043.125.069.185a.494.494 0 0 0 .45.287h.008a.496.496 0 0 0 .35-.158.482.482 0 0 0 .13-.335.638.638 0 0 0-.048-.219 3.379 3.379 0 0 0-.36-.723 3.438 3.438 0 0 0-2.791-1.543l-.028-.001h-.013z"/></svg>',tooltip:!0}),n.bind("isEnabled").to(i,"isEnabled"),this.listenTo(n,"execute",()=>{this._showForm()}),n})}_createForm(){const t=this.editor,e=t.editing.view.document;this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new Lh(t.locale),this._form.render(),this.listenTo(this._form,"submit",()=>{t.execute("imageTextAlternative",{newValue:this._form.labeledInput.fieldView.element.value}),this._hideForm(!0)}),this.listenTo(this._form,"cancel",()=>{this._hideForm(!0)}),this._form.keystrokes.set("Esc",(t,e)=>{this._hideForm(!0),e()}),this.listenTo(t.ui,"update",()=>{mh(e.selection)?this._isVisible&&function(t){const e=t.plugins.get("ContextualBalloon");if(mh(t.editing.view.document.selection)){const o=jh(t);e.updatePosition(o)}}(t):this._hideForm(!0)}),Ic({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible)return;const t=this.editor,e=t.commands.get("imageTextAlternative"),o=this._form.labeledInput;this._isInBalloon||this._balloon.add({view:this._form,position:jh(t)}),o.fieldView.value=o.fieldView.element.value=e.value||"",this._form.labeledInput.fieldView.select()}_hideForm(t){this._isInBalloon&&(this._form.focusTracker.isFocused&&this._form.saveButtonView.focus(),this._balloon.remove(this._form),t&&this.editor.editing.view.focus())}get _isVisible(){return this._balloon.visibleView===this._form}get _isInBalloon(){return this._balloon.hasView(this._form)}}class Wh extends Rl{static get requires(){return[Ih,Hh]}static get pluginName(){return"ImageTextAlternative"}}o(62);function qh(t){for(const e of t.getChildren())if(e&&e.is("caption"))return e;return null}function Uh(t){const e=t.parent;return"figcaption"==t.name&&e&&"figure"==e.name&&e.hasClass("image")?{name:!0}:null}class $h extends Rl{static get pluginName(){return"ImageCaptionEditing"}init(){const t=this.editor,e=t.editing.view,o=t.model.schema,i=t.data,n=t.editing,r=t.t;o.register("caption",{allowIn:"image",allowContentOf:"$block",isLimit:!0}),t.model.document.registerPostFixer(t=>this._insertMissingModelCaptionElement(t)),t.conversion.for("upcast").elementToElement({view:Uh,model:"caption"});i.downcastDispatcher.on("insert:caption",Gh(t=>t.createContainerElement("figcaption"),!1));const s=function(t,e){return o=>{const i=o.createEditableElement("figcaption");return o.setCustomProperty("imageCaption",!0,i),$c({view:t,element:i,text:e}),dh(i,o)}}(e,r("Enter image caption"));n.downcastDispatcher.on("insert:caption",Gh(s)),n.downcastDispatcher.on("insert",this._fixCaptionVisibility(t=>t.item),{priority:"high"}),n.downcastDispatcher.on("remove",this._fixCaptionVisibility(t=>t.position.parent),{priority:"high"}),e.document.registerPostFixer(t=>this._updateCaptionVisibility(t))}_updateCaptionVisibility(t){const e=this.editor.editing.mapper,o=this._lastSelectedCaption;let i;const n=this.editor.model.document.selection,r=n.getSelectedElement();if(r&&r.is("image")){const t=qh(r);i=e.toViewElement(t)}const s=Kh(n.getFirstPosition().parent);if(s&&(i=e.toViewElement(s)),i)return o?(o===i||(Jh(o,t),this._lastSelectedCaption=i),Yh(i,t)):(this._lastSelectedCaption=i,Yh(i,t));if(o){const e=Jh(o,t);return this._lastSelectedCaption=null,e}return!1}_fixCaptionVisibility(t){return(e,o,i)=>{const n=Kh(t(o)),r=this.editor.editing.mapper,s=i.writer;if(n){const t=r.toViewElement(n);t&&(n.childCount?s.removeClass("ck-hidden",t):s.addClass("ck-hidden",t))}}}_insertMissingModelCaptionElement(t){const e=this.editor.model,o=e.document.differ.getChanges(),i=[];for(const t of o)if("insert"==t.type&&"$text"!=t.name){const o=t.position.nodeAfter;if(o.is("image")&&!qh(o)&&i.push(o),!o.is("image")&&o.childCount)for(const t of e.createRangeIn(o).getItems())t.is("image")&&!qh(t)&&i.push(t)}for(const e of i)t.appendElement("caption",e);return!!i.length}}function Gh(t,e=!0){return(o,i,n)=>{const r=i.item;if((r.childCount||e)&&fh(r.parent)){if(!n.consumable.consume(i.item,"insert"))return;const e=n.mapper.toViewElement(i.range.start.parent),o=t(n.writer),s=n.writer;r.childCount||s.addClass("ck-hidden",o),function(t,e,o,i){const n=i.writer.createPositionAt(o,"end");i.writer.insert(n,t),i.mapper.bindElements(e,t)}(o,i.item,e,n)}}}function Kh(t){const e=t.getAncestors({includeSelf:!0}).find(t=>"caption"==t.name);return e&&e.parent&&"image"==e.parent.name?e:null}function Jh(t,e){return!t.childCount&&!t.hasClass("ck-hidden")&&(e.addClass("ck-hidden",t),!0)}function Yh(t,e){return!!t.hasClass("ck-hidden")&&(e.removeClass("ck-hidden",t),!0)}o(64);class Qh extends _d{constructor(t,e){super(t),this.defaultStyle=!1,this.styles=e.reduce((t,e)=>(t[e.name]=e,e.isDefault&&(this.defaultStyle=e.name),t),{})}refresh(){const t=this.editor.model.document.selection.getSelectedElement();if(this.isEnabled=fh(t),t)if(t.hasAttribute("imageStyle")){const e=t.getAttribute("imageStyle");this.value=!!this.styles[e]&&e}else this.value=this.defaultStyle;else this.value=!1}execute(t){const e=t.value,o=this.editor.model,i=o.document.selection.getSelectedElement();o.change(t=>{this.styles[e].isDefault?t.removeAttribute("imageStyle",i):t.setAttribute("imageStyle",e,i)})}}function Xh(t,e){for(const o of e)if(o.name===t)return o}var Zh='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm2.5 3V12h11V7.5h-11zM4.061 6H15.94c.586 0 1.061.407 1.061.91v5.68c0 .503-.475.91-1.061.91H4.06c-.585 0-1.06-.407-1.06-.91V6.91C3 6.406 3.475 6 4.061 6zM2 16.5V15h16v1.5z"/></svg>',tu='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" clip-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="1.414"><path d="M18 4.5V3H2v1.5h16zm0 3V6h-5.674v1.5H18zm0 3V9h-5.674v1.5H18zm0 3V12h-5.674v1.5H18zm-8.5-6V12h-6V7.5h6zm.818-1.5H2.682C2.305 6 2 6.407 2 6.91v5.68c0 .503.305.91.682.91h7.636c.377 0 .682-.407.682-.91V6.91c0-.503-.305-.91-.682-.91zM18 16.5V15H2v1.5h16z"/></svg>',eu='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm4.5 3V12h7V7.5h-7zM5.758 6h8.484c.419 0 .758.407.758.91v5.681c0 .502-.34.909-.758.909H5.758c-.419 0-.758-.407-.758-.91V6.91c0-.503.34-.91.758-.91zM2 16.5V15h16v1.5z"/></svg>',ou='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm0 3V6h5.674v1.5zm0 3V9h5.674v1.5zm0 3V12h5.674v1.5zm8.5-6V12h6V7.5h-6zM9.682 6h7.636c.377 0 .682.407.682.91v5.68c0 .503-.305.91-.682.91H9.682c-.377 0-.682-.407-.682-.91V6.91c0-.503.305-.91.682-.91zM2 16.5V15h16v1.5z"/></svg>';const iu={full:{name:"full",title:"Full size image",icon:Zh,isDefault:!0},side:{name:"side",title:"Side image",icon:ou,className:"image-style-side"},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:tu,className:"image-style-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:eu,className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:ou,className:"image-style-align-right"}},nu={full:Zh,left:tu,right:ou,center:eu};function ru(t=[]){return t.map(su)}function su(t){if("string"==typeof t){const e=t;iu[e]?t=Object.assign({},iu[e]):(console.warn(Object(go.a)("image-style-not-found: There is no such image style of given name."),{name:e}),t={name:e})}else if(iu[t.name]){const e=iu[t.name],o=Object.assign({},t);for(const i in e)t.hasOwnProperty(i)||(o[i]=e[i]);t=o}return"string"==typeof t.icon&&nu[t.icon]&&(t.icon=nu[t.icon]),t}class au extends Rl{static get pluginName(){return"ImageStyleEditing"}init(){const t=this.editor,e=t.model.schema,o=t.data,i=t.editing;t.config.define("image.styles",["full","side"]);const n=ru(t.config.get("image.styles"));e.extend("image",{allowAttributes:"imageStyle"});const r=function(t){return(e,o,i)=>{if(!i.consumable.consume(o.item,e.name))return;const n=Xh(o.attributeNewValue,t),r=Xh(o.attributeOldValue,t),s=i.mapper.toViewElement(o.item),a=i.writer;r&&a.removeClass(r.className,s),n&&a.addClass(n.className,s)}}(n);i.downcastDispatcher.on("attribute:imageStyle:image",r),o.downcastDispatcher.on("attribute:imageStyle:image",r),o.upcastDispatcher.on("element:figure",function(t){const e=t.filter(t=>!t.isDefault);return(t,o,i)=>{if(!o.modelRange)return;const n=o.viewItem,r=zd(o.modelRange.getItems());if(i.schema.checkAttribute(r,"imageStyle"))for(const t of e)i.consumable.consume(n,{classes:t.className})&&i.writer.setAttribute("imageStyle",t.name,r)}}(n),{priority:"low"}),t.commands.add("imageStyle",new Qh(t,n))}}o(66);class lu extends Rl{static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const t=this.editor.t;return{"Full size image":t("Full size image"),"Side image":t("Side image"),"Left aligned image":t("Left aligned image"),"Centered image":t("Centered image"),"Right aligned image":t("Right aligned image")}}init(){const t=function(t,e){for(const o of t)e[o.title]&&(o.title=e[o.title]);return t}(ru(this.editor.config.get("image.styles")),this.localizedDefaultStylesTitles);for(const e of t)this._createButton(e)}_createButton(t){const e=this.editor,o="imageStyle:"+t.name;e.ui.componentFactory.add(o,o=>{const i=e.commands.get("imageStyle"),n=new uc(o);return n.set({label:t.title,icon:t.icon,tooltip:!0,isToggleable:!0}),n.bind("isEnabled").to(i,"isEnabled"),n.bind("isOn").to(i,"value",e=>e===t.name),this.listenTo(n,"execute",()=>{e.execute("imageStyle",{value:t.name}),e.editing.view.focus()}),n})}}class cu extends Rl{static get requires(){return[fc]}static get pluginName(){return"WidgetToolbarRepository"}init(){const t=this.editor;if(t.plugins.has("BalloonToolbar")){const e=t.plugins.get("BalloonToolbar");this.listenTo(e,"show",e=>{(function(t){const e=t.getSelectedElement();return!(!e||!ah(e))})(t.editing.view.document.selection)&&e.stop()},{priority:"high"})}this._toolbarDefinitions=new Map,this._balloon=this.editor.plugins.get("ContextualBalloon"),this.on("change:isEnabled",()=>{this._updateToolbarsVisibility()}),this.listenTo(t.ui,"update",()=>{this._updateToolbarsVisibility()}),this.listenTo(t.ui.focusTracker,"change:isFocused",()=>{this._updateToolbarsVisibility()},{priority:"low"})}destroy(){super.destroy();for(const t of this._toolbarDefinitions.values())t.view.destroy()}register(t,{ariaLabel:e,items:o,getRelatedElement:i,balloonClassName:n="ck-toolbar-container"}){const r=this.editor,s=r.t,a=new Mc(r.locale);if(a.ariaLabel=e||s("Widget toolbar"),this._toolbarDefinitions.has(t))throw new go.b("widget-toolbar-duplicated: Toolbar with the given id was already added.",this,{toolbarId:t});a.fillFromConfig(o,r.ui.componentFactory),this._toolbarDefinitions.set(t,{view:a,getRelatedElement:i,balloonClassName:n})}_updateToolbarsVisibility(){let t=0,e=null,o=null;for(const i of this._toolbarDefinitions.values()){const n=i.getRelatedElement(this.editor.editing.view.document.selection);if(this.isEnabled&&n)if(this.editor.ui.focusTracker.isFocused){const r=n.getAncestors().length;r>t&&(t=r,e=n,o=i)}else this._isToolbarVisible(i)&&this._hideToolbar(i);else this._isToolbarInBalloon(i)&&this._hideToolbar(i)}o&&this._showToolbar(o,e)}_hideToolbar(t){this._balloon.remove(t.view),this.stopListening(this._balloon,"change:visibleView")}_showToolbar(t,e){this._isToolbarVisible(t)?du(this.editor,e):this._isToolbarInBalloon(t)||(this._balloon.add({view:t.view,position:hu(this.editor,e),balloonClassName:t.balloonClassName}),this.listenTo(this._balloon,"change:visibleView",()=>{for(const t of this._toolbarDefinitions.values())if(this._isToolbarVisible(t)){const e=t.getRelatedElement(this.editor.editing.view.document.selection);du(this.editor,e)}}))}_isToolbarVisible(t){return this._balloon.visibleView===t.view}_isToolbarInBalloon(t){return this._balloon.hasView(t.view)}}function du(t,e){const o=t.plugins.get("ContextualBalloon"),i=hu(t,e);o.updatePosition(i)}function hu(t,e){const o=t.editing.view,i=sc.defaultPositions;return{target:o.domConverter.mapViewToDom(e),positions:[i.northArrowSouth,i.northArrowSouthWest,i.northArrowSouthEast,i.southArrowNorth,i.southArrowNorthWest,i.southArrowNorthEast,uh]}}class uu extends Xl{constructor(t){super(t),this.buttonView=new uc(t),this._fileInputView=new gu(t),this._fileInputView.bind("acceptedType").to(this),this._fileInputView.bind("allowMultipleFiles").to(this),this._fileInputView.delegate("done").to(this),this.setTemplate({tag:"span",attributes:{class:"ck-file-dialog-button"},children:[this.buttonView,this._fileInputView]}),this.buttonView.on("execute",()=>{this._fileInputView.open()})}focus(){this.buttonView.focus()}}class gu extends Xl{constructor(t){super(t),this.set("acceptedType"),this.set("allowMultipleFiles",!1);const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck-hidden"],type:"file",tabindex:"-1",accept:e.to("acceptedType"),multiple:e.to("allowMultipleFiles")},on:{change:e.to(()=>{this.element&&this.element.files&&this.element.files.length&&this.fire("done",this.element.files),this.element.value=""})}})}open(){this.element.click()}}function mu(t){const e=t.map(t=>t.replace("+","\\+"));return new RegExp(`^image\\/(${e.join("|")})$`)}class fu extends Rl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageUpload",o=>{const i=new uu(o),n=t.commands.get("imageUpload"),r=t.config.get("image.upload.types"),s=mu(r);return i.set({acceptedType:r.map(t=>"image/"+t).join(","),allowMultipleFiles:!0}),i.buttonView.set({label:e("Insert image"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.91 10.54c.26-.23.64-.21.88.03l3.36 3.14 2.23-2.06a.64.64 0 0 1 .87 0l2.52 2.97V4.5H3.2v10.12l3.71-4.08zm10.27-7.51c.6 0 1.09.47 1.09 1.05v11.84c0 .59-.49 1.06-1.09 1.06H2.79c-.6 0-1.09-.47-1.09-1.06V4.08c0-.58.49-1.05 1.1-1.05h14.38zm-5.22 5.56a1.96 1.96 0 1 1 3.4-1.96 1.96 1.96 0 0 1-3.4 1.96z"/></svg>',tooltip:!0}),i.buttonView.bind("isEnabled").to(n),i.on("done",(e,o)=>{const i=Array.from(o).filter(t=>s.test(t.type));i.length&&t.execute("imageUpload",{file:i})}),i})}}o(68),o(70),o(72);class pu extends Rl{constructor(t){super(t),this.placeholder="data:image/svg+xml;utf8,"+encodeURIComponent('<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 700 250"><rect rx="4"/></svg>')}init(){this.editor.editing.downcastDispatcher.on("attribute:uploadStatus:image",(...t)=>this.uploadStatusChange(...t))}uploadStatusChange(t,e,o){const i=this.editor,n=e.item,r=n.getAttribute("uploadId");if(!o.consumable.consume(e.item,t.name))return;const s=i.plugins.get(hd),a=r?e.attributeNewValue:null,l=this.placeholder,c=i.editing.mapper.toViewElement(n),d=o.writer;if("reading"==a)return bu(c,d),void wu(l,c,d);if("uploading"==a){const t=s.loaders.get(r);return bu(c,d),void(t?(ku(c,d),function(t,e,o,i){const n=function(t){const e=t.createUIElement("div",{class:"ck-progress-bar"});return t.setCustomProperty("progressBar",!0,e),e}(e);e.insert(e.createPositionAt(t,"end"),n),o.on("change:uploadedPercent",(t,e,o)=>{i.change(t=>{t.setStyle("width",o+"%",n)})})}(c,d,t,i.editing.view),function(t,e,o){if(o.data){const i=wh(t);e.setAttribute("src",o.data,i)}}(c,d,t)):wu(l,c,d))}"complete"==a&&s.loaders.get(r)&&function(t,e,o){const i=e.createUIElement("div",{class:"ck-image-upload-complete-icon"});e.insert(e.createPositionAt(t,"end"),i),setTimeout(()=>{o.change(t=>t.remove(t.createRangeOn(i)))},3e3)}(c,d,i.editing.view),function(t,e){vu(t,e,"progressBar")}(c,d),ku(c,d),function(t,e){e.removeClass("ck-appear",t)}(c,d)}}function bu(t,e){t.hasClass("ck-appear")||e.addClass("ck-appear",t)}function wu(t,e,o){e.hasClass("ck-image-upload-placeholder")||o.addClass("ck-image-upload-placeholder",e);const i=wh(e);i.getAttribute("src")!==t&&o.setAttribute("src",t,i),_u(e,"placeholder")||o.insert(o.createPositionAfter(i),function(t){const e=t.createUIElement("div",{class:"ck-upload-placeholder-loader"});return t.setCustomProperty("placeholder",!0,e),e}(o))}function ku(t,e){t.hasClass("ck-image-upload-placeholder")&&e.removeClass("ck-image-upload-placeholder",t),vu(t,e,"placeholder")}function _u(t,e){for(const o of t.getChildren())if(o.getCustomProperty(e))return o}function vu(t,e,o){const i=_u(t,o);i&&e.remove(e.createRangeOn(i))}class yu extends ld{static get pluginName(){return"Notification"}init(){this.on("show:warning",(t,e)=>{window.alert(e.message)},{priority:"lowest"})}showSuccess(t,e={}){this._showNotification({message:t,type:"success",namespace:e.namespace,title:e.title})}showInfo(t,e={}){this._showNotification({message:t,type:"info",namespace:e.namespace,title:e.title})}showWarning(t,e={}){this._showNotification({message:t,type:"warning",namespace:e.namespace,title:e.title})}_showNotification(t){const e="show:"+t.type+(t.namespace?":"+t.namespace:"");this.fire(e,{message:t.message,type:t.type,title:t.title||""})}}class xu{constructor(t){this.files=function(t){const e=t.files?Array.from(t.files):[],o=t.items?Array.from(t.items):[];if(e.length)return e;return o.filter(t=>"file"===t.kind).map(t=>t.getAsFile())}(t),this._native=t}get types(){return this._native.types}getData(t){return this._native.getData(t)}setData(t,e){this._native.setData(t,e)}}class Cu extends Or{constructor(t){super(t);const e=this.document;function o(t,o){o.preventDefault();const i=o.dropRange?[o.dropRange]:Array.from(e.selection.getRanges()),n=new lo(e,"clipboardInput");e.fire(n,{dataTransfer:o.dataTransfer,targetRanges:i}),n.stop.called&&o.stopPropagation()}this.domEventType=["paste","copy","cut","drop","dragover"],this.listenTo(e,"paste",o,{priority:"low"}),this.listenTo(e,"drop",o,{priority:"low"})}onDomEvent(t){const e={dataTransfer:new xu(t.clipboardData?t.clipboardData:t.dataTransfer)};"drop"==t.type&&(e.dropRange=function(t,e){const o=e.target.ownerDocument,i=e.clientX,n=e.clientY;let r;o.caretRangeFromPoint&&o.caretRangeFromPoint(i,n)?r=o.caretRangeFromPoint(i,n):e.rangeParent&&(r=o.createRange(),r.setStart(e.rangeParent,e.rangeOffset),r.collapse(!0));return r?t.domConverter.domRangeToView(r):t.document.selection.getFirstRange()}(this.view,t)),this.fire(t.type,t,e)}}const Au=["figcaption","li"];class Tu extends Rl{static get pluginName(){return"Clipboard"}init(){const t=this.editor,e=t.model.document,o=t.editing.view,i=o.document;function n(o,n){const r=n.dataTransfer;n.preventDefault();const s=t.data.toView(t.model.getSelectedContent(e.selection));i.fire("clipboardOutput",{dataTransfer:r,content:s,method:o.name})}this._htmlDataProcessor=new El(i),o.addObserver(Cu),this.listenTo(i,"clipboardInput",e=>{t.isReadOnly&&e.stop()},{priority:"highest"}),this.listenTo(i,"clipboardInput",(t,e)=>{const i=e.dataTransfer;let n="";var r;i.getData("text/html")?n=function(t){return t.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(t,e)=>1==e.length?" ":e)}(i.getData("text/html")):i.getData("text/plain")&&((r=(r=i.getData("text/plain")).replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\n/g,"</p><p>").replace(/^\s/,"&nbsp;").replace(/\s$/,"&nbsp;").replace(/\s\s/g," &nbsp;")).indexOf("</p><p>")>-1&&(r=`<p>${r}</p>`),n=r),n=this._htmlDataProcessor.toView(n);const s=new lo(this,"inputTransformation");this.fire(s,{content:n,dataTransfer:i}),s.stop.called&&t.stop(),o.scrollToTheSelection()},{priority:"low"}),this.listenTo(this,"inputTransformation",(t,e)=>{if(!e.content.isEmpty){const o=this.editor.data,i=this.editor.model,n=o.toModel(e.content,"$clipboardHolder");if(0==n.childCount)return;i.insertContent(n),t.stop()}},{priority:"low"}),this.listenTo(i,"copy",n,{priority:"low"}),this.listenTo(i,"cut",(e,o)=>{t.isReadOnly?o.preventDefault():n(e,o)},{priority:"low"}),this.listenTo(i,"clipboardOutput",(o,i)=>{i.content.isEmpty||(i.dataTransfer.setData("text/html",this._htmlDataProcessor.toData(i.content)),i.dataTransfer.setData("text/plain",function t(e){let o="";if(e.is("text")||e.is("textProxy"))o=e.data;else if(e.is("img")&&e.hasAttribute("alt"))o=e.getAttribute("alt");else{let i=null;for(const n of e.getChildren()){const e=t(n);i&&(i.is("containerElement")||n.is("containerElement"))&&(Au.includes(i.name)||Au.includes(n.name)?o+="\n":o+="\n\n"),o+=e,i=n}}return o}(i.content))),"cut"==i.method&&t.model.deleteContent(e.selection)},{priority:"low"})}}class Pu{constructor(t){this.document=t}createDocumentFragment(t){return new Cn(this.document,t)}createElement(t,e,o){return new Mi(this.document,t,e,o)}createText(t){return new No(this.document,t)}clone(t,e=!1){return t._clone(e)}appendChild(t,e){return e._appendChild(t)}insertChild(t,e,o){return o._insertChild(t,e)}removeChildren(t,e,o){return o._removeChildren(t,e)}remove(t){const e=t.parent;return e?this.removeChildren(e.getChildIndex(t),1,e):[]}replace(t,e){const o=t.parent;if(o){const i=o.getChildIndex(t);return this.removeChildren(i,1,o),this.insertChild(i,e,o),!0}return!1}unwrapElement(t){const e=t.parent;if(e){const o=e.getChildIndex(t);this.remove(t),this.insertChild(o,t.getChildren(),e)}}rename(t,e){const o=new Mi(this.document,t,e.getAttributes(),e.getChildren());return this.replace(e,o)?o:null}setAttribute(t,e,o){o._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,o){y(t)&&void 0===o&&(o=e),o._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,o){o._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}createPositionAt(t,e){return Zi._createAt(t,e)}createPositionAfter(t){return Zi._createAfter(t)}createPositionBefore(t){return Zi._createBefore(t)}createRange(t,e){return new tn(t,e)}createRangeOn(t){return tn._createOn(t)}createRangeIn(t){return tn._createIn(t)}createSelection(t,e,o){return new nn(t,e,o)}}class Su extends _d{refresh(){this.isEnabled=bh(this.editor.model)}execute(t){const e=this.editor,o=e.model,i=e.plugins.get(hd);o.change(e=>{const n=Array.isArray(t.file)?t.file:[t.file];for(const t of n)Eu(e,o,i,t)})}}function Eu(t,e,o,i){const n=o.createLoader(i);n&&ph(t,e,{uploadId:n.id})}class Ru extends Rl{static get requires(){return[hd,yu,Tu]}static get pluginName(){return"ImageUploadEditing"}constructor(t){super(t),t.config.define("image",{upload:{types:["jpeg","png","gif","bmp","webp","tiff"]}})}init(){const t=this.editor,e=t.model.document,o=t.model.schema,i=t.conversion,n=t.plugins.get(hd),r=mu(t.config.get("image.upload.types"));o.extend("image",{allowAttributes:["uploadId","uploadStatus"]}),t.commands.add("imageUpload",new Su(t)),i.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"}),this.listenTo(t.editing.view.document,"clipboardInput",(e,o)=>{if(i=o.dataTransfer,Array.from(i.types).includes("text/html")&&""!==i.getData("text/html"))return;var i;const n=Array.from(o.dataTransfer.files).filter(t=>!!t&&r.test(t.type)),s=o.targetRanges.map(e=>t.editing.mapper.toModelRange(e));t.model.change(o=>{o.setSelection(s),n.length&&(e.stop(),t.model.enqueueChange("default",()=>{t.execute("imageUpload",{file:n})}))})}),this.listenTo(t.plugins.get(Tu),"inputTransformation",(e,o)=>{const i=Array.from(t.editing.view.createRangeIn(o.content)).filter(t=>{return!(!(e=t.item).is("element","img")||!e.getAttribute("src"))&&(e.getAttribute("src").match(/^data:image\/\w+;base64,/g)||e.getAttribute("src").match(/^blob:/g))&&!t.item.getAttribute("uploadProcessed");var e}).map(t=>{return{promise:(e=t.item,new Promise((t,o)=>{const i=e.getAttribute("src");fetch(i).then(t=>t.blob()).then(e=>{const o=function(t,e){return t.type?t.type:e.match(/data:(image\/\w+);base64/)?e.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}(e,i),n=o.replace("image/",""),r=new File([e],"image."+n,{type:o});t(r)}).catch(o)})),imageElement:t.item};var e});if(!i.length)return;const r=new Pu(t.editing.view.document);for(const t of i){r.setAttribute("uploadProcessed",!0,t.imageElement);const e=n.createLoader(t.promise);e&&(r.setAttribute("src","",t.imageElement),r.setAttribute("uploadId",e.id,t.imageElement))}}),t.editing.view.document.on("dragover",(t,e)=>{e.preventDefault()}),e.on("change",()=>{const o=e.differ.getChanges({includeChangesInGraveyard:!0});for(const e of o)if("insert"==e.type&&"$text"!=e.name){const o=e.position.nodeAfter,i="$graveyard"==e.position.root.rootName;for(const e of Iu(t,o)){const t=e.getAttribute("uploadId");if(!t)continue;const o=n.loaders.get(t);o&&(i?o.abort():"idle"==o.status&&this._readAndUpload(o,e))}}})}_readAndUpload(t,e){const o=this.editor,i=o.model,n=o.locale.t,r=o.plugins.get(hd),s=o.plugins.get(yu);return i.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","reading",e)}),t.read().then(()=>{const n=t.upload();if(gn.isSafari){const t=wh(o.editing.mapper.toViewElement(e));o.editing.view.once("render",()=>{if(!t.parent)return;const e=o.editing.view.domConverter.mapViewToDom(t.parent);if(!e)return;const i=e.style.display;e.style.display="none",e._ckHack=e.offsetHeight,e.style.display=i})}return i.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","uploading",e)}),n}).then(t=>{i.enqueueChange("transparent",o=>{o.setAttributes({uploadStatus:"complete",src:t.default},e),this._parseAndSetSrcsetAttributeOnImage(t,e,o)}),a()}).catch(o=>{if("error"!==t.status&&"aborted"!==t.status)throw o;"error"==t.status&&o&&s.showWarning(o,{title:n("Upload failed"),namespace:"upload"}),a(),i.enqueueChange("transparent",t=>{t.remove(e)})});function a(){i.enqueueChange("transparent",t=>{t.removeAttribute("uploadId",e),t.removeAttribute("uploadStatus",e)}),r.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,o){let i=0;const n=Object.keys(t).filter(t=>{const e=parseInt(t,10);if(!isNaN(e))return i=Math.max(i,e),!0}).map(e=>`${t[e]} ${e}w`).join(", ");""!=n&&o.setAttribute("srcset",{data:n,width:i},e)}}function Iu(t,e){return Array.from(t.model.createRangeOn(e)).filter(t=>t.item.is("image")).map(t=>t.item)}class Vu{constructor(t){this.set("activeHandlePosition",null),this.set("proposedWidthPercents",null),this.set("proposedWidth",null),this.set("proposedHeight",null),this.set("proposedHandleHostWidth",null),this.set("proposedHandleHostHeight",null),this._options=t,this._referenceCoordinates=null}begin(t,e,o){const i=new Zr(e);this.activeHandlePosition=function(t){const e=["top-left","top-right","bottom-right","bottom-left"];for(const o of e)if(t.classList.contains("ck-widget__resizer__handle-"+o))return o}(t),this._referenceCoordinates=function(t,e){const o=new Zr(t),i=e.split("-"),n={x:"right"==i[1]?o.right:o.left,y:"bottom"==i[0]?o.bottom:o.top};return n.x+=t.ownerDocument.defaultView.scrollX,n.y+=t.ownerDocument.defaultView.scrollY,n}(e,function(t){const e=t.split("-"),o={top:"bottom",bottom:"top",left:"right",right:"left"};return`${o[e[0]]}-${o[e[1]]}`}(this.activeHandlePosition)),this.originalWidth=i.width,this.originalHeight=i.height,this.aspectRatio=i.width/i.height;const n=o.style.width;n&&n.match(/^\d+\.?\d*%$/)?this.originalWidthPercents=parseFloat(n):this.originalWidthPercents=function(t,e){const o=t.parentElement,i=parseFloat(o.ownerDocument.defaultView.getComputedStyle(o).width);return e.width/i*100}(o,i)}update(t){this.proposedWidth=t.width,this.proposedHeight=t.height,this.proposedWidthPercents=t.widthPercents,this.proposedHandleHostWidth=t.handleHostWidth,this.proposedHandleHostHeight=t.handleHostHeight}}Co(Vu,Wi);class Ou{constructor(t){this._options=t,this._domResizerWrapper=null,this._viewResizerWrapper=null,this.set("isEnabled",!0),this.decorate("begin"),this.decorate("cancel"),this.decorate("commit"),this.decorate("updateSize"),this.on("commit",t=>{this.state.proposedWidth||this.state.proposedWidthPercents||(this._cleanup(),t.stop())},{priority:"high"})}attach(){const t=this,e=this._options.viewElement;this._options.editor.editing.view.change(o=>{const i=o.createUIElement("div",{class:"ck ck-reset_all ck-widget__resizer"},(function(e){const o=this.toDomElement(e);return t._appendHandles(o),t._appendSizeUI(o),t._domResizerWrapper=o,t.on("change:isEnabled",(t,e,i)=>{o.style.display=i?"":"none"}),o.style.display=t.isEnabled?"":"none",o}));o.insert(o.createPositionAt(e,"end"),i),o.addClass("ck-widget_with-resizer",e),this._viewResizerWrapper=i})}begin(t){this.state=new Vu(this._options),this._sizeUI.bindToState(this._options,this.state),this._initialViewWidth=this._options.viewElement.getStyle("width"),this.state.begin(t,this._getHandleHost(),this._getResizeHost())}updateSize(t){const e=this._proposeNewSize(t);this._options.editor.editing.view.change(t=>{const o=this._options.unit||"%",i=("%"===o?e.widthPercents:e.width)+o;t.setStyle("width",i,this._options.viewElement)});const o=this._getHandleHost(),i=new Zr(o);e.handleHostWidth=Math.round(i.width),e.handleHostHeight=Math.round(i.height);const n=new Zr(o);e.width=Math.round(n.width),e.height=Math.round(n.height),this.redraw(i),this.state.update(e)}commit(){const t=this._options.unit||"%",e=("%"===t?this.state.proposedWidthPercents:this.state.proposedWidth)+t;this._options.editor.editing.view.change(()=>{this._cleanup(),this._options.onCommit(e)})}cancel(){this._cleanup()}destroy(){this.cancel()}redraw(t){const e=this._domResizerWrapper;var o;(o=e)&&o.ownerDocument&&o.ownerDocument.contains(o)&&this._options.editor.editing.view.change(o=>{const i=e.parentElement,n=this._getHandleHost(),r=t||new Zr(n);o.setStyle("width",r.width+"px",this._viewResizerWrapper),o.setStyle("height",r.height+"px",this._viewResizerWrapper);const s=n.offsetLeft,a=n.offsetTop,l=n.offsetHeight,c=n.offsetWidth;i.isSameNode(n)||(o.setStyle("left",s+"px",this._viewResizerWrapper),o.setStyle("top",a+"px",this._viewResizerWrapper),o.setStyle("height",l+"px",this._viewResizerWrapper),o.setStyle("width",c+"px",this._viewResizerWrapper))})}containsHandle(t){return this._domResizerWrapper.contains(t)}static isResizeHandle(t){return t.classList.contains("ck-widget__resizer__handle")}_cleanup(){this._sizeUI.dismiss(),this._sizeUI.isVisible=!1;this._options.editor.editing.view.change(t=>{t.setStyle("width",this._initialViewWidth,this._options.viewElement)})}_proposeNewSize(t){const e=this.state,o={x:(i=t).pageX,y:i.pageY};var i;const n=!this._options.isCentered||this._options.isCentered(this),r={x:e._referenceCoordinates.x-(o.x+e.originalWidth),y:o.y-e.originalHeight-e._referenceCoordinates.y};n&&e.activeHandlePosition.endsWith("-right")&&(r.x=o.x-(e._referenceCoordinates.x+e.originalWidth)),n&&(r.x*=2);const s={width:Math.abs(e.originalWidth+r.x),height:Math.abs(e.originalHeight+r.y)};s.dominant=s.width/e.aspectRatio>s.height?"width":"height",s.max=s[s.dominant];const a={width:s.width,height:s.height};return"width"==s.dominant?a.height=a.width/e.aspectRatio:a.width=a.height*e.aspectRatio,{width:Math.round(a.width),height:Math.round(a.height),widthPercents:Math.min(Math.round(e.originalWidthPercents/e.originalWidth*a.width*100)/100,100)}}_getResizeHost(){const t=this._domResizerWrapper.parentElement;return this._options.getResizeHost(t)}_getHandleHost(){const t=this._domResizerWrapper.parentElement;return this._options.getHandleHost(t)}_appendHandles(t){const e=["top-left","top-right","bottom-right","bottom-left"];for(const i of e)t.appendChild(new Ol({tag:"div",attributes:{class:"ck-widget__resizer__handle "+(o=i,"ck-widget__resizer__handle-"+o)}}).render());var o}_appendSizeUI(t){const e=new Mu;e.render(),this._sizeUI=e,t.appendChild(e.element)}}Co(Ou,Wi);class Mu extends Xl{constructor(){super();const t=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-size-view",t.to("activeHandlePosition",t=>t?"ck-orientation-"+t:"")],style:{display:t.if("isVisible","none",t=>!t)}},children:[{text:t.to("label")}]})}bindToState(t,e){this.bind("isVisible").to(e,"proposedWidth",e,"proposedHeight",(t,e)=>null!==t&&null!==e),this.bind("label").to(e,"proposedHandleHostWidth",e,"proposedHandleHostHeight",e,"proposedWidthPercents",(e,o,i)=>"px"===t.unit?`${e}×${o}`:i+"%"),this.bind("activeHandlePosition").to(e)}dismiss(){this.unbind(),this.isVisible=!1}}var Nu=function(t,e,o){var i=!0,n=!0;if("function"!