Slash commands (#2336)

apps/client/.env.development

@@ -0,0 +1,6 @@
+VITE_CKEDITOR_ENABLE_INSPECTOR=false
+
+# The development license key for premium CKEditor features.
+# Note: This key is for development purposes only and should not be used in production.
+# Expires on: 2025-09-13
+VITE_CKEDITOR_KEY=eyJhbGciOiJFUzI1NiJ9.eyJleHAiOjE3NTc3MjE1OTksImp0aSI6IjRmMjdkYmYxLTcwOTEtNDYwZi04ZDZmLTc0NzBiZjQwNjg2MCIsImRpc3RyaWJ1dGlvbkNoYW5uZWwiOlsic2giLCJkcnVwYWwiXSwid2hpdGVMYWJlbCI6dHJ1ZSwibGljZW5zZVR5cGUiOiJkZXZlbG9wbWVudCIsImZlYXR1cmVzIjpbIkRSVVAiLCJDTVQiLCJETyIsIkZQIiwiU0MiLCJUT0MiLCJUUEwiLCJQT0UiLCJDQyIsIk1GIiwiU0VFIiwiRUNIIiwiRUlTIl0sInZjIjoiMjMxYzMwNTEifQ.9Ct5lIKbioC3dM8EFatDTmimEIVOdItE3Uh_ICHlS_A_8ueqIfkZpsN3L4_EqprvteNki9yqbuZVGpZTaQ51xg

apps/client/.env.production

@@ -0,0 +1 @@
+VITE_CKEDITOR_ENABLE_INSPECTOR=false

apps/client/src/services/utils.ts

@@ -332,8 +332,6 @@ async function openDialog($dialog: JQuery<HTMLElement>, closeActDialog = true) {
         }
     });
 
-    // TODO: Fix once keyboard_actions is ported.
-    // @ts-ignore
     const keyboardActionsService = (await import("./keyboard_actions.js")).default;
     keyboardActionsService.updateDisplayedShortcuts($dialog);
 

apps/client/src/stylesheets/style.css

@@ -25,6 +25,7 @@
     --bs-body-font-weight: var(--main-font-weight) !important;
     --bs-body-color: var(--main-text-color) !important;
     --bs-body-bg: var(--main-background-color) !important;    
+    --ck-mention-list-max-height: 500px;
 }
 
 .table {
@@ -1273,6 +1274,26 @@ body:not(.mobile) #launcher-pane.horizontal .dropdown-submenu > .dropdown-menu {
     white-space: normal !important;
 }
 
+/* Slash commands */
+
+.ck.ck-slash-command-button {
+    padding: 0.5em 1em !important;
+}
+
+.ck.ck-slash-command-button__text-part {
+    margin-left: 0.5em;
+    line-height: 1.2em !important;
+}
+
+.ck.ck-slash-command-button__text-part > span {
+    line-height: inherit !important;
+}
+
+.ck.ck-slash-command-button__text-part .ck.ck-slash-command-button__description {
+    display: block;
+    opacity: 0.8;
+}
+
 .area-expander {
     display: flex;
     flex-direction: row;

apps/client/src/stylesheets/theme-next/notes/text.css

@@ -201,6 +201,11 @@
     color: var(--menu-item-icon-color);
 }
 
+/* Slash commands */
+.ck.ck-slash-command-button__text-part .ck.ck-button__label {
+    font-weight: bold;
+}
+
 /* Separator */
 :root .ck .ck-list__separator {
     margin: .5em 0;

apps/client/src/vite-env.d.ts

@@ -0,0 +1,16 @@
+/// <reference types="vite/client" />
+
+interface ViteTypeOptions {
+  strictImportMetaEnv: unknown
+}
+
+interface ImportMetaEnv {
+    /** The license key for CKEditor premium features. */
+    readonly VITE_CKEDITOR_KEY?: string;
+    /** Whether to enable the CKEditor inspector (see https://ckeditor.com/docs/ckeditor5/latest/framework/develpment-tools/inspector.html). */
+    readonly VITE_CKEDITOR_ENABLE_INSPECTOR?: "true" | "false";
+}
+
+interface ImportMeta {
+  readonly env: ImportMetaEnv
+}

apps/client/src/widgets/dialogs/add_link.ts

@@ -111,7 +111,7 @@ export default class AddLinkDialog extends BasicWidget {
 
         this.updateTitleSettingsVisibility();
 
-        utils.openDialog(this.$widget);
+        await utils.openDialog(this.$widget);
 
         this.$autoComplete.val("");
         this.$linkTitle.val("");

apps/client/src/widgets/type_widgets/ckeditor/config.ts

@@ -1,6 +1,6 @@
 import { ALLOWED_PROTOCOLS } from "../../../services/link.js";
 import { MIME_TYPE_AUTO } from "@triliumnext/commons";
-import type { EditorConfig } from "@triliumnext/ckeditor5";
+import { buildExtraCommands, type EditorConfig } from "@triliumnext/ckeditor5";
 import { getHighlightJsNameForMime } from "../../../services/mime_types.js";
 import options from "../../../services/options.js";
 import { ensureMimeTypesForHighlighting, isSyntaxHighlightEnabled } from "../../../services/syntax_highlight.js";
@@ -121,6 +121,11 @@ export function buildConfig(): EditorConfig {
         clipboard: {
             copy: copyTextWithToast
         },
+        slashCommand: {
+            removeCommands: [],
+            dropdownLimit: Number.MAX_SAFE_INTEGER,
+            extraCommands: buildExtraCommands()
+        },
         // This value must be kept in sync with the language defined in webpack.config.js.
         language: "en"
     };

apps/client/src/widgets/type_widgets/editable_text.ts

@@ -19,8 +19,6 @@ import { PopupEditor, ClassicEditor, EditorWatchdog, type CKTextEditor, type Men
 import "@triliumnext/ckeditor5/index.css";
 import { normalizeMimeTypeForCKEditor } from "@triliumnext/commons";
 
-const ENABLE_INSPECTOR = false;
-
 const mentionSetup: MentionFeed[] = [
     {
         marker: "@",
@@ -203,7 +201,7 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
                     classes: true,
                     attributes: true
                 },
-                licenseKey: "GPL"
+                licenseKey: getLicenseKey()
             };