=typeof t)throw new TypeError("Expected a function");return z(o)&&(i="leading"in o?!!o.leading:i,n="trailing"in o?!!o.trailing:n),qr(t,e,{leading:i,maxWait:e,trailing:n})};o(74);class Bu extends Rl{static get pluginName(){return"WidgetResize"}init(){this.set("_visibleResizer",null),this.set("_activeResizer",null),this._resizers=new Map;const t=tr.window.document;this.editor.model.schema.setAttributeProperties("width",{isFormatting:!0}),this._observer=Object.create(cr),this._observer.listenTo(t,"mousedown",this._mouseDownListener.bind(this)),this._observer.listenTo(t,"mousemove",this._mouseMoveListener.bind(this)),this._observer.listenTo(t,"mouseup",this._mouseUpListener.bind(this));const e=()=>{this._visibleResizer&&this._visibleResizer.redraw()},o=Nu(e,200);this.on("change:_visibleResizer",e),this.editor.ui.on("update",o),this._observer.listenTo(tr.window,"resize",o);const i=this.editor.editing.view.document.selection;i.on("change",()=>{const t=i.getSelectedElement();this._visibleResizer=this._getResizerByViewElement(t)||null})}destroy(){this._observer.stopListening();for(const t of this._resizers.values())t.destroy()}attachTo(t){const e=new Ou(t),o=this.editor.plugins;if(e.attach(),o.has("WidgetToolbarRepository")){const t=o.get("WidgetToolbarRepository");e.on("begin",()=>{t.forceDisabled("resize")},{priority:"lowest"}),e.on("cancel",()=>{t.clearForceDisabled("resize")},{priority:"highest"}),e.on("commit",()=>{t.clearForceDisabled("resize")},{priority:"highest"})}return this._resizers.set(t.viewElement,e),e}_getResizerByHandle(t){for(const e of this._resizers.values())if(e.containsHandle(t))return e}_getResizerByViewElement(t){return this._resizers.get(t)}_mouseDownListener(t,e){if(!Ou.isResizeHandle(e.target))return;const o=e.target;this._activeResizer=this._getResizerByHandle(o),this._activeResizer&&this._activeResizer.begin(o)}_mouseMoveListener(t,e){this._activeResizer&&this._activeResizer.updateSize(e)}_mouseUpListener(){this._activeResizer&&(this._activeResizer.commit(),this._activeResizer=null)}}Co(Bu,Wi);class zu extends _d{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=fh(t),t&&t.hasAttribute("width")?this.value={width:t.getAttribute("width"),height:null}:this.value=null}execute(t){const e=this.editor.model,o=e.document.selection.getSelectedElement();e.change(e=>{e.setAttribute("width",t.width,o)})}}o(76);function Fu(t,e,o){return o.createRange(Du(t,e,!0,o),Du(t,e,!1,o))}function Du(t,e,o,i){let n=t.textNode||(o?t.nodeBefore:t.nodeAfter),r=null;for(;n&&n.getAttribute("linkHref")==e;)r=n,n=o?n.previousSibling:n.nextSibling;return r?i.createPositionAt(r,o?"before":"after"):t}class Lu extends _d{constructor(t){super(t),this.manualDecorators=new Ao}restoreManualDecoratorStates(){for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id)}refresh(){const t=this.editor.model,e=t.document;this.value=e.selection.getAttribute("linkHref");for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id);this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref")}execute(t,e={}){const o=this.editor.model,i=o.document.selection,n=[],r=[];for(const t in e)e[t]?n.push(t):r.push(t);o.change(e=>{if(i.isCollapsed){const s=i.getFirstPosition();if(i.hasAttribute("linkHref")){const a=Fu(s,i.getAttribute("linkHref"),o);e.setAttribute("linkHref",t,a),n.forEach(t=>{e.setAttribute(t,!0,a)}),r.forEach(t=>{e.removeAttribute(t,a)}),e.setSelection(a)}else if(""!==t){const r=zo(i.getAttributes());r.set("linkHref",t),n.forEach(t=>{r.set(t,!0)});const a=e.createText(t,r);o.insertContent(a,s),e.setSelection(e.createRangeOn(a))}}else{const s=o.schema.getValidRanges(i.getRanges(),"linkHref");for(const o of s)e.setAttribute("linkHref",t,o),n.forEach(t=>{e.setAttribute(t,!0,o)}),r.forEach(t=>{e.removeAttribute(t,o)})}})}_getDecoratorStateFromModel(t){return this.editor.model.document.selection.getAttribute(t)}}class ju extends _d{refresh(){this.isEnabled=this.editor.model.document.selection.hasAttribute("linkHref")}execute(){const t=this.editor,e=this.editor.model,o=e.document.selection,i=t.commands.get("link");e.change(t=>{const n=o.isCollapsed?[Fu(o.getFirstPosition(),o.getAttribute("linkHref"),e)]:o.getRanges();for(const e of n)if(t.removeAttribute("linkHref",e),i)for(const o of i.manualDecorators)t.removeAttribute(o.id,e)})}}var Hu=function(t,e,o){var i=t.length;return o=void 0===o?i:o,!e&&o>=i?t:ni(t,e,o)},Wu=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]");var qu=function(t){return Wu.test(t)};var Uu=function(t){return t.split("")},$u="[\\ud800-\\udfff]",Gu="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",Ku="\\ud83c[\\udffb-\\udfff]",Ju="[^\\ud800-\\udfff]",Yu="(?:\\ud83c[\\udde6-\\uddff]){2}",Qu="[\\ud800-\\udbff][\\udc00-\\udfff]",Xu="(?:"+Gu+"|"+Ku+")"+"?",Zu="[\\ufe0e\\ufe0f]?"+Xu+("(?:\\u200d(?:"+[Ju,Yu,Qu].join("|")+")[\\ufe0e\\ufe0f]?"+Xu+")*"),tg="(?:"+[Ju+Gu+"?",Gu,Yu,Qu,$u].join("|")+")",eg=RegExp(Ku+"(?="+Ku+")|"+tg+Zu,"g");var og=function(t){return t.match(eg)||[]};var ig=function(t){return qu(t)?og(t):Uu(t)};var ng=function(t){return function(e){e=Zo(e);var o=qu(e)?ig(e):void 0,i=o?o[0]:e.charAt(0),n=o?Hu(o,1).join(""):e.slice(1);return i[t]()+n}}("toUpperCase");const rg=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,sg=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i;function ag(t,e){const o=e.createAttributeElement("a",{href:t},{priority:5});return e.setCustomProperty("link",!0,o),o}function lg(t){return function(t){return t.replace(rg,"").match(sg)}(t=String(t))?t:"#"}class cg{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(t){Array.isArray(t)?t.forEach(t=>this._definitions.add(t)):this._definitions.add(t)}getDispatcher(){return t=>{t.on("attribute:linkHref",(t,e,o)=>{if(!o.consumable.test(e.item,"attribute:linkHref"))return;const i=o.writer,n=i.document.selection;for(const t of this._definitions){const r=i.createAttributeElement("a",t.attributes,{priority:5});i.setCustomProperty("link",!0,r),t.callback(e.attributeNewValue)?e.item.is("selection")?i.wrap(n.getFirstRange(),r):i.wrap(o.mapper.toViewRange(e.range),r):i.unwrap(o.mapper.toViewRange(e.range),r)}},{priority:"high"})}}}class dg{constructor({id:t,label:e,attributes:o,defaultValue:i}){this.id=t,this.set("value"),this.defaultValue=i,this.label=e,this.attributes=o}}Co(dg,Wi);class hg{constructor(t,e,o){this.model=t,this.attribute=o,this._modelSelection=t.document.selection,this._overrideUid=null,this._isNextGravityRestorationSkipped=!1,e.listenTo(this._modelSelection,"change:range",(t,e)=>{this._isNextGravityRestorationSkipped?this._isNextGravityRestorationSkipped=!1:this._isGravityOverridden&&(!e.directChange&&ug(this._modelSelection.getFirstPosition(),o)||this._restoreGravity())})}handleForwardMovement(t,e){const o=this.attribute;if(!(this._isGravityOverridden||t.isAtStart&&this._hasSelectionAttribute))return fg(t,o)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._removeSelectionAttribute(),!0):gg(t,o)||mg(t,o)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._overrideGravity(),!0):void 0}handleBackwardMovement(t,e){const o=this.attribute;return this._isGravityOverridden?fg(t,o)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._restoreGravity(),this._removeSelectionAttribute(),!0):(this._preventCaretMovement(e),this._restoreGravity(),t.isAtStart&&this._removeSelectionAttribute(),!0):fg(t,o)&&!this._hasSelectionAttribute?(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtEnd&&mg(t,o)?this._hasSelectionAttribute?void(pg(t,o)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity())):(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtStart?this._hasSelectionAttribute?(this._removeSelectionAttribute(),this._preventCaretMovement(e),!0):void 0:void(pg(t,o)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity()))}get _isGravityOverridden(){return!!this._overrideUid}get _hasSelectionAttribute(){return this._modelSelection.hasAttribute(this.attribute)}_overrideGravity(){this._overrideUid=this.model.change(t=>t.overrideSelectionGravity())}_restoreGravity(){this.model.change(t=>{t.restoreSelectionGravity(this._overrideUid),this._overrideUid=null})}_preventCaretMovement(t){t.preventDefault()}_removeSelectionAttribute(){this.model.change(t=>{t.removeSelectionAttribute(this.attribute)})}_setSelectionAttributeFromTheNodeBefore(t){const e=this.attribute;this.model.change(o=>{o.setSelectionAttribute(this.attribute,t.nodeBefore.getAttribute(e))})}_skipNextAutomaticGravityRestoration(){this._isNextGravityRestorationSkipped=!0}}function ug(t,e){return gg(t,e)||mg(t,e)}function gg(t,e){const{nodeBefore:o,nodeAfter:i}=t,n=!!o&&o.hasAttribute(e);return!!i&&i.hasAttribute(e)&&(!n||o.getAttribute(e)!==i.getAttribute(e))}function mg(t,e){const{nodeBefore:o,nodeAfter:i}=t,n=!!o&&o.hasAttribute(e),r=!!i&&i.hasAttribute(e);return n&&(!r||o.getAttribute(e)!==i.getAttribute(e))}function fg(t,e){const{nodeBefore:o,nodeAfter:i}=t,n=!!o&&o.hasAttribute(e);if(!!i&&i.hasAttribute(e)&&n)return i.getAttribute(e)!==o.getAttribute(e)}function pg(t,e){return ug(t.getShiftedBy(-1),e)}o(78);const bg=/^(https?:)?\/\//;class wg extends Rl{static get pluginName(){return"LinkEditing"}constructor(t){super(t),t.config.define("link",{addTargetToExternalLinks:!1})}init(){const t=this.editor,e=t.locale;t.model.schema.extend("$text",{allowAttributes:"linkHref"}),t.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:ag}),t.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(t,e)=>ag(lg(t),e)}),t.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:t=>t.getAttribute("href")}}),t.commands.add("link",new Lu(t)),t.commands.add("unlink",new ju(t));const o=function(t,e){const o={"Open in a new tab":t("Open in a new tab"),Downloadable:t("Downloadable")};return e.forEach(t=>(t.label&&o[t.label]&&(t.label=o[t.label]),t)),e}(t.t,function(t){const e=[];if(t)for(const[o,i]of Object.entries(t)){const t=Object.assign({},i,{id:"link"+ng(o)});e.push(t)}return e}(t.config.get("link.decorators")));this._enableAutomaticDecorators(o.filter(t=>"automatic"===t.mode)),this._enableManualDecorators(o.filter(t=>"manual"===t.mode)),function({view:t,model:e,emitter:o,attribute:i,locale:n}){const r=new hg(e,o,i),s=e.document.selection;o.listenTo(t.document,"keydown",(t,e)=>{if(!s.isCollapsed)return;if(e.shiftKey||e.altKey||e.ctrlKey)return;const o=e.keyCode==pn.arrowright,i=e.keyCode==pn.arrowleft;if(!o&&!i)return;const a=s.getFirstPosition(),l=n.contentLanguageDirection;let c;c="ltr"===l&&o||"rtl"===l&&i?r.handleForwardMovement(a,e):r.handleBackwardMovement(a,e),c&&t.stop()},{priority:uo.get("high")+1})}({view:t.editing.view,model:t.model,emitter:this,attribute:"linkHref",locale:e}),this._setupLinkHighlight(),this._enableInsertContentSelectionAttributesFixer()}_enableAutomaticDecorators(t){const e=this.editor,o=new cg;e.config.get("link.addTargetToExternalLinks")&&o.add({id:"linkIsExternal",mode:"automatic",callback:t=>bg.test(t),attributes:{target:"_blank",rel:"noopener noreferrer"}}),o.add(t),o.length&&e.conversion.for("downcast").add(o.getDispatcher())}_enableManualDecorators(t){if(!t.length)return;const e=this.editor,o=e.commands.get("link").manualDecorators;t.forEach(t=>{e.model.schema.extend("$text",{allowAttributes:t.id}),o.add(new dg(t)),e.conversion.for("downcast").attributeToElement({model:t.id,view:(e,i)=>{if(e){const e=o.get(t.id).attributes,n=i.createAttributeElement("a",e,{priority:5});return i.setCustomProperty("link",!0,n),n}}}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:o.get(t.id).attributes},model:{key:t.id}})})}_setupLinkHighlight(){const t=this.editor,e=t.editing.view,o=new Set;e.document.registerPostFixer(e=>{const i=t.model.document.selection;let n=!1;if(i.hasAttribute("linkHref")){const r=Fu(i.getFirstPosition(),i.getAttribute("linkHref"),t.model),s=t.editing.mapper.toViewRange(r);for(const t of s.getItems())t.is("a")&&!t.hasClass("ck-link_selected")&&(e.addClass("ck-link_selected",t),o.add(t),n=!0)}return n}),t.conversion.for("editingDowncast").add(t=>{function i(){e.change(t=>{for(const e of o.values())t.removeClass("ck-link_selected",e),o.delete(e)})}t.on("insert",i,{priority:"highest"}),t.on("remove",i,{priority:"highest"}),t.on("attribute",i,{priority:"highest"}),t.on("selection",i,{priority:"highest"})})}_enableInsertContentSelectionAttributesFixer(){const t=this.editor.model,e=t.document.selection;t.on("insertContent",()=>{const o=e.anchor.nodeBefore,i=e.anchor.nodeAfter;e.hasAttribute("linkHref")&&o&&o.hasAttribute("linkHref")&&(i&&i.hasAttribute("linkHref")||t.change(e=>{[...t.document.selection.getAttributeKeys()].filter(t=>t.startsWith("link")).forEach(t=>e.removeSelectionAttribute(t))}))},{priority:"low"})}}class kg extends Or{constructor(t){super(t),this.domEventType="click"}onDomEvent(t){this.fire(t.type,t)}}o(80);class _g extends Xl{constructor(t,e){super(t);const o=t.t;this.focusTracker=new gc,this.keystrokes=new Al,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(o("Save"),Fh,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(o("Cancel"),Dh,"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(e),this.children=this._createFormChildren(e.manualDecorators),this._focusables=new Vl,this._focusCycler=new wc({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const i=["ck","ck-link-form"];e.manualDecorators.length&&i.push("ck-link-form_layout-vertical"),this.setTemplate({tag:"form",attributes:{class:i,tabindex:"-1"},children:this.children})}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce((t,e)=>(t[e.name]=e.isOn,t),{})}render(){super.render(),zh({view:this});[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createUrlInput(){const t=this.locale.t,e=new Oh(this.locale,Nh);return e.label=t("Link URL"),e.fieldView.placeholder="https://example.com",e}_createButton(t,e,o,i){const n=new uc(this.locale);return n.set({label:t,icon:e,tooltip:!0}),n.extendTemplate({attributes:{class:o}}),i&&n.delegate("execute").to(this,i),n}_createManualDecoratorSwitches(t){const e=this.createCollection();for(const o of t.manualDecorators){const i=new Rc(this.locale);i.set({name:o.id,label:o.label,withText:!0}),i.bind("isOn").toMany([o,t],"value",(t,e)=>void 0===e&&void 0===t?o.defaultValue:t),i.on("execute",()=>{o.set("value",!i.isOn)}),e.add(i)}return e}_createFormChildren(t){const e=this.createCollection();if(e.add(this.urlInputView),t.length){const t=new Xl;t.setTemplate({tag:"ul",children:this._manualDecoratorSwitches.map(t=>({tag:"li",children:[t],attributes:{class:["ck","ck-list__item"]}})),attributes:{class:["ck","ck-reset","ck-list"]}}),e.add(t)}return e.add(this.saveButtonView),e.add(this.cancelButtonView),e}}o(82);class vg extends Xl{constructor(t){super(t);const e=t.t;this.focusTracker=new gc,this.keystrokes=new Al,this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(e("Unlink"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184zm4.919 10.562l-1.414 1.414a.75.75 0 1 1-1.06-1.06l1.414-1.415-1.415-1.414a.75.75 0 0 1 1.061-1.06l1.414 1.414 1.414-1.415a.75.75 0 0 1 1.061 1.061l-1.414 1.414 1.414 1.415a.75.75 0 0 1-1.06 1.06l-1.415-1.414z"/></svg>',"unlink"),this.editButtonView=this._createButton(e("Edit link"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7.3 17.37l-.061.088a1.518 1.518 0 0 1-.934.535l-4.178.663-.806-4.153a1.495 1.495 0 0 1 .187-1.058l.056-.086L8.77 2.639c.958-1.351 2.803-1.076 4.296-.03 1.497 1.047 2.387 2.693 1.433 4.055L7.3 17.37zM9.14 4.728l-5.545 8.346 3.277 2.294 5.544-8.346L9.14 4.728zM6.07 16.512l-3.276-2.295.53 2.73 2.746-.435zM9.994 3.506L13.271 5.8c.316-.452-.16-1.333-1.065-1.966-.905-.634-1.895-.78-2.212-.328zM8 18.5L9.375 17H19v1.5H8z"/></svg>',"edit"),this.set("href"),this._focusables=new Vl,this._focusCycler=new wc({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render();[this.previewButtonView,this.editButtonView,this.unlinkButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createButton(t,e,o){const i=new uc(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.delegate("execute").to(this,o),i}_createPreviewButton(){const t=new uc(this.locale),e=this.bindTemplate,o=this.t;return t.set({withText:!0,tooltip:o("Open link in new tab")}),t.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:e.to("href",t=>t&&lg(t)),target:"_blank",rel:"noopener noreferrer"}}),t.bind("label").to(this,"href",t=>t||o("This link has no URL")),t.bind("isEnabled").to(this,"href",t=>!!t),t.template.tag="a",t.template.eventListeners={},t}}class yg extends Rl{static get requires(){return[fc]}static get pluginName(){return"LinkUI"}init(){const t=this.editor;t.editing.view.addObserver(kg),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=t.plugins.get(fc),this._createToolbarLinkButton(),this._enableUserBalloonInteractions()}destroy(){super.destroy(),this.formView.destroy()}_createActionsView(){const t=this.editor,e=new vg(t.locale),o=t.commands.get("link"),i=t.commands.get("unlink");return e.bind("href").to(o,"value"),e.editButtonView.bind("isEnabled").to(o),e.unlinkButtonView.bind("isEnabled").to(i),this.listenTo(e,"edit",()=>{this._addFormView()}),this.listenTo(e,"unlink",()=>{t.execute("unlink"),this._hideUI()}),e.keystrokes.set("Esc",(t,e)=>{this._hideUI(),e()}),e.keystrokes.set("Ctrl+K",(t,e)=>{this._addFormView(),e()}),e}_createFormView(){const t=this.editor,e=t.commands.get("link"),o=new _g(t.locale,e);return o.urlInputView.fieldView.bind("value").to(e,"value"),o.urlInputView.bind("isReadOnly").to(e,"isEnabled",t=>!t),o.saveButtonView.bind("isEnabled").to(e),this.listenTo(o,"submit",()=>{t.execute("link",o.urlInputView.fieldView.element.value,o.getDecoratorSwitchesState()),this._closeFormView()}),this.listenTo(o,"cancel",()=>{this._closeFormView()}),o.keystrokes.set("Esc",(t,e)=>{this._closeFormView(),e()}),o}_createToolbarLinkButton(){const t=this.editor,e=t.commands.get("link"),o=t.t;t.keystrokes.set("Ctrl+K",(t,e)=>{e(),this._showUI(!0)}),t.ui.componentFactory.add("link",t=>{const i=new uc(t);return i.isEnabled=!0,i.label=o("Link"),i.icon='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184z"/></svg>',i.keystroke="Ctrl+K",i.tooltip=!0,i.isToggleable=!0,i.bind("isEnabled").to(e,"isEnabled"),i.bind("isOn").to(e,"value",t=>!!t),this.listenTo(i,"execute",()=>this._showUI(!0)),i})}_enableUserBalloonInteractions(){const t=this.editor.editing.view.document;this.listenTo(t,"click",()=>{this._getSelectedLinkElement()&&this._showUI()}),this.editor.keystrokes.set("Tab",(t,e)=>{this._areActionsVisible&&!this.actionsView.focusTracker.isFocused&&(this.actionsView.focus(),e())},{priority:"high"}),this.editor.keystrokes.set("Esc",(t,e)=>{this._isUIVisible&&(this._hideUI(),e())}),Ic({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){this._areActionsInPanel||this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this._isFormInPanel)return;const t=this.editor.commands.get("link");this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this._balloon.visibleView===this.formView&&this.formView.urlInputView.fieldView.select(),this.formView.urlInputView.fieldView.element.value=t.value||""}_closeFormView(){const t=this.editor.commands.get("link");t.restoreManualDecoratorStates(),void 0!==t.value?this._removeFormView():this._hideUI()}_removeFormView(){this._isFormInPanel&&(this.formView.saveButtonView.focus(),this._balloon.remove(this.formView),this.editor.editing.view.focus())}_showUI(t=!1){this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),t&&this._balloon.showStack("main")):(this._addActionsView(),t&&this._balloon.showStack("main"),this._addFormView()),this._startUpdatingUI()}_hideUI(){if(!this._isUIInPanel)return;const t=this.editor;this.stopListening(t.ui,"update"),this.stopListening(this._balloon,"change:visibleView"),t.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView)}_startUpdatingUI(){const t=this.editor,e=t.editing.view.document;let o=this._getSelectedLinkElement(),i=r();const n=()=>{const t=this._getSelectedLinkElement(),e=r();o&&!t||!o&&e!==i?this._hideUI():this._isUIVisible&&this._balloon.updatePosition(this._getBalloonPositionData()),o=t,i=e};function r(){return e.selection.focus.getAncestors().reverse().find(t=>t.is("element"))}this.listenTo(t.ui,"update",n),this.listenTo(this._balloon,"change:visibleView",n)}get _isFormInPanel(){return this._balloon.hasView(this.formView)}get _areActionsInPanel(){return this._balloon.hasView(this.actionsView)}get _areActionsVisible(){return this._balloon.visibleView===this.actionsView}get _isUIInPanel(){return this._isFormInPanel||this._areActionsInPanel}get _isUIVisible(){return this._balloon.visibleView==this.formView||this._areActionsVisible}_getBalloonPositionData(){const t=this.editor.editing.view,e=t.document,o=this._getSelectedLinkElement();return{target:o?t.domConverter.mapViewToDom(o):t.domConverter.viewRangeToDom(e.selection.getFirstRange())}}_getSelectedLinkElement(){const t=this.editor.editing.view,e=t.document.selection;if(e.isCollapsed)return xg(e.getFirstPosition());{const o=e.getFirstRange().getTrimmed(),i=xg(o.start),n=xg(o.end);return i&&i==n&&t.createRangeIn(i).getTrimmed().isEqual(o)?i:null}}}function xg(t){return t.getAncestors().find(t=>{return(e=t).is("attributeElement")&&!!e.getCustomProperty("link");var e})}class Cg extends _d{constructor(t,e){super(t),this.type=e}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document,o=Array.from(e.selection.getSelectedBlocks()).filter(e=>Tg(e,t.schema)),i=!0===this.value;t.change(t=>{if(i){let e=o[o.length-1].nextSibling,i=Number.POSITIVE_INFINITY,n=[];for(;e&&"listItem"==e.name&&0!==e.getAttribute("listIndent");){const t=e.getAttribute("listIndent");t<i&&(i=t);const o=t-i;n.push({element:e,listIndent:o}),e=e.nextSibling}n=n.reverse();for(const e of n)t.setAttribute("listIndent",e.listIndent,e.element)}if(!i){let t=Number.POSITIVE_INFINITY;for(const e of o)e.is("listItem")&&e.getAttribute("listIndent")<t&&(t=e.getAttribute("listIndent"));t=0===t?1:t,Ag(o,!0,t),Ag(o,!1,t)}for(const e of o.reverse())i&&"listItem"==e.name?t.rename(e,"paragraph"):i||"listItem"==e.name?i||"listItem"!=e.name||e.getAttribute("listType")==this.type||t.setAttribute("listType",this.type,e):(t.setAttributes({listType:this.type,listIndent:0},e),t.rename(e,"listItem"))})}_getValue(){const t=zd(this.editor.model.document.selection.getSelectedBlocks());return!!t&&t.is("listItem")&&t.getAttribute("listType")==this.type}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,o=zd(t.getSelectedBlocks());return!!o&&Tg(o,e)}}function Ag(t,e,o){const i=e?t[0]:t[t.length-1];if(i.is("listItem")){let n=i[e?"previousSibling":"nextSibling"],r=i.getAttribute("listIndent");for(;n&&n.is("listItem")&&n.getAttribute("listIndent")>=o;)r>n.getAttribute("listIndent")&&(r=n.getAttribute("listIndent")),n.getAttribute("listIndent")==r&&t[e?"unshift":"push"](n),n=n[e?"previousSibling":"nextSibling"]}}function Tg(t,e){return e.checkChild(t.parent,"listItem")&&!e.isObject(t)}class Pg extends _d{constructor(t,e){super(t),this._indentBy="forward"==e?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document;let o=Array.from(e.selection.getSelectedBlocks());t.change(t=>{const e=o[o.length-1];let i=e.nextSibling;for(;i&&"listItem"==i.name&&i.getAttribute("listIndent")>e.getAttribute("listIndent");)o.push(i),i=i.nextSibling;this._indentBy<0&&(o=o.reverse());for(const e of o){const o=e.getAttribute("listIndent")+this._indentBy;o<0?t.rename(e,"paragraph"):t.setAttribute("listIndent",o,e)}})}_checkEnabled(){const t=zd(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is("listItem"))return!1;if(this._indentBy>0){const e=t.getAttribute("listIndent"),o=t.getAttribute("listType");let i=t.previousSibling;for(;i&&i.is("listItem")&&i.getAttribute("listIndent")>=e;){if(i.getAttribute("listIndent")==e)return i.getAttribute("listType")==o;i=i.previousSibling}return!1}return!0}}function Sg(t,e){const o=e.mapper,i=e.writer,n="numbered"==t.getAttribute("listType")?"ol":"ul",r=function(t){const e=t.createContainerElement("li");return e.getFillerOffset=Mg,e}(i),s=i.createContainerElement(n,null);return i.insert(i.createPositionAt(s,0),r),o.bindElements(t,r),r}function Eg(t,e,o,i){const n=e.parent,r=o.mapper,s=o.writer;let a=r.toViewPosition(i.createPositionBefore(t));const l=Vg(t.previousSibling,{sameIndent:!0,smallerIndent:!0,listIndent:t.getAttribute("listIndent")}),c=t.previousSibling;if(l&&l.getAttribute("listIndent")==t.getAttribute("listIndent")){const t=r.toViewElement(l);a=s.breakContainer(s.createPositionAfter(t))}else a=c&&"listItem"==c.name?r.toViewPosition(i.createPositionAt(c,"end")):r.toViewPosition(i.createPositionBefore(t));if(a=Ig(a),s.insert(a,n),c&&"listItem"==c.name){const t=r.toViewElement(c),o=s.createRange(s.createPositionAt(t,0),a).getWalker({ignoreElementEnd:!0});for(const t of o)if(t.item.is("li")){const i=s.breakContainer(s.createPositionBefore(t.item)),n=t.item.parent,r=s.createPositionAt(e,"end");Rg(s,r.nodeBefore,r.nodeAfter),s.move(s.createRangeOn(n),r),o.position=i}}else{const o=n.nextSibling;if(o&&(o.is("ul")||o.is("ol"))){let i=null;for(const e of o.getChildren()){const o=r.toModelElement(e);if(!(o&&o.getAttribute("listIndent")>t.getAttribute("listIndent")))break;i=e}i&&(s.breakContainer(s.createPositionAfter(i)),s.move(s.createRangeOn(i.parent),s.createPositionAt(e,"end")))}}Rg(s,n,n.nextSibling),Rg(s,n.previousSibling,n)}function Rg(t,e,o){return!e||!o||"ul"!=e.name&&"ol"!=e.name||e.name!=o.name||e.getAttribute("class")!==o.getAttribute("class")?null:t.mergeContainers(t.createPositionAfter(e))}function Ig(t){return t.getLastMatchingPosition(t=>t.item.is("uiElement"))}function Vg(t,e){const o=!!e.sameIndent,i=!!e.smallerIndent,n=e.listIndent;let r=t;for(;r&&"listItem"==r.name;){const t=r.getAttribute("listIndent");if(o&&n==t||i&&n>t)return r;r=r.previousSibling}return null}function Og(t,e,o,i){t.ui.componentFactory.add(e,n=>{const r=t.commands.get(e),s=new uc(n);return s.set({label:o,icon:i,tooltip:!0,isToggleable:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),s.on("execute",()=>{t.execute(e),t.editing.view.focus()}),s})}function Mg(){const t=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||t?0:zi.call(this)}function Ng(t){return(e,o,i)=>{const n=i.consumable;if(!n.test(o.item,"insert")||!n.test(o.item,"attribute:listType")||!n.test(o.item,"attribute:listIndent"))return;n.consume(o.item,"insert"),n.consume(o.item,"attribute:listType"),n.consume(o.item,"attribute:listIndent");const r=o.item;Eg(r,Sg(r,i),i,t)}}function Bg(t,e,o){if(!o.consumable.consume(e.item,"attribute:listType"))return;const i=o.mapper.toViewElement(e.item),n=o.writer;n.breakContainer(n.createPositionBefore(i)),n.breakContainer(n.createPositionAfter(i));const r=i.parent,s="numbered"==e.attributeNewValue?"ol":"ul";n.rename(s,r)}function zg(t,e,o){const i=o.mapper.toViewElement(e.item).parent,n=o.writer;Rg(n,i,i.nextSibling),Rg(n,i.previousSibling,i);for(const t of e.item.getChildren())o.consumable.consume(t,"insert")}function Fg(t,e,o){if("listItem"!=e.item.name){let t=o.mapper.toViewPosition(e.range.start);const i=o.writer,n=[];for(;("ul"==t.parent.name||"ol"==t.parent.name)&&(t=i.breakContainer(t),"li"==t.parent.name);){const e=t,o=i.createPositionAt(t.parent,"end");if(!e.isEqual(o)){const t=i.remove(i.createRange(e,o));n.push(t)}t=i.createPositionAfter(t.parent)}if(n.length>0){for(let e=0;e<n.length;e++){const o=t.nodeBefore;if(t=i.insert(t,n[e]).end,e>0){const e=Rg(i,o,o.nextSibling);e&&e.parent==o&&t.offset--}}Rg(i,t.nodeBefore,t.nodeAfter)}}}function Dg(t,e,o){const i=o.mapper.toViewPosition(e.position),n=i.nodeBefore,r=i.nodeAfter;Rg(o.writer,n,r)}function Lg(t,e,o){if(o.consumable.consume(e.viewItem,{name:!0})){const t=o.writer,i=t.createElement("listItem"),n=function(t){let e=0,o=t.parent;for(;o;){if(o.is("li"))e++;else{const t=o.previousSibling;t&&t.is("li")&&e++}o=o.parent}return e}(e.viewItem);t.setAttribute("listIndent",n,i);const r=e.viewItem.parent&&"ol"==e.viewItem.parent.name?"numbered":"bulleted";t.setAttribute("listType",r,i);const s=o.splitToAllowedParent(i,e.modelCursor);if(!s)return;t.insert(i,s.position);const a=function(t,e,o){const{writer:i,schema:n}=o;let r=i.createPositionAfter(t);for(const s of e)if("ul"==s.name||"ol"==s.name)r=o.convertItem(s,r).modelCursor;else{const e=o.convertItem(s,i.createPositionAt(t,"end")),a=e.modelRange.start.nodeAfter;a&&a.is("element")&&!n.checkChild(t,a.name)&&(t=e.modelCursor.parent.is("listItem")?e.modelCursor.parent:Ug(e.modelCursor),r=i.createPositionAfter(t))}return r}(i,e.viewItem.getChildren(),o);e.modelRange=t.createRange(e.modelCursor,a),s.cursorParent?e.modelCursor=t.createPositionAt(s.cursorParent,0):e.modelCursor=e.modelRange.end}}function jg(t,e,o){if(o.consumable.test(e.viewItem,{name:!0})){const t=Array.from(e.viewItem.getChildren());for(const e of t){!(e.is("li")||Gg(e))&&e._remove()}}}function Hg(t,e,o){if(o.consumable.test(e.viewItem,{name:!0})){if(0===e.viewItem.childCount)return;const t=[...e.viewItem.getChildren()];let o=!1,i=!0;for(const e of t)o&&!Gg(e)&&e._remove(),e.is("text")?(i&&(e._data=e.data.replace(/^\s+/,"")),e.nextSibling&&!Gg(e.nextSibling)||(e._data=e.data.replace(/\s+$/,""))):Gg(e)&&(o=!0),i=!1}}function Wg(t){return(e,o)=>{if(o.isPhantom)return;const i=o.modelPosition.nodeBefore;if(i&&i.is("listItem")){const e=o.mapper.toViewElement(i),n=e.getAncestors().find(Gg),r=t.createPositionAt(e,0).getWalker();for(const t of r){if("elementStart"==t.type&&t.item.is("li")){o.viewPosition=t.previousPosition;break}if("elementEnd"==t.type&&t.item==n){o.viewPosition=t.nextPosition;break}}}}}function qg(t,[e,o]){let i,n=e.is("documentFragment")?e.getChild(0):e;if(i=o?this.createSelection(o):this.document.selection,n&&n.is("listItem")){const t=i.getFirstPosition();let e=null;if(t.parent.is("listItem")?e=t.parent:t.nodeBefore&&t.nodeBefore.is("listItem")&&(e=t.nodeBefore),e){const t=e.getAttribute("listIndent");if(t>0)for(;n&&n.is("listItem");)n._setAttribute("listIndent",n.getAttribute("listIndent")+t),n=n.nextSibling}}}function Ug(t){const e=new ws({startPosition:t});let o;do{o=e.next()}while(!o.value.item.is("listItem"));return o.value.item}function $g(t,e,o,i,n,r){const s=Vg(e.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:t,foo:"b"}),a=n.mapper,l=n.writer,c=s?s.getAttribute("listIndent"):null;let d;if(s)if(c==t){const t=a.toViewElement(s).parent;d=l.createPositionAfter(t)}else{const t=r.createPositionAt(s,"end");d=a.toViewPosition(t)}else d=o;d=Ig(d);for(const t of[...i.getChildren()])Gg(t)&&(d=l.move(l.createRangeOn(t),d).end,Rg(l,t,t.nextSibling),Rg(l,t.previousSibling,t))}function Gg(t){return t.is("ol")||t.is("ul")}class Kg extends Rl{static get pluginName(){return"ListEditing"}static get requires(){return[Gd]}init(){const t=this.editor;t.model.schema.register("listItem",{inheritAllFrom:"$block",allowAttributes:["listType","listIndent"]});const e=t.data,o=t.editing;var i;t.model.document.registerPostFixer(e=>function(t,e){const o=t.document.differ.getChanges(),i=new Map;let n=!1;for(const i of o)if("insert"==i.type&&"listItem"==i.name)r(i.position);else if("insert"==i.type&&"listItem"!=i.name){if("$text"!=i.name){const o=i.position.nodeAfter;o.hasAttribute("listIndent")&&(e.removeAttribute("listIndent",o),n=!0),o.hasAttribute("listType")&&(e.removeAttribute("listType",o),n=!0);for(const e of Array.from(t.createRangeIn(o)).filter(t=>t.item.is("listItem")))r(e.previousPosition)}r(i.position.getShiftedBy(i.length))}else"remove"==i.type&&"listItem"==i.name?r(i.position):("attribute"==i.type&&"listIndent"==i.attributeKey||"attribute"==i.type&&"listType"==i.attributeKey)&&r(i.range.start);for(const t of i.values())s(t),a(t);return n;function r(t){const e=t.nodeBefore;if(e&&e.is("listItem")){let t=e;if(i.has(t))return;for(let e=t.previousSibling;e&&e.is("listItem");e=t.previousSibling)if(t=e,i.has(t))return;i.set(e,t)}else{const e=t.nodeAfter;e&&e.is("listItem")&&i.set(e,e)}}function s(t){let o=0,i=null;for(;t&&t.is("listItem");){const r=t.getAttribute("listIndent");if(r>o){let s;null===i?(i=r-o,s=o):(i>r&&(i=r),s=r-i),e.setAttribute("listIndent",s,t),n=!0}else i=null,o=t.getAttribute("listIndent")+1;t=t.nextSibling}}function a(t){let o=[],i=null;for(;t&&t.is("listItem");){const r=t.getAttribute("listIndent");if(i&&i.getAttribute("listIndent")>r&&(o=o.slice(0,r+1)),0!=r)if(o[r]){const i=o[r];t.getAttribute("listType")!=i&&(e.setAttribute("listType",i,t),n=!0)}else o[r]=t.getAttribute("listType");i=t,t=t.nextSibling}}}(t.model,e)),o.mapper.registerViewToModelLength("li",Jg),e.mapper.registerViewToModelLength("li",Jg),o.mapper.on("modelToViewPosition",Wg(o.view)),o.mapper.on("viewToModelPosition",(i=t.model,(t,e)=>{const o=e.viewPosition,n=o.parent,r=e.mapper;if("ul"==n.name||"ol"==n.name){if(o.isAtEnd){const t=r.toModelElement(o.nodeBefore),n=r.getModelLength(o.nodeBefore);e.modelPosition=i.createPositionBefore(t).getShiftedBy(n)}else{const t=r.toModelElement(o.nodeAfter);e.modelPosition=i.createPositionBefore(t)}t.stop()}else if("li"==n.name&&o.nodeBefore&&("ul"==o.nodeBefore.name||"ol"==o.nodeBefore.name)){const s=r.toModelElement(n);let a=1,l=o.nodeBefore;for(;l&&Gg(l);)a+=r.getModelLength(l),l=l.previousSibling;e.modelPosition=i.createPositionBefore(s).getShiftedBy(a),t.stop()}})),e.mapper.on("modelToViewPosition",Wg(o.view)),t.conversion.for("editingDowncast").add(e=>{e.on("insert",Fg,{priority:"high"}),e.on("insert:listItem",Ng(t.model)),e.on("attribute:listType:listItem",Bg,{priority:"high"}),e.on("attribute:listType:listItem",zg,{priority:"low"}),e.on("attribute:listIndent:listItem",function(t){return(e,o,i)=>{if(!i.consumable.consume(o.item,"attribute:listIndent"))return;const n=i.mapper.toViewElement(o.item),r=i.writer;r.breakContainer(r.createPositionBefore(n)),r.breakContainer(r.createPositionAfter(n));const s=n.parent,a=s.previousSibling,l=r.createRangeOn(s);r.remove(l),a&&a.nextSibling&&Rg(r,a,a.nextSibling),$g(o.attributeOldValue+1,o.range.start,l.start,n,i,t),Eg(o.item,n,i,t);for(const t of o.item.getChildren())i.consumable.consume(t,"insert")}}(t.model)),e.on("remove:listItem",function(t){return(e,o,i)=>{const n=i.mapper.toViewPosition(o.position).getLastMatchingPosition(t=>!t.item.is("li")).nodeAfter,r=i.writer;r.breakContainer(r.createPositionBefore(n)),r.breakContainer(r.createPositionAfter(n));const s=n.parent,a=s.previousSibling,l=r.createRangeOn(s),c=r.remove(l);a&&a.nextSibling&&Rg(r,a,a.nextSibling);$g(i.mapper.toModelElement(n).getAttribute("listIndent")+1,o.position,l.start,n,i,t);for(const t of r.createRangeIn(c).getItems())i.mapper.unbindViewElement(t);e.stop()}}(t.model)),e.on("remove",Dg,{priority:"low"})}),t.conversion.for("dataDowncast").add(e=>{e.on("insert",Fg,{priority:"high"}),e.on("insert:listItem",Ng(t.model))}),t.conversion.for("upcast").add(t=>{t.on("element:ul",jg,{priority:"high"}),t.on("element:ol",jg,{priority:"high"}),t.on("element:li",Hg,{priority:"high"}),t.on("element:li",Lg)}),t.model.on("insertContent",qg,{priority:"high"}),t.commands.add("numberedList",new Cg(t,"numbered")),t.commands.add("bulletedList",new Cg(t,"bulleted")),t.commands.add("indentList",new Pg(t,"forward")),t.commands.add("outdentList",new Pg(t,"backward"));const n=o.view.document;this.listenTo(n,"enter",(t,e)=>{const o=this.editor.model.document,i=o.selection.getLastPosition().parent;o.selection.isCollapsed&&"listItem"==i.name&&i.isEmpty&&(this.editor.execute("outdentList"),e.preventDefault(),t.stop())}),this.listenTo(n,"delete",(t,e)=>{if("backward"!==e.direction)return;const o=this.editor.model.document.selection;if(!o.isCollapsed)return;const i=o.getFirstPosition();if(!i.isAtStart)return;const n=i.parent;if("listItem"!==n.name)return;n.previousSibling&&"listItem"===n.previousSibling.name||(this.editor.execute("outdentList"),e.preventDefault(),t.stop())},{priority:"high"});const r=t=>(e,o)=>{this.editor.commands.get(t).isEnabled&&(this.editor.execute(t),o())};t.keystrokes.set("Tab",r("indentList")),t.keystrokes.set("Shift+Tab",r("outdentList"))}afterInit(){const t=this.editor.commands,e=t.get("indent"),o=t.get("outdent");e&&e.registerChildCommand(t.get("indentList")),o&&o.registerChildCommand(t.get("outdentList"))}}function Jg(t){let e=1;for(const o of t.getChildren())if("ul"==o.name||"ol"==o.name)for(const t of o.getChildren())e+=Jg(t);return e}class Yg extends Rl{init(){const t=this.editor.t;Og(this.editor,"numberedList",t("Numbered List"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM3.5 3v5H2V3.7H1v-1h2.5V3zM.343 17.857l2.59-3.257H2.92a.6.6 0 1 0-1.04 0H.302a2 2 0 1 1 3.995 0h-.001c-.048.405-.16.734-.333.988-.175.254-.59.692-1.244 1.312H4.3v1h-4l.043-.043zM7 14.75a.75.75 0 0 1 .75-.75h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75z"/></svg>'),Og(this.editor,"bulletedList",t("Bulleted List"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0C1 4.784 1.777 4 2.75 4c.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75C1.784 7.5 1 6.723 1 5.75zm6 9c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0c0-.966.777-1.75 1.75-1.75.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75-.966 0-1.75-.777-1.75-1.75z"/></svg>')}}class Qg extends _d{constructor(t){super(t),this._selectedElements=[],this.on("execute",()=>{this.refresh()},{priority:"highest"})}refresh(){this._selectedElements=this._getSelectedItems(),this.value=this._selectedElements.every(t=>!!t.getAttribute("todoListChecked")),this.isEnabled=!!this._selectedElements.length}_getSelectedItems(){const t=this.editor.model,e=t.schema,o=t.document.selection.getFirstRange(),i=o.start.parent,n=[];e.checkAttribute(i,"todoListChecked")&&n.push(i);for(const t of o.getItems())e.checkAttribute(t,"todoListChecked")&&!n.includes(t)&&n.push(t);return n}execute(t={}){this.editor.model.change(e=>{for(const o of this._selectedElements){(void 0===t.forceValue?!this.value:t.forceValue)?e.setAttribute("todoListChecked",!0,o):e.removeAttribute("todoListChecked",o)}})}}function Xg(t,e,o){const i=e.range.start.parent;if("listItem"!=i.name||"todo"!=i.getAttribute("listType"))return;if(!o.consumable.consume(e.item,"insert"))return;const n=o.writer,r=o.mapper.toViewPosition(e.range.start),s=n.createText(e.item.data),a=n.createAttributeElement("span",{class:"todo-list__label__description"}),l=r.parent.getChild(0);n.insert(n.createPositionAt(r.parent,"end"),s),n.wrap(n.createRangeOn(s),a),n.wrap(n.createRangeOn(s.parent),l)}function Zg(t,e,o){const i=e.modelCursor,n=i.parent,r=e.viewItem;if("checkbox"!=r.getAttribute("type")||"listItem"!=n.name||!i.isAtStart)return;if(!o.consumable.consume(r,{name:!0}))return;const s=o.writer;s.setAttribute("listType","todo",n),e.viewItem.hasAttribute("checked")&&s.setAttribute("todoListChecked",!0,n),e.modelRange=s.createRange(i)}function tm(t,e,o,i){return e.createUIElement("label",{class:"todo-list__label",contenteditable:!1},(function(e){const n=Xc(document,"input",{type:"checkbox"});o&&n.setAttribute("checked","checked"),n.addEventListener("change",()=>i(t));const r=this.toDomElement(e);return r.appendChild(n),r}))}function em(t,e){const o=e.createRangeIn(t);for(const t of o)if(t.item.is("uiElement","label"))return t.item}class om extends Rl{static get pluginName(){return"TodoListEditing"}static get requires(){return[Kg]}init(){const t=this.editor,{editing:e,data:o,model:i}=t;var n,r;i.schema.extend("listItem",{allowAttributes:["todoListChecked"]}),i.schema.addAttributeCheck((t,e)=>{const o=t.last;if("todoListChecked"==e&&"listItem"==o.name&&"todo"!=o.getAttribute("listType"))return!1}),t.commands.add("todoList",new Cg(t,"todo")),t.commands.add("todoListCheck",new Qg(t)),o.downcastDispatcher.on("insert:listItem",function(t){return(e,o,i)=>{const n=i.consumable;if(!n.test(o.item,"insert")||!n.test(o.item,"attribute:listType")||!n.test(o.item,"attribute:listIndent"))return;if("todo"!=o.item.getAttribute("listType"))return;n.consume(o.item,"insert"),n.consume(o.item,"attribute:listType"),n.consume(o.item,"attribute:listIndent");const r=i.writer,s=o.item,a=Sg(s,i);r.addClass("todo-list",a.parent);const l=r.createAttributeElement("label",{class:"todo-list__label"}),c=r.createEmptyElement("input",{type:"checkbox",disabled:"disabled"});o.item.getAttribute("todoListChecked")&&(r.setAttribute("checked","checked",c),r.addClass("todo-list__label",l)),r.insert(r.createPositionAt(a,0),c),r.wrap(r.createRangeOn(c),l),Eg(s,a,i,t)}}(i),{priority:"high"}),o.downcastDispatcher.on("insert:$text",Xg,{priority:"high"}),e.downcastDispatcher.on("insert:listItem",function(t,e){return(o,i,n)=>{const r=n.consumable;if(!r.test(i.item,"insert")||!r.test(i.item,"attribute:listType")||!r.test(i.item,"attribute:listIndent"))return;if("todo"!=i.item.getAttribute("listType"))return;const s=i.item;r.consume(s,"insert"),r.consume(s,"attribute:listType"),r.consume(s,"attribute:listIndent"),r.consume(s,"attribute:todoListChecked");const a=n.writer,l=Sg(s,n),c=!!s.getAttribute("todoListChecked"),d=tm(s,a,c,e);a.addClass("todo-list",l.parent),a.insert(a.createPositionAt(l,0),d),Eg(s,l,n,t)}}(i,t=>this._handleCheckmarkChange(t)),{priority:"high"}),e.downcastDispatcher.on("attribute:listType:listItem",(n=t=>this._handleCheckmarkChange(t),r=e.view,(t,e,o)=>{const i=o.mapper.toViewElement(e.item),s=o.writer;if("todo"==e.attributeNewValue){const t=!!e.item.getAttribute("todoListChecked"),o=tm(e.item,s,t,n);s.addClass("todo-list",i.parent),s.insert(s.createPositionAt(i,0),o)}else"todo"==e.attributeOldValue&&(s.removeClass("todo-list",i.parent),s.remove(em(i,r)))})),e.downcastDispatcher.on("attribute:todoListChecked:listItem",function(t){return(e,o,i)=>{if("todo"!=o.item.getAttribute("listType"))return;if(!i.consumable.consume(o.item,"attribute:todoListChecked"))return;const{mapper:n,writer:r}=i,s=!!o.item.getAttribute("todoListChecked"),a=n.toViewElement(o.item).getChild(0),l=tm(o.item,r,s,t);r.insert(r.createPositionAfter(a),l),r.remove(a)}}(t=>this._handleCheckmarkChange(t))),e.mapper.on("modelToViewPosition",function(t,e){return(o,i)=>{const n=i.modelPosition,r=n.parent;if(!r.is("listItem")||"todo"!=r.getAttribute("listType")||0!==n.offset)return;const s=em(e.toViewElement(r),t);s&&(s.nextSibling&&!s.nextSibling.is("uiElement")?i.viewPosition=t.createPositionAt(s.nextSibling,0):i.viewPosition=t.createPositionAfter(s))}}(e.view,e.mapper)),o.upcastDispatcher.on("element:input",Zg,{priority:"high"});const s="ltr"===t.locale.contentLanguageDirection?"arrowleft":"arrowright";t.keystrokes.set(s,(t,e)=>function(t,e){const o=e.schema,i=e.document.selection;if(!i.isCollapsed)return;const n=i.getFirstPosition(),r=n.parent;if("listItem"===r.name&&"todo"==r.getAttribute("listType")&&n.isAtStart){const i=o.getNearestSelectionRange(e.createPositionBefore(r),"backward");i&&(t(),e.change(t=>t.setSelection(i)))}}(e,i)),t.keystrokes.set("Ctrl+space",()=>t.execute("todoListCheck"));const a=new Set;this.listenTo(i,"applyOperation",(t,e)=>{const o=e[0];if("rename"==o.type&&"listItem"==o.oldName){const t=o.position.nodeAfter;t.hasAttribute("todoListChecked")&&a.add(t)}else if("changeAttribute"==o.type&&"listType"==o.key&&"todo"===o.oldValue)for(const t of 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n=parseInt(e.getAttribute("colspan")||1),r=parseInt(e.getAttribute("rowspan")||1);(n>1||r>1)&&this._recordSpans(this._row,this._column,r,n,e),this._nextCellAtColumn=this._column+n,o=this._shouldSkipRow()||this._shouldSkipColumn(),i=this._formatOutValue(e,this._column,!1,r,n)}return this._column++,this._column==this._nextCellAtColumn&&this._cellIndex++,o?this.next():i}skipRow(t){this._skipRows.add(t)}_isOverEndRow(){return void 0!==this.endRow&&this._row>this.endRow}_formatOutValue(t,e,o,i=1,n=1){return{done:!1,value:{cell:t,row:this._row,column:e,isSpanned:o,rowspan:i,colspan:n,cellIndex:this._cellIndex}}}_shouldSkipRow(){const t=this._row<this.startRow,e=this._skipRows.has(this._row);return t||e}_shouldSkipColumn(){return void 0!==this.column&&this.column!=this._column}_isSpanned(t,e){if(!this._spannedCells.has(t))return!1;return this._spannedCells.get(t).has(e)}_getSpanned(t,e){return this._spannedCells.get(t).get(e)}_recordSpans(t,e,o,i,n){for(let o=e+1;o<=e+i-1;o++)this._markSpannedCell(t,o,n);for(let r=t+1;r<t+o;r++)for(let t=e;t<=e+i-1;t++)this._markSpannedCell(r,t,n)}_markSpannedCell(t,e,o){this._spannedCells.has(t)||this._spannedCells.set(t,new Map);this._spannedCells.get(t).set(e,o)}}function Am(t){return!!t.getCustomProperty("table")&&ah(t)}function Tm(t){const e=t.getSelectedElement();return e&&Am(e)?e:null}function Pm(t){const e=fm("table",t.getFirstPosition());return e&&Am(e.parent)?e.parent:null}function Sm(t){const e=[];for(const i of(o=t.getRanges(),Array.from(o).sort(Dm))){const t=i.getContainedElement();t&&t.is("tableCell")&&e.push(t)}var o;return e}function Em(t){const e=[];for(const o of t.getRanges()){const t=fm("tableCell",o.start);t&&e.push(t)}return e}function Rm(t){const e=Sm(t);return e.length?e:Em(t)}function Im(t){return Fm(t.map(t=>t.parent.index))}function Vm(t){const e=fm("table",t[0]);return Fm([...new Cm(e)].filter(e=>t.includes(e.cell)).map(t=>t.column))}function Om(t,e){if(t.length<2||!function(t){const e=fm("table",t[0]),o=Im(t),i=parseInt(e.getAttribute("headingRows")||0);if(!Lm(o,i))return!1;const n=parseInt(e.getAttribute("headingColumns")||0);return Lm(Vm(t),n)}(t))return!1;const o=new Set,i=new Set;let n=0;for(const r of t){const{row:t,column:s}=e.getCellLocation(r),a=parseInt(r.getAttribute("rowspan")||1),l=parseInt(r.getAttribute("colspan")||1);o.add(t),i.add(s),a>1&&o.add(t+a-1),l>1&&i.add(s+l-1),n+=a*l}return function(t,e){const o=Array.from(t.values()),i=Array.from(e.values()),n=Math.max(...o),r=Math.min(...o),s=Math.max(...i),a=Math.min(...i);return(n-r+1)*(s-a+1)}(o,i)==n}function Mm(t,e,o=0){const i=[],n=new Cm(t,{startRow:o,endRow:e-1});for(const t of n){const{row:o,rowspan:n}=t,r=o+n-1;o<e&&e<=r&&i.push(t)}return i}function Nm(t,e,o){const i=t.parent,n=i.parent,r=i.index,s=e-r,a={},l=parseInt(t.getAttribute("rowspan"))-s;l>1&&(a.rowspan=l);const c=parseInt(t.getAttribute("colspan")||1);c>1&&(a.colspan=c);const d=r+s,h=[...new Cm(n,{startRow:r,endRow:d,includeSpanned:!0})];let u;for(const{row:e,column:i,cell:r,cellIndex:s}of h)if(r===t&&void 0===u&&(u=i),void 0!==u&&u===i&&e===d){const t=n.getChild(e),i=o.createPositionAt(t,s);bm(o,i,a)}pm("rowspan",s,t,o)}function Bm(t,e){const o=[],i=new Cm(t);for(const t of i){const{column:i,colspan:n}=t,r=i+n-1;i<e&&e<=r&&o.push(t)}return o}function zm(t,e,o,i){const n=o-e,r={},s=parseInt(t.getAttribute("colspan"))-n;s>1&&(r.colspan=s);const a=parseInt(t.getAttribute("rowspan")||1);a>1&&(r.rowspan=a),bm(i,i.createPositionAfter(t),r),pm("colspan",n,t,i)}function Fm(t){const e=t.sort((t,e)=>t-e);return{first:e[0],last:e[e.length-1]}}function Dm(t,e){const o=t.start,i=e.start;return o.isBefore(i)?-1:1}function Lm({first:t,last:e},o){return t<o===e<o}function jm(t={}){return e=>e.on("insert:table",(e,o,i)=>{const n=o.item;if(!i.consumable.consume(n,"insert"))return;i.consumable.consume(n,"attribute:headingRows:table"),i.consumable.consume(n,"attribute:headingColumns:table");const r=t&&t.asWidget,s=i.writer.createContainerElement("figure",{class:"table"}),a=i.writer.createContainerElement("table");let l;var c,d;i.writer.insert(i.writer.createPositionAt(s,0),a),r&&(c=s,(d=i.writer).setCustomProperty("table",!0,c),l=lh(c,d,{hasSelectionHandle:!0}));const h=new Cm(n),u={headingRows:n.getAttribute("headingRows")||0,headingColumns:n.getAttribute("headingColumns")||0},g=new Map;for(const e of h){const{row:o,cell:r}=e,s=Xm(Qm(o,u),a,i),l=n.getChild(o),c=g.get(o)||Jm(l,o,s,i);g.set(o,c),i.consumable.consume(r,"insert");Km(e,u,i.writer.createPositionAt(c,"end"),i,t)}const m=i.mapper.toViewPosition(o.range.start);i.mapper.bindElements(n,r?l:s),i.writer.insert(m,r?l:s)})}function Hm(t={}){return e=>e.on("insert:tableRow",(e,o,i)=>{const n=o.item;if(!i.consumable.consume(n,"insert"))return;const r=n.parent,s=of(i.mapper.toViewElement(r)),a=r.getChildIndex(n),l=new Cm(r,{startRow:a,endRow:a}),c={headingRows:r.getAttribute("headingRows")||0,headingColumns:r.getAttribute("headingColumns")||0},d=new Map;for(const e of l){const o=Xm(Qm(a,c),s,i),r=d.get(a)||Jm(n,a,o,i);d.set(a,r),i.consumable.consume(e.cell,"insert");Km(e,c,i.writer.createPositionAt(r,"end"),i,t)}})}function Wm(t={}){return e=>e.on("insert:tableCell",(e,o,i)=>{const n=o.item;if(!i.consumable.consume(n,"insert"))return;const r=n.parent,s=r.parent,a=s.getChildIndex(r),l=new Cm(s,{startRow:a,endRow:a}),c={headingRows:s.getAttribute("headingRows")||0,headingColumns:s.getAttribute("headingColumns")||0};for(const e of l)if(e.cell===n){const o=i.mapper.toViewElement(r);return void Km(e,c,i.writer.createPositionAt(o,r.getChildIndex(n)),i,t)}})}function qm(t={}){const e=!!t.asWidget;return t=>t.on("attribute:headingRows:table",(t,o,i)=>{const n=o.item;if(!i.consumable.consume(o.item,t.name))return;const r=of(i.mapper.toViewElement(n)),s=o.attributeOldValue,a=o.attributeNewValue;if(a>s){const t=Array.from(n.getChildren()).filter(({index:t})=>l(t,s-1,a));ef(t,Xm("thead",r,i),i,"end");for(const o of t)for(const t of o.getChildren())$m(t,"th",i,e)}else{ef(Array.from(n.getChildren()).filter(({index:t})=>l(t,a-1,s)).reverse(),Xm("tbody",r,i),i,0);const t=new Cm(n,{startRow:a?a-1:a,endRow:s-1}),o={headingRows:n.getAttribute("headingRows")||0,headingColumns:n.getAttribute("headingColumns")||0};for(const n of t)Gm(n,o,i,e)}function l(t,e,o){return t>e&&t<o}tf("thead",r,i),tf("tbody",r,i)})}function Um(t={}){const e=!!t.asWidget;return t=>t.on("attribute:headingColumns:table",(t,o,i)=>{const n=o.item;if(!i.consumable.consume(o.item,t.name))return;const r={headingRows:n.getAttribute("headingRows")||0,headingColumns:n.getAttribute("headingColumns")||0},s=o.attributeOldValue,a=o.attributeNewValue,l=(s>a?s:a)-1;for(const t of new Cm(n))t.column>l||Gm(t,r,i,e)})}function $m(t,e,o,i){const n=o.writer,r=o.mapper.toViewElement(t);if(!r)return;let s;if(i){s=dh(n.createEditableElement(e,r.getAttributes()),n),n.insert(n.createPositionAfter(r),s),n.move(n.createRangeIn(r),n.createPositionAt(s,0)),n.remove(n.createRangeOn(r))}else s=n.rename(e,r);o.mapper.unbindViewElement(r),o.mapper.bindElements(t,s)}function Gm(t,e,o,i){const{cell:n}=t,r=Ym(t,e),s=o.mapper.toViewElement(n);s&&s.name!==r&&$m(n,r,o,i)}function Km(t,e,o,i,n){const r=n&&n.asWidget,s=Ym(t,e),a=r?dh(i.writer.createEditableElement(s),i.writer):i.writer.createContainerElement(s),l=t.cell,c=l.getChild(0),d=1===l.childCount&&"paragraph"===c.name;if(i.writer.insert(o,a),d&&![...c.getAttributeKeys()].length){const t=l.getChild(0),e=i.writer.createPositionAt(a,"end");if(i.consumable.consume(t,"insert"),n.asWidget){const o=i.writer.createContainerElement("span",{style:"display:inline-block"});i.mapper.bindElements(t,o),i.writer.insert(e,o),i.mapper.bindElements(l,a)}else i.mapper.bindElements(l,a),i.mapper.bindElements(t,a)}else i.mapper.bindElements(l,a)}function Jm(t,e,o,i){i.consumable.consume(t,"insert");const n=i.writer.createContainerElement("tr");i.mapper.bindElements(t,n);const r=t.parent.getAttribute("headingRows")||0,s=r>0&&e>=r?e-r:e,a=i.writer.createPositionAt(o,s);return i.writer.insert(a,n),n}function Ym(t,e){const{row:o,column:i}=t,{headingColumns:n,headingRows:r}=e;if(r&&r>o)return"th";return n&&n>i?"th":"td"}function Qm(t,e){return t<e.headingRows?"thead":"tbody"}function Xm(t,e,o){const i=Zm(t,e);return i||function(t,e,o){const i=o.writer.createContainerElement(t),n=o.writer.createPositionAt(e,"tbody"==t?"end":0);return o.writer.insert(n,i),i}(t,e,o)}function Zm(t,e){for(const o of e.getChildren())if(o.name==t)return o}function tf(t,e,o){const i=Zm(t,e);i&&0===i.childCount&&o.writer.remove(o.writer.createRangeOn(i))}function ef(t,e,o,i){for(const n of t){const t=o.mapper.toViewElement(n);t&&o.writer.move(o.writer.createRangeOn(t),o.writer.createPositionAt(e,i))}}function of(t){for(const e of t.getChildren())if("table"===e.name)return e}class nf extends _d{refresh(){const t=this.editor.model,e=t.document.selection,o=t.schema,i=function(t){const e=t.parent;return e===e.root?e:e.parent}(e.getFirstPosition());this.isEnabled=o.checkChild(i,"table")}execute(t={}){const e=this.editor.model,o=e.document.selection,i=this.editor.plugins.get("TableUtils"),n=parseInt(t.rows)||2,r=parseInt(t.columns)||2,s=hh(o,e);e.change(t=>{const o=i.createTable(t,n,r);e.insertContent(o,s),t.setSelection(t.createPositionAt(o.getNodeByPath([0,0,0]),0))})}}class rf extends _d{constructor(t,e={}){super(t),this.order=e.order||"below"}refresh(){const t=fm("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,o=t.plugins.get("TableUtils"),i="above"===this.order,n=Rm(e),r=Im(n),s=i?r.first:r.last,a=fm("table",n[0]);o.insertRows(a,{at:i?s:s+1,copyStructureFromAbove:!i})}}class sf extends _d{constructor(t,e={}){super(t),this.order=e.order||"right"}refresh(){const t=fm("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,o=t.plugins.get("TableUtils"),i="left"===this.order,n=Rm(e),r=Vm(n),s=i?r.first:r.last,a=fm("table",n[0]);o.insertColumns(a,{columns:1,at:i?s:s+1})}}class af extends _d{constructor(t,e={}){super(t),this.direction=e.direction||"horizontally"}refresh(){const t=Rm(this.editor.model.document.selection);this.isEnabled=1===t.length}execute(){const t=Rm(this.editor.model.document.selection)[0],e="horizontally"===this.direction,o=this.editor.plugins.get("TableUtils");e?o.splitCellHorizontally(t,2):o.splitCellVertically(t,2)}}class lf extends _d{constructor(t,e){super(t),this.direction=e.direction,this.isHorizontal="right"==this.direction||"left"==this.direction}refresh(){const t=this._getMergeableCell();this.value=t,this.isEnabled=!!t}execute(){const t=this.editor.model,e=Em(t.document.selection)[0],o=this.value,i=this.direction;t.change(t=>{const n="right"==i||"down"==i,r=n?e:o,s=n?o:e,a=s.parent;!function(t,e,o){cf(t)||(cf(e)&&o.remove(o.createRangeIn(e)),o.move(o.createRangeIn(t),o.createPositionAt(e,"end")));o.remove(t)}(s,r,t);const l=this.isHorizontal?"colspan":"rowspan",c=parseInt(e.getAttribute(l)||1),d=parseInt(o.getAttribute(l)||1);if(t.setAttribute(l,c+d,r),t.setSelection(t.createRangeIn(r)),!a.childCount){const e=this.editor.plugins.get("TableUtils"),o=fm("table",a);e.removeRows(o,{at:a.index,batch:t.batch})}})}_getMergeableCell(){const t=Em(this.editor.model.document.selection)[0];if(!t)return;const e=this.editor.plugins.get("TableUtils"),o=this.isHorizontal?function(t,e,o){const i=t.parent.parent,n="right"==e?t.nextSibling:t.previousSibling,r=(i.getAttribute("headingColumns")||0)>0;if(!n)return;const s="right"==e?t:n,a="right"==e?n:t,{column:l}=o.getCellLocation(s),{column:c}=o.getCellLocation(a),d=parseInt(s.getAttribute("colspan")||1),h=_m(o,s),u=_m(o,a);if(r&&h!=u)return;return l+d===c?n:void 0}(t,this.direction,e):function(t,e){const o=t.parent,i=o.parent,n=i.getChildIndex(o);if("down"==e&&n===i.childCount-1||"up"==e&&0===n)return;const r=parseInt(t.getAttribute("rowspan")||1),s=i.getAttribute("headingRows")||0,a="down"==e&&n+r===s,l="up"==e&&n===s;if(s&&(a||l))return;const c=parseInt(t.getAttribute("rowspan")||1),d="down"==e?n+c:n,h=[...new Cm(i,{endRow:d})],u=h.find(e=>e.cell===t).column,g=h.find(({row:t,rowspan:o,column:i})=>i===u&&("down"==e?t===d:d===t+o));return g&&g.cell}(t,this.direction);if(!o)return;const i=this.isHorizontal?"rowspan":"colspan",n=parseInt(t.getAttribute(i)||1);return parseInt(o.getAttribute(i)||1)===n?o:void 0}}function cf(t){return 1==t.childCount&&t.getChild(0).is("paragraph")&&t.getChild(0).isEmpty}class df extends _d{refresh(){const t=Rm(this.editor.model.document.selection),e=t[0];if(e){const o=fm("table",e),i=this.editor.plugins.get("TableUtils").getRows(o)-1,n=Im(t),r=0===n.first&&n.last===i;this.isEnabled=!r}else this.isEnabled=!1}execute(){const t=this.editor.model,e=Rm(t.document.selection),o=Im(e),i=e[0],n=fm("table",i),r=this.editor.plugins.get("TableUtils").getCellLocation(i).column,s=t.createBatch();t.enqueueChange(s,t=>{t.setSelection(t.createSelection(n,"on"));const e=o.last-o.first+1;this.editor.plugins.get("TableUtils").removeRows(n,{at:o.first,rows:e,batch:s})}),t.enqueueChange(s,t=>{const e=function(t,e,o){const i=t.getChild(e)||t.getChild(t.childCount-1);let n=i.getChild(0),r=0;for(const t of i.getChildren()){if(r>o)return n;n=t,r+=parseInt(t.getAttribute("colspan")||1)}return n}(n,o.first,r);t.setSelection(t.createPositionAt(e,0))})}}class hf extends _d{refresh(){const t=Rm(this.editor.model.document.selection),e=t[0];if(e){const o=fm("table",e),i=this.editor.plugins.get("TableUtils").getColumns(o),{first:n,last:r}=Vm(t);this.isEnabled=r-n<i-1}else this.isEnabled=!1}execute(){const[t,e]=function(t){const e=Rm(t),o=e[0],i=e.pop(),n=[o,i];return o.isBefore(i)?n:n.reverse()}(this.editor.model.document.selection),o=t.parent.parent,i=[...new Cm(o)],n={first:i.find(e=>e.cell===t).column,last:i.find(t=>t.cell===e).column},r=function(t,e,o,i){return parseInt(o.getAttribute("colspan")||1)>1?o:e.previousSibling||o.nextSibling?o.nextSibling||e.previousSibling:i.first?t.reverse().find(({column:t})=>t<i.first).cell:t.reverse().find(({column:t})=>t>i.last).cell}(i,t,e,n);this.editor.model.change(t=>{const e=n.last-n.first+1;this.editor.plugins.get("TableUtils").removeColumns(o,{at:n.first,columns:e}),t.setSelection(t.createPositionAt(r,0))})}}class uf extends _d{refresh(){const t=Rm(this.editor.model.document.selection),e=t.length>0;this.isEnabled=e,this.value=e&&t.every(t=>this._isInHeading(t,t.parent.parent))}execute(t={}){if(t.forceValue===this.value)return;const e=this.editor.model,o=Rm(e.document.selection),i=fm("table",o[0]),{first:n,last:r}=Im(o),s=this.value?n:r+1,a=i.getAttribute("headingRows")||0;e.change(t=>{if(s){const e=Mm(i,s,s>a?a:0);for(const{cell:o}of e)Nm(o,s,t)}pm("headingRows",s,i,t,0)})}_isInHeading(t,e){const o=parseInt(e.getAttribute("headingRows")||0);return!!o&&t.parent.index<o}}class gf extends _d{refresh(){const t=Rm(this.editor.model.document.selection),e=this.editor.plugins.get("TableUtils"),o=t.length>0;this.isEnabled=o,this.value=o&&t.every(t=>_m(e,t))}execute(t={}){if(t.forceValue===this.value)return;const e=this.editor.model,o=Rm(e.document.selection),i=fm("table",o[0]),{first:n,last:r}=Vm(o),s=this.value?n:r+1;e.change(t=>{if(s){const e=Bm(i,s);for(const{cell:o,column:i}of e)zm(o,i,s,t)}pm("headingColumns",s,i,t,0)})}}class mf extends Rl{static get pluginName(){return"TableUtils"}getCellLocation(t){const e=t.parent,o=e.parent,i=o.getChildIndex(e),n=new Cm(o,{startRow:i,endRow:i});for(const{cell:e,row:o,column:i}of n)if(e===t)return{row:o,column:i}}createTable(t,e,o){const i=t.createElement("table");return ff(t,i,0,e,o),i}insertRows(t,e={}){const o=this.editor.model,i=e.at||0,n=e.rows||1,r=void 0!==e.copyStructureFromAbove,s=e.copyStructureFromAbove?i-1:i,a=this.getRows(t),l=this.getColumns(t);o.change(e=>{const o=t.getAttribute("headingRows")||0;if(o>i&&e.setAttribute("headingRows",o+n,t),!r&&(0===i||i===a))return void ff(e,t,i,n,l);const c=r?Math.max(i,s):i,d=new Cm(t,{endRow:c}),h=new Array(l).fill(1);for(const{row:t,column:o,rowspan:a,colspan:l,cell:c}of d){const d=t+a-1,u=t<=s&&s<=d;t<i&&i<=d?(e.setAttribute("rowspan",a+n,c),h[o]=-l):r&&u&&(h[o]=l)}for(let o=0;o<n;o++){const o=e.createElement("tableRow");e.insert(o,t,i);for(let t=0;t<h.length;t++){const i=h[t],n=e.createPositionAt(o,"end");i>0&&bm(e,n,i>1?{colspan:i}:null),t+=Math.abs(i)-1}}})}insertColumns(t,e={}){const o=this.editor.model,i=e.at||0,n=e.columns||1;o.change(e=>{const o=t.getAttribute("headingColumns");i<o&&e.setAttribute("headingColumns",o+n,t);const r=this.getColumns(t);if(0===i||r===i){for(const o of t.getChildren())pf(n,e,e.createPositionAt(o,i?"end":0));return}const s=new Cm(t,{column:i,includeSpanned:!0});for(const{row:o,cell:r,cellIndex:a}of s){const l=parseInt(r.getAttribute("rowspan")||1),c=parseInt(r.getAttribute("colspan")||1);if(a!==i&&c>1){if(e.setAttribute("colspan",c+n,r),s.skipRow(o),l>1)for(let t=o+1;t<o+l;t++)s.skipRow(t)}else{const i=e.createPositionAt(t.getChild(o),a);pf(n,e,i)}}})}removeRows(t,e){const o=this.editor.model,i=e.rows||1,n=e.at,r=n+i-1,s=e.batch||"default";o.enqueueChange(s,e=>{const{cellsToMove:i,cellsToTrim:a}=function(t,e,o){const i=new Map,n=[];for(const{row:r,column:s,rowspan:a,cell:l}of new Cm(t,{endRow:o})){const t=r+a-1;if(r>=e&&r<=o&&t>o){const t=a-(o-r+1);i.set(s,{cell:l,rowspan:t})}if(r<e&&t>=e){let i;i=t>=o?o-e+1:t-e+1,n.push({cell:l,rowspan:a-i})}}return{cellsToMove:i,cellsToTrim:n}}(t,n,r);if(i.size){!function(t,e,o,i){const n=[...new Cm(t,{includeSpanned:!0,startRow:e,endRow:e})],r=t.getChild(e);let s;for(const{column:t,cell:e,isSpanned:a}of n)if(o.has(t)){const{cell:e,rowspan:n}=o.get(t),a=s?i.createPositionAfter(s):i.createPositionAt(r,0);i.move(i.createRangeOn(e),a),pm("rowspan",n,e,i),s=e}else a||(s=e)}(t,r+1,i,e)}for(let o=r;o>=n;o--)e.remove(t.getChild(o));for(const{rowspan:t,cell:o}of a)pm("rowspan",t,o,e);!function(t,e,o,i,n){i.enqueueChange(n,i=>{const n=t.getAttribute("headingRows")||0;if(e<n){pm("headingRows",o<n?n-(o-e+1):e,t,i,0)}})}(t,n,r,o,s)})}removeColumns(t,e){const o=this.editor.model,i=e.at,n=e.columns||1,r=e.at+n-1;o.change(e=>{!function(t,e,o){const i=t.getAttribute("headingColumns")||0;if(i&&e.first<i){const n=Math.min(i-1,e.last)-e.first+1;o.setAttribute("headingColumns",i-n,t)}}(t,{first:i,last:r},e);const o=[];for(let n=r;n>=i;n--)for(const{cell:i,column:r,colspan:s}of[...new Cm(t)])if(r<=n&&s>1&&r+s>n)pm("colspan",s-1,i,e);else if(r===n){const t=i.parent;e.remove(i),t.childCount||o.push(t.index)}o.reverse().forEach(o=>this.removeRows(t,{at:o,batch:e.batch}))})}splitCellVertically(t,e=2){const o=this.editor.model,i=t.parent.parent,n=parseInt(t.getAttribute("rowspan")||1),r=parseInt(t.getAttribute("colspan")||1);o.change(o=>{if(r>1){const{newCellsSpan:i,updatedSpan:s}=bf(r,e);pm("colspan",s,t,o);const a={};i>1&&(a.colspan=i),n>1&&(a.rowspan=n);pf(r>e?e-1:r-1,o,o.createPositionAfter(t),a)}if(r<e){const s=e-r,a=[...new Cm(i)],{column:l}=a.find(({cell:e})=>e===t),c=a.filter(({cell:e,colspan:o,column:i})=>e!==t&&i===l||i<l&&i+o>l);for(const{cell:t,colspan:e}of c)o.setAttribute("colspan",e+s,t);const d={};n>1&&(d.rowspan=n),pf(s,o,o.createPositionAfter(t),d);const h=i.getAttribute("headingColumns")||0;h>l&&pm("headingColumns",h+s,i,o)}})}splitCellHorizontally(t,e=2){const o=this.editor.model,i=t.parent,n=i.parent,r=n.getChildIndex(i),s=parseInt(t.getAttribute("rowspan")||1),a=parseInt(t.getAttribute("colspan")||1);o.change(o=>{if(s>1){const i=[...new Cm(n,{startRow:r,endRow:r+s-1,includeSpanned:!0})],{newCellsSpan:l,updatedSpan:c}=bf(s,e);pm("rowspan",c,t,o);const{column:d}=i.find(({cell:e})=>e===t),h={};l>1&&(h.rowspan=l),a>1&&(h.colspan=a);for(const{column:t,row:e,cellIndex:s}of i){const i=t===d,a=(e+r+c)%l==0;if(e>=r+c&&i&&a){const t=o.createPositionAt(n.getChild(e),s);pf(1,o,t,h)}}}if(s<e){const i=e-s,l=[...new Cm(n,{startRow:0,endRow:r})];for(const{cell:e,rowspan:n,row:s}of l)if(e!==t&&s+n>r){const t=n+i;o.setAttribute("rowspan",t,e)}const c={};a>1&&(c.colspan=a),ff(o,n,r+1,i,1,c);const d=n.getAttribute("headingRows")||0;d>r&&pm("headingRows",d+i,n,o)}})}getColumns(t){return[...t.getChild(0).getChildren()].reduce((t,e)=>t+parseInt(e.getAttribute("colspan")||1),0)}getRows(t){return t.childCount}}function ff(t,e,o,i,n,r={}){for(let s=0;s<i;s++){const i=t.createElement("tableRow");t.insert(i,e,o),pf(n,t,t.createPositionAt(i,"end"),r)}}function pf(t,e,o,i={}){for(let n=0;n<t;n++)bm(e,o,i)}function bf(t,e){if(t<e)return{newCellsSpan:1,updatedSpan:1};const o=Math.floor(t/e);return{newCellsSpan:o,updatedSpan:t-o*e+o}}class wf extends _d{refresh(){const t=Sm(this.editor.model.document.selection);this.isEnabled=Om(t,this.editor.plugins.get(mf))}execute(){const t=this.editor.model,e=this.editor.plugins.get(mf);t.change(o=>{const i=Sm(t.document.selection),n=i.shift();o.setSelection(n,0);const{mergeWidth:r,mergeHeight:s}=function(t,e,o){let i=0,n=0;for(const t of e){const{row:e,column:r}=o.getCellLocation(t);i=vf(t,r,i,"colspan"),n=vf(t,e,n,"rowspan")}const{row:r,column:s}=o.getCellLocation(t);return{mergeWidth:i-s,mergeHeight:n-r}}(n,i,e);pm("colspan",r,n,o),pm("rowspan",s,n,o);const a=[];for(const t of i){const e=t.parent;kf(t,n,o),e.childCount||a.push(e.index)}if(a.length){const t=fm("table",n);a.reverse().forEach(i=>e.removeRows(t,{at:i,batch:o.batch}))}o.setSelection(n,"in")})}}function kf(t,e,o){_f(t)||(_f(e)&&o.remove(o.createRangeIn(e)),o.move(o.createRangeIn(t),o.createPositionAt(e,"end"))),o.remove(t)}function _f(t){return 1==t.childCount&&t.getChild(0).is("paragraph")&&t.getChild(0).isEmpty}function vf(t,e,o,i){const n=parseInt(t.getAttribute(i)||1);return Math.max(o,e+n)}class yf extends _d{refresh(){const t=Rm(this.editor.model.document.selection);this.isEnabled=t.length>0}execute(){const t=this.editor.model,e=Rm(t.document.selection),o=Im(e),i=fm("table",e[0]),n=[];for(let e=o.first;e<=o.last;e++)for(const o of i.getChild(e).getChildren())n.push(t.createRangeOn(o));t.change(t=>{t.setSelection(n)})}}class xf extends _d{refresh(){const t=Rm(this.editor.model.document.selection);this.isEnabled=t.length>0}execute(){const t=this.editor.model,e=Rm(t.document.selection),o=e[0],i=e.pop(),n=this.editor.plugins.get("TableUtils"),r=n.getCellLocation(o),s=n.getCellLocation(i),a=Math.min(r.column,s.column),l=Math.max(r.column,s.column),c=[];for(const e of new Cm(fm("table",o)))e.column>=a&&e.column<=l&&c.push(t.createRangeOn(e.cell));t.change(t=>{t.setSelection(c)})}}function Cf(t){t.document.registerPostFixer(e=>function(t,e){const o=e.document.differ.getChanges();let i=!1;const n=new Set;for(const e of o){let o;"table"==e.name&&"insert"==e.type&&(o=e.position.nodeAfter),"tableRow"!=e.name&&"tableCell"!=e.name||(o=fm("table",e.position)),Pf(e)&&(o=fm("table",e.range.start)),o&&!n.has(o)&&(i=Af(o,t)||i,i=Tf(o,t)||i,n.add(o))}return i}(e,t))}function Af(t,e){let o=!1;const i=function(t){const e=parseInt(t.getAttribute("headingRows")||0),o=t.childCount,i=[];for(const{row:n,rowspan:r,cell:s}of new Cm(t)){if(r<2)continue;const t=n<e?e:o;if(n+r>t){const e=t-n;i.push({cell:s,rowspan:e})}}return i}(t);if(i.length){o=!0;for(const t of i)pm("rowspan",t.rowspan,t.cell,e,1)}return o}function Tf(t,e){let o=!1;const i=function(t){const e=new Array(t.childCount).fill(0);for(const{row:o}of new Cm(t,{includeSpanned:!0}))e[o]++;return e}(t),n=[];for(const[t,e]of i.entries())e||n.push(t);if(n.length){o=!0;for(const o of n.reverse())e.remove(t.getChild(o)),i.splice(o,1)}const r=i[0];if(!i.every(t=>t===r)){const n=i.reduce((t,e)=>e>t?e:t,0);for(const[r,s]of i.entries()){const i=n-s;if(i){for(let o=0;o<i;o++)bm(e,e.createPositionAt(t.getChild(r),"end"));o=!0}}}return o}function Pf(t){const e="attribute"===t.type,o=t.attributeKey;return e&&("headingRows"===o||"colspan"===o||"rowspan"===o)}function Sf(t){t.document.registerPostFixer(e=>function(t,e){const o=e.document.differ.getChanges();let i=!1;for(const e of o)"insert"==e.type&&"table"==e.name&&(i=Ef(e.position.nodeAfter,t)||i),"insert"==e.type&&"tableRow"==e.name&&(i=Rf(e.position.nodeAfter,t)||i),"insert"==e.type&&"tableCell"==e.name&&(i=If(e.position.nodeAfter,t)||i),Vf(e)&&(i=If(e.position.parent,t)||i);return i}(e,t))}function Ef(t,e){let o=!1;for(const i of t.getChildren())o=Rf(i,e)||o;return o}function Rf(t,e){let o=!1;for(const i of t.getChildren())o=If(i,e)||o;return o}function If(t,e){if(0==t.childCount)return e.insertElement("paragraph",t),!0;const o=Array.from(t.getChildren()).filter(t=>t.is("text"));for(const t of o)e.wrap(e.createRangeOn(t),"paragraph");return!!o.length}function Vf(t){return!(!t.position||!t.position.parent.is("tableCell"))&&("insert"==t.type&&"$text"==t.name||"remove"==t.type)}function Of(t){t.document.registerPostFixer(()=>function(t){const e=t.document.differ,o=new Set;let i=0;for(const t of e.getChanges()){const e="insert"==t.type||"remove"==t.type?t.position.parent:t.range.start.parent;e.is("tableCell")&&("insert"==t.type&&i++,Mf(e,t.type,i)&&o.add(e))}if(o.size){for(const t of o.values())e.refreshItem(t);return!0}return!1}(t))}function Mf(t,e,o){if(!Array.from(t.getChildren()).some(t=>t.is("paragraph")))return!1;if("attribute"==e){const e=Array.from(t.getChild(0).getAttributeKeys()).length;return 1===t.childCount&&e<2}return t.childCount<=("insert"==e?o+1:1)}o(86);class Nf extends Rl{static get pluginName(){return"TableEditing"}init(){const t=this.editor,e=t.model,o=e.schema,i=t.conversion;o.register("table",{allowWhere:"$block",allowAttributes:["headingRows","headingColumns"],isLimit:!0,isObject:!0,isBlock:!0}),o.register("tableRow",{allowIn:"table",isLimit:!0}),o.register("tableCell",{allowIn:"tableRow",allowAttributes:["colspan","rowspan"],isObject:!0}),o.extend("$block",{allowIn:"tableCell"}),o.addChildCheck((t,e)=>{if("table"==e.name&&Array.from(t.getNames()).includes("table"))return!1}),i.for("upcast").add(vm()),i.for("editingDowncast").add(jm({asWidget:!0})),i.for("dataDowncast").add(jm()),i.for("upcast").elementToElement({model:"tableRow",view:"tr"}),i.for("upcast").add(t=>{t.on("element:tr",(t,e)=>{e.viewItem.isEmpty&&t.stop()},{priority:"high"})}),i.for("editingDowncast").add(Hm({asWidget:!0})),i.for("dataDowncast").add(Hm()),i.for("downcast").add(t=>t.on("remove:tableRow",(t,e,o)=>{t.stop();const i=o.writer,n=o.mapper,r=n.toViewPosition(e.position).getLastMatchingPosition(t=>!t.item.is("tr")).nodeAfter,s=r.parent.parent,a=i.createRangeOn(r),l=i.remove(a);for(const t of i.createRangeIn(l).getItems())n.unbindViewElement(t);tf("thead",s,o),tf("tbody",s,o)},{priority:"higher"})),i.for("upcast").add(ym("td")),i.for("upcast").add(ym("th")),i.for("editingDowncast").add(Wm({asWidget:!0})),i.for("dataDowncast").add(Wm()),i.attributeToAttribute({model:"colspan",view:"colspan"}),i.attributeToAttribute({model:"rowspan",view:"rowspan"}),i.for("editingDowncast").add(Um({asWidget:!0})),i.for("dataDowncast").add(Um()),i.for("editingDowncast").add(qm({asWidget:!0})),i.for("dataDowncast").add(qm()),t.commands.add("insertTable",new nf(t)),t.commands.add("insertTableRowAbove",new rf(t,{order:"above"})),t.commands.add("insertTableRowBelow",new rf(t,{order:"below"})),t.commands.add("insertTableColumnLeft",new sf(t,{order:"left"})),t.commands.add("insertTableColumnRight",new sf(t,{order:"right"})),t.commands.add("removeTableRow",new df(t)),t.commands.add("removeTableColumn",new hf(t)),t.commands.add("splitTableCellVertically",new af(t,{direction:"vertically"})),t.commands.add("splitTableCellHorizontally",new af(t,{direction:"horizontally"})),t.commands.add("mergeTableCells",new wf(t)),t.commands.add("mergeTableCellRight",new lf(t,{direction:"right"})),t.commands.add("mergeTableCellLeft",new lf(t,{direction:"left"})),t.commands.add("mergeTableCellDown",new lf(t,{direction:"down"})),t.commands.add("mergeTableCellUp",new lf(t,{direction:"up"})),t.commands.add("setTableColumnHeader",new gf(t)),t.commands.add("setTableRowHeader",new uf(t)),t.commands.add("selectTableRow",new yf(t)),t.commands.add("selectTableColumn",new xf(t)),Cf(e),Of(e),Sf(e)}static get requires(){return[mf]}}o(88);class Bf extends Xl{constructor(t){super(t);const e=this.bindTemplate;this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isToggleable",!1),this.set("isVisible",!0),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.children=this.createCollection(),this.actionView=this._createActionView(),this.arrowView=this._createArrowView(),this.keystrokes=new Al,this.focusTracker=new gc,this.setTemplate({tag:"div",attributes:{class:["ck","ck-splitbutton",e.if("isVisible","ck-hidden",t=>!t),this.arrowView.bindTemplate.if("isOn","ck-splitbutton_open")]},children:this.children})}render(){super.render(),this.children.add(this.actionView),this.children.add(this.arrowView),this.focusTracker.add(this.actionView.element),this.focusTracker.add(this.arrowView.element),this.keystrokes.listenTo(this.element),this.keystrokes.set("arrowright",(t,e)=>{this.focusTracker.focusedElement===this.actionView.element&&(this.arrowView.focus(),e())}),this.keystrokes.set("arrowleft",(t,e)=>{this.focusTracker.focusedElement===this.arrowView.element&&(this.actionView.focus(),e())})}focus(){this.actionView.focus()}_createActionView(){const t=new uc;return t.bind("icon","isEnabled","isOn","isToggleable","keystroke","label","tabindex","tooltip","tooltipPosition","type","withText").to(this),t.extendTemplate({attributes:{class:"ck-splitbutton__action"}}),t.delegate("execute").to(this),t}_createArrowView(){const t=new uc,e=t.bindTemplate;return t.icon=Ac,t.extendTemplate({attributes:{class:"ck-splitbutton__arrow","aria-haspopup":!0,"aria-expanded":e.to("isOn",t=>String(t))}}),t.bind("isEnabled").to(this),t.delegate("execute").to(this,"open"),t}}o(90);class zf extends Xl{constructor(t){super(t);const e=this.bindTemplate;this.items=this._createGridCollection(),this.set("rows",0),this.set("columns",0),this.bind("label").to(this,"columns",this,"rows",(t,e)=>`${e} × ${t}`),this.setTemplate({tag:"div",attributes:{class:["ck"]},children:[{tag:"div",attributes:{class:["ck-insert-table-dropdown__grid"]},on:{"mouseover@.ck-insert-table-dropdown-grid-box":e.to("boxover")},children:this.items},{tag:"div",attributes:{class:["ck-insert-table-dropdown__label"]},children:[{text:e.to("label")}]}],on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(()=>{this.fire("execute")})}}),this.on("boxover",(t,e)=>{const{row:o,column:i}=e.target.dataset;this.set({rows:parseInt(o),columns:parseInt(i)})}),this.on("change:columns",()=>{this._highlightGridBoxes()}),this.on("change:rows",()=>{this._highlightGridBoxes()})}focus(){}focusLast(){}_highlightGridBoxes(){const t=this.rows,e=this.columns;this.items.map((o,i)=>{const n=Math.floor(i/10)<t&&i%10<e;o.set("isOn",n)})}_createGridCollection(){const t=[];for(let e=0;e<100;e++){const o=Math.floor(e/10),i=e%10;t.push(new Ff(this.locale,o+1,i+1))}return this.createCollection(t)}}class Ff extends Xl{constructor(t,e,o){super(t);const i=this.bindTemplate;this.set("isOn",!1),this.setTemplate({tag:"div",attributes:{class:["ck-insert-table-dropdown-grid-box",i.if("isOn","ck-on")],"data-row":e,"data-column":o}})}}class Df extends Rl{init(){const t=this.editor,e=this.editor.t,o="ltr"===t.locale.contentLanguageDirection;t.ui.componentFactory.add("insertTable",o=>{const i=t.commands.get("insertTable"),n=Vc(o);let r;return n.bind("isEnabled").to(i),n.buttonView.set({icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 6v3h4V6H3zm0 4v3h4v-3H3zm0 4v3h4v-3H3zm5 3h4v-3H8v3zm5 0h4v-3h-4v3zm4-4v-3h-4v3h4zm0-4V6h-4v3h4zm1.5 8a1.5 1.5 0 0 1-1.5 1.5H3A1.5 1.5 0 0 1 1.5 17V4c.222-.863 1.068-1.5 2-1.5h13c.932 0 1.778.637 2 1.5v13zM12 13v-3H8v3h4zm0-4V6H8v3h4z"/></svg>',label:e("Insert table"),tooltip:!0}),n.on("change:isOpen",()=>{r||(r=new zf(o),n.panelView.children.add(r),r.delegate("execute").to(n),n.buttonView.on("open",()=>{r.rows=0,r.columns=0}),n.on("execute",()=>{t.execute("insertTable",{rows:r.rows,columns:r.columns}),t.editing.view.focus()}))}),n}),t.ui.componentFactory.add("tableColumn",t=>{const i=[{type:"switchbutton",model:{commandName:"setTableColumnHeader",label:e("Header column"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:o?"insertTableColumnLeft":"insertTableColumnRight",label:e("Insert column left")}},{type:"button",model:{commandName:o?"insertTableColumnRight":"insertTableColumnLeft",label:e("Insert column right")}},{type:"button",model:{commandName:"removeTableColumn",label:e("Delete column")}},{type:"button",model:{commandName:"selectTableColumn",label:e("Select column")}}];return this._prepareDropdown(e("Column"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M18 7v1H2V7h16zm0 5v1H2v-1h16z" opacity=".6"/><path d="M14 1v18a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V1a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1zm-2 1H8v4h4V2zm0 6H8v4h4V8zm0 6H8v4h4v-4z"/></svg>',i,t)}),t.ui.componentFactory.add("tableRow",t=>{const o=[{type:"switchbutton",model:{commandName:"setTableRowHeader",label:e("Header row"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableRowAbove",label:e("Insert row above")}},{type:"button",model:{commandName:"insertTableRowBelow",label:e("Insert row below")}},{type:"button",model:{commandName:"removeTableRow",label:e("Delete row")}},{type:"button",model:{commandName:"selectTableRow",label:e("Select row")}}];return this._prepareDropdown(e("Row"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v16h-1V2z" opacity=".6"/><path d="M1 6h18a1 1 0 0 1 1 1v6a1 1 0 0 1-1 1H1a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm1 2v4h4V8H2zm6 0v4h4V8H8zm6 0v4h4V8h-4z"/></svg>',o,t)}),t.ui.componentFactory.add("mergeTableCells",t=>{const i=[{type:"button",model:{commandName:"mergeTableCellUp",label:e("Merge cell up")}},{type:"button",model:{commandName:o?"mergeTableCellRight":"mergeTableCellLeft",label:e("Merge cell right")}},{type:"button",model:{commandName:"mergeTableCellDown",label:e("Merge cell down")}},{type:"button",model:{commandName:o?"mergeTableCellLeft":"mergeTableCellRight",label:e("Merge cell left")}},{type:"separator"},{type:"button",model:{commandName:"splitTableCellVertically",label:e("Split cell vertically")}},{type:"button",model:{commandName:"splitTableCellHorizontally",label:e("Split cell horizontally")}}];return this._prepareMergeSplitButtonDropdown(e("Merge cells"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v7h-1V2zm6 5v1H2V7h16zM8 12v1H2v-1h6z" opacity=".6"/><path d="M7 7h12a1 1 0 0 1 1 1v11a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V8a1 1 0 0 1 1-1zm1 2v9h10V9H8z"/></svg>',i,t)})}_prepareDropdown(t,e,o,i){const n=this.editor,r=Vc(i),s=this._fillDropdownWithListOptions(r,o);return r.buttonView.set({label:t,icon:e,tooltip:!0}),r.bind("isEnabled").toMany(s,"isEnabled",(...t)=>t.some(t=>t)),this.listenTo(r,"execute",t=>{n.execute(t.source.commandName),n.editing.view.focus()}),r}_prepareMergeSplitButtonDropdown(t,e,o,i){const n=this.editor,r=Vc(i,Bf);return this._fillDropdownWithListOptions(r,o),r.buttonView.set({label:t,icon:e,tooltip:!0,isEnabled:!0}),this.listenTo(r.buttonView,"execute",()=>{n.execute("mergeTableCells"),n.editing.view.focus()}),this.listenTo(r,"execute",t=>{n.execute(t.source.commandName),n.editing.view.focus()}),r}_fillDropdownWithListOptions(t,e){const o=this.editor,i=[],n=new Ao;for(const t of e)Lf(t,o,i,n);return Oc(t,n,o.ui.componentFactory),i}}function Lf(t,e,o,i){const n=t.model=new Zd(t.model),{commandName:r,bindIsOn:s}=t.model;if("button"===t.type||"switchbutton"===t.type){const t=e.commands.get(r);o.push(t),n.set({commandName:r}),n.bind("isEnabled").to(t),s&&n.bind("isOn").to(t,"value")}n.set({withText:!0}),i.add(t)}class jf extends Or{constructor(t){super(t),this.domEventType=["mousemove","mouseup","mouseleave"]}onDomEvent(t){this.fire(t.type,t)}}function Hf(t,e,o,i){const{startRow:n,startColumn:r,endRow:s,endColumn:a}=e,l=o.createElement("table"),c=s-n+1;for(let t=0;t<c;t++)o.insertElement("tableRow",l,"end");const d=[...new Cm(t,{startRow:n,endRow:s,includeSpanned:!0})];for(const{row:t,column:e,cell:c,isSpanned:h}of d){if(e<r||e>a)continue;const d=t-n,u=l.getChild(d);if(h){const{row:t,column:e}=i.getCellLocation(c);(t<n||e<r)&&bm(o,o.createPositionAt(u,"end"))}else{const i=c._clone(!0);o.append(i,u),Wf(i,t,e,s,a,o)}}return function(t,e,o,i,n){const r=parseInt(e.getAttribute("headingRows")||0);if(r>0){pm("headingRows",r-o,t,n,0)}const s=parseInt(e.getAttribute("headingColumns")||0);if(s>0){pm("headingColumns",s-i,t,n,0)}}(l,t,n,r,o),l}function Wf(t,e,o,i,n,r){const s=parseInt(t.getAttribute("colspan")||1),a=parseInt(t.getAttribute("rowspan")||1);if(o+s-1>n){pm("colspan",n-o+1,t,r,1)}if(e+a-1>i){pm("rowspan",i-e+1,t,r,1)}}o(92);class qf extends Rl{static get pluginName(){return"TableSelection"}static get requires(){return[mf]}init(){const t=this.editor,e=t.model;this.listenTo(e,"deleteContent",(t,e)=>this._handleDeleteContent(t,e),{priority:"high"}),t.editing.view.addObserver(jf),this._defineSelectionConverter(),this._enableShiftClickSelection(),this._enableMouseDragSelection(),this._enablePluginDisabling()}getSelectedTableCells(){const t=Sm(this.editor.model.document.selection);return 0==t.length?null:t}getSelectionAsFragment(){const t=this.getSelectedTableCells();return t?this.editor.model.change(e=>{const o=e.createDocumentFragment(),{first:i,last:n}=Vm(t),{first:r,last:s}=Im(t),a=Hf(fm("table",t[0]),{startRow:r,startColumn:i,endRow:s,endColumn:n},e,this.editor.plugins.get("TableUtils"));return e.insert(a,o,0),o}):null}setCellSelection(t,e){const o=this._getCellsToSelect(t,e);this.editor.model.change(t=>{t.setSelection(o.cells.map(e=>t.createRangeOn(e)),{backward:o.backward})})}getFocusCell(){const t=[...this.editor.model.document.selection.getRanges()].pop().getContainedElement();return t&&t.is("tableCell")?t:null}getAnchorCell(){const t=zd(this.editor.model.document.selection.getRanges()).getContainedElement();return t&&t.is("tableCell")?t:null}_defineSelectionConverter(){const t=this.editor,e=new Set;t.conversion.for("editingDowncast").add(t=>t.on("selection",(t,o,i)=>{const n=i.writer;!function(t){for(const o of e)t.removeClass("ck-editor__editable_selected",o);e.clear()}(n);const r=this.getSelectedTableCells();if(!r)return;for(const t of r){const o=i.mapper.toViewElement(t);n.addClass("ck-editor__editable_selected",o),e.add(o)}const s=i.mapper.toViewElement(r[r.length-1]);n.setSelection(s,0)},{priority:"lowest"}))}_enableShiftClickSelection(){const t=this.editor;let e=!1;this.listenTo(t.editing.view.document,"mousedown",(o,i)=>{if(!this.isEnabled)return;if(!i.domEvent.shiftKey)return;const n=this.getAnchorCell()||Em(t.model.document.selection)[0];if(!n)return;const r=this._getModelTableCellFromDomEvent(i);r&&Uf(n,r)&&(e=!0,this.setCellSelection(n,r),i.preventDefault())}),this.listenTo(t.editing.view.document,"mouseup",()=>{e=!1}),this.listenTo(t.editing.view.document,"selectionChange",t=>{e&&t.stop()},{priority:"highest"})}_enableMouseDragSelection(){const t=this.editor;let e,o,i=!1,n=!1;this.listenTo(t.editing.view.document,"mousedown",(t,o)=>{this.isEnabled&&(o.domEvent.shiftKey||o.domEvent.ctrlKey||o.domEvent.altKey||(e=this._getModelTableCellFromDomEvent(o)))}),this.listenTo(t.editing.view.document,"mousemove",(t,r)=>{if(!r.domEvent.buttons)return;if(!e)return;const s=this._getModelTableCellFromDomEvent(r);s&&Uf(e,s)&&(o=s,i||o==e||(i=!0)),i&&(n=!0,this.setCellSelection(e,o),r.preventDefault())}),this.listenTo(t.editing.view.document,"mouseup",()=>{i=!1,n=!1,e=null,o=null}),this.listenTo(t.editing.view.document,"selectionChange",t=>{n&&t.stop()},{priority:"highest"})}_enablePluginDisabling(){const t=this.editor;this.on("change:isEnabled",()=>{if(!this.isEnabled){const e=this.getSelectedTableCells();if(!e)return;t.model.change(o=>{const i=o.createPositionAt(e[0],0),n=t.model.schema.getNearestSelectionRange(i);o.setSelection(n)})}})}_handleDeleteContent(t,e){const[o,i]=e,n=this.editor.model,r=!i||"backward"==i.direction,s=Sm(o);s.length&&(t.stop(),n.change(t=>{const e=s[r?s.length-1:0];n.change(t=>{for(const e of s)n.deleteContent(t.createSelection(e,"in"))});const i=n.schema.getNearestSelectionRange(t.createPositionAt(e,0));o.is("documentSelection")?t.setSelection(i):o.setTo(i)}))}_getModelTableCellFromDomEvent(t){const e=t.target,o=this.editor.editing.view.createPositionAt(e,0),i=this.editor.editing.mapper.toModelPosition(o).parent;return i.is("tableCell")?i:fm("tableCell",i)}_getCellsToSelect(t,e){const o=this.editor.plugins.get("TableUtils"),i=o.getCellLocation(t),n=o.getCellLocation(e),r=Math.min(i.row,n.row),s=Math.max(i.row,n.row),a=Math.min(i.column,n.column),l=Math.max(i.column,n.column),c=new Array(s-r+1).fill(null).map(()=>[]);for(const e of new Cm(fm("table",t),{startRow:r,endRow:s}))e.column>=a&&e.column<=l&&c[e.row-r].push(e.cell);const d=n.row<i.row,h=n.column<i.column;return d&&c.reverse(),h&&c.forEach(t=>t.reverse()),{cells:c.flat(),backward:d||h}}}function Uf(t,e){return t.parent.parent==e.parent.parent}class $f extends Rl{static get pluginName(){return"TableClipboard"}static get requires(){return[qf,mf]}init(){const t=this.editor,e=t.editing.view.document;this.listenTo(e,"copy",(t,e)=>this._onCopyCut(t,e)),this.listenTo(e,"cut",(t,e)=>this._onCopyCut(t,e)),this.listenTo(t.model,"insertContent",(t,e)=>this._onInsertContent(t,...e),{priority:"high"})}_onCopyCut(t,e){const o=this.editor.plugins.get(qf);if(!o.getSelectedTableCells())return;if("cut"==t.name&&this.editor.isReadOnly)return;e.preventDefault(),t.stop();const i=this.editor.data,n=this.editor.editing.view.document,r=i.toView(o.getSelectionAsFragment());n.fire("clipboardOutput",{dataTransfer:e.dataTransfer,content:r,method:t.name})}_onInsertContent(t,e,o){if(o&&!o.is("documentSelection"))return;const i=this.editor.model,n=this.editor.plugins.get(mf),r=Rm(i.document.selection);if(!r.length)return;let s=function(t){if(t.is("table"))return t;if(1!=t.childCount||!t.getChild(0).is("table"))return null;return t.getChild(0)}(e);s&&(t.stop(),i.change(t=>{const e=Vm(r),o=Im(r);let{first:i,last:a}=e,{first:l,last:c}=o;const d=n.getRows(s),h=n.getColumns(s),u=fm("table",r[0]),g=1===r.length;if(g&&(c+=d-1,a+=h-1,function(t,e,o,i,n){const r=n.getColumns(t),s=n.getRows(t);o>r&&n.insertColumns(t,{batch:i.batch,at:r,columns:o-r});e>s&&n.insertRows(t,{batch:i.batch,at:s,rows:e-s})}(u,c+1,a+1,t,n)),g||!Om(r,n)){!function(t,e,o){const{firstRow:i,lastRow:n,firstColumn:r,lastColumn:s}=e,a={first:i,last:n},l={first:r,last:s};Kf(t,r,a,o),Kf(t,s+1,a,o),Gf(t,i,l,o),Gf(t,n+1,l,o,i)}(u,{firstRow:l,lastRow:c,firstColumn:i,lastColumn:a},t)}else c=function(t,e,o){const i=new Cm(t,{startRow:e.last,endRow:e.last}),n=Array.from(i).filter(({column:t})=>o.first<=t&&t<=o.last);if(n.every(({rowspan:t})=>1===t))return e.last;const r=n[0].rowspan-1;return e.last+r}(u,o,e),a=function(t,e,o){const i=Array.from(new Cm(t,{startRow:e.first,endRow:e.last,column:o.last}));if(i.every(({colspan:t})=>1===t))return o.last;const n=i[0].colspan-1;return o.last+n}(u,o,e);const m=c-l+1,f=a-i+1,p={startRow:0,startColumn:0,endRow:Math.min(m-1,d-1),endColumn:Math.min(f-1,h-1)};s=Hf(s,p,t,n);!function(t,e,o,i,n){const{firstColumnOfSelection:r,lastColumnOfSelection:s,firstRowOfSelection:a,lastRowOfSelection:l}=i,{width:c,height:d}=e,h=function(t,e,o){const i=new Array(o).fill(null).map(()=>new Array(e).fill(null));for(const{column:e,row:o,cell:n}of new Cm(t))i[o][e]=n;return i}(t,c,d),u=[...new Cm(o,{startRow:a,endRow:l,includeSpanned:!0})],g=[];let m;for(const{row:t,column:e,cell:i,isSpanned:f}of u){if(0===e&&(m=null),e<r||e>s){f||(m=i);continue}f||n.remove(i);const u=e-r,p=h[(t-a)%d][u%c];if(!p)continue;const b=p._clone(!0);let w;Wf(b,t,e,l,s,n),w=m?n.createPositionAfter(m):n.createPositionAt(o.getChild(t),0),n.insert(b,w),g.push(b),m=b}n.setSelection(g.map(t=>n.createRangeOn(t)))}(s,{width:h,height:d},u,{firstColumnOfSelection:i,firstRowOfSelection:l,lastColumnOfSelection:a,lastRowOfSelection:c},t)}))}}function Gf(t,e,o,i,n=0){if(e<1)return;const r=Mm(t,e,n).filter(({column:t,colspan:e})=>Jf(t,e,o));for(const{cell:t}of r)Nm(t,e,i)}function Kf(t,e,o,i){if(e<1)return;const n=Bm(t,e).filter(({row:t,rowspan:e})=>Jf(t,e,o));for(const{cell:t,column:o}of n)zm(t,o,e,i)}function Jf(t,e,o){const i=t+e-1,{first:n,last:r}=o;return t>=n&&t<=r||t<n&&i>=n}class Yf extends Rl{static get pluginName(){return"TableNavigation"}static get requires(){return[qf]}init(){const t=this.editor.editing.view.document;this.editor.keystrokes.set("Tab",(...t)=>this._handleTabOnSelectedTable(...t),{priority:"low"}),this.editor.keystrokes.set("Tab",this._getTabHandler(!0),{priority:"low"}),this.editor.keystrokes.set("Shift+Tab",this._getTabHandler(!1),{priority:"low"}),this.listenTo(t,"keydown",(...t)=>this._onKeydown(...t),{priority:uo.get("high")+1})}_handleTabOnSelectedTable(t,e){const o=this.editor,i=o.model.document.selection;if(!i.isCollapsed&&1===i.rangeCount&&i.getFirstRange().isFlat){const t=i.getSelectedElement();if(!t||!t.is("table"))return;e(),o.model.change(e=>{e.setSelection(e.createRangeIn(t.getChild(0).getChild(0)))})}}_getTabHandler(t){const e=this.editor;return(o,i)=>{const n=Em(e.model.document.selection)[0];if(!n)return;i();const r=n.parent,s=r.parent,a=s.getChildIndex(r),l=r.getChildIndex(n),c=0===l;if(!t&&c&&0===a)return;const d=l===r.childCount-1,h=a===s.childCount-1;if(t&&h&&d&&(e.execute("insertTableRowBelow"),a===s.childCount-1))return;let u;if(t&&d){const t=s.getChild(a+1);u=t.getChild(0)}else if(!t&&c){const t=s.getChild(a-1);u=t.getChild(t.childCount-1)}else u=r.getChild(l+(t?1:-1));e.model.change(t=>{t.setSelection(t.createRangeIn(u))})}}_onKeydown(t,e){const o=e.keyCode;if(!function(t){return t==pn.arrowright||t==pn.arrowleft||t==pn.arrowup||t==pn.arrowdown}(o))return;const i=function(t,e){const o="ltr"===e;switch(t){case pn.arrowleft:return o?"left":"right";case pn.arrowright:return o?"right":"left";case pn.arrowup:return"up";case pn.arrowdown:return"down"}}(o,this.editor.locale.contentLanguageDirection);this._handleArrowKeys(i,e.shiftKey)&&(e.preventDefault(),e.stopPropagation(),t.stop())}_handleArrowKeys(t,e){const o=this.editor.model,i=o.document.selection,n=["right","down"].includes(t),r=Sm(i);if(r.length){let o;return o=e?this.editor.plugins.get("TableSelection").getFocusCell():n?r[r.length-1]:r[0],this._navigateFromCellInDirection(o,t,e),!0}const s=fm("tableCell",i.focus);if(!s)return!1;const a=o.createRangeIn(s);if(this._isSelectionAtCellEdge(i,n))return this._navigateFromCellInDirection(s,t,e),!0;const l=i.getSelectedElement();if(l&&o.schema.isObject(l))return!1;if(this._isObjectElementNextToSelection(i,n))return!1;const c=this._findTextRangeFromSelection(a,i,n);return c?!["left","right"].includes(t)&&(this._isSingleLineRange(c,n)?(o.change(t=>{const r=n?a.end:a.start;if(e){const e=o.createSelection(i.anchor);e.setFocus(r),t.setSelection(e)}else t.setSelection(r)}),!0):void 0):(this._navigateFromCellInDirection(s,t,e),!0)}_isSelectionAtCellEdge(t,e){const o=this.editor.model,i=this.editor.model.schema,n=e?t.getLastPosition():t.getFirstPosition();if(!i.getLimitElement(n).is("tableCell"))return!1;const r=o.createSelection(n);return o.modifySelection(r,{direction:e?"forward":"backward"}),n.isEqual(r.focus)}_isObjectElementNextToSelection(t,e){const o=this.editor.model,i=o.schema,n=o.createSelection(t);o.modifySelection(n,{direction:e?"forward":"backward"});const r=e?n.focus.nodeBefore:n.focus.nodeAfter;return r&&i.isObject(r)}_findTextRangeFromSelection(t,e,o){const i=this.editor.model;if(o){const o=e.getLastPosition(),n=this._getNearestVisibleTextPosition(t,"backward");return n&&o.isBefore(n)?i.createRange(o,n):null}{const o=e.getFirstPosition(),n=this._getNearestVisibleTextPosition(t,"forward");return n&&o.isAfter(n)?i.createRange(n,o):null}}_getNearestVisibleTextPosition(t,e){const o=this.editor.model.schema,i=this.editor.editing.mapper;for(const{nextPosition:n,item:r}of t.getWalker({direction:e}))if(o.checkChild(n,"$text")){const t=i.toViewElement(r);if(t&&!t.hasClass("ck-hidden"))return n}}_isSingleLineRange(t,e){const o=this.editor.model,i=this.editor.editing,n=i.view.domConverter;if(e){const e=o.createSelection(t.start);o.modifySelection(e),e.focus.isAtEnd||t.start.isEqual(e.focus)||(t=o.createRange(e.focus,t.end))}const r=i.mapper.toViewRange(t),s=n.viewRangeToDom(r),a=Zr.getDomRangeRects(s);let l;for(const t of a)if(void 0!==l){if(Math.round(t.top)>=l)return!1;l=Math.max(l,Math.round(t.bottom))}else l=Math.round(t.bottom);return!0}_navigateFromCellInDirection(t,e,o=!1){const i=this.editor.model,n=fm("table",t),r=[...new Cm(n,{includeSpanned:!0})],{row:s,column:a}=r[r.length-1],l=r.find(({cell:e})=>e==t);let{row:c,column:d}=l;switch(e){case"left":d--;break;case"up":c--;break;case"right":d+=l.colspan;break;case"down":c+=l.rowspan}if(c<0||c>s||d<0&&c<=0||d>a&&c>=s)return void i.change(t=>{t.setSelection(t.createRangeOn(n))});d<0?(d=o?0:a,c--):d>a&&(d=o?a:0,c++);const h=r.find(t=>t.row==c&&t.column==d).cell,u=["right","down"].includes(e);if(o){const e=this.editor.plugins.get("TableSelection"),o=e.getAnchorCell()||t;e.setCellSelection(o,h)}else{const t=i.createPositionAt(h,u?0:"end");i.change(e=>{e.setSelection(t)})}}}o(94);const Qf=/^#([0-9a-f]{3,4}|[0-9a-f]{6}|[0-9a-f]{8})$/i,Xf=/^rgb\([ ]?([0-9]{1,3}[ %]?,[ ]?){2,3}[0-9]{1,3}[ %]?\)$/i,Zf=/^rgba\([ ]?([0-9]{1,3}[ %]?,[ ]?){3}(1|[0-9]+%|[0]?\.?[0-9]+)\)$/i,tp=/^hsl\([ ]?([0-9]{1,3}[ %]?[,]?[ ]*){3}(1|[0-9]+%|[0]?\.?[0-9]+)?\)$/i,ep=/^hsla\([ ]?([0-9]{1,3}[ %]?,[ ]?){2,3}(1|[0-9]+%|[0]?\.?[0-9]+)\)$/i,op=new Set(["black","silver","gray","white","maroon","red","purple","fuchsia","green","lime","olive","yellow","navy","blue","teal","aqua","orange","aliceblue","antiquewhite","aquamarine","azure","beige","bisque","blanchedalmond","blueviolet","brown","burlywood","cadetblue","chartreuse","chocolate","coral","cornflowerblue","cornsilk","crimson","cyan","darkblue","darkcyan","darkgoldenrod","darkgray","darkgreen","darkgrey","darkkhaki","darkmagenta","darkolivegreen","darkorange","darkorchid","darkred","darksalmon","darkseagreen","darkslateblue","darkslategray","darkslategrey","darkturquoise","darkviolet","deeppink","deepskyblue","dimgray","dimgrey","dodgerblue","firebrick","floralwhite","forestgreen","gainsboro","ghostwhite","gold","goldenrod","greenyellow","grey","honeydew","hotpink","indianred","indigo","ivory","khaki","lavender","lavenderblush","lawngreen","lemonchiffon","lightblue","lightcoral","lightcyan","lightgoldenrodyellow","lightgray","lightgreen","lightgrey","lightpink","lightsalmon","lightseagreen","lightskyblue","lightslategray","lightslategrey","lightsteelblue","lightyellow","limegreen","linen","magenta","mediumaquamarine","mediumblue","mediumorchid","mediumpurple","mediumseagreen","mediumslateblue","mediumspringgreen","mediumturquoise","mediumvioletred","midnightblue","mintcream","mistyrose","moccasin","navajowhite","oldlace","olivedrab","orangered","orchid","palegoldenrod","palegreen","paleturquoise","palevioletred","papayawhip","peachpuff","peru","pink","plum","powderblue","rosybrown","royalblue","saddlebrown","salmon","sandybrown","seagreen","seashell","sienna","skyblue","slateblue","slategray","slategrey","snow","springgreen","steelblue","tan","thistle","tomato","turquoise","violet","wheat","whitesmoke","yellowgreen","rebeccapurple","currentcolor","transparent"]);function ip(t){return t.startsWith("#")?Qf.test(t):t.startsWith("rgb")?Xf.test(t)||Zf.test(t):t.startsWith("hsl")?tp.test(t)||ep.test(t):op.has(t.toLowerCase())}const np=["none","hidden","dotted","dashed","solid","double","groove","ridge","inset","outset"];function rp(t){return np.includes(t)}const sp=/^([+-]?[0-9]*[.]?[0-9]+(px|cm|mm|in|pc|pt|ch|em|ex|rem|vh|vw|vmin|vmax)|0)$/;function ap(t){return sp.test(t)}const lp=/^[+-]?[0-9]*[.]?[0-9]+%$/;const cp=["repeat-x","repeat-y","repeat","space","round","no-repeat"];const dp=["center","top","bottom","left","right"];function hp(t){return dp.includes(t)}const up=["fixed","scroll","local"];function gp(t){return up.includes(t)}const mp=/^url\(/;function fp(t){return mp.test(t)}function pp(t=""){if(""===t)return{top:void 0,right:void 0,bottom:void 0,left:void 0};const e=_p(t),o=e[0],i=e[2]||o,n=e[1]||o;return{top:o,bottom:i,right:n,left:e[3]||n}}function bp(t){return 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yp(t){const{color:e,style:o,width:i}=Ep(t);return{path:"border",value:{color:pp(e),style:pp(o),width:pp(i)}}}function xp(t){return e=>{const{color:o,style:i,width:n}=Ep(e),r={};return void 0!==o&&(r.color={[t]:o}),void 0!==i&&(r.style={[t]:i}),void 0!==n&&(r.width={[t]:n}),{path:"border",value:r}}}function Cp(t){return e=>({path:"border",value:Ap(e,t)})}function Ap(t,e){return{[e]:pp(t)}}function Tp(t,e){return o=>({path:"border",value:{[t]:{[e]:o}}})}function Pp(t){return(e,o)=>{if(o.border)return Sp(o.border,t)}}function Sp(t,e){const o={};return t.width&&t.width[e]&&(o.width=t.width[e]),t.style&&t.style[e]&&(o.style=t.style[e]),t.color&&t.color[e]&&(o.color=t.color[e]),o}function Ep(t){const e={},o=_p(t);for(const t of o)ap(t)||/thin|medium|thick/.test(t)?e.width=t:rp(t)?e.style=t:e.color=t;return e}function Rp(t){const e=[];return 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Bp(t,e){t.for("upcast").add(t=>t.on("element:"+e,(t,e,o)=>{const i=["border-top","border-right","border-bottom","border-left"].filter(t=>e.viewItem.hasStyle(t));if(!i.length)return;const n={styles:i};if(!o.consumable.test(e.viewItem,n))return;e.modelRange||(e=Object.assign(e,o.convertChildren(e.viewItem,e.modelCursor)));const r=[...e.modelRange.getItems({shallow:!0})].pop();o.consumable.consume(e.viewItem,n),o.writer.setAttribute("borderStyle",e.viewItem.getNormalizedStyle("border-style"),r),o.writer.setAttribute("borderColor",e.viewItem.getNormalizedStyle("border-color"),r),o.writer.setAttribute("borderWidth",e.viewItem.getNormalizedStyle("border-width"),r)}))}function zp(t,e,o,i){t.for("downcast").attributeToAttribute({model:{name:e,key:o},view:t=>({key:"style",value:{[i]:t}})})}function Fp(t,e,o){t.for("downcast").add(t=>t.on(`attribute:${e}:table`,(t,e,i)=>{const{item:n,attributeNewValue:r}=e,{mapper:s,writer:a}=i;if(!i.consumable.consume(e.item,t.name))return;const l=[...s.toViewElement(n).getChildren()].find(t=>t.is("table"));r?a.setStyle(o,r,l):a.removeStyle(o,l)}))}class Dp extends _d{constructor(t,e){super(t),this.attributeName=e}refresh(){const t=fm("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t,this.value=this._getValue(t)}execute(t={}){const e=this.editor.model,o=e.document.selection,{value:i,batch:n}=t,r=fm("table",o.getFirstPosition()),s=this._getValueToSet(i);e.enqueueChange(n||"default",t=>{s?t.setAttribute(this.attributeName,s,r):t.removeAttribute(this.attributeName,r)})}_getValue(t){if(t)return t.getAttribute(this.attributeName)}_getValueToSet(t){return t}}class Lp extends Dp{constructor(t){super(t,"backgroundColor")}}class jp extends Dp{constructor(t){super(t,"borderColor")}_getValue(t){if(t)return wm(t.getAttribute(this.attributeName))}}class Hp extends Dp{constructor(t){super(t,"borderStyle")}_getValue(t){if(t)return wm(t.getAttribute(this.attributeName))}}class Wp extends 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Wp(t)),function(t,e){t.extend("table",{allowAttributes:["alignment"]}),e.attributeToAttribute({model:{name:"table",key:"alignment",values:["left","right"]},view:{left:{key:"style",value:{float:"left"}},right:{key:"style",value:{float:"right"}}},converterPriority:"high"}),e.for("upcast").attributeToAttribute({view:{attributes:{align:Gp}},model:{name:"table",key:"alignment",value:t=>t.getAttribute("align")}})}(e,o),t.commands.add("tableAlignment",new $p(t)),Jp(e,o,"width","width"),t.commands.add("tableWidth",new qp(t)),Jp(e,o,"height","height"),t.commands.add("tableHeight",new Up(t)),t.data.addStyleProcessorRules(Op),function(t,e,o,i){t.extend("table",{allowAttributes:[o]}),Np(e,"table",o,i),Fp(e,o,i)}(e,o,"backgroundColor","background-color"),t.commands.add("tableBackgroundColor",new Lp(t))}}function Jp(t,e,o,i){t.extend("table",{allowAttributes:[o]}),Np(e,"table",o,i),zp(e,"table",o,i)}class Yp extends uc{constructor(t){super(t);const e=this.bindTemplate;this.set("color"),this.set("hasBorder"),this.icon='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path class="ck-icon__fill" d="M16.935 5.328a2 2 0 0 1 0 2.829l-7.778 7.778a2 2 0 0 1-2.829 0L3.5 13.107a1.999 1.999 0 1 1 2.828-2.829l.707.707a1 1 0 0 0 1.414 0l5.658-5.657a2 2 0 0 1 2.828 0z"/><path d="M14.814 6.035L8.448 12.4a1 1 0 0 1-1.414 0l-1.413-1.415A1 1 0 1 0 4.207 12.4l2.829 2.829a1 1 0 0 0 1.414 0l7.778-7.778a1 1 0 1 0-1.414-1.415z"/></svg>',this.extendTemplate({attributes:{style:{backgroundColor:e.to("color")},class:["ck","ck-color-grid__tile",e.if("hasBorder","ck-color-table__color-tile_bordered")]}})}render(){super.render(),this.iconView.fillColor="hsl(0, 0%, 100%)"}}o(96);class Qp extends Xl{constructor(t,e){super(t);const o=e&&e.colorDefinitions||[],i={};e&&e.columns&&(i.gridTemplateColumns=`repeat( ${e.columns}, 1fr)`),this.set("selectedColor"),this.items=this.createCollection(),this.focusTracker=new gc,this.keystrokes=new Al,this._focusCycler=new wc({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowleft",focusNext:"arrowright"}}),this.items.on("add",(t,e)=>{e.isOn=e.color===this.selectedColor}),o.forEach(t=>{const e=new Yp;e.set({color:t.color,label:t.label,tooltip:!0,hasBorder:t.options.hasBorder}),e.on("execute",()=>{this.fire("execute",{value:t.color,hasBorder:t.options.hasBorder,label:t.label})}),this.items.add(e)}),this.setTemplate({tag:"div",children:this.items,attributes:{class:["ck","ck-color-grid"],style:i}}),this.on("change:selectedColor",(t,e,o)=>{for(const t of this.items)t.isOn=t.color===o})}focus(){this.items.length&&this.items.first.focus()}focusLast(){this.items.length&&this.items.last.focus()}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",(t,e)=>{this.focusTracker.add(e.element)}),this.items.on("remove",(t,e)=>{this.focusTracker.remove(e.element)}),this.keystrokes.listenTo(this.element)}}var Xp='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8.636 9.531l-2.758 3.94a.5.5 0 0 0 .122.696l3.224 2.284h1.314l2.636-3.736L8.636 9.53zm.288 8.451L5.14 15.396a2 2 0 0 1-.491-2.786l6.673-9.53a2 2 0 0 1 2.785-.49l3.742 2.62a2 2 0 0 1 .491 2.785l-7.269 10.053-2.147-.066z"/><path d="M4 18h5.523v-1H4zm-2 0h1v-1H2z"/></svg>';o(98);class Zp extends Xl{constructor(t,e){super(t);const o=this.bindTemplate;this.set("value",""),this.set("id"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("ariaDescribedById"),this.options=e,this._dropdownView=this._createDropdownView(t),this._inputView=this._createInputTextView(t),this._stillTyping=!1,this.setTemplate({tag:"div",attributes:{class:["ck","ck-input-color",o.if("hasError","ck-error")],id:o.to("id"),"aria-invalid":o.if("hasError",!0),"aria-describedby":o.to("ariaDescribedById")},children:[this._inputView,this._dropdownView]}),this.on("change:value",(t,e,o)=>this._setInputValue(o))}focus(){this._inputView.focus()}_createDropdownView(){const t=this.locale,e=t.t,o=this.bindTemplate,i=this._createColorGrid(t),n=Vc(t),r=new Xl,s=this._createRemoveColorButton(t);return r.setTemplate({tag:"span",attributes:{class:["ck","ck-input-color__button__preview"],style:{backgroundColor:o.to("value")}},children:[{tag:"span",attributes:{class:["ck","ck-input-color__button__preview__no-color-indicator",o.if("value","ck-hidden",t=>""!=t)]}}]}),n.buttonView.extendTemplate({attributes:{class:"ck-input-color__button"}}),n.buttonView.children.add(r),n.buttonView.tooltip=e("Color picker"),n.panelPosition="rtl"===t.uiLanguageDirection?"se":"sw",n.panelView.children.add(s),n.panelView.children.add(i),n.bind("isEnabled").to(this,"isReadOnly",t=>!t),n}_createInputTextView(){const t=this.locale,e=new Mh(t);return e.extendTemplate({on:{blur:e.bindTemplate.to("blur")}}),e.value=this.value,e.bind("isReadOnly").to(this),e.bind("hasError").to(this),e.on("input",()=>{const t=e.element.value,o=this.options.colorDefinitions.find(e=>t===e.label);this._stillTyping=!0,this.value=o&&o.color||t}),e.on("blur",()=>{this._stillTyping=!1,this._setInputValue(e.element.value)}),e.delegate("input").to(this),e}_createRemoveColorButton(){const t=this.locale,e=t.t,o=new uc(t);return o.class="ck-input-color__remove-color",o.withText=!0,o.icon=Xp,o.label=e("Remove color"),o.on("execute",()=>{this.value="",this._dropdownView.isOpen=!1,this.fire("input")}),o}_createColorGrid(t){const e=new Qp(t,{colorDefinitions:this.options.colorDefinitions,columns:this.options.columns});return e.on("execute",(t,e)=>{this.value=e.value,this._dropdownView.isOpen=!1,this.fire("input")}),e.bind("selectedColor").to(this,"value"),e}_setInputValue(t){if(!this._stillTyping){const e=tb(t),o=this.options.colorDefinitions.find(t=>e===tb(t.color));this._inputView.value=o?o.label:t||""}}}function tb(t){return t.replace(/([(,])\s+/g,"$1").replace(/^\s+|\s+(?=[),\s]|$)/g,"").replace(/,|\s/g," ")}const eb=sc.defaultPositions,ob=[eb.northArrowSouth,eb.northArrowSouthWest,eb.northArrowSouthEast,eb.southArrowNorth,eb.southArrowNorthWest,eb.southArrowNorthEast],ib=[...ob,uh],nb=t=>""===t;function rb(t,e){const o=t.plugins.get("ContextualBalloon");if(Pm(t.editing.view.document.selection)){let i;i="cell"===e?ab(t):sb(t),o.updatePosition(i)}}function sb(t){const e=fm("table",t.model.document.selection.getFirstPosition()),o=t.editing.mapper.toViewElement(e);return{target:t.editing.view.domConverter.viewToDom(o),positions:ib}}function ab(t){const e=t.editing.mapper,o=t.editing.view.domConverter,i=t.model.document.selection;if(i.rangeCount>1)return{target:()=>function(t,e){const o={left:Number.POSITIVE_INFINITY,top:Number.POSITIVE_INFINITY,right:Number.NEGATIVE_INFINITY,bottom:Number.NEGATIVE_INFINITY};for(const i of t){const t=e(i);o.left=Math.min(o.left,t.left),o.top=Math.min(o.top,t.top),o.right=Math.max(o.right,t.right),o.bottom=Math.max(o.bottom,t.bottom)}return o.width=o.right-o.left,o.height=o.bottom-o.top,new Zr(o)}(i.getRanges(),t=>{const i=kb(t.start),n=e.toViewElement(i);return new Zr(o.viewToDom(n))}),positions:ob};const n=kb(i.getFirstPosition()),r=e.toViewElement(n);return{target:o.viewToDom(r),positions:ob}}function lb(t){return{none:t("None"),solid:t("Solid"),dotted:t("Dotted"),dashed:t("Dashed"),double:t("Double"),groove:t("Groove"),ridge:t("Ridge"),inset:t("Inset"),outset:t("Outset")}}function cb(t){return t('The color is invalid. Try "#FF0000" or "rgb(255,0,0)" or "red".')}function db(t){return t('The value is invalid. Try "10px" or "2em" or simply "2".')}function hb(t){return t=t.trim(),nb(t)||ip(t)}function ub(t){return t=t.trim(),nb(t)||wb(t)||ap(t)||(e=t,lp.test(e));var e}function gb(t){return t=t.trim(),nb(t)||wb(t)||ap(t)}function mb(t){const e=new Ao,o=lb(t.t);for(const i in o){const n={type:"button",model:new Zd({_borderStyleValue:"none"===i?"":i,label:o[i],withText:!0})};"none"===i?n.model.bind("isOn").to(t,"borderStyle",t=>!t):n.model.bind("isOn").to(t,"borderStyle",t=>t===i),e.add(n)}return e}function fb({view:t,icons:e,toolbar:o,labels:i,propertyName:n,nameToValue:r}){for(const s in i){const a=new uc(t.locale);a.set({label:i[s],icon:e[s],tooltip:i[s]}),a.bind("isOn").to(t,n,t=>t===r(s)),a.on("execute",()=>{t[n]=r(s)}),o.items.add(a)}}const pb=[{color:"hsl(0, 0%, 0%)",label:"Black"},{color:"hsl(0, 0%, 30%)",label:"Dim grey"},{color:"hsl(0, 0%, 60%)",label:"Grey"},{color:"hsl(0, 0%, 90%)",label:"Light grey"},{color:"hsl(0, 0%, 100%)",label:"White",hasBorder:!0},{color:"hsl(0, 75%, 60%)",label:"Red"},{color:"hsl(30, 75%, 60%)",label:"Orange"},{color:"hsl(60, 75%, 60%)",label:"Yellow"},{color:"hsl(90, 75%, 60%)",label:"Light green"},{color:"hsl(120, 75%, 60%)",label:"Green"},{color:"hsl(150, 75%, 60%)",label:"Aquamarine"},{color:"hsl(180, 75%, 60%)",label:"Turquoise"},{color:"hsl(210, 75%, 60%)",label:"Light blue"},{color:"hsl(240, 75%, 60%)",label:"Blue"},{color:"hsl(270, 75%, 60%)",label:"Purple"}];function bb(t){return(e,o,i)=>{const n=new Zp(e.locale,{colorDefinitions:(r=t.colorConfig,r.map(t=>({color:t.model,label:t.label,options:{hasBorder:t.hasBorder}}))),columns:t.columns});var r;return n.set({id:o,ariaDescribedById:i}),n.bind("isReadOnly").to(e,"isEnabled",t=>!t),n.bind("errorText").to(e),n.on("input",()=>{e.errorText=null}),n}}function wb(t){const e=parseFloat(t);return!Number.isNaN(e)&&t===String(e)}function kb(t){return t.nodeAfter&&t.nodeAfter.is("tableCell")?t.nodeAfter:fm("tableCell",t)}o(100);class _b extends Xl{constructor(t,e={}){super(t);const o=this.bindTemplate;this.set("class",e.class||null),this.children=this.createCollection(),e.children&&e.children.forEach(t=>this.children.add(t)),this.set("_role",null),this.set("_ariaLabelledBy",null),e.labelView&&this.set({_role:"group",_ariaLabelledBy:e.labelView.id}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-form__row",o.to("class")],role:o.to("_role"),"aria-labelledby":o.to("_ariaLabelledBy")},children:this.children})}}o(102);class vb extends Xl{constructor(t,e={}){super(t);const o=this.bindTemplate;this.set("label",e.label||""),this.set("class",e.class||null),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-form__header",o.to("class")]},children:this.children});const i=new Xl(t);i.setTemplate({tag:"span",attributes:{class:["ck","ck-form__header__label"]},children:[{text:o.to("label")}]}),this.children.add(i)}}o(13),o(14),o(106);const yb={left:tu,center:eu,right:ou};class xb extends Xl{constructor(t,e){super(t),this.set({borderStyle:"",borderWidth:"",borderColor:"",backgroundColor:"",width:"",height:"",alignment:""}),this.options=e;const{borderStyleDropdown:o,borderWidthInput:i,borderColorInput:n,borderRowLabel:r}=this._createBorderFields(),{widthInput:s,operatorLabel:a,heightInput:l,dimensionsLabel:c}=this._createDimensionFields(),{alignmentToolbar:d,alignmentLabel:h}=this._createAlignmentFields();this.focusTracker=new gc,this.keystrokes=new Al,this.children=this.createCollection(),this.borderStyleDropdown=o,this.borderWidthInput=i,this.borderColorInput=n,this.backgroundInput=this._createBackgroundField(),this.widthInput=s,this.heightInput=l,this.alignmentToolbar=d;const{saveButtonView:u,cancelButtonView:g}=this._createActionButtons();this.saveButtonView=u,this.cancelButtonView=g,this._focusables=new Vl,this._focusCycler=new wc({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.children.add(new vb(t,{label:this.t("Table properties")})),this.children.add(new _b(t,{labelView:r,children:[r,o,n,i],class:"ck-table-form__border-row"})),this.children.add(new _b(t,{children:[this.backgroundInput]})),this.children.add(new _b(t,{children:[new _b(t,{labelView:c,children:[c,s,a,l],class:"ck-table-form__dimensions-row"}),new _b(t,{labelView:h,children:[h,d],class:"ck-table-properties-form__alignment-row"})]})),this.children.add(new _b(t,{children:[this.saveButtonView,this.cancelButtonView],class:"ck-table-form__action-row"})),this.setTemplate({tag:"form",attributes:{class:["ck","ck-form","ck-table-form","ck-table-properties-form"],tabindex:"-1"},children:this.children})}render(){super.render(),zh({view:this}),[this.borderStyleDropdown,this.borderColorInput,this.borderWidthInput,this.backgroundInput,this.widthInput,this.heightInput,this.alignmentToolbar,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createBorderFields(){const t=bb({colorConfig:this.options.borderColors,columns:5}),e=this.locale,o=this.t,i=new Vh(e);i.text=o("Border");const n=lb(this.t),r=new Oh(e,Bh);r.set({label:o("Style"),class:"ck-table-form__border-style"}),r.fieldView.buttonView.set({isOn:!1,withText:!0,tooltip:o("Style")}),r.fieldView.buttonView.bind("label").to(this,"borderStyle",t=>n[t||"none"]),r.fieldView.on("execute",t=>{this.borderStyle=t.source._borderStyleValue}),Oc(r.fieldView,mb(this));const s=new Oh(e,Nh);s.set({label:o("Width"),class:"ck-table-form__border-width"}),s.fieldView.bind("value").to(this,"borderWidth"),s.bind("isEnabled").to(this,"borderStyle",Cb),s.fieldView.on("input",()=>{this.borderWidth=s.fieldView.element.value});const a=new Oh(e,t);return a.set({label:o("Color"),class:"ck-table-form__border-color"}),a.fieldView.bind("value").to(this,"borderColor"),a.bind("isEnabled").to(this,"borderStyle",Cb),a.fieldView.on("input",()=>{this.borderColor=a.fieldView.value}),this.on("change:borderStyle",(t,e,o)=>{Cb(o)||(this.borderColor="",this.borderWidth="")}),{borderRowLabel:i,borderStyleDropdown:r,borderColorInput:a,borderWidthInput:s}}_createBackgroundField(){const t=bb({colorConfig:this.options.backgroundColors,columns:5}),e=this.locale,o=this.t,i=new Oh(e,t);return i.set({label:o("Background"),class:"ck-table-properties-form__background"}),i.fieldView.bind("value").to(this,"backgroundColor"),i.fieldView.on("input",()=>{this.backgroundColor=i.fieldView.value}),i}_createDimensionFields(){const t=this.locale,e=this.t,o=new Vh(t);o.text=e("Dimensions");const i=new Oh(t,Nh);i.set({label:e("Width"),class:"ck-table-form__dimensions-row__width"}),i.fieldView.bind("value").to(this,"width"),i.fieldView.on("input",()=>{this.width=i.fieldView.element.value});const n=new Xl(t);n.setTemplate({tag:"span",attributes:{class:["ck-table-form__dimension-operator"]},children:[{text:"×"}]});const r=new Oh(t,Nh);return r.set({label:e("Height"),class:"ck-table-form__dimensions-row__height"}),r.fieldView.bind("value").to(this,"height"),r.fieldView.on("input",()=>{this.height=r.fieldView.element.value}),{dimensionsLabel:o,widthInput:i,operatorLabel:n,heightInput:r}}_createAlignmentFields(){const t=this.locale,e=this.t,o=new Vh(t);o.text=e("Alignment");const i=new Mc(t);return i.set({isCompact:!0,ariaLabel:e("Table alignment toolbar")}),fb({view:this,icons:yb,toolbar:i,labels:this._alignmentLabels,propertyName:"alignment",nameToValue:t=>"center"===t?"":t}),{alignmentLabel:o,alignmentToolbar:i}}_createActionButtons(){const t=this.locale,e=this.t,o=new uc(t),i=new uc(t),n=[this.borderWidthInput,this.borderColorInput,this.backgroundInput,this.widthInput,this.heightInput];return o.set({label:e("Save"),icon:Fh,class:"ck-button-save",type:"submit",withText:!0}),o.bind("isEnabled").toMany(n,"errorText",(...t)=>t.every(t=>!t)),i.set({label:e("Cancel"),icon:Dh,class:"ck-button-cancel",type:"cancel",withText:!0}),i.delegate("execute").to(this,"cancel"),{saveButtonView:o,cancelButtonView:i}}get _alignmentLabels(){const t=this.locale,e=this.t,o=e("Align table to the left"),i=e("Center table"),n=e("Align table to the right");return"rtl"===t.uiLanguageDirection?{right:n,center:i,left:o}:{left:o,center:i,right:n}}}function Cb(t){return!!t}function Ab(t,e){const o=t.t,i={Black:o("Black"),"Dim grey":o("Dim grey"),Grey:o("Grey"),"Light grey":o("Light grey"),White:o("White"),Red:o("Red"),Orange:o("Orange"),Yellow:o("Yellow"),"Light green":o("Light green"),Green:o("Green"),Aquamarine:o("Aquamarine"),Turquoise:o("Turquoise"),"Light blue":o("Light blue"),Blue:o("Blue"),Purple:o("Purple")};return e.map(t=>{const e=i[t.label];return e&&e!=t.label&&(t.label=e),t})}function Tb(t){return t.map(Pb).filter(t=>!!t)}function Pb(t){return"string"==typeof t?{model:t,label:t,hasBorder:!1,view:{name:"span",styles:{color:t}}}:{model:t.color,label:t.label||t.color,hasBorder:void 0!==t.hasBorder&&t.hasBorder,view:{name:"span",styles:{color:""+t.color}}}}const Sb={borderStyle:"tableBorderStyle",borderColor:"tableBorderColor",borderWidth:"tableBorderWidth",backgroundColor:"tableBackgroundColor",width:"tableWidth",height:"tableHeight",alignment:"tableAlignment"};class Eb extends Rl{static get requires(){return[fc]}static get pluginName(){return"TablePropertiesUI"}constructor(t){super(t),t.config.define("table.tableProperties",{borderColors:pb,backgroundColors:pb})}init(){const t=this.editor,e=t.t;this._balloon=t.plugins.get(fc),this.view=this._createPropertiesView(),this._undoStepBatch=null,t.ui.componentFactory.add("tableProperties",o=>{const i=new uc(o);i.set({label:e("Table properties"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8 2v5h4V2h1v5h5v1h-5v4h.021l-.172.351-1.916.28-.151.027c-.287.063-.54.182-.755.341L8 13v5H7v-5H2v-1h5V8H2V7h5V2h1zm4 6H8v4h4V8z" opacity=".6"/><path d="M15.5 11.5l1.323 2.68 2.957.43-2.14 2.085.505 2.946L15.5 18.25l-2.645 1.39.505-2.945-2.14-2.086 2.957-.43L15.5 11.5zM17 1a2 2 0 0 1 2 2v9.475l-.85-.124-.857-1.736a2.048 2.048 0 0 0-.292-.44L17 3H3v14h7.808l.402.392L10.935 19H3a2 2 0 0 1-2-2V3a2 2 0 0 1 2-2h14z"/></svg>',tooltip:!0}),this.listenTo(i,"execute",()=>this._showView());const n=Object.values(Sb).map(e=>t.commands.get(e));return i.bind("isEnabled").toMany(n,"isEnabled",(...t)=>t.some(t=>t)),i})}destroy(){super.destroy(),this.view.destroy()}_createPropertiesView(){const t=this.editor,e=t.editing.view.document,o=t.config.get("table.tableProperties"),i=Tb(o.borderColors),n=Ab(t.locale,i),r=Tb(o.backgroundColors),s=Ab(t.locale,r),a=new xb(t.locale,{borderColors:n,backgroundColors:s}),l=t.t;a.render(),this.listenTo(a,"submit",()=>{this._hideView()}),this.listenTo(a,"cancel",()=>{this._undoStepBatch.operations.length&&t.execute("undo",this._undoStepBatch),this._hideView()}),a.keystrokes.set("Esc",(t,e)=>{this._hideView(),e()}),this.listenTo(t.ui,"update",()=>{Pm(e.selection)?this._isViewVisible&&rb(t,"table"):this._hideView()}),Ic({emitter:a,activator:()=>this._isViewInBalloon,contextElements:[this._balloon.view.element],callback:()=>this._hideView()});const c=cb(l),d=db(l);return a.on("change:borderStyle",this._getPropertyChangeCallback("tableBorderStyle")),a.on("change:borderColor",this._getValidatedPropertyChangeCallback({viewField:a.borderColorInput,commandName:"tableBorderColor",errorText:c,validator:hb})),a.on("change:borderWidth",this._getValidatedPropertyChangeCallback({viewField:a.borderWidthInput,commandName:"tableBorderWidth",errorText:d,validator:gb})),a.on("change:backgroundColor",this._getValidatedPropertyChangeCallback({viewField:a.backgroundInput,commandName:"tableBackgroundColor",errorText:c,validator:hb})),a.on("change:width",this._getValidatedPropertyChangeCallback({viewField:a.widthInput,commandName:"tableWidth",errorText:d,validator:ub})),a.on("change:height",this._getValidatedPropertyChangeCallback({viewField:a.heightInput,commandName:"tableHeight",errorText:d,validator:ub})),a.on("change:alignment",this._getPropertyChangeCallback("tableAlignment")),a}_fillViewFormFromCommandValues(){const t=this.editor.commands;Object.entries(Sb).map(([e,o])=>[e,t.get(o).value||""]).forEach(([t,e])=>this.view.set(t,e))}_showView(){const t=this.editor;this._balloon.add({view:this.view,position:sb(t)}),this._undoStepBatch=t.model.createBatch(),this._fillViewFormFromCommandValues(),this.view.focus()}_hideView(){if(!this._isViewInBalloon)return;const t=this.editor;this.stopListening(t.ui,"update"),this.view.saveButtonView.focus(),this._balloon.remove(this.view),this.editor.editing.view.focus()}get _isViewVisible(){return this._balloon.visibleView===this.view}get _isViewInBalloon(){return this._balloon.hasView(this.view)}_getPropertyChangeCallback(t){return(e,o,i)=>{this.editor.execute(t,{value:i,batch:this._undoStepBatch})}}_getValidatedPropertyChangeCallback({commandName:t,viewField:e,validator:o,errorText:i}){const n=qr(()=>{e.errorText=i},500);return(i,r,s)=>{n.cancel(),o(s)?(this.editor.execute(t,{value:s,batch:this._undoStepBatch}),e.errorText=null):n()}}}o(108);const Rb={left:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 4c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75z"/></svg>',center:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm2.286 4c0 .414.336.75.75.75h9.928a.75.75 0 1 0 0-1.5H5.036a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h9.928a.75.75 0 1 0 0-1.5H5.036a.75.75 0 0 0-.75.75z"/></svg>',right:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M18 3.75a.75.75 0 0 1-.75.75H2.75a.75.75 0 1 1 0-1.5h14.5a.75.75 0 0 1 .75.75zm0 8a.75.75 0 0 1-.75.75H2.75a.75.75 0 1 1 0-1.5h14.5a.75.75 0 0 1 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Xl{constructor(t,e){super(t),this.set({borderStyle:"",borderWidth:"",borderColor:"",padding:"",backgroundColor:"",width:"",height:"",horizontalAlignment:"",verticalAlignment:""}),this.options=e;const{borderStyleDropdown:o,borderWidthInput:i,borderColorInput:n,borderRowLabel:r}=this._createBorderFields(),{widthInput:s,operatorLabel:a,heightInput:l,dimensionsLabel:c}=this._createDimensionFields(),{horizontalAlignmentToolbar:d,verticalAlignmentToolbar:h,alignmentLabel:u}=this._createAlignmentFields();this.focusTracker=new gc,this.keystrokes=new Al,this.children=this.createCollection(),this.borderStyleDropdown=o,this.borderWidthInput=i,this.borderColorInput=n,this.backgroundInput=this._createBackgroundField(),this.paddingInput=this._createPaddingField(),this.widthInput=s,this.heightInput=l,this.horizontalAlignmentToolbar=d,this.verticalAlignmentToolbar=h;const{saveButtonView:g,cancelButtonView:m}=this._createActionButtons();this.saveButtonView=g,this.cancelButtonView=m,this._focusables=new Vl,this._focusCycler=new wc({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.children.add(new vb(t,{label:this.t("Cell properties")})),this.children.add(new _b(t,{labelView:r,children:[r,o,n,i],class:"ck-table-form__border-row"})),this.children.add(new _b(t,{children:[this.backgroundInput]})),this.children.add(new _b(t,{children:[new _b(t,{labelView:c,children:[c,s,a,l],class:"ck-table-form__dimensions-row"}),new _b(t,{children:[this.paddingInput],class:"ck-table-cell-properties-form__padding-row"})]})),this.children.add(new _b(t,{labelView:u,children:[u,d,h],class:"ck-table-cell-properties-form__alignment-row"})),this.children.add(new _b(t,{children:[this.saveButtonView,this.cancelButtonView],class:"ck-table-form__action-row"})),this.setTemplate({tag:"form",attributes:{class:["ck","ck-form","ck-table-form","ck-table-cell-properties-form"],tabindex:"-1"},children:this.children})}render(){super.render(),zh({view:this}),[this.borderStyleDropdown,this.borderColorInput,this.borderWidthInput,this.backgroundInput,this.widthInput,this.heightInput,this.paddingInput,this.horizontalAlignmentToolbar,this.verticalAlignmentToolbar,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createBorderFields(){const t=bb({colorConfig:this.options.borderColors,columns:5}),e=this.locale,o=this.t,i=new Vh(e);i.text=o("Border");const n=lb(o),r=new Oh(e,Bh);r.set({label:o("Style"),class:"ck-table-form__border-style"}),r.fieldView.buttonView.set({isOn:!1,withText:!0,tooltip:o("Style")}),r.fieldView.buttonView.bind("label").to(this,"borderStyle",t=>n[t||"none"]),r.fieldView.on("execute",t=>{this.borderStyle=t.source._borderStyleValue}),Oc(r.fieldView,mb(this));const s=new Oh(e,Nh);s.set({label:o("Width"),class:"ck-table-form__border-width"}),s.fieldView.bind("value").to(this,"borderWidth"),s.bind("isEnabled").to(this,"borderStyle",Vb),s.fieldView.on("input",()=>{this.borderWidth=s.fieldView.element.value});const a=new Oh(e,t);return a.set({label:o("Color"),class:"ck-table-form__border-color"}),a.fieldView.bind("value").to(this,"borderColor"),a.bind("isEnabled").to(this,"borderStyle",Vb),a.fieldView.on("input",()=>{this.borderColor=a.fieldView.value}),this.on("change:borderStyle",(t,e,o)=>{Vb(o)||(this.borderColor="",this.borderWidth="")}),{borderRowLabel:i,borderStyleDropdown:r,borderColorInput:a,borderWidthInput:s}}_createBackgroundField(){const t=this.locale,e=this.t,o=bb({colorConfig:this.options.backgroundColors,columns:5}),i=new Oh(t,o);return i.set({label:e("Background"),class:"ck-table-cell-properties-form__background"}),i.fieldView.bind("value").to(this,"backgroundColor"),i.fieldView.on("input",()=>{this.backgroundColor=i.fieldView.value}),i}_createDimensionFields(){const t=this.locale,e=this.t,o=new Vh(t);o.text=e("Dimensions");const i=new Oh(t,Nh);i.set({label:e("Width"),class:"ck-table-form__dimensions-row__width"}),i.fieldView.bind("value").to(this,"width"),i.fieldView.on("input",()=>{this.width=i.fieldView.element.value});const n=new Xl(t);n.setTemplate({tag:"span",attributes:{class:["ck-table-form__dimension-operator"]},children:[{text:"×"}]});const r=new Oh(t,Nh);return r.set({label:e("Height"),class:"ck-table-form__dimensions-row__height"}),r.fieldView.bind("value").to(this,"height"),r.fieldView.on("input",()=>{this.height=r.fieldView.element.value}),{dimensionsLabel:o,widthInput:i,operatorLabel:n,heightInput:r}}_createPaddingField(){const t=this.locale,e=this.t,o=new Oh(t,Nh);return o.set({label:e("Padding"),class:"ck-table-cell-properties-form__padding"}),o.fieldView.bind("value").to(this,"padding"),o.fieldView.on("input",()=>{this.padding=o.fieldView.element.value}),o}_createAlignmentFields(){const t=this.locale,e=this.t,o=new Vh(t);o.text=e("Table cell text alignment");const i=new Mc(t),n="rtl"===this.locale.contentLanguageDirection;i.set({isCompact:!0,ariaLabel:e("Horizontal text alignment toolbar")}),fb({view:this,icons:Rb,toolbar:i,labels:this._horizontalAlignmentLabels,propertyName:"horizontalAlignment",nameToValue:t=>t===(n?"right":"left")?"":t});const r=new Mc(t);return r.set({isCompact:!0,ariaLabel:e("Vertical text alignment toolbar")}),fb({view:this,icons:Rb,toolbar:r,labels:this._verticalAlignmentLabels,propertyName:"verticalAlignment",nameToValue:t=>"middle"===t?"":t}),{horizontalAlignmentToolbar:i,verticalAlignmentToolbar:r,alignmentLabel:o}}_createActionButtons(){const t=this.locale,e=this.t,o=new uc(t),i=new uc(t),n=[this.borderWidthInput,this.borderColorInput,this.backgroundInput,this.paddingInput];return o.set({label:e("Save"),icon:Fh,class:"ck-button-save",type:"submit",withText:!0}),o.bind("isEnabled").toMany(n,"errorText",(...t)=>t.every(t=>!t)),i.set({label:e("Cancel"),icon:Dh,class:"ck-button-cancel",type:"cancel",withText:!0}),i.delegate("execute").to(this,"cancel"),{saveButtonView:o,cancelButtonView:i}}get _horizontalAlignmentLabels(){const t=this.locale,e=this.t,o=e("Align cell text to the left"),i=e("Align cell text to the center"),n=e("Align cell text to the right"),r=e("Justify cell text");return"rtl"===t.uiLanguageDirection?{right:n,center:i,left:o,justify:r}:{left:o,center:i,right:n,justify:r}}get _verticalAlignmentLabels(){const t=this.t;return{top:t("Align cell text to the top"),middle:t("Align cell text to the middle"),bottom:t("Align cell text to the bottom")}}}function Vb(t){return!!t}const Ob={borderStyle:"tableCellBorderStyle",borderColor:"tableCellBorderColor",borderWidth:"tableCellBorderWidth",width:"tableCellWidth",height:"tableCellHeight",padding:"tableCellPadding",backgroundColor:"tableCellBackgroundColor",horizontalAlignment:"tableCellHorizontalAlignment",verticalAlignment:"tableCellVerticalAlignment"};class Mb extends Rl{static get requires(){return[fc]}static get pluginName(){return"TableCellPropertiesUI"}constructor(t){super(t),t.config.define("table.tableCellProperties",{borderColors:pb,backgroundColors:pb})}init(){const t=this.editor,e=t.t;this._balloon=t.plugins.get(fc),this.view=this._createPropertiesView(),this._undoStepBatch=null,t.ui.componentFactory.add("tableCellProperties",o=>{const i=new uc(o);i.set({label:e("Cell properties"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.105 18l-.17 1H2.5A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1h15A1.5 1.5 0 0 1 19 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Ib(t.locale,{borderColors:n,backgroundColors:s}),l=t.t;a.render(),this.listenTo(a,"submit",()=>{this._hideView()}),this.listenTo(a,"cancel",()=>{this._undoStepBatch.operations.length&&t.execute("undo",this._undoStepBatch),this._hideView()}),a.keystrokes.set("Esc",(t,e)=>{this._hideView(),e()}),this.listenTo(t.ui,"update",()=>{Pm(e.selection)?this._isViewVisible&&rb(t,"cell"):this._hideView()}),Ic({emitter:a,activator:()=>this._isViewInBalloon,contextElements:[this._balloon.view.element],callback:()=>this._hideView()});const c=cb(l),d=db(l);return a.on("change:borderStyle",this._getPropertyChangeCallback("tableCellBorderStyle")),a.on("change:borderColor",this._getValidatedPropertyChangeCallback({viewField:a.borderColorInput,commandName:"tableCellBorderColor",errorText:c,validator:hb})),a.on("change:borderWidth",this._getValidatedPropertyChangeCallback({viewField:a.borderWidthInput,commandName:"tableCellBorderWidth",errorText:d,validator:gb})),a.on("change:padding",this._getValidatedPropertyChangeCallback({viewField:a.paddingInput,commandName:"tableCellPadding",errorText:d,validator:ub})),a.on("change:width",this._getValidatedPropertyChangeCallback({viewField:a.widthInput,commandName:"tableCellWidth",errorText:d,validator:ub})),a.on("change:height",this._getValidatedPropertyChangeCallback({viewField:a.heightInput,commandName:"tableCellHeight",errorText:d,validator:ub})),a.on("change:backgroundColor",this._getValidatedPropertyChangeCallback({viewField:a.backgroundInput,commandName:"tableCellBackgroundColor",errorText:c,validator:hb})),a.on("change:horizontalAlignment",this._getPropertyChangeCallback("tableCellHorizontalAlignment")),a.on("change:verticalAlignment",this._getPropertyChangeCallback("tableCellVerticalAlignment")),a}_fillViewFormFromCommandValues(){const t=this.editor.commands;Object.entries(Ob).map(([e,o])=>[e,t.get(o).value||""]).forEach(([t,e])=>this.view.set(t,e))}_showView(){const t=this.editor;this._balloon.add({view:this.view,position:ab(t)}),this._undoStepBatch=t.model.createBatch(),this._fillViewFormFromCommandValues(),this.view.focus()}_hideView(){if(!this._isViewInBalloon)return;const t=this.editor;this.stopListening(t.ui,"update"),this.view.saveButtonView.focus(),this._balloon.remove(this.view),this.editor.editing.view.focus()}get _isViewVisible(){return this._balloon.visibleView===this.view}get _isViewInBalloon(){return this._balloon.hasView(this.view)}_getPropertyChangeCallback(t){return(e,o,i)=>{this.editor.execute(t,{value:i,batch:this._undoStepBatch})}}_getValidatedPropertyChangeCallback({commandName:t,viewField:e,validator:o,errorText:i}){const n=qr(()=>{e.errorText=i},500);return(i,r,s)=>{n.cancel(),o(s)?(this.editor.execute(t,{value:s,batch:this._undoStepBatch}),e.errorText=null):n()}}}function Nb(t){t.setNormalizer("padding",kp("padding")),t.setNormalizer("padding-top",t=>({path:"padding.top",value:t})),t.setNormalizer("padding-right",t=>({path:"padding.right",value:t})),t.setNormalizer("padding-bottom",t=>({path:"padding.bottom",value:t})),t.setNormalizer("padding-left",t=>({path:"padding.left",value:t})),t.setReducer("padding",bp("padding")),t.setStyleRelation("padding",["padding-top","padding-right","padding-bottom","padding-left"])}class Bb extends _d{constructor(t,e){super(t),this.attributeName=e}refresh(){const t=Rm(this.editor.model.document.selection);this.isEnabled=!!t.length,this.value=this._getSingleValue(t)}execute(t={}){const{value:e,batch:o}=t,i=this.editor.model,n=Rm(i.document.selection),r=this._getValueToSet(e);i.enqueueChange(o||"default",t=>{r?n.forEach(e=>t.setAttribute(this.attributeName,r,e)):n.forEach(e=>t.removeAttribute(this.attributeName,e))})}_getAttribute(t){if(t)return t.getAttribute(this.attributeName)}_getValueToSet(t){return t}_getSingleValue(t){const e=this._getAttribute(t[0]);return t.every(t=>this._getAttribute(t)===e)?e:void 0}}class zb extends Bb{constructor(t){super(t,"padding")}_getAttribute(t){if(t)return wm(t.getAttribute(this.attributeName))}_getValueToSet(t){return km(t,"px")}}class Fb extends Bb{constructor(t){super(t,"width")}_getValueToSet(t){return km(t,"px")}}class Db extends Bb{constructor(t){super(t,"height")}_getValueToSet(t){return km(t,"px")}}class Lb extends Bb{constructor(t){super(t,"backgroundColor")}}class jb extends Bb{constructor(t){super(t,"verticalAlignment")}}class Hb extends Bb{constructor(t){super(t,"horizontalAlignment")}}class Wb extends Bb{constructor(t){super(t,"borderStyle")}_getAttribute(t){if(t)return wm(t.getAttribute(this.attributeName))}}class qb extends Bb{constructor(t){super(t,"borderColor")}_getAttribute(t){if(t)return wm(t.getAttribute(this.attributeName))}}class Ub extends Bb{constructor(t){super(t,"borderWidth")}_getAttribute(t){if(t)return wm(t.getAttribute(this.attributeName))}_getValueToSet(t){return km(t,"px")}}const $b=/^(top|bottom)$/;class Gb extends Rl{static get pluginName(){return"TableCellPropertiesEditing"}static get requires(){return[Nf]}init(){const t=this.editor,e=t.model.schema,o=t.conversion,i=t.locale;t.data.addStyleProcessorRules(vp),function(t,e){t.extend("tableCell",{allowAttributes:["borderWidth","borderColor","borderStyle"]}),Bp(e,"td"),Bp(e,"th"),zp(e,"tableCell","borderStyle","border-style"),zp(e,"tableCell","borderColor","border-color"),zp(e,"tableCell","borderWidth","border-width")}(e,o),t.commands.add("tableCellBorderStyle",new Wb(t)),t.commands.add("tableCellBorderColor",new qb(t)),t.commands.add("tableCellBorderWidth",new Ub(t)),function(t,e,o){t.extend("tableCell",{allowAttributes:["horizontalAlignment"]});const i=["rtl"==o.contentLanguageDirection?"left":"right","center","justify"];e.attributeToAttribute({model:{name:"tableCell",key:"horizontalAlignment",values:i},view:i.reduce((t,e)=>({...t,[e]:{key:"style",value:{"text-align":e}}}),{})})}(e,o,i),t.commands.add("tableCellHorizontalAlignment",new Hb(t)),Kb(e,o,"width","width"),t.commands.add("tableCellWidth",new Fb(t)),Kb(e,o,"height","height"),t.commands.add("tableCellHeight",new Db(t)),t.data.addStyleProcessorRules(Nb),Kb(e,o,"padding","padding"),t.commands.add("tableCellPadding",new zb(t)),t.data.addStyleProcessorRules(Op),Kb(e,o,"backgroundColor","background-color"),t.commands.add("tableCellBackgroundColor",new Lb(t)),function(t,e){t.extend("tableCell",{allowAttributes:["verticalAlignment"]}),e.attributeToAttribute({model:{name:"tableCell",key:"verticalAlignment",values:["top","bottom"]},view:{top:{key:"style",value:{"vertical-align":"top"}},bottom:{key:"style",value:{"vertical-align":"bottom"}}}}),e.for("upcast").attributeToAttribute({view:{attributes:{valign:$b}},model:{name:"tableCell",key:"verticalAlignment",value:t=>t.getAttribute("valign")}})}(e,o),t.commands.add("tableCellVerticalAlignment",new jb(t))}}function Kb(t,e,o,i){t.extend("tableCell",{allowAttributes:[o]}),Np(e,"tableCell",o,i),zp(e,"tableCell",o,i)}o(110);const Jb=ic("px");class Yb extends uc{constructor(t){super(t);const e=this.bindTemplate;this.isVisible=!1,this.isToggleable=!0,this.set("top",0),this.set("left",0),this.extendTemplate({attributes:{class:"ck-block-toolbar-button",style:{top:e.to("top",t=>Jb(t)),left:e.to("left",t=>Jb(t))}}})}}const Qb=ic("px");const Xb={heading1:'<svg viewBox="0 0 20 20" 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a&&Object.assign(o,a),this.fire("matched:"+t,o)}}}Co(Zb,Wi);var tw=/[\\^$.*+?()[\]{}|]/g,ew=RegExp(tw.source);var ow=function(t){return(t=Zo(t))&&ew.test(t)?t.replace(tw,"\\$&"):t};const iw={copyright:{from:"(c)",to:"©"},registeredTrademark:{from:"(r)",to:"®"},trademark:{from:"(tm)",to:"™"},oneHalf:{from:"1/2",to:"½"},oneThird:{from:"1/3",to:"⅓"},twoThirds:{from:"2/3",to:"⅔"},oneForth:{from:"1/4",to:"¼"},threeQuarters:{from:"3/4",to:"¾"},lessThanOrEqual:{from:"<=",to:"≤"},greaterThanOrEqual:{from:">=",to:"≥"},notEqual:{from:"!=",to:"≠"},arrowLeft:{from:"<-",to:"←"},arrowRight:{from:"->",to:"→"},horizontalEllipsis:{from:"...",to:"…"},enDash:{from:/(^| )(--)( )$/,to:[null,"–",null]},emDash:{from:/(^| )(---)( )$/,to:[null,"—",null]},quotesPrimary:{from:cw('"'),to:[null,"“",null,"”"]},quotesSecondary:{from:cw("'"),to:[null,"‘",null,"’"]},quotesPrimaryEnGb:{from:cw("'"),to:[null,"‘",null,"’"]},quotesSecondaryEnGb:{from:cw('"'),to:[null,"“",null,"”"]},quotesPrimaryPl:{from:cw('"'),to:[null,"„",null,"”"]},quotesSecondaryPl:{from:cw("'"),to:[null,"‚",null,"’"]}},nw={symbols:["copyright","registeredTrademark","trademark"],mathematical:["oneHalf","oneThird","twoThirds","oneForth","threeQuarters","lessThanOrEqual","greaterThanOrEqual","notEqual","arrowLeft","arrowRight"],typography:["horizontalEllipsis","enDash","emDash"],quotes:["quotesPrimary","quotesSecondary"]},rw=["symbols","mathematical","typography","quotes"];function sw(t){return"string"==typeof t?new RegExp(`(${ow(t)})$`):t}function aw(t){return"string"==typeof t?()=>[t]:t instanceof Array?()=>t:t}function lw(t){return(t.textNode?t.textNode:t.nodeAfter).getAttributes()}function cw(t){return new RegExp(`(^|\\s)(${t})([^${t}]*)(${t})$`)}class dw extends _d{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=e.selection.getAttribute(this.attributeKey),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,o=e.document.selection,i=t.value;e.change(t=>{if(o.isCollapsed)i?t.setSelectionAttribute(this.attributeKey,i):t.removeSelectionAttribute(this.attributeKey);else{const n=e.schema.getValidRanges(o.getRanges(),this.attributeKey);for(const e of n)i?t.setAttribute(this.attributeKey,i,e):t.removeAttribute(this.attributeKey,e)}})}}class hw extends Ao{constructor(t){super(t),this.set("isEmpty",!0)}add(t,e){this.find(e=>e.color===t.color)||(super.add(t,e),this.set("isEmpty",!1))}remove(t){const e=super.remove(t);return 0===this.length&&this.set("isEmpty",!0),e}hasColor(t){return!!this.find(e=>e.color===t)}}Co(hw,Wi);o(112);class uw extends Xl{constructor(t,{colors:e,columns:o,removeButtonLabel:i,documentColorsLabel:n,documentColorsCount:r}){super(t),this.items=this.createCollection(),this.colorDefinitions=e,this.focusTracker=new gc,this.keystrokes=new Al,this.set("selectedColor"),this.removeButtonLabel=i,this.columns=o,this.documentColors=new hw,this.documentColorsCount=r,this._focusCycler=new wc({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}}),this._documentColorsLabel=n,this.setTemplate({tag:"div",attributes:{class:["ck","ck-color-table"]},children:this.items}),this.items.add(this._removeColorButton())}updateDocumentColors(t,e){const o=t.document,i=this.documentColorsCount;this.documentColors.clear();for(const n of o.getRootNames()){const r=o.getRoot(n),s=t.createRangeIn(r);for(const t of s.getItems())if(t.is("textProxy")&&t.hasAttribute(e)&&(this._addColorToDocumentColors(t.getAttribute(e)),this.documentColors.length>=i))return}}updateSelectedColors(){const t=this.documentColorsGrid,e=this.staticColorsGrid,o=this.selectedColor;e.selectedColor=o,t&&(t.selectedColor=o)}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.keystrokes.listenTo(this.element)}appendGrids(){if(!this.staticColorsGrid&&(this.staticColorsGrid=this._createStaticColorsGrid(),this.items.add(this.staticColorsGrid),this.documentColorsCount)){const t=Ol.bind(this.documentColors,this.documentColors),e=new Vh(this.locale);e.text=this._documentColorsLabel,e.extendTemplate({attributes:{class:["ck","ck-color-grid__label",t.if("isEmpty","ck-hidden")]}}),this.items.add(e),this.documentColorsGrid=this._createDocumentColorsGrid(),this.items.add(this.documentColorsGrid)}}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}_removeColorButton(){const t=new uc;return t.set({withText:!0,icon:Xp,tooltip:!0,label:this.removeButtonLabel}),t.class="ck-color-table__remove-color",t.on("execute",()=>{this.fire("execute",{value:null})}),t}_createStaticColorsGrid(){const t=new Qp(this.locale,{colorDefinitions:this.colorDefinitions,columns:this.columns});return t.delegate("execute").to(this),t}_createDocumentColorsGrid(){const t=Ol.bind(this.documentColors,this.documentColors),e=new Qp(this.locale,{columns:this.columns});return e.delegate("execute").to(this),e.extendTemplate({attributes:{class:t.if("isEmpty","ck-hidden")}}),e.items.bindTo(this.documentColors).using(t=>{const e=new Yp;return e.set({color:t.color,hasBorder:t.options&&t.options.hasBorder}),t.label&&e.set({label:t.label,tooltip:!0}),e.on("execute",()=>{this.fire("execute",{value:t.color})}),e}),this.documentColors.on("change:isEmpty",(t,o,i)=>{i&&(e.selectedColor=null)}),e}_addColorToDocumentColors(t){const e=this.colorDefinitions.find(e=>e.color===t);e?this.documentColors.add(Object.assign({},e)):this.documentColors.add({color:t,label:t,options:{hasBorder:!1}})}}function gw(t,e){const o={model:{key:t,values:[]},view:{},upcastAlso:{}};for(const t of e)o.model.values.push(t.model),o.view[t.model]=t.view,t.upcastAlso&&(o.upcastAlso[t.model]=t.upcastAlso);return o}function mw(t){return e=>e.getStyle(t).replace(/\s/g,"")}function fw(t){return(e,o)=>o.createAttributeElement("span",{style:`${t}:${e}`},{priority:7})}class pw extends dw{constructor(t){super(t,"fontFamily")}}function bw(t){return t.map(ww).filter(t=>!!t)}function ww(t){return"object"==typeof t?t:"default"===t?{title:"Default",model:void 0}:"string"==typeof t?function(t){const e=t.replace(/"|'/g,"").split(","),o=e[0],i=e.map(kw).join(", ");return{title:o,model:o,view:{name:"span",styles:{"font-family":i},priority:7}}}(t):void 0}function kw(t){return(t=t.trim()).indexOf(" ")>0&&(t=`'${t}'`),t}class _w extends Rl{static get pluginName(){return"FontFamilyEditing"}constructor(t){super(t),t.config.define("fontFamily",{options:["default","Arial, Helvetica, sans-serif","Courier New, Courier, monospace","Georgia, serif","Lucida Sans Unicode, Lucida Grande, sans-serif","Tahoma, Geneva, sans-serif","Times New Roman, Times, serif","Trebuchet MS, Helvetica, sans-serif","Verdana, Geneva, sans-serif"],supportAllValues:!1})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"fontFamily"}),t.model.schema.setAttributeProperties("fontFamily",{isFormatting:!0,copyOnEnter:!0});const e=gw("fontFamily",bw(t.config.get("fontFamily.options")).filter(t=>t.model));t.config.get("fontFamily.supportAllValues")?this._prepareAnyValueConverters():t.conversion.attributeToElement(e),t.commands.add("fontFamily",new pw(t))}_prepareAnyValueConverters(){const t=this.editor;t.conversion.for("downcast").attributeToElement({model:"fontFamily",view:(t,e)=>e.createAttributeElement("span",{style:"font-family:"+t},{priority:7})}),t.conversion.for("upcast").attributeToAttribute({model:{key:"fontFamily",value:t=>t.getStyle("font-family")},view:{name:"span",styles:{"font-family":/.*/}}})}}class vw extends Rl{init(){const t=this.editor,e=t.t,o=this._getLocalizedOptions(),i=t.commands.get("fontFamily");t.ui.componentFactory.add("fontFamily",n=>{const r=Vc(n);return Oc(r,function(t,e){const o=new Ao;for(const i of t){const t={type:"button",model:new Zd({commandName:"fontFamily",commandParam:i.model,label:i.title,withText:!0})};t.model.bind("isOn").to(e,"value",t=>t===i.model||!(!t||!i.model)&&t.split(",")[0].replace(/'/g,"").toLowerCase()===i.model.toLowerCase()),i.view&&i.view.styles&&t.model.set("labelStyle","font-family: "+i.view.styles["font-family"]),o.add(t)}return o}(o,i)),r.buttonView.set({label:e("Font Family"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.03 3h6.149a.75.75 0 1 1 0 1.5h-5.514L11.03 3zm1.27 3h4.879a.75.75 0 1 1 0 1.5h-4.244L12.3 6zm1.27 3h3.609a.75.75 0 1 1 0 1.5h-2.973L13.57 9zm-2.754 2.5L8.038 4.785 5.261 11.5h5.555zm.62 1.5H4.641l-1.666 4.028H1.312l5.789-14h1.875l5.789 14h-1.663L11.436 13z"/></svg>',tooltip:!0}),r.extendTemplate({attributes:{class:"ck-font-family-dropdown"}}),r.bind("isEnabled").to(i),this.listenTo(r,"execute",e=>{t.execute(e.source.commandName,{value:e.source.commandParam}),t.editing.view.focus()}),r})}_getLocalizedOptions(){const t=this.editor,e=t.t;return bw(t.config.get("fontFamily").options).map(t=>("Default"===t.title&&(t.title=e("Default")),t))}}class yw extends Rl{static get requires(){return[_w,vw]}static get pluginName(){return"FontFamily"}}class xw extends dw{constructor(t){super(t,"fontSize")}}function Cw(t){return t.map(t=>function(t){if(e=t,"object"==typeof e&&e.title&&e.model&&e.view)return Tw(t);var e;const o=function(t){return Aw[t]||Aw[t.model]}(t);if(o)return Tw(o);if("default"===t)return{model:void 0,title:"Default"};if(function(t){let e;if("object"==typeof t){if(!t.model)throw new go.b("font-size-invalid-definition: Provided font size definition is invalid.",null,t);e=parseFloat(t.model)}else e=parseFloat(t);return isNaN(e)}(t))return;return function(t){"number"!=typeof t&&"string"!=typeof t||(t={title:String(t),model:parseFloat(t)+"px"});return t.view={name:"span",styles:{"font-size":t.model}},Tw(t)}(t)}(t)).filter(t=>!!t)}const Aw={get tiny(){return{title:"Tiny",model:"tiny",view:{name:"span",classes:"text-tiny",priority:7}}},get small(){return{title:"Small",model:"small",view:{name:"span",classes:"text-small",priority:7}}},get big(){return{title:"Big",model:"big",view:{name:"span",classes:"text-big",priority:7}}},get huge(){return{title:"Huge",model:"huge",view:{name:"span",classes:"text-huge",priority:7}}}};function Tw(t){return t.view.priority||(t.view.priority=7),t}class Pw extends Rl{static get pluginName(){return"FontSizeEditing"}constructor(t){super(t),t.config.define("fontSize",{options:["tiny","small","default","big","huge"],supportAllValues:!1})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"fontSize"}),t.model.schema.setAttributeProperties("fontSize",{isFormatting:!0,copyOnEnter:!0});const e=t.config.get("fontSize.supportAllValues"),o=gw("fontSize",Cw(this.editor.config.get("fontSize.options")).filter(t=>t.model));e?this._prepareAnyValueConverters(o):t.conversion.attributeToElement(o),t.commands.add("fontSize",new xw(t))}_prepareAnyValueConverters(t){const e=this.editor,o=t.model.values.filter(t=>!String(t).match(/[\d.]+[\w%]+/));if(o.length)throw new go.b("font-size-invalid-use-of-named-presets: If config.fontSize.supportAllValues is set to true, you need to use numerical values as font size options.",null,{presets:o});e.conversion.for("downcast").attributeToElement({model:"fontSize",view:(t,e)=>{if(t)return e.createAttributeElement("span",{style:"font-size:"+t},{priority:7})}}),e.conversion.for("upcast").attributeToAttribute({model:{key:"fontSize",value:t=>t.getStyle("font-size")},view:{name:"span"}})}}o(114);class Sw extends Rl{init(){const t=this.editor,e=t.t,o=this._getLocalizedOptions(),i=t.commands.get("fontSize");t.ui.componentFactory.add("fontSize",n=>{const r=Vc(n);return Oc(r,function(t,e){const o=new Ao;for(const i of t){const t={type:"button",model:new Zd({commandName:"fontSize",commandParam:i.model,label:i.title,class:"ck-fontsize-option",withText:!0})};i.view&&i.view.styles&&t.model.set("labelStyle","font-size:"+i.view.styles["font-size"]),i.view&&i.view.classes&&t.model.set("class",`${t.model.class} ${i.view.classes}`),t.model.bind("isOn").to(e,"value",t=>t===i.model),o.add(t)}return o}(o,i)),r.buttonView.set({label:e("Font Size"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M9.816 11.5L7.038 4.785 4.261 11.5h5.555zm.62 1.5H3.641l-1.666 4.028H.312l5.789-14h1.875l5.789 14h-1.663L10.436 13zm7.55 2.279l.779-.779.707.707-2.265 2.265-2.193-2.265.707-.707.765.765V4.825c0-.042 0-.083.002-.123l-.77.77-.707-.707L17.207 2.5l2.265 2.265-.707.707-.782-.782c.002.043.003.089.003.135v10.454z"/></svg>',tooltip:!0}),r.extendTemplate({attributes:{class:["ck-font-size-dropdown"]}}),r.bind("isEnabled").to(i),this.listenTo(r,"execute",e=>{t.execute(e.source.commandName,{value:e.source.commandParam}),t.editing.view.focus()}),r})}_getLocalizedOptions(){const t=this.editor,e=t.t,o={Default:e("Default"),Tiny:e("Tiny"),Small:e("Small"),Big:e("Big"),Huge:e("Huge")};return Cw(t.config.get("fontSize").options).map(t=>{const e=o[t.title];return e&&e!=t.title&&(t=Object.assign({},t,{title:e})),t})}}class Ew extends Rl{static get requires(){return[Pw,Sw]}static get pluginName(){return"FontSize"}}class Rw extends dw{constructor(t){super(t,"fontColor")}}class Iw extends Rl{static get pluginName(){return"FontColorEditing"}constructor(t){super(t),t.config.define("fontColor",{colors:[{color:"hsl(0, 0%, 0%)",label:"Black"},{color:"hsl(0, 0%, 30%)",label:"Dim grey"},{color:"hsl(0, 0%, 60%)",label:"Grey"},{color:"hsl(0, 0%, 90%)",label:"Light grey"},{color:"hsl(0, 0%, 100%)",label:"White",hasBorder:!0},{color:"hsl(0, 75%, 60%)",label:"Red"},{color:"hsl(30, 75%, 60%)",label:"Orange"},{color:"hsl(60, 75%, 60%)",label:"Yellow"},{color:"hsl(90, 75%, 60%)",label:"Light green"},{color:"hsl(120, 75%, 60%)",label:"Green"},{color:"hsl(150, 75%, 60%)",label:"Aquamarine"},{color:"hsl(180, 75%, 60%)",label:"Turquoise"},{color:"hsl(210, 75%, 60%)",label:"Light blue"},{color:"hsl(240, 75%, 60%)",label:"Blue"},{color:"hsl(270, 75%, 60%)",label:"Purple"}],columns:5}),t.conversion.for("upcast").elementToAttribute({view:{name:"span",styles:{color:/[\s\S]+/}},model:{key:"fontColor",value:mw("color")}}),t.conversion.for("downcast").attributeToElement({model:"fontColor",view:fw("color")}),t.commands.add("fontColor",new Rw(t)),t.model.schema.extend("$text",{allowAttributes:"fontColor"}),t.model.schema.setAttributeProperties("fontColor",{isFormatting:!0,copyOnEnter:!0})}}class Vw extends Rl{constructor(t,{commandName:e,icon:o,componentName:i,dropdownLabel:n}){super(t),this.commandName=e,this.componentName=i,this.icon=o,this.dropdownLabel=n,this.columns=t.config.get(this.componentName+".columns"),this.colorTableView}init(){const t=this.editor,e=t.locale,o=e.t,i=t.commands.get(this.commandName),n=Ab(e,Tb(t.config.get(this.componentName).colors)),r=t.config.get(this.componentName+".documentColors");t.ui.componentFactory.add(this.componentName,e=>{const s=Vc(e);return this.colorTableView=function({dropdownView:t,colors:e,columns:o,removeButtonLabel:i,documentColorsLabel:n,documentColorsCount:r}){const s=t.locale,a=new uw(s,{colors:e,columns:o,removeButtonLabel:i,documentColorsLabel:n,documentColorsCount:r});return t.colorTableView=a,t.panelView.children.add(a),a.delegate("execute").to(t,"execute"),a}({dropdownView:s,colors:n.map(t=>({label:t.label,color:t.model,options:{hasBorder:t.hasBorder}})),columns:this.columns,removeButtonLabel:o("Remove color"),documentColorsLabel:0!==r?o("Document colors"):void 0,documentColorsCount:void 0===r?this.columns:r}),this.colorTableView.bind("selectedColor").to(i,"value"),s.buttonView.set({label:this.dropdownLabel,icon:this.icon,tooltip:!0}),s.extendTemplate({attributes:{class:"ck-color-ui-dropdown"}}),s.bind("isEnabled").to(i),s.on("execute",(e,o)=>{t.execute(this.commandName,o),t.editing.view.focus()}),s.on("change:isOpen",(e,o,i)=>{s.colorTableView.appendGrids(),i&&(0!==r&&this.colorTableView.updateDocumentColors(t.model,this.componentName),this.colorTableView.updateSelectedColors())}),s})}}class Ow extends Vw{constructor(t){super(t,{commandName:"fontColor",componentName:"fontColor",icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M12.4 10.3L10 4.5l-2.4 5.8h4.8zm.5 1.2H7.1L5.7 15H4.2l5-12h1.6l5 12h-1.5L13 11.5zm3.1 7H4a1 1 0 0 1 0-2h12a1 1 0 0 1 0 2z"/></svg>',dropdownLabel:(0,t.locale.t)("Font Color")})}static get pluginName(){return"FontColorUI"}}class Mw extends Rl{static get requires(){return[Iw,Ow]}static get pluginName(){return"FontColor"}}class Nw extends dw{constructor(t){super(t,"fontBackgroundColor")}}class Bw extends Rl{static get pluginName(){return"FontBackgroundColorEditing"}constructor(t){super(t),t.config.define("fontBackgroundColor",{colors:[{color:"hsl(0, 0%, 0%)",label:"Black"},{color:"hsl(0, 0%, 30%)",label:"Dim grey"},{color:"hsl(0, 0%, 60%)",label:"Grey"},{color:"hsl(0, 0%, 90%)",label:"Light grey"},{color:"hsl(0, 0%, 100%)",label:"White",hasBorder:!0},{color:"hsl(0, 75%, 60%)",label:"Red"},{color:"hsl(30, 75%, 60%)",label:"Orange"},{color:"hsl(60, 75%, 60%)",label:"Yellow"},{color:"hsl(90, 75%, 60%)",label:"Light green"},{color:"hsl(120, 75%, 60%)",label:"Green"},{color:"hsl(150, 75%, 60%)",label:"Aquamarine"},{color:"hsl(180, 75%, 60%)",label:"Turquoise"},{color:"hsl(210, 75%, 60%)",label:"Light blue"},{color:"hsl(240, 75%, 60%)",label:"Blue"},{color:"hsl(270, 75%, 60%)",label:"Purple"}],columns:5}),t.conversion.for("upcast").elementToAttribute({view:{name:"span",styles:{"background-color":/[\s\S]+/}},model:{key:"fontBackgroundColor",value:mw("background-color")}}),t.conversion.for("downcast").attributeToElement({model:"fontBackgroundColor",view:fw("background-color")}),t.commands.add("fontBackgroundColor",new Nw(t)),t.model.schema.extend("$text",{allowAttributes:"fontBackgroundColor"}),t.model.schema.setAttributeProperties("fontBackgroundColor",{isFormatting:!0,copyOnEnter:!0})}}class zw extends Vw{constructor(t){super(t,{commandName:"fontBackgroundColor",componentName:"fontBackgroundColor",icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M4 2h12a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2zm8.38 9.262H7.62L10 5.506l2.38 5.756zm.532 1.285L14.34 16h1.426L10.804 4H9.196L4.234 16H5.66l1.428-3.453h5.824z"/></svg>',dropdownLabel:(0,t.locale.t)("Font Background Color")})}static get pluginName(){return"FontBackgroundColorUI"}}class Fw extends Rl{static get requires(){return[Bw,zw]}static get pluginName(){return"FontBackgroundColor"}}function*Dw(t,e){for(const o of e)o&&t.getAttributeProperties(o[0]).copyOnEnter&&(yield o)}class Lw extends _d{execute(){const t=this.editor.model,e=t.document;t.change(o=>{!function(t,e,o){const i=o.isCollapsed,n=o.getFirstRange(),r=n.start.parent,s=n.end.parent,a=r==s;if(i){const i=Dw(t.schema,o.getAttributes());jw(t,e,n.end),e.removeSelectionAttribute(o.getAttributeKeys()),e.setSelectionAttribute(i)}else{const i=!(n.start.isAtStart&&n.end.isAtEnd);t.deleteContent(o,{leaveUnmerged:i}),a?jw(t,e,o.focus):i&&e.setSelection(s,0)}}(t,o,e.selection),this.fire("afterExecute",{writer:o})})}refresh(){const t=this.editor.model,e=t.document;this.isEnabled=function(t,e){if(e.rangeCount>1)return!1;const o=e.anchor;if(!o||!t.checkChild(o,"softBreak"))return!1;const i=e.getFirstRange(),n=i.start.parent,r=i.end.parent;if((Hw(n,t)||Hw(r,t))&&n!==r)return!1;return!0}(t.schema,e.selection)}}function jw(t,e,o){const i=e.createElement("softBreak");t.insertContent(i,o),e.setSelection(i,"after")}function Hw(t,e){return!t.is("rootElement")&&(e.isLimit(t)||Hw(t.parent,e))}class Ww extends ur{constructor(t){super(t);const e=this.document;e.on("keydown",(t,o)=>{if(this.isEnabled&&o.keyCode==pn.enter){let i;e.once("enter",t=>i=t,{priority:"highest"}),e.fire("enter",new Vr(e,o.domEvent,{isSoft:o.shiftKey})),i&&i.stop.called&&t.stop()}})}observe(){}}class qw extends Rl{static get pluginName(){return"ShiftEnter"}init(){const t=this.editor,e=t.model.schema,o=t.conversion,i=t.editing.view,n=i.document;e.register("softBreak",{allowWhere:"$text",isInline:!0}),o.for("upcast").elementToElement({model:"softBreak",view:"br"}),o.for("downcast").elementToElement({model:"softBreak",view:(t,e)=>e.createEmptyElement("br")}),i.addObserver(Ww),t.commands.add("shiftEnter",new Lw(t)),this.listenTo(n,"enter",(e,o)=>{o.preventDefault(),o.isSoft&&(t.execute("shiftEnter"),i.scrollToTheSelection())},{priority:"low"})}}function Uw(t){const e=t.t,o=t.config.get("codeBlock.languages");for(const t of o)"Plain text"===t.label&&(t.label=e("Plain text")),void 0===t.class&&(t.class="language-"+t.language);return o}function $w(t,e,o){const i={};for(const n of t)"class"===e?i[n[e].split(" ").shift()]=n[o]:i[n[e]]=n[o];return i}function Gw(t){return t.data.match(/^(\s*)/)[0]}function Kw(t,e){const o=t.createDocumentFragment(),i=e.split("\n").map(e=>t.createText(e)),n=i[i.length-1];for(const e of i)t.append(e,o),e!==n&&t.appendElement("softBreak",o);return o}function Jw(t){const e=t.document.selection,o=[];if(e.isCollapsed)o.push(e.anchor);else{const i=e.getFirstRange().getWalker({ignoreElementEnd:!0,direction:"backward"});for(const{item:e}of i)if(e.is("textProxy")&&e.parent.is("codeBlock")){const i=Gw(e.textNode),{parent:n,startOffset:r}=e.textNode,s=t.createPositionAt(n,r+i.length);o.push(s)}}return o}function Yw(t){const e=zd(t.getSelectedBlocks());return e&&e.is("codeBlock")}class Qw extends _d{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor,o=e.model,i=o.document.selection,n=Uw(e)[0],r=Array.from(i.getSelectedBlocks()),s=void 0===t.forceValue?!this.value:t.forceValue,a=t.language||n.language;o.change(t=>{s?this._applyCodeBlock(t,r,a):this._removeCodeBlock(t,r)})}_getValue(){const t=zd(this.editor.model.document.selection.getSelectedBlocks());return!!!(!t||!t.is("codeBlock"))&&t.getAttribute("language")}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,o=zd(t.getSelectedBlocks());return!!o&&Xw(e,o)}_applyCodeBlock(t,e,o){const i=this.editor.model.schema,n=e.filter(t=>Xw(i,t));for(const e of n)t.rename(e,"codeBlock"),t.setAttribute("language",o,e),i.removeDisallowedAttributes([e],t);n.reverse().forEach((e,o)=>{const i=n[o+1];e.previousSibling===i&&(t.appendElement("softBreak",i),t.merge(t.createPositionBefore(e)))})}_removeCodeBlock(t,e){const o=e.filter(t=>t.is("codeBlock"));for(const e of o){const o=t.createRangeOn(e);for(const e of Array.from(o.getItems()).reverse())if(e.is("softBreak")&&e.parent.is("codeBlock")){const{position:o}=t.split(t.createPositionBefore(e));t.rename(o.nodeAfter,"paragraph"),t.removeAttribute("language",o.nodeAfter),t.remove(e)}t.rename(e,"paragraph"),t.removeAttribute("language",e)}}}function Xw(t,e){return!e.is("rootElement")&&!t.isLimit(e)&&t.checkChild(e.parent,"codeBlock")}class Zw extends _d{constructor(t){super(t),this._indentSequence=t.config.get("codeBlock.indentSequence")}refresh(){this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model;t.change(e=>{const o=Jw(t);for(const t of o)e.insertText(this._indentSequence,t)})}_checkEnabled(){return!!this._indentSequence&&Yw(this.editor.model.document.selection)}}class tk extends _d{constructor(t){super(t),this._indentSequence=t.config.get("codeBlock.indentSequence")}refresh(){this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model;t.change(e=>{const o=Jw(t);for(const t of o){const o=ek(this.editor.model,t,this._indentSequence);o&&e.remove(o)}})}_checkEnabled(){if(!this._indentSequence)return!1;const t=this.editor.model;return!!Yw(t.document.selection)&&Jw(t).some(e=>ek(t,e,this._indentSequence))}}function ek(t,e,o){const i=function(t){let e=t.parent.getChild(t.index);e&&!e.is("softBreak")||(e=t.nodeBefore);if(!e||e.is("softBreak"))return null;return e}(e);if(!i)return null;const n=Gw(i),r=n.lastIndexOf(o);if(r+o.length!==n.length)return null;if(-1===r)return null;const{parent:s,startOffset:a}=i;return t.createRange(t.createPositionAt(s,a+r),t.createPositionAt(s,a+r+o.length))}function ok(t,e,o=!1){const i=$w(e,"language","class"),n=$w(e,"language","label");return(e,r,s)=>{const{writer:a,mapper:l,consumable:c}=s;if(!c.consume(r.item,"insert"))return;const d=r.item.getAttribute("language"),h=l.toViewPosition(t.createPositionBefore(r.item)),u={};o&&(u["data-language"]=n[d],u.spellcheck="false");const g=a.createContainerElement("pre",u),m=a.createContainerElement("code",{class:i[d]||null});a.insert(a.createPositionAt(g,0),m),a.insert(h,g),l.bindElements(r.item,m)}}class ik extends Rl{static get pluginName(){return"CodeBlockEditing"}static get requires(){return[qw]}constructor(t){super(t),t.config.define("codeBlock",{languages:[{language:"plaintext",label:"Plain text"},{language:"c",label:"C"},{language:"cs",label:"C#"},{language:"cpp",label:"C++"},{language:"css",label:"CSS"},{language:"diff",label:"Diff"},{language:"html",label:"HTML"},{language:"java",label:"Java"},{language:"javascript",label:"JavaScript"},{language:"php",label:"PHP"},{language:"python",label:"Python"},{language:"ruby",label:"Ruby"},{language:"typescript",label:"TypeScript"},{language:"xml",label:"XML"}],indentSequence:"\t"})}init(){const t=this.editor,e=t.model.schema,o=t.model,i=Uw(t);t.commands.add("codeBlock",new Qw(t)),t.commands.add("indentCodeBlock",new Zw(t)),t.commands.add("outdentCodeBlock",new tk(t));const n=t=>(e,o)=>{this.editor.commands.get(t).isEnabled&&(this.editor.execute(t),o())};t.keystrokes.set("Tab",n("indentCodeBlock")),t.keystrokes.set("Shift+Tab",n("outdentCodeBlock")),e.register("codeBlock",{allowWhere:"$block",isBlock:!0,allowAttributes:["language"]}),e.extend("$text",{allowIn:"codeBlock"}),e.addAttributeCheck(t=>{if(t.endsWith("codeBlock $text"))return!1}),t.editing.downcastDispatcher.on("insert:codeBlock",ok(o,i,!0)),t.data.downcastDispatcher.on("insert:codeBlock",ok(o,i)),t.data.downcastDispatcher.on("insert:softBreak",function(t){return(e,o,i)=>{if("codeBlock"!==o.item.parent.name)return;const{writer:n,mapper:r,consumable:s}=i;if(!s.consume(o.item,"insert"))return;const a=r.toViewPosition(t.createPositionBefore(o.item));n.insert(a,n.createText("\n"))}}(o),{priority:"high"}),t.data.upcastDispatcher.on("element:pre",function(t,e){const o=$w(e,"class","language"),i=e[0].language;return(e,n,r)=>{const s=n.viewItem,a=s.getChild(0);if(!a||!a.is("code"))return;const{consumable:l,writer:c}=r;if(!l.test(s,{name:!0})||!l.test(a,{name:!0}))return;const d=c.createElement("codeBlock"),h=[...a.getClassNames()];h.length||h.push("");for(const t of h){const e=o[t];if(e){c.setAttribute("language",e,d);break}}d.hasAttribute("language")||c.setAttribute("language",i,d);const u=Kw(c,[...t.createRangeIn(a)].filter(t=>"text"===t.type).map(({item:t})=>t.data).join(""));c.append(u,d);const g=r.splitToAllowedParent(d,n.modelCursor);if(!g)return;c.insert(d,g.position),l.consume(s,{name:!0}),l.consume(a,{name:!0});const m=r.getSplitParts(d);n.modelRange=c.createRange(r.writer.createPositionBefore(d),r.writer.createPositionAfter(m[m.length-1])),g.cursorParent?n.modelCursor=c.createPositionAt(g.cursorParent,0):n.modelCursor=n.modelRange.end}}(t.editing.view,i)),this.listenTo(t.editing.view.document,"clipboardInput",(t,e)=>{const i=o.document.selection;if(!i.anchor.parent.is("codeBlock"))return;const n=e.dataTransfer.getData("text/plain");o.change(e=>{o.insertContent(Kw(e,n),i),t.stop()})}),this.listenTo(o,"getSelectedContent",(t,[i])=>{const n=i.anchor;!i.isCollapsed&&n.parent.is("codeBlock")&&n.hasSameParentAs(i.focus)&&o.change(o=>{const r=t.return;if(r.childCount>1||i.containsEntireContent(n.parent)){const e=o.createElement("codeBlock",n.parent.getAttributes());o.append(r,e);const i=o.createDocumentFragment();o.append(e,i),t.return=i}else{const t=r.getChild(0);e.checkAttribute(t,"code")&&o.setAttribute("code",!0,t)}})})}afterInit(){const t=this.editor,e=t.commands,o=e.get("indent"),i=e.get("outdent");o&&o.registerChildCommand(e.get("indentCodeBlock")),i&&i.registerChildCommand(e.get("outdentCodeBlock")),this.listenTo(t.editing.view.document,"enter",(e,o)=>{t.model.document.selection.getLastPosition().parent.is("codeBlock")&&(function(t,e){const o=t.model.document,i=t.editing.view,n=o.selection.getLastPosition(),r=n.nodeAfter;if(e||!o.selection.isCollapsed||!n.isAtStart)return!1;if(!r||!r.is("softBreak"))return!1;return t.model.change(e=>{t.execute("enter");const i=o.selection.anchor.parent.previousSibling;e.rename(i,"paragraph"),e.setSelection(i,"in"),t.model.schema.removeDisallowedAttributes([i],e),e.remove(r)}),i.scrollToTheSelection(),!0}(t,o.isSoft)||function(t,e){const o=t.model,i=o.document,n=t.editing.view,r=i.selection.getLastPosition(),s=r.nodeBefore;let a;if(e||!i.selection.isCollapsed||!r.isAtEnd||!s)return!1;if(s.is("softBreak"))a=o.createRangeOn(s);else{if(!s.is("text")||s.data.match(/\S/)||!s.previousSibling||!s.previousSibling.is("softBreak"))return!1;a=o.createRange(o.createPositionBefore(s.previousSibling),o.createPositionAfter(s))}return t.model.change(e=>{e.remove(a),t.execute("enter");const o=i.selection.anchor.parent;e.rename(o,"paragraph"),t.model.schema.removeDisallowedAttributes([o],e)}),n.scrollToTheSelection(),!0}(t,o.isSoft)||function(t){const e=t.model.document,o=e.selection.getLastPosition(),i=o.nodeBefore||o.textNode;let n;i&&i.is("text")&&(n=Gw(i));t.model.change(o=>{t.execute("shiftEnter"),n&&o.insertText(n,e.selection.anchor)})}(t),o.preventDefault(),e.stop())})}}o(116);class nk extends Rl{init(){const t=this.editor,e=t.t,o=t.ui.componentFactory,i=Uw(t),n=i[0];o.add("codeBlock",o=>{const r=t.commands.get("codeBlock"),s=Vc(o,Bf),a=s.buttonView;return a.set({label:e("Insert code block"),tooltip:!0,icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M12.87 12.61a.75.75 0 0 1-.089.976l-.085.07-3.154 2.254 3.412 2.414a.75.75 0 0 1 .237.95l-.057.095a.75.75 0 0 1-.95.237l-.096-.058-4.272-3.022-.003-1.223 4.01-2.867a.75.75 0 0 1 1.047.174zm2.795-.231l.095.057 4.011 2.867-.003 1.223-4.272 3.022-.095.058a.75.75 0 0 1-.88-.151l-.07-.086-.058-.095a.75.75 0 0 1 .15-.88l.087-.07 3.412-2.414-3.154-2.253-.085-.071a.75.75 0 0 1 .862-1.207zM16 0a2 2 0 0 1 2 2v9.354l-.663-.492-.837-.001V2a.5.5 0 0 0-.5-.5H2a.5.5 0 0 0-.5.5v15a.5.5 0 0 0 .5.5h3.118L7.156 19H2a2 2 0 0 1-2-2V2a2 2 0 0 1 2-2h14zM5.009 15l.003 1H3v-1h2.009zm2.188-2l-1.471 1H5v-1h2.197zM10 11v.095L8.668 12H7v-1h3zm4-2v1H7V9h7zm0-2v1H7V7h7zm-4-2v1H5V5h5zM6 3v1H3V3h3z"/></svg>',isToggleable:!0}),a.bind("isOn").to(r,"value",t=>!!t),a.on("execute",()=>{t.execute("codeBlock",{language:n.language}),t.editing.view.focus()}),s.on("execute",e=>{t.execute("codeBlock",{language:e.source._codeBlockLanguage,forceValue:!0}),t.editing.view.focus()}),s.class="ck-code-block-dropdown",s.bind("isEnabled").to(r),Oc(s,this._getLanguageListItemDefinitions(i)),s})}_getLanguageListItemDefinitions(t){const e=this.editor.commands.get("codeBlock"),o=new Ao;for(const i of t){const t={type:"button",model:new Zd({_codeBlockLanguage:i.language,label:i.label,withText:!0})};t.model.bind("isOn").to(e,"value",e=>e===t.model._codeBlockLanguage),o.add(t)}return o}}class rk extends _d{refresh(){const t=this.editor.model,e=t.document;this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"mention")}execute(t){const e=this.editor.model,o=e.document.selection,i="string"==typeof t.mention?{id:t.mention}:t.mention,n=i.id,r=t.range||o.getFirstRange(),s=t.text||n,a=ak({_text:s,id:n},i);if(1!=t.marker.length)throw new go.b("mentioncommand-incorrect-marker: The marker must be a single character.",this);if(n.charAt(0)!=t.marker)throw new go.b("mentioncommand-incorrect-id: The item id must start with the marker character.",this);e.change(t=>{const i=zo(o.getAttributes()),n=new Map(i.entries());n.set("mention",a),e.insertContent(t.createText(s,n),r),e.insertContent(t.createText(" ",i),r.start.getShiftedBy(s.length))})}}class sk extends Rl{static get pluginName(){return"MentionEditing"}init(){const t=this.editor,e=t.model,o=e.document;e.schema.extend("$text",{allowAttributes:"mention"}),t.conversion.for("upcast").elementToAttribute({view:{name:"span",key:"data-mention",classes:"mention"},model:{key:"mention",value:lk}}),t.conversion.for("downcast").attributeToElement({model:"mention",view:dk}),t.conversion.for("downcast").add(ck),o.registerPostFixer(t=>function(t,e,o){const i=e.differ.getChanges();let n=!1;for(const e of i){const i=e.position;if("$text"==e.name){const e=i.textNode&&i.textNode.nextSibling;n=uk(i.textNode,t)||n,n=uk(e,t)||n,n=uk(i.nodeBefore,t)||n,n=uk(i.nodeAfter,t)||n}if("$text"!=e.name&&"insert"==e.type){const e=i.nodeAfter;for(const o of t.createRangeIn(e).getItems())n=uk(o,t)||n}if("insert"==e.type&&o.isInline(e.name)){const e=i.nodeAfter&&i.nodeAfter.nextSibling;n=uk(i.nodeBefore,t)||n,n=uk(e,t)||n}}return n}(t,o,e.schema)),o.registerPostFixer(t=>function(t,e){const o=e.differ.getChanges();let i=!1;for(const e of o)if("attribute"===e.type&&"mention"!=e.attributeKey){const o=e.range.start.nodeBefore,n=e.range.end.nodeAfter;for(const r of[o,n])hk(r)&&r.getAttribute(e.attributeKey)!=e.attributeNewValue&&(t.setAttribute(e.attributeKey,e.attributeNewValue,r),i=!0)}return i}(t,o)),o.registerPostFixer(t=>function(t,e){const o=e.selection,i=o.focus;if(o.isCollapsed&&o.hasAttribute("mention")&&function(t){const e=t.isAtStart;return t.nodeBefore&&t.nodeBefore.is("text")||e}(i))return t.removeSelectionAttribute("mention"),!0}(t,o)),t.commands.add("mention",new rk(t))}}function ak(t,e){return Object.assign({uid:ho()},t,e||{})}function lk(t,e){const o=t.getAttribute("data-mention"),i=t.getChild(0);if(!i)return;return ak({id:o,_text:i.data},e)}function ck(t){t.on("attribute:mention",(t,e,o)=>{const i=e.attributeNewValue;if(!e.item.is("textProxy")||!i)return;const n=e.range.start;(n.textNode||n.nodeAfter).data!=i._text&&o.consumable.consume(e.item,t.name)},{priority:"highest"})}function dk(t,e){if(!t)return;const o={class:"mention","data-mention":t.id},i={id:t.uid,priority:20};return e.createAttributeElement("span",o,i)}function hk(t){if(!t||!t.is("text")&&!t.is("textProxy")||!t.hasAttribute("mention"))return!1;return t.data!=t.getAttribute("mention")._text}function uk(t,e){return!!hk(t)&&(e.removeAttribute("mention",t),!0)}o(118);class gk extends Pc{constructor(t){super(t),this.extendTemplate({attributes:{class:["ck-mentions"],tabindex:"-1"}})}selectFirst(){this.select(0)}selectNext(){const t=this.selected,e=this.items.getIndex(t);this.select(e+1)}selectPrevious(){const t=this.selected,e=this.items.getIndex(t);this.select(e-1)}select(t){let e=0;t>0&&t<this.items.length?e=t:t<0&&(e=this.items.length-1);const o=this.items.get(e);this.selected!==o&&(this.selected&&this.selected.removeHighlight(),o.highlight(),this.selected=o,this._isItemVisibleInScrolledArea(o)||(this.element.scrollTop=o.element.offsetTop))}executeSelected(){this.selected.fire("execute")}_isItemVisibleInScrolledArea(t){return new Zr(this.element).contains(new Zr(t.element))}}class mk extends Xl{constructor(t,e){super(t),this.template=!1,this.domElement=e,this.domElement.classList.add("ck-button"),this.set("isOn",!1),this.on("change:isOn",(t,e,o)=>{o?(this.domElement.classList.add("ck-on"),this.domElement.classList.remove("ck-off")):(this.domElement.classList.add("ck-off"),this.domElement.classList.remove("ck-on"))}),this.listenTo(this.domElement,"click",()=>{this.fire("execute")})}render(){super.render(),this.element=this.domElement}}class fk extends Sc{highlight(){this.children.first.isOn=!0}removeHighlight(){this.children.first.isOn=!1}}const pk=[pn.arrowup,pn.arrowdown,pn.enter,pn.tab,pn.space,pn.esc];class bk extends Rl{static get pluginName(){return"MentionUI"}static get requires(){return[fc]}constructor(t){super(t),this._mentionsView=this._createMentionView(),this._mentionsConfigurations=new Map,this._requestFeedDebounced=qr(this._requestFeed,100),t.config.define("mention",{feeds:[]})}init(){const t=this.editor;this._balloon=t.plugins.get(fc),t.editing.view.document.on("keydown",(t,e)=>{var o;o=e.keyCode,pk.includes(o)&&this._isUIVisible&&(e.preventDefault(),t.stop(),e.keyCode==pn.arrowdown&&this._mentionsView.selectNext(),e.keyCode==pn.arrowup&&this._mentionsView.selectPrevious(),e.keyCode!=pn.enter&&e.keyCode!=pn.tab&&e.keyCode!=pn.space||this._mentionsView.executeSelected(),e.keyCode==pn.esc&&this._hideUIAndRemoveMarker())},{priority:"highest"}),Ic({emitter:this._mentionsView,activator:()=>this._isUIVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideUIAndRemoveMarker()});const e=t.config.get("mention.feeds");for(const t of e){const e=t.feed,o=t.marker;if(!vk(o))throw new go.b("mentionconfig-incorrect-marker: The marker must be provided and it must be a single character.",null);const i=t.minimumCharacters||0,n="function"==typeof e?e.bind(this.editor):_k(e),r={watcher:this._setupTextWatcherForFeed(o,i),marker:o,feedCallback:n,itemRenderer:t.itemRenderer};this._mentionsConfigurations.set(o,r)}this.on("requestFeed:response",(t,e)=>this._handleFeedResponse(e)),this.on("requestFeed:error",()=>this._hideUIAndRemoveMarker())}destroy(){super.destroy(),this._mentionsView.destroy()}get _isUIVisible(){return this._balloon.visibleView===this._mentionsView}_createMentionView(){const t=this.editor.locale,e=new gk(t);return this._items=new Ao,e.items.bindTo(this._items).using(o=>{const{item:i,marker:n}=o,r=new fk(t),s=this._renderItem(i,n);return s.delegate("execute").to(r),r.children.add(s),r.item=i,r.marker=n,r.on("execute",()=>{e.fire("execute",{item:i,marker:n})}),r}),e.on("execute",(t,e)=>{const o=this.editor,i=o.model,n=e.item,r=e.marker,s=o.model.markers.get("mention"),a=i.createPositionAt(i.document.selection.focus),l=i.createPositionAt(s.getStart()),c=i.createRange(l,a);this._hideUIAndRemoveMarker(),o.execute("mention",{mention:n,text:n.text,marker:r,range:c}),o.editing.view.focus()}),e}_getItemRenderer(t){const{itemRenderer:e}=this._mentionsConfigurations.get(t);return e}_requestFeed(t,e){this._lastRequested=e;const{feedCallback:o}=this._mentionsConfigurations.get(t),i=o(e);i instanceof Promise?i.then(o=>{this._lastRequested==e?this.fire("requestFeed:response",{feed:o,marker:t,feedText:e}):this.fire("requestFeed:discarded",{feed:o,marker:t,feedText:e})}).catch(t=>{this.fire("requestFeed:error",{error:t}),console.warn(Object(go.a)("mention-feed-callback-error: Could not obtain mention autocomplete feed."))}):this.fire("requestFeed:response",{feed:i,marker:t,feedText:e})}_setupTextWatcherForFeed(t,e){const o=this.editor,i=new Zb(o.model,function(t,e){const o=kk(t,e);return t=>o.test(t)}(t,e));i.on("matched",(e,i)=>{const n=o.model.document.selection.focus;if(function(t){const e=t.textNode&&t.textNode.hasAttribute("mention"),o=t.nodeBefore;return e||o&&o.is("text")&&o.hasAttribute("mention")}(n))return void this._hideUIAndRemoveMarker();const r=function(t,e){const o=kk(t,0);return e.match(o)[2]}(t,i.text),s=t.length+r.length,a=n.getShiftedBy(-s),l=n.getShiftedBy(-r.length),c=o.model.createRange(a,l);if(yk(o)){const t=o.model.markers.get("mention");o.model.change(e=>{e.updateMarker(t,{range:c})})}else o.model.change(t=>{t.addMarker("mention",{range:c,usingOperation:!1,affectsData:!1})});this._requestFeedDebounced(t,r)}),i.on("unmatched",()=>{this._hideUIAndRemoveMarker()});const n=o.commands.get("mention");return i.bind("isEnabled").to(n),i}_handleFeedResponse(t){const{feed:e,marker:o}=t;if(!yk(this.editor))return;this._items.clear();for(const t of e){const e="object"!=typeof t?{id:t,text:t}:t;this._items.add({item:e,marker:o})}const i=this.editor.model.markers.get("mention");this._items.length?this._showOrUpdateUI(i):this._hideUIAndRemoveMarker()}_showOrUpdateUI(t){this._isUIVisible?this._balloon.updatePosition(this._getBalloonPanelPositionData(t,this._mentionsView.position)):this._balloon.add({view:this._mentionsView,position:this._getBalloonPanelPositionData(t,this._mentionsView.position),withArrow:!1,singleViewMode:!0}),this._mentionsView.position=this._balloon.view.position,this._mentionsView.selectFirst()}_hideUIAndRemoveMarker(){this._balloon.hasView(this._mentionsView)&&this._balloon.remove(this._mentionsView),yk(this.editor)&&this.editor.model.change(t=>t.removeMarker("mention")),this._mentionsView.position=void 0}_renderItem(t,e){const o=this.editor;let i,n=t.id;const r=this._getItemRenderer(e);if(r){const e=r(t);"string"!=typeof e?i=new mk(o.locale,e):n=e}if(!i){const t=new uc(o.locale);t.label=n,t.withText=!0,i=t}return i}_getBalloonPanelPositionData(t,e){const o=this.editor,i=o.editing,n=i.view.domConverter,r=i.mapper;return{target:()=>{let e=t.getRange();"$graveyard"==e.start.root.rootName&&(e=o.model.document.selection.getFirstRange());const i=r.toViewRange(e);return Zr.getDomRangeRects(n.viewRangeToDom(i)).pop()},limiter:()=>{const t=this.editor.editing.view,e=t.document.selection.editableElement;return e?t.domConverter.mapViewToDom(e.root):null},positions:wk(e)}}}function wk(t){const e={caret_se:t=>({top:t.bottom+3,left:t.right,name:"caret_se"}),caret_ne:(t,e)=>({top:t.top-e.height-3,left:t.right,name:"caret_ne"}),caret_sw:(t,e)=>({top:t.bottom+3,left:t.right-e.width,name:"caret_sw"}),caret_nw:(t,e)=>({top:t.top-e.height-3,left:t.right-e.width,name:"caret_nw"})};return e.hasOwnProperty(t)?[e[t]]:[e.caret_se,e.caret_sw,e.caret_ne,e.caret_nw]}function kk(t,e){const o=0==e?"*":`{${e},}`,i=gn.features.isRegExpUnicodePropertySupported?"\\p{Ps}\\p{Pi}\"'":"\\(\\[{\"'";return new RegExp(`(?:^|[ ${i}])([${t}])([\\S]${o})$`,"u")}function _k(t){return e=>t.filter(t=>("string"==typeof t?t:String(t.id)).toLowerCase().includes(e.toLowerCase())).slice(0,10)}function vk(t){return t&&1==t.length}function yk(t){return t.model.markers.has("mention")}o(120);class xk extends _d{constructor(t){super(t),this._childCommands=[]}refresh(){}execute(...t){this._getFirstEnabledCommand().execute(t)}registerChildCommand(t){this._childCommands.push(t),t.on("change:isEnabled",()=>this._checkEnabled()),this._checkEnabled()}_checkEnabled(){this.isEnabled=!!this._getFirstEnabledCommand()}_getFirstEnabledCommand(){return this._childCommands.find(t=>t.isEnabled)}}class Ck extends Rl{static get pluginName(){return"IndentEditing"}init(){const t=this.editor;t.commands.add("indent",new xk(t)),t.commands.add("outdent",new xk(t))}}var Ak='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm5 6c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM2.75 16.5h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 1 0 0 1.5zM1.632 6.95L5.02 9.358a.4.4 0 0 1-.013.661l-3.39 2.207A.4.4 0 0 1 1 11.892V7.275a.4.4 0 0 1 .632-.326z"/></svg>',Tk='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm5 6c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM2.75 16.5h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 1 0 0 1.5zm1.618-9.55L.98 9.358a.4.4 0 0 0 .013.661l3.39 2.207A.4.4 0 0 0 5 11.892V7.275a.4.4 0 0 0-.632-.326z"/></svg>';class Pk extends Rl{static get pluginName(){return"IndentUI"}init(){const t=this.editor,e=t.locale,o=t.t,i="ltr"==e.uiLanguageDirection?Ak:Tk,n="ltr"==e.uiLanguageDirection?Tk:Ak;this._defineButton("indent",o("Increase indent"),i),this._defineButton("outdent",o("Decrease indent"),n)}_defineButton(t,e,o){const i=this.editor;i.ui.componentFactory.add(t,n=>{const r=i.commands.get(t),s=new uc(n);return s.set({label:e,icon:o,tooltip:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),this.listenTo(s,"execute",()=>{i.execute(t),i.editing.view.focus()}),s})}}class Sk extends _d{constructor(t,e){super(t),this._indentBehavior=e}refresh(){const t=this.editor.model,e=zd(t.document.selection.getSelectedBlocks());e&&t.schema.checkAttribute(e,"blockIndent")?this.isEnabled=this._indentBehavior.checkEnabled(e.getAttribute("blockIndent")):this.isEnabled=!1}execute(){const t=this.editor.model,e=function(t){const e=t.document.selection,o=t.schema;return Array.from(e.getSelectedBlocks()).filter(t=>o.checkAttribute(t,"blockIndent"))}(t);t.change(t=>{for(const o of e){const e=o.getAttribute("blockIndent"),i=this._indentBehavior.getNextIndent(e);i?t.setAttribute("blockIndent",i,o):t.removeAttribute("blockIndent",o)}})}}class Ek{constructor(t){this.isForward="forward"===t.direction,this.offset=t.offset,this.unit=t.unit}checkEnabled(t){const e=parseFloat(t||0);return this.isForward||e>0}getNextIndent(t){const e=parseFloat(t||0);if(!(!t||t.endsWith(this.unit)))return this.isForward?this.offset+this.unit:void 0;const o=e+(this.isForward?this.offset:-this.offset);return o>0?o+this.unit:void 0}}class Rk{constructor(t){this.isForward="forward"===t.direction,this.classes=t.classes}checkEnabled(t){const e=this.classes.indexOf(t);return this.isForward?e<this.classes.length-1:e>=0}getNextIndent(t){const e=this.classes.indexOf(t),o=this.isForward?1:-1;return this.classes[e+o]}}function Ik(t){t.setNormalizer("margin",kp("margin")),t.setNormalizer("margin-top",t=>({path:"margin.top",value:t})),t.setNormalizer("margin-right",t=>({path:"margin.right",value:t})),t.setNormalizer("margin-bottom",t=>({path:"margin.bottom",value:t})),t.setNormalizer("margin-left",t=>({path:"margin.left",value:t})),t.setReducer("margin",bp("margin")),t.setStyleRelation("margin",["margin-top","margin-right","margin-bottom","margin-left"])}class Vk extends _d{execute(){const t=this.editor.model,e=t.schema.getLimitElement(t.document.selection);t.change(t=>{t.setSelection(e,"in")})}}const Ok=wn("Ctrl+A");class Mk extends Rl{static get pluginName(){return"SelectAllEditing"}init(){const t=this.editor,e=t.editing.view.document;t.commands.add("selectAll",new Vk(t)),this.listenTo(e,"keydown",(e,o)=>{bn(o)===Ok&&(t.execute("selectAll"),o.preventDefault())})}}class Nk extends Rl{static get pluginName(){return"SelectAllUI"}init(){const t=this.editor;t.ui.componentFactory.add("selectAll",e=>{const o=t.commands.get("selectAll"),i=new uc(e),n=e.t;return i.set({label:n("Select all"),icon:'<svg width="20" height="20" xmlns="http://www.w3.org/2000/svg"><path d="M.75 15.5a.75.75 0 0 1 .75.75V18l.008.09A.5.5 0 0 0 2 18.5h1.75a.75.75 0 1 1 0 1.5H1.5l-.144-.007a1.5 1.5 0 0 1-1.35-1.349L0 18.5v-2.25a.75.75 0 0 1 .75-.75zm18.5 0a.75.75 0 0 1 .75.75v2.25l-.007.144a1.5 1.5 0 0 1-1.349 1.35L18.5 20h-2.25a.75.75 0 1 1 0-1.5H18a.5.5 0 0 0 .492-.41L18.5 18v-1.75a.75.75 0 0 1 .75-.75zm-10.45 3c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm.45-5.5a.75.75 0 1 1 0 1.5h-8.5a.75.75 0 1 1 0-1.5h8.5zM1.3 11c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5H4.75a.75.75 0 1 1 0-1.5h10.5zM1.3 7c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5h-2.5a.75.75 0 1 1 0-1.5h2.5zm-5 0a.75.75 0 1 1 0 1.5h-5.5a.75.75 0 0 1 0-1.5h5.5zm-6.5-5a.75.75 0 0 1 0 1.5H2a.5.5 0 0 0-.492.41L1.5 2v1.75a.75.75 0 0 1-1.5 0V1.5l.007-.144A1.5 1.5 0 0 1 1.356.006L1.5 0h2.25zM18.5 0l.144.007a1.5 1.5 0 0 1 1.35 1.349L20 1.5v2.25a.75.75 0 1 1-1.5 0V2l-.008-.09A.5.5 0 0 0 18 1.5h-1.75a.75.75 0 1 1 0-1.5h2.25zM8.8 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6z"/></svg>',keystroke:"Ctrl+A",tooltip:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>{t.execute("selectAll"),t.editing.view.focus()}),i})}}class Bk extends Rl{static get requires(){return[Mk,Nk]}static get pluginName(){return"SelectAll"}}class zk extends _d{execute(t){const{model:e}=this.editor,{document:o}=e,{selection:i}=o,{mention:n}=t,r=t.range||i.getFirstRange();if(n.id.startsWith("#")||n.id.startsWith("~"))e.change(t=>{e.insertContent(t.createText(n.id,{}),r),e.insertContent(t.createText(" ",{}),r.start.getShiftedBy(n.id.length))});else if("create"===n.id){const t=this.editor.editing.view.getDomRoot();glob.getComponentByEl(t).createNoteForReferenceLink(n.title).then(t=>{this.insertReference(r,t)})}else this.insertReference(r,t.mention.notePath)}insertReference(t,e){const{model:o}=this.editor;o.change(i=>{o.insertContent(i.createText("",{}),t),this.editor.execute("referenceLink",{notePath:e})})}}class Fk{constructor(t){this.loader=t}upload(){return new Promise((t,e)=>{this._initRequest(),this._initListeners(t,e),this._sendRequest()})}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const t=this.xhr=new XMLHttpRequest,{noteId:e}=glob.getActiveTabNote(),o="api/images?noteId="+e;t.open("POST",o,!0),t.responseType="json";const i=glob.getHeaders();for(const e in i)t.setRequestHeader(e,i[e])}async _initListeners(t,e){const o=this.xhr,i=this.loader,n=`Cannot upload file: ${(await i.file).name}.`;o.addEventListener("error",()=>e(n)),o.addEventListener("abort",()=>e()),o.addEventListener("load",()=>{const i=o.response;if(!i||!i.uploaded)return e(i&&i.error&&i.error.message?i.error.message:n);t({default:i.url})}),o.upload&&o.upload.addEventListener("progress",t=>{t.lengthComputable&&(i.uploadTotal=t.total,i.uploaded=t.loaded)})}async _sendRequest(){const t=new FormData;t.append("upload",await this.loader.file),this.xhr.send(t)}}class Dk extends Rl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("includeNote",o=>{const i=t.commands.get("insertIncludeNote"),n=new uc(o);return n.set({label:e("Include note"),icon:'<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19,3H5C3.897,3,3,3.897,3,5v14c0,1.103,0.897,2,2,2h8c0.131,0,0.26-0.026,0.381-0.076s0.232-0.123,0.326-0.217l7-7 c0.086-0.086,0.147-0.187,0.196-0.293c0.014-0.03,0.022-0.061,0.033-0.093c0.028-0.084,0.046-0.17,0.051-0.259 C20.989,13.041,21,13.021,21,13V5C21,3.897,20.103,3,19,3z M5,5h14v7h-6c-0.553,0-1,0.448-1,1v6H5V5z M14,17.586V14h3.586 L14,17.586z"/></svg>',tooltip:!0}),n.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(n,"execute",()=>t.execute("insertIncludeNote")),n})}}class Lk extends Rl{static get requires(){return[Sh]}init(){this._defineSchema(),this._defineConverters(),this.editor.commands.add("insertIncludeNote",new jk(this.editor))}_defineSchema(){this.editor.model.schema.register("includeNote",{isObject:!0,allowAttributes:["noteId","boxSize"],allowWhere:"$block"})}_defineConverters(){const t=this.editor,e=t.conversion;e.for("upcast").elementToElement({model:(t,e)=>e.createElement("includeNote",{noteId:t.getAttribute("data-note-id"),boxSize:t.getAttribute("data-box-size")}),view:{name:"section",classes:"include-note"}}),e.for("dataDowncast").elementToElement({model:"includeNote",view:(t,e)=>e.createContainerElement("section",{class:"include-note","data-note-id":t.getAttribute("noteId"),"data-box-size":t.getAttribute("boxSize")})}),e.for("editingDowncast").elementToElement({model:"includeNote",view:(e,o)=>{const i=e.getAttribute("noteId"),n=e.getAttribute("boxSize"),r=o.createContainerElement("section",{class:"include-note box-size-"+n,"data-note-id":i,"data-box-size":n}),s=o.createUIElement("div",{class:"include-note-wrapper"},(function(e){const o=this.toDomElement(e),n=t.editing.view.getDomRoot();return glob.getComponentByEl(n).loadIncludedNote(i,$(o)),o}));return o.insert(o.createPositionAt(r,0),s),lh(r,o,{label:"include note widget"})}})}}class jk extends _d{execute(){const t=this.editor.editing.view.getDomRoot();glob.getComponentByEl(t).triggerCommand("addIncludeNoteToText")}refresh(){const t=this.editor.model,e=t.document.selection,o=t.schema.findAllowedParent(e.getFirstPosition(),"includeNote");this.isEnabled=null!==o}}class Hk extends _d{execute({notePath:t}){if(!t||!t.trim())return;const e=this.editor,o=t.split("/").pop();glob.treeCache.getNote(o,!0).then(()=>{e.model.change(o=>{const i=o.createElement("reference",{notePath:t});e.model.insertContent(i),o.setSelection(i,"after")})})}refresh(){const t=this.editor.model,e=t.document.selection;this.isEnabled=t.schema.checkChild(e.focus.parent,"reference")}}class Wk extends Rl{static get requires(){return[Sh]}init(){var t,e;this._defineSchema(),this._defineConverters(),this.editor.commands.add("referenceLink",new Hk(this.editor)),this.editor.editing.mapper.on("viewToModelPosition",(t=this.editor.model,e=t=>t.hasClass("reference-link"),(o,i)=>{const{mapper:n,viewPosition:r}=i,s=n.findMappedViewAncestor(r);if(!e(s))return;const a=n.toModelElement(s);i.modelPosition=t.createPositionAt(a,r.isAtStart?"before":"after")}))}_defineSchema(){this.editor.model.schema.register("reference",{allowWhere:"$text",isInline:!0,isObject:!0,allowAttributes:["notePath"]})}_defineConverters(){const t=this.editor,e=t.conversion;e.for("upcast").elementToElement({view:{name:"a",classes:["reference-link"]},model:(t,e)=>{const o=t.getAttribute("data-note-path");return e.createElement("reference",{notePath:o})}}),e.for("editingDowncast").elementToElement({model:"reference",view:(e,o)=>{const i=e.getAttribute("notePath"),n=o.createContainerElement("a",{href:"#"+i,class:"reference-link","data-note-path":i}),r=o.createUIElement("span",{},(function(e){const o=this.toDomElement(e),n=i.split("/").pop(),r=t.editing.view.getDomRoot();return glob.getComponentByEl(r).loadReferenceLinkTitle(n,$(o)),o}));return o.insert(o.createPositionAt(n,0),r),lh(n,o)}}),e.for("dataDowncast").elementToElement({model:"reference",view:(t,e)=>{const o=t.getAttribute("notePath"),i=e.createContainerElement("a",{href:"#"+o,class:"reference-link","data-note-path":o}),n=o.split("/").pop(),r=glob.treeCache.getNoteFromCache(n);if(r){const t=e.createText(r.title);e.insert(e.createPositionAt(i,0),t)}return i}})}}class qk extends _d{execute(){const t=this.editor.model,e=t.document;t.change(o=>{!function(t,e,o,i){const n=o.isCollapsed,r=o.getFirstRange(),s=r.start.parent,a=r.end.parent;if(i.isLimit(s)||i.isLimit(a))return void(n||s!=a||t.deleteContent(o));if(n){const t=Dw(e.model.schema,o.getAttributes());Uk(e,r.start),e.setSelectionAttribute(t)}else{const i=!(r.start.isAtStart&&r.end.isAtEnd),n=s==a;t.deleteContent(o,{leaveUnmerged:i}),i&&(n?Uk(e,o.focus):e.setSelection(a,0))}}(this.editor.model,o,e.selection,t.schema),this.fire("afterExecute",{writer:o})})}}function Uk(t,e){t.split(e),t.setSelection(e.parent.nextSibling,0)}class $k{constructor(t,e=20){this.model=t,this.size=0,this.limit=e,this.isLocked=!1,this._changeCallback=(t,e)=>{"transparent"!=e.type&&e!==this._batch&&this._reset(!0)},this._selectionChangeCallback=()=>{this._reset()},this.model.document.on("change",this._changeCallback),this.model.document.selection.on("change:range",this._selectionChangeCallback),this.model.document.selection.on("change:attribute",this._selectionChangeCallback)}get batch(){return this._batch||(this._batch=this.model.createBatch()),this._batch}input(t){this.size+=t,this.size>=this.limit&&this._reset(!0)}lock(){this.isLocked=!0}unlock(){this.isLocked=!1}destroy(){this.model.document.off("change",this._changeCallback),this.model.document.selection.off("change:range",this._selectionChangeCallback),this.model.document.selection.off("change:attribute",this._selectionChangeCallback)}_reset(t){this.isLocked&&!t||(this._batch=null,this.size=0)}}class Gk extends _d{constructor(t,e){super(t),this._buffer=new $k(t.model,e),this._batches=new WeakSet}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(t={}){const e=this.editor.model,o=e.document,i=t.text||"",n=i.length,r=t.range?e.createSelection(t.range):o.selection,s=t.resultRange;e.enqueueChange(this._buffer.batch,t=>{this._buffer.lock(),e.deleteContent(r),i&&e.insertContent(t.createText(i,o.selection.getAttributes()),r),s?t.setSelection(s):r.is("documentSelection")||t.setSelection(r),this._buffer.unlock(),this._buffer.input(n),this._batches.add(this._buffer.batch)})}}function Kk(t){let e=null;const o=t.model,i=t.editing.view,n=t.commands.get("input");function r(t){const r=o.document,a=i.document.isComposing,l=e&&e.isEqual(r.selection);e=null,n.isEnabled&&(function(t){if(t.ctrlKey)return!0;return Jk.includes(t.keyCode)}(t)||r.selection.isCollapsed||a&&229===t.keyCode||!a&&229===t.keyCode&&l||s())}function s(){const t=n.buffer;t.lock(),o.enqueueChange(t.batch,()=>{o.deleteContent(o.document.selection)}),t.unlock()}gn.isAndroid?i.document.on("beforeinput",(t,e)=>r(e),{priority:"lowest"}):i.document.on("keydown",(t,e)=>r(e),{priority:"lowest"}),i.document.on("compositionstart",(function(){const t=o.document,e=1!==t.selection.rangeCount||t.selection.getFirstRange().isFlat;if(t.selection.isCollapsed||e)return;s()}),{priority:"lowest"}),i.document.on("compositionend",()=>{e=o.createSelection(o.document.selection)},{priority:"lowest"})}const Jk=[bn("arrowUp"),bn("arrowRight"),bn("arrowDown"),bn("arrowLeft"),9,16,17,18,19,20,27,33,34,35,36,45,91,93,144,145,173,174,175,176,177,178,179,255];for(let t=112;t<=135;t++)Jk.push(t);function Yk(t){if(t.newChildren.length-t.oldChildren.length!=1)return;const e=function(t,e){const o=[];let i,n=0;return t.forEach(t=>{"equal"==t?(r(),n++):"insert"==t?(s("insert")?i.values.push(e[n]):(r(),i={type:"insert",index:n,values:[e[n]]}),n++):s("delete")?i.howMany++:(r(),i={type:"delete",index:n,howMany:1})}),r(),o;function r(){i&&(o.push(i),i=null)}function s(t){return i&&i.type==t}}($n(t.oldChildren,t.newChildren,Qk),t.newChildren);if(e.length>1)return;const o=e[0];return o.values[0]&&o.values[0].is("text")?o:void 0}function Qk(t,e){return t&&t.is("text")&&e&&e.is("text")?t.data===e.data:t===e}class Xk{constructor(t){this.editor=t,this.editing=this.editor.editing}handle(t,e){if(function(t){if(0==t.length)return!1;for(const e of t)if("children"===e.type&&!Yk(e))return!0;return!1}(t))this._handleContainerChildrenMutations(t,e);else for(const o of t)this._handleTextMutation(o,e),this._handleTextNodeInsertion(o)}_handleContainerChildrenMutations(t,e){const o=function(t){const e=t.map(t=>t.node).reduce((t,e)=>t.getCommonAncestor(e,{includeSelf:!0}));if(!e)return;return e.getAncestors({includeSelf:!0,parentFirst:!0}).find(t=>t.is("containerElement")||t.is("rootElement"))}(t);if(!o)return;const i=this.editor.editing.view.domConverter.mapViewToDom(o),n=new nr(this.editor.editing.view.document),r=this.editor.data.toModel(n.domToView(i)).getChild(0),s=this.editor.editing.mapper.toModelElement(o);if(!s)return;const a=Array.from(r.getChildren()),l=Array.from(s.getChildren()),c=a[a.length-1],d=l[l.length-1];c&&c.is("softBreak")&&d&&!d.is("softBreak")&&a.pop();const h=this.editor.model.schema;if(!Zk(a,h)||!Zk(l,h))return;const u=a.map(t=>t.is("text")?t.data:"@").join("").replace(/\u00A0/g," "),g=l.map(t=>t.is("text")?t.data:"@").join("").replace(/\u00A0/g," ");if(g===u)return;const m=$n(g,u),{firstChangeAt:f,insertions:p,deletions:b}=t_(m);let w=null;e&&(w=this.editing.mapper.toModelRange(e.getFirstRange()));const k=u.substr(f,p),_=this.editor.model.createRange(this.editor.model.createPositionAt(s,f),this.editor.model.createPositionAt(s,f+b));this.editor.execute("input",{text:k,range:_,resultRange:w})}_handleTextMutation(t,e){if("text"!=t.type)return;const o=t.newText.replace(/\u00A0/g," "),i=t.oldText.replace(/\u00A0/g," ");if(i===o)return;const n=$n(i,o),{firstChangeAt:r,insertions:s,deletions:a}=t_(n);let l=null;e&&(l=this.editing.mapper.toModelRange(e.getFirstRange()));const c=this.editing.view.createPositionAt(t.node,r),d=this.editing.mapper.toModelPosition(c),h=this.editor.model.createRange(d,d.getShiftedBy(a)),u=o.substr(r,s);this.editor.execute("input",{text:u,range:h,resultRange:l})}_handleTextNodeInsertion(t){if("children"!=t.type)return;const e=Yk(t),o=this.editing.view.createPositionAt(t.node,e.index),i=this.editing.mapper.toModelPosition(o),n=e.values[0].data;this.editor.execute("input",{text:n.replace(/\u00A0/g," "),range:this.editor.model.createRange(i)})}}function Zk(t,e){return t.every(t=>e.isInline(t))}function t_(t){let e=null,o=null;for(let i=0;i<t.length;i++){"equal"!=t[i]&&(e=null===e?i:e,o=i)}let i=0,n=0;for(let r=e;r<=o;r++)"insert"!=t[r]&&i++,"delete"!=t[r]&&n++;return{insertions:n,deletions:i,firstChangeAt:e}}class e_ extends Rl{static get pluginName(){return"Input"}init(){const t=this.editor,e=new Gk(t,t.config.get("typing.undoStep")||20);t.commands.add("input",e),Kk(t),function(t){t.editing.view.document.on("mutations",(e,o,i)=>{new Xk(t).handle(o,i)})}(t)}isInput(t){return this.editor.commands.get("input")._batches.has(t)}}class o_ extends _d{constructor(t,e){super(t),this.direction=e,this._buffer=new $k(t.model,t.config.get("typing.undoStep"))}get buffer(){return this._buffer}execute(t={}){const e=this.editor.model,o=e.document;e.enqueueChange(this._buffer.batch,i=>{this._buffer.lock();const n=i.createSelection(t.selection||o.selection),r=n.isCollapsed;if(n.isCollapsed&&e.modifySelection(n,{direction:this.direction,unit:t.unit}),this._shouldEntireContentBeReplacedWithParagraph(t.sequence||1))return void this._replaceEntireContentWithParagraph(i);if(n.isCollapsed)return;let s=0;n.getFirstRange().getMinimalFlatRanges().forEach(t=>{s+=on(t.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))}),e.deleteContent(n,{doNotResetEntireContent:r,direction:this.direction}),this._buffer.input(s),i.setSelection(n),this._buffer.unlock()})}_shouldEntireContentBeReplacedWithParagraph(t){if(t>1)return!1;const e=this.editor.model,o=e.document.selection,i=e.schema.getLimitElement(o);if(!(o.isCollapsed&&o.containsEntireContent(i)))return!1;if(!e.schema.checkChild(i,"paragraph"))return!1;const n=i.getChild(0);return!n||"paragraph"!==n.name}_replaceEntireContentWithParagraph(t){const e=this.editor.model,o=e.document.selection,i=e.schema.getLimitElement(o),n=t.createElement("paragraph");t.remove(t.createRangeIn(i)),t.insert(n,i),t.setSelection(n,0)}}class i_ extends ur{constructor(t){super(t);const e=t.document;let o=0;function i(t,o,i){let n;e.once("delete",t=>n=t,{priority:Number.POSITIVE_INFINITY}),e.fire("delete",new Vr(e,o,i)),n&&n.stop.called&&t.stop()}e.on("keyup",(t,e)=>{e.keyCode!=pn.delete&&e.keyCode!=pn.backspace||(o=0)}),e.on("keydown",(t,e)=>{const n={};if(e.keyCode==pn.delete)n.direction="forward",n.unit="character";else{if(e.keyCode!=pn.backspace)return;n.direction="backward",n.unit="codePoint"}const r=gn.isMac?e.altKey:e.ctrlKey;n.unit=r?"word":n.unit,n.sequence=++o,i(t,e.domEvent,n)}),gn.isAndroid&&e.on("beforeinput",(e,o)=>{if("deleteContentBackward"!=o.domEvent.inputType)return;const n={unit:"codepoint",direction:"backward",sequence:1},r=o.domTarget.ownerDocument.defaultView.getSelection();r.anchorNode==r.focusNode&&r.anchorOffset+1!=r.focusOffset&&(n.selectionToRemove=t.domConverter.domSelectionToView(r)),i(e,o.domEvent,n)})}observe(){}}class n_ extends Rl{static get pluginName(){return"Delete"}init(){const t=this.editor,e=t.editing.view,o=e.document;if(e.addObserver(i_),t.commands.add("forwardDelete",new o_(t,"forward")),t.commands.add("delete",new o_(t,"backward")),this.listenTo(o,"delete",(o,i)=>{const n={unit:i.unit,sequence:i.sequence};if(i.selectionToRemove){const e=t.model.createSelection(),o=[];for(const e of i.selectionToRemove.getRanges())o.push(t.editing.mapper.toModelRange(e));e.setTo(o),n.selection=e}t.execute("forward"==i.direction?"forwardDelete":"delete",n),i.preventDefault(),e.scrollToTheSelection()}),gn.isAndroid){let t=null;this.listenTo(o,"delete",(e,o)=>{const i=o.domTarget.ownerDocument.defaultView.getSelection();t={anchorNode:i.anchorNode,anchorOffset:i.anchorOffset,focusNode:i.focusNode,focusOffset:i.focusOffset}},{priority:"lowest"}),this.listenTo(o,"keyup",(e,o)=>{if(t){const e=o.domTarget.ownerDocument.defaultView.getSelection();e.collapse(t.anchorNode,t.anchorOffset),e.extend(t.focusNode,t.focusOffset),t=null}})}}}const r_=new Map;function s_(t,e,o){let i=r_.get(t);i||(i=new Map,r_.set(t,i)),i.set(e,o)}function a_(t){return[t]}function l_(t,e,o={}){const i=function(t,e){const o=r_.get(t);return o&&o.has(e)?o.get(e):a_}(t.constructor,e.constructor);try{return i(t=t.clone(),e,o)}catch(t){throw t}}function c_(t,e,o){t=t.slice(),e=e.slice();const i=new d_(o.document,o.useRelations,o.forceWeakRemove);i.setOriginalOperations(t),i.setOriginalOperations(e);const n=i.originalOperations;if(0==t.length||0==e.length)return{operationsA:t,operationsB:e,originalOperations:n};const r=new WeakMap;for(const e of t)r.set(e,0);const s={nextBaseVersionA:t[t.length-1].baseVersion+1,nextBaseVersionB:e[e.length-1].baseVersion+1,originalOperationsACount:t.length,originalOperationsBCount:e.length};let a=0;for(;a<t.length;){const o=t[a],n=r.get(o);if(n==e.length){a++;continue}const s=e[n],l=l_(o,s,i.getContext(o,s,!0)),c=l_(s,o,i.getContext(s,o,!1));i.updateRelation(o,s),i.setOriginalOperations(l,o),i.setOriginalOperations(c,s);for(const t of l)r.set(t,n+c.length);t.splice(a,1,...l),e.splice(n,1,...c)}if(o.padWithNoOps){const o=t.length-s.originalOperationsACount,i=e.length-s.originalOperationsBCount;u_(t,i-o),u_(e,o-i)}return h_(t,s.nextBaseVersionB),h_(e,s.nextBaseVersionA),{operationsA:t,operationsB:e,originalOperations:n}}class d_{constructor(t,e,o=!1){this.originalOperations=new Map,this._history=t.history,this._useRelations=e,this._forceWeakRemove=!!o,this._relations=new Map}setOriginalOperations(t,e=null){const o=e?this.originalOperations.get(e):null;for(const e of t)this.originalOperations.set(e,o||e)}updateRelation(t,e){switch(t.constructor){case Na:switch(e.constructor){case La:t.targetPosition.isEqual(e.sourcePosition)||e.movedRange.containsPosition(t.targetPosition)?this._setRelation(t,e,"insertAtSource"):t.targetPosition.isEqual(e.deletionPosition)?this._setRelation(t,e,"insertBetween"):t.targetPosition.isAfter(e.sourcePosition)&&this._setRelation(t,e,"moveTargetAfter");break;case Na:t.targetPosition.isEqual(e.sourcePosition)||t.targetPosition.isBefore(e.sourcePosition)?this._setRelation(t,e,"insertBefore"):this._setRelation(t,e,"insertAfter")}break;case ja:switch(e.constructor){case La:t.splitPosition.isBefore(e.sourcePosition)&&this._setRelation(t,e,"splitBefore");break;case Na:(t.splitPosition.isEqual(e.sourcePosition)||t.splitPosition.isBefore(e.sourcePosition))&&this._setRelation(t,e,"splitBefore")}break;case La:switch(e.constructor){case La:t.targetPosition.isEqual(e.sourcePosition)||this._setRelation(t,e,"mergeTargetNotMoved"),t.sourcePosition.isEqual(e.targetPosition)&&this._setRelation(t,e,"mergeSourceNotMoved"),t.sourcePosition.isEqual(e.sourcePosition)&&this._setRelation(t,e,"mergeSameElement");break;case ja:t.sourcePosition.isEqual(e.splitPosition)&&this._setRelation(t,e,"splitAtSource")}break;case za:{const o=t.newRange;if(!o)return;switch(e.constructor){case Na:{const i=Cs._createFromPositionAndShift(e.sourcePosition,e.howMany),n=i.containsPosition(o.start)||i.start.isEqual(o.start),r=i.containsPosition(o.end)||i.end.isEqual(o.end);!n&&!r||i.containsRange(o)||this._setRelation(t,e,{side:n?"left":"right",path:n?o.start.path.slice():o.end.path.slice()});break}case La:{const i=o.start.isEqual(e.targetPosition),n=o.start.isEqual(e.deletionPosition),r=o.end.isEqual(e.deletionPosition),s=o.end.isEqual(e.sourcePosition);(i||n||r||s)&&this._setRelation(t,e,{wasInLeftElement:i,wasStartBeforeMergedElement:n,wasEndBeforeMergedElement:r,wasInRightElement:s});break}}break}}}getContext(t,e,o){return{aIsStrong:o,aWasUndone:this._wasUndone(t),bWasUndone:this._wasUndone(e),abRelation:this._useRelations?this._getRelation(t,e):null,baRelation:this._useRelations?this._getRelation(e,t):null,forceWeakRemove:this._forceWeakRemove}}_wasUndone(t){const e=this.originalOperations.get(t);return e.wasUndone||this._history.isUndoneOperation(e)}_getRelation(t,e){const o=this.originalOperations.get(e),i=this._history.getUndoneOperation(o);if(!i)return null;const n=this.originalOperations.get(t),r=this._relations.get(n);return r&&r.get(i)||null}_setRelation(t,e,o){const i=this.originalOperations.get(t),n=this.originalOperations.get(e);let r=this._relations.get(i);r||(r=new Map,this._relations.set(i,r)),r.set(n,o)}}function h_(t,e){for(const o of t)o.baseVersion=e++}function u_(t,e){for(let o=0;o<e;o++)t.push(new sl(0))}function g_(t,e,o){const i=t.nodes.getNode(0).getAttribute(e);if(i==o)return null;const n=new Cs(t.position,t.position.getShiftedBy(t.howMany));return new Oa(n,e,i,o,0)}function m_(t,e){return null===t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)}function f_(t,e){const o=[];for(let i=0;i<t.length;i++){const n=t[i],r=new Na(n.start,n.end.offset-n.start.offset,e,0);o.push(r);for(let e=i+1;e<t.length;e++)t[e]=t[e]._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)[0];e=e._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)}return o}s_(Oa,Oa,(t,e,o)=>{if(t.key===e.key&&t.range.start.hasSameParentAs(e.range.start)){const i=t.range.getDifference(e.range).map(e=>new Oa(e,t.key,t.oldValue,t.newValue,0)),n=t.range.getIntersection(e.range);return n&&o.aIsStrong&&i.push(new Oa(n,e.key,e.newValue,t.newValue,0)),0==i.length?[new sl(0)]:i}return[t]}),s_(Oa,Ba,(t,e)=>{if(t.range.start.hasSameParentAs(e.position)&&t.range.containsPosition(e.position)){const o=t.range._getTransformedByInsertion(e.position,e.howMany,!e.shouldReceiveAttributes).map(e=>new Oa(e,t.key,t.oldValue,t.newValue,t.baseVersion));if(e.shouldReceiveAttributes){const i=g_(e,t.key,t.oldValue);i&&o.unshift(i)}return o}return t.range=t.range._getTransformedByInsertion(e.position,e.howMany,!1)[0],[t]}),s_(Oa,La,(t,e)=>{const o=[];t.range.start.hasSameParentAs(e.deletionPosition)&&(t.range.containsPosition(e.deletionPosition)||t.range.start.isEqual(e.deletionPosition))&&o.push(Cs._createFromPositionAndShift(e.graveyardPosition,1));const i=t.range._getTransformedByMergeOperation(e);return i.isCollapsed||o.push(i),o.map(e=>new Oa(e,t.key,t.oldValue,t.newValue,t.baseVersion))}),s_(Oa,Na,(t,e)=>function(t,e){const o=Cs._createFromPositionAndShift(e.sourcePosition,e.howMany);let i=null,n=[];o.containsRange(t,!0)?i=t:t.start.hasSameParentAs(o.start)?(n=t.getDifference(o),i=t.getIntersection(o)):n=[t];const r=[];for(let t of n){t=t._getTransformedByDeletion(e.sourcePosition,e.howMany);const o=e.getMovedRangeStart(),i=t.start.hasSameParentAs(o);t=t._getTransformedByInsertion(o,e.howMany,i),r.push(...t)}i&&r.push(i._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany,!1)[0]);return r}(t.range,e).map(e=>new Oa(e,t.key,t.oldValue,t.newValue,t.baseVersion))),s_(Oa,ja,(t,e)=>{if(t.range.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.range.end.offset++,[t];if(t.range.start.hasSameParentAs(e.splitPosition)&&t.range.containsPosition(e.splitPosition)){const o=t.clone();return o.range=new Cs(e.moveTargetPosition.clone(),t.range.end._getCombined(e.splitPosition,e.moveTargetPosition)),t.range.end=e.splitPosition.clone(),t.range.end.stickiness="toPrevious",[t,o]}return t.range=t.range._getTransformedBySplitOperation(e),[t]}),s_(Ba,Oa,(t,e)=>{const o=[t];if(t.shouldReceiveAttributes&&t.position.hasSameParentAs(e.range.start)&&e.range.containsPosition(t.position)){const i=g_(t,e.key,e.newValue);i&&o.push(i)}return o}),s_(Ba,Ba,(t,e,o)=>(t.position.isEqual(e.position)&&o.aIsStrong||(t.position=t.position._getTransformedByInsertOperation(e)),[t])),s_(Ba,Na,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),s_(Ba,ja,(t,e)=>(t.position=t.position._getTransformedBySplitOperation(e),[t])),s_(Ba,La,(t,e)=>(t.position=t.position._getTransformedByMergeOperation(e),[t])),s_(za,Ba,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByInsertOperation(e)[0]),t.newRange&&(t.newRange=t.newRange._getTransformedByInsertOperation(e)[0]),[t])),s_(za,za,(t,e,o)=>{if(t.name==e.name){if(!o.aIsStrong)return[new sl(0)];t.oldRange=e.newRange?e.newRange.clone():null}return[t]}),s_(za,La,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByMergeOperation(e)),t.newRange&&(t.newRange=t.newRange._getTransformedByMergeOperation(e)),[t])),s_(za,Na,(t,e,o)=>{if(t.oldRange&&(t.oldRange=Cs._createFromRanges(t.oldRange._getTransformedByMoveOperation(e))),t.newRange){if(o.abRelation){const i=Cs._createFromRanges(t.newRange._getTransformedByMoveOperation(e));if("left"==o.abRelation.side&&e.targetPosition.isEqual(t.newRange.start))return t.newRange.start.path=o.abRelation.path,t.newRange.end=i.end,[t];if("right"==o.abRelation.side&&e.targetPosition.isEqual(t.newRange.end))return t.newRange.start=i.start,t.newRange.end.path=o.abRelation.path,[t]}t.newRange=Cs._createFromRanges(t.newRange._getTransformedByMoveOperation(e))}return[t]}),s_(za,ja,(t,e,o)=>{if(t.oldRange&&(t.oldRange=t.oldRange._getTransformedBySplitOperation(e)),t.newRange){if(o.abRelation){const i=t.newRange._getTransformedBySplitOperation(e);return t.newRange.start.isEqual(e.splitPosition)&&o.abRelation.wasStartBeforeMergedElement?t.newRange.start=_s._createAt(e.insertionPosition):t.newRange.start.isEqual(e.splitPosition)&&!o.abRelation.wasInLeftElement&&(t.newRange.start=_s._createAt(e.moveTargetPosition)),t.newRange.end.isEqual(e.splitPosition)&&o.abRelation.wasInRightElement?t.newRange.end=_s._createAt(e.moveTargetPosition):t.newRange.end.isEqual(e.splitPosition)&&o.abRelation.wasEndBeforeMergedElement?t.newRange.end=_s._createAt(e.insertionPosition):t.newRange.end=i.end,[t]}t.newRange=t.newRange._getTransformedBySplitOperation(e)}return[t]}),s_(La,Ba,(t,e)=>(t.sourcePosition.hasSameParentAs(e.position)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByInsertOperation(e),t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e),[t])),s_(La,La,(t,e,o)=>{if(t.sourcePosition.isEqual(e.sourcePosition)&&t.targetPosition.isEqual(e.targetPosition)){if(o.bWasUndone){const o=e.graveyardPosition.path.slice();return o.push(0),t.sourcePosition=new _s(e.graveyardPosition.root,o),t.howMany=0,[t]}return[new sl(0)]}if(t.sourcePosition.isEqual(e.sourcePosition)&&!t.targetPosition.isEqual(e.targetPosition)&&!o.bWasUndone&&"splitAtSource"!=o.abRelation){const i="$graveyard"==t.targetPosition.root.rootName,n="$graveyard"==e.targetPosition.root.rootName,r=i&&!n;if(n&&!i||!r&&o.aIsStrong){const o=e.targetPosition._getTransformedByMergeOperation(e),i=t.targetPosition._getTransformedByMergeOperation(e);return[new Na(o,t.howMany,i,0)]}return[new sl(0)]}return t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMergeOperation(e),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),t.graveyardPosition.isEqual(e.graveyardPosition)&&o.aIsStrong||(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),s_(La,Na,(t,e,o)=>{const i=Cs._createFromPositionAndShift(e.sourcePosition,e.howMany);return"remove"==e.type&&!o.bWasUndone&&!o.forceWeakRemove&&t.deletionPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.sourcePosition)?[new sl(0)]:(t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition.hasSameParentAs(e.sourcePosition)&&(t.howMany-=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMoveOperation(e),t.targetPosition=t.targetPosition._getTransformedByMoveOperation(e),t.graveyardPosition.isEqual(e.targetPosition)||(t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)),[t])}),s_(La,ja,(t,e,o)=>{if(e.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByDeletion(e.graveyardPosition,1),t.deletionPosition.isEqual(e.graveyardPosition)&&(t.howMany=e.howMany)),t.targetPosition.isEqual(e.splitPosition)){const i=0!=e.howMany,n=e.graveyardPosition&&t.deletionPosition.isEqual(e.graveyardPosition);if(i||n||"mergeTargetNotMoved"==o.abRelation)return t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),[t]}if(t.sourcePosition.isEqual(e.splitPosition)){if("mergeSourceNotMoved"==o.abRelation)return t.howMany=0,t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t];if("mergeSameElement"==o.abRelation||t.sourcePosition.offset>0)return t.sourcePosition=e.moveTargetPosition.clone(),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]}return t.sourcePosition.hasSameParentAs(e.splitPosition)&&(t.howMany=e.splitPosition.offset),t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]}),s_(Na,Ba,(t,e)=>{const o=Cs._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByInsertOperation(e,!1)[0];return t.sourcePosition=o.start,t.howMany=o.end.offset-o.start.offset,t.targetPosition.isEqual(e.position)||(t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e)),[t]}),s_(Na,Na,(t,e,o)=>{const i=Cs._createFromPositionAndShift(t.sourcePosition,t.howMany),n=Cs._createFromPositionAndShift(e.sourcePosition,e.howMany);let r,s=o.aIsStrong,a=!o.aIsStrong;if("insertBefore"==o.abRelation||"insertAfter"==o.baRelation?a=!0:"insertAfter"!=o.abRelation&&"insertBefore"!=o.baRelation||(a=!1),r=t.targetPosition.isEqual(e.targetPosition)&&a?t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany):t.targetPosition._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),m_(t,e)&&m_(e,t))return[e.getReversed()];if(i.containsPosition(e.targetPosition)&&i.containsRange(n,!0))return i.start=i.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),i.end=i.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),f_([i],r);if(n.containsPosition(t.targetPosition)&&n.containsRange(i,!0))return i.start=i.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),i.end=i.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),f_([i],r);const l=Vo(t.sourcePosition.getParentPath(),e.sourcePosition.getParentPath());if("prefix"==l||"extension"==l)return i.start=i.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),i.end=i.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),f_([i],r);"remove"!=t.type||"remove"==e.type||o.aWasUndone||o.forceWeakRemove?"remove"==t.type||"remove"!=e.type||o.bWasUndone||o.forceWeakRemove||(s=!1):s=!0;const c=[],d=i.getDifference(n);for(const t of d){t.start=t.start._getTransformedByDeletion(e.sourcePosition,e.howMany),t.end=t.end._getTransformedByDeletion(e.sourcePosition,e.howMany);const o="same"==Vo(t.start.getParentPath(),e.getMovedRangeStart().getParentPath()),i=t._getTransformedByInsertion(e.getMovedRangeStart(),e.howMany,o);c.push(...i)}const h=i.getIntersection(n);return null!==h&&s&&(h.start=h.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),h.end=h.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),0===c.length?c.push(h):1==c.length?n.start.isBefore(i.start)||n.start.isEqual(i.start)?c.unshift(h):c.push(h):c.splice(1,0,h)),0===c.length?[new sl(t.baseVersion)]:f_(c,r)}),s_(Na,ja,(t,e,o)=>{let i=t.targetPosition.clone();t.targetPosition.isEqual(e.insertionPosition)&&e.graveyardPosition&&"moveTargetAfter"!=o.abRelation||(i=t.targetPosition._getTransformedBySplitOperation(e));const n=Cs._createFromPositionAndShift(t.sourcePosition,t.howMany);if(n.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.howMany++,t.targetPosition=i,[t];if(n.start.hasSameParentAs(e.splitPosition)&&n.containsPosition(e.splitPosition)){let t=new Cs(e.splitPosition,n.end);t=t._getTransformedBySplitOperation(e);return f_([new Cs(n.start,e.splitPosition),t],i)}t.targetPosition.isEqual(e.splitPosition)&&"insertAtSource"==o.abRelation&&(i=e.moveTargetPosition),t.targetPosition.isEqual(e.insertionPosition)&&"insertBetween"==o.abRelation&&(i=t.targetPosition);const r=[n._getTransformedBySplitOperation(e)];if(e.graveyardPosition){const i=n.start.isEqual(e.graveyardPosition)||n.containsPosition(e.graveyardPosition);t.howMany>1&&i&&!o.aWasUndone&&r.push(Cs._createFromPositionAndShift(e.insertionPosition,1))}return f_(r,i)}),s_(Na,La,(t,e,o)=>{const i=Cs._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.deletionPosition.hasSameParentAs(t.sourcePosition)&&i.containsPosition(e.sourcePosition))if("remove"!=t.type||o.forceWeakRemove){if(1==t.howMany)return o.bWasUndone?(t.sourcePosition=e.graveyardPosition.clone(),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]):[new sl(0)]}else if(!o.aWasUndone){const o=[];let i=e.graveyardPosition.clone(),n=e.targetPosition._getTransformedByMergeOperation(e);t.howMany>1&&(o.push(new Na(t.sourcePosition,t.howMany-1,t.targetPosition,0)),i=i._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1),n=n._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1));const r=e.deletionPosition._getCombined(t.sourcePosition,t.targetPosition),s=new Na(i,1,r,0),a=s.getMovedRangeStart().path.slice();a.push(0);const l=new _s(s.targetPosition.root,a);n=n._getTransformedByMove(i,r,1);const c=new Na(n,e.howMany,l,0);return o.push(s),o.push(c),o}const n=Cs._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByMergeOperation(e);return t.sourcePosition=n.start,t.howMany=n.end.offset-n.start.offset,t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]}),s_(Fa,Ba,(t,e)=>(t.position=t.position._getTransformedByInsertOperation(e),[t])),s_(Fa,La,(t,e)=>t.position.isEqual(e.deletionPosition)?(t.position=e.graveyardPosition.clone(),t.position.stickiness="toNext",[t]):(t.position=t.position._getTransformedByMergeOperation(e),[t])),s_(Fa,Na,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),s_(Fa,Fa,(t,e,o)=>{if(t.position.isEqual(e.position)){if(!o.aIsStrong)return[new sl(0)];t.oldName=e.newName}return[t]}),s_(Fa,ja,(t,e)=>{if("same"==Vo(t.position.path,e.splitPosition.getParentPath())&&!e.graveyardPosition){const e=new Fa(t.position.getShiftedBy(1),t.oldName,t.newName,0);return[t,e]}return t.position=t.position._getTransformedBySplitOperation(e),[t]}),s_(Da,Da,(t,e,o)=>{if(t.root===e.root&&t.key===e.key){if(!o.aIsStrong||t.newValue===e.newValue)return[new sl(0)];t.oldValue=e.newValue}return[t]}),s_(ja,Ba,(t,e)=>(t.splitPosition.hasSameParentAs(e.position)&&t.splitPosition.offset<e.position.offset&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByInsertOperation(e),t.insertionPosition=ja.getInsertionPosition(t.splitPosition),[t])),s_(ja,La,(t,e,o)=>{if(!t.graveyardPosition&&!o.bWasUndone&&t.splitPosition.hasSameParentAs(e.sourcePosition)){const o=e.graveyardPosition.path.slice();o.push(0);const i=new _s(e.graveyardPosition.root,o),n=ja.getInsertionPosition(new _s(e.graveyardPosition.root,o)),r=new ja(i,0,null,0);return r.insertionPosition=n,t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=ja.getInsertionPosition(t.splitPosition),t.graveyardPosition=r.insertionPosition.clone(),t.graveyardPosition.stickiness="toNext",[r,t]}return t.splitPosition.hasSameParentAs(e.deletionPosition)&&!t.splitPosition.isAfter(e.deletionPosition)&&t.howMany--,t.splitPosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=ja.getInsertionPosition(t.splitPosition),t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),s_(ja,Na,(t,e,o)=>{const i=Cs._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.graveyardPosition){const n=i.start.isEqual(t.graveyardPosition)||i.containsPosition(t.graveyardPosition);if(!o.bWasUndone&&n){const o=t.splitPosition._getTransformedByMoveOperation(e),i=t.graveyardPosition._getTransformedByMoveOperation(e),n=i.path.slice();n.push(0);const r=new _s(i.root,n);return[new Na(o,t.howMany,r,0)]}t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)}if(t.splitPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.splitPosition)){const o=e.howMany-(t.splitPosition.offset-e.sourcePosition.offset);return t.howMany-=o,t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany),t.splitPosition=e.sourcePosition.clone(),t.insertionPosition=ja.getInsertionPosition(t.splitPosition),[t]}return!t.splitPosition.isEqual(e.targetPosition)||"insertAtSource"!=o.baRelation&&"splitBefore"!=o.abRelation?(e.sourcePosition.isEqual(e.targetPosition)||(t.splitPosition.hasSameParentAs(e.sourcePosition)&&t.splitPosition.offset<=e.sourcePosition.offset&&(t.howMany-=e.howMany),t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany)),t.splitPosition.stickiness="toNone",t.splitPosition=t.splitPosition._getTransformedByMoveOperation(e),t.splitPosition.stickiness="toNext",t.graveyardPosition?t.insertionPosition=t.insertionPosition._getTransformedByMoveOperation(e):t.insertionPosition=ja.getInsertionPosition(t.splitPosition),[t]):(t.howMany+=e.howMany,t.splitPosition=t.splitPosition._getTransformedByDeletion(e.sourcePosition,e.howMany),t.insertionPosition=ja.getInsertionPosition(t.splitPosition),[t])}),s_(ja,ja,(t,e,o)=>{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition)return[new sl(0)];if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition))return[new sl(0)];if("splitBefore"==o.abRelation)return t.howMany=0,t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e),[t]}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){const i="$graveyard"==t.splitPosition.root.rootName,n="$graveyard"==e.splitPosition.root.rootName,r=i&&!n;if(n&&!i||!r&&o.aIsStrong){const o=[];return e.howMany&&o.push(new Na(e.moveTargetPosition,e.howMany,e.splitPosition,0)),t.howMany&&o.push(new Na(t.splitPosition,t.howMany,t.moveTargetPosition,0)),o}return[new sl(0)]}if(t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e)),t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==o.abRelation)return t.howMany++,[t];if(e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==o.baRelation){const o=e.insertionPosition.path.slice();o.push(0);const i=new _s(e.insertionPosition.root,o);return[t,new Na(t.insertionPosition,1,i,0)]}return t.splitPosition.hasSameParentAs(e.splitPosition)&&t.splitPosition.offset<e.splitPosition.offset&&(t.howMany-=e.howMany),t.splitPosition=t.splitPosition._getTransformedBySplitOperation(e),t.insertionPosition=ja.getInsertionPosition(t.splitPosition),[t]});class p_ extends _d{constructor(t){super(t),this._stack=[],this._createdBatches=new WeakSet,this.refresh()}refresh(){this.isEnabled=this._stack.length>0}addBatch(t){const e=this.editor.model.document.selection,o={ranges:e.hasOwnRange?Array.from(e.getRanges()):[],isBackward:e.isBackward};this._stack.push({batch:t,selection:o}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(t,e,o){const i=this.editor.model,n=i.document,r=[];for(const e of t){const t=b_(e,o).find(t=>t.start.root!=n.graveyard);t&&r.push(t)}r.length&&i.change(t=>{t.setSelection(r,{backward:e})})}_undo(t,e){const o=this.editor.model,i=o.document;this._createdBatches.add(e);const n=t.operations.slice().filter(t=>t.isDocumentOperation);n.reverse();for(const t of n){const n=t.baseVersion+1,r=Array.from(i.history.getOperations(n)),s=c_([t.getReversed()],r,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1,forceWeakRemove:!0}).operationsA;for(const n of s)e.addOperation(n),o.applyOperation(n),i.history.setOperationAsUndone(t,n)}}}function b_(t,e){const o=t.getTransformedByOperations(e);o.sort((t,e)=>t.start.isBefore(e.start)?-1:1);for(let t=1;t<o.length;t++){const e=o[t-1],i=o[t];e.end.isTouching(i.start)&&(e.end=i.end,o.splice(t,1),t--)}return o}class w_ extends p_{execute(t=null){const e=t?this._stack.findIndex(e=>e.batch==t):this._stack.length-1,o=this._stack.splice(e,1)[0],i=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(i,()=>{this._undo(o.batch,i);const t=this.editor.model.document.history.getOperations(o.batch.baseVersion);this._restoreSelection(o.selection.ranges,o.selection.isBackward,t),this.fire("revert",o.batch,i)}),this.refresh()}}class k_ extends p_{execute(){const t=this._stack.pop(),e=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(e,()=>{const o=t.batch.operations[t.batch.operations.length-1].baseVersion+1,i=this.editor.model.document.history.getOperations(o);this._restoreSelection(t.selection.ranges,t.selection.isBackward,i),this._undo(t.batch,e)}),this.refresh()}}class __ extends Rl{static get pluginName(){return"UndoEditing"}constructor(t){super(t),this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new w_(t),this._redoCommand=new k_(t),t.commands.add("undo",this._undoCommand),t.commands.add("redo",this._redoCommand),this.listenTo(t.model,"applyOperation",(t,e)=>{const o=e[0];if(!o.isDocumentOperation)return;const i=o.batch,n=this._redoCommand._createdBatches.has(i),r=this._undoCommand._createdBatches.has(i);this._batchRegistry.has(i)||"transparent"==i.type&&!n&&!r||(n?this._undoCommand.addBatch(i):r||(this._undoCommand.addBatch(i),this._redoCommand.clearStack()),this._batchRegistry.add(i))},{priority:"highest"}),this.listenTo(this._undoCommand,"revert",(t,e,o)=>{this._redoCommand.addBatch(o)}),t.keystrokes.set("CTRL+Z","undo"),t.keystrokes.set("CTRL+Y","redo"),t.keystrokes.set("CTRL+SHIFT+Z","redo")}}var v_='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.042 9.367l2.189 1.837a.75.75 0 0 1-.965 1.149l-3.788-3.18a.747.747 0 0 1-.21-.284.75.75 0 0 1 .17-.945L6.23 4.762a.75.75 0 1 1 .964 1.15L4.863 7.866h8.917A.75.75 0 0 1 14 7.9a4 4 0 1 1-1.477 7.718l.344-1.489a2.5 2.5 0 1 0 1.094-4.73l.008-.032H5.042z"/></svg>',y_='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M14.958 9.367l-2.189 1.837a.75.75 0 0 0 .965 1.149l3.788-3.18a.747.747 0 0 0 .21-.284.75.75 0 0 0-.17-.945L13.77 4.762a.75.75 0 1 0-.964 1.15l2.331 1.955H6.22A.75.75 0 0 0 6 7.9a4 4 0 1 0 1.477 7.718l-.344-1.489A2.5 2.5 0 1 1 6.039 9.4l-.008-.032h8.927z"/></svg>';class x_ extends Rl{init(){const t=this.editor,e=t.locale,o=t.t,i="ltr"==e.uiLanguageDirection?v_:y_,n="ltr"==e.uiLanguageDirection?y_:v_;this._addButton("undo",o("Undo"),"CTRL+Z",i),this._addButton("redo",o("Redo"),"CTRL+Y",n)}_addButton(t,e,o,i){const n=this.editor;n.ui.componentFactory.add(t,r=>{const s=n.commands.get(t),a=new uc(r);return a.set({label:e,icon:i,keystroke:o,tooltip:!0}),a.bind("isEnabled").to(s,"isEnabled"),this.listenTo(a,"execute",()=>{n.execute(t),n.editing.view.focus()}),a})}}class C_ extends ad{}C_.builtinPlugins=[Tu,class extends Rl{static get pluginName(){return"Enter"}init(){const t=this.editor,e=t.editing.view,o=e.document;e.addObserver(Ww),t.commands.add("enter",new qk(t)),this.listenTo(o,"enter",(o,i)=>{i.preventDefault(),i.isSoft||(t.execute("enter"),e.scrollToTheSelection())},{priority:"low"})}},Bk,qw,class extends Rl{static get requires(){return[e_,n_]}static get pluginName(){return"Typing"}},class extends Rl{static get requires(){return[__,x_]}static get pluginName(){return"Undo"}},class extends Rl{static get requires(){return[hd]}static get pluginName(){return"CKFinderUploadAdapter"}init(){const t=this.editor.config.get("ckfinder.uploadUrl");t&&(this.editor.plugins.get(hd).createUploadAdapter=e=>new md(e,t,this.editor.t))}},class extends Rl{static get pluginName(){return"Autoformat"}afterInit(){this._addListAutoformats(),this._addBasicStylesAutoformats(),this._addHeadingAutoformats(),this._addBlockQuoteAutoformats(),this._addCodeBlockAutoformats()}_addListAutoformats(){const t=this.editor.commands;t.get("bulletedList")&&new fd(this.editor,/^[*-]\s$/,"bulletedList"),t.get("numberedList")&&new fd(this.editor,/^1[.|)]\s$/,"numberedList")}_addBasicStylesAutoformats(){const t=this.editor.commands;if(t.get("bold")){const t=kd(this.editor,"bold");new bd(this.editor,/(\*\*)([^*]+)(\*\*)$/g,t),new bd(this.editor,/(__)([^_]+)(__)$/g,t)}if(t.get("italic")){const t=kd(this.editor,"italic");new bd(this.editor,/(?:^|[^*])(\*)([^*_]+)(\*)$/g,t),new bd(this.editor,/(?:^|[^_])(_)([^_]+)(_)$/g,t)}if(t.get("code")){const t=kd(this.editor,"code");new bd(this.editor,/(`)([^`]+)(`)$/g,t)}if(t.get("strikethrough")){const t=kd(this.editor,"strikethrough");new bd(this.editor,/(~~)([^~]+)(~~)$/g,t)}}_addHeadingAutoformats(){const t=this.editor.commands.get("heading");t&&t.modelElements.filter(t=>t.match(/^heading[1-6]$/)).forEach(e=>{const o=e[7],i=new RegExp(`^(#{${o}})\\s$`);new fd(this.editor,i,()=>{if(!t.isEnabled)return!1;this.editor.execute("heading",{value:e})})})}_addBlockQuoteAutoformats(){this.editor.commands.get("blockQuote")&&new fd(this.editor,/^>\s$/,"blockQuote")}_addCodeBlockAutoformats(){this.editor.commands.get("codeBlock")&&new fd(this.editor,/^```$/,"codeBlock")}},class extends Rl{static get requires(){return[xd,Cd]}static get pluginName(){return"Bold"}},class extends Rl{static get requires(){return[Ad,Td]}static get pluginName(){return"Italic"}},class extends Rl{static get requires(){return[Id,Vd]}static get pluginName(){return"Underline"}},class extends Rl{static get requires(){return[Od,Md]}static get pluginName(){return"Strikethrough"}},class extends Rl{static get requires(){return[Nd,Bd]}static get pluginName(){return"Code"}},class extends Rl{static get requires(){return[Pd,Sd]}static get pluginName(){return"Superscript"}},class extends Rl{static get requires(){return[Ed,Rd]}static get pluginName(){return"Subscript"}},class extends Rl{static get requires(){return[Hd,Wd]}static get pluginName(){return"BlockQuote"}},class extends Rl{static get requires(){return[Xd,eh]}static get pluginName(){return"Heading"}},class extends Rl{static get requires(){return[vh,Sh,Wh]}static get pluginName(){return"Image"}},class extends Rl{static get requires(){return[$h]}static get pluginName(){return"ImageCaption"}},class extends Rl{static get requires(){return[au,lu]}static get pluginName(){return"ImageStyle"}},class extends Rl{static get requires(){return[cu]}static get pluginName(){return"ImageToolbar"}afterInit(){const t=this.editor,e=t.t;t.plugins.get(cu).register("image",{ariaLabel:e("Image toolbar"),items:t.config.get("image.toolbar")||[],getRelatedElement:mh})}},class extends Rl{static get pluginName(){return"ImageUpload"}static get requires(){return[Ru,fu,pu]}},class extends Rl{static get requires(){return[Bu]}static get pluginName(){return"ImageResize"}init(){const t=this.editor,e=new zu(t);this._registerSchema(),this._registerConverters(),t.commands.add("imageResize",e),t.editing.downcastDispatcher.on("insert:image",(o,i,n)=>{const r=n.mapper.toViewElement(i.item),s=t.plugins.get(Bu).attachTo({unit:t.config.get("image.resizeUnit")||"%",modelElement:i.item,viewElement:r,editor:t,getHandleHost:t=>t.querySelector("img"),getResizeHost:t=>t,isCentered(){const t=i.item.getAttribute("imageStyle");return!t||"full"==t||"alignCenter"==t},onCommit(e){t.execute("imageResize",{width:e})}});s.on("updateSize",()=>{r.hasClass("image_resized")||t.editing.view.change(t=>{t.addClass("image_resized",r)})}),s.bind("isEnabled").to(e)},{priority:"low"})}_registerSchema(){this.editor.model.schema.extend("image",{allowAttributes:"width"})}_registerConverters(){const t=this.editor;t.conversion.for("downcast").add(t=>t.on("attribute:width:image",(t,e,o)=>{if(!o.consumable.consume(e.item,t.name))return;const 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t=this.editor,e=t.model.schema,o=t.commands.get("indent"),i=t.commands.get("outdent");["paragraph","heading1","heading2","heading3","heading4","heading5","heading6"].forEach(t=>{e.isRegistered(t)&&e.extend(t,{allowAttributes:"blockIndent"})}),o.registerChildCommand(t.commands.get("indentBlock")),i.registerChildCommand(t.commands.get("outdentBlock"))}_setupConversionUsingOffset(){const t=this.editor.conversion,e="rtl"===this.editor.locale.contentLanguageDirection?"margin-right":"margin-left";t.for("upcast").attributeToAttribute({view:{styles:{[e]:/[\s\S]+/}},model:{key:"blockIndent",value:t=>t.getStyle(e)}}),t.for("downcast").attributeToAttribute({model:"blockIndent",view:t=>({key:"style",value:{[e]:t}})})}_setupConversionUsingClasses(t){const e={model:{key:"blockIndent",values:[]},view:{}};for(const o of t)e.model.values.push(o),e.view[o]={key:"class",value:[o]};this.editor.conversion.attributeToAttribute(e)}},class extends Rl{static get 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6",class:"ck-heading_heading6"}]},blockToolbar:["heading","|","bulletedList","numberedList","todoList","|","blockQuote","codeBlock","insertTable","includeNote","|","outdent","indent","|","imageUpload","markdownImport"],table:{contentToolbar:["tableColumn","tableRow","mergeTableCells","tableProperties","tableCellProperties"]},language:"en"}}]).default}));
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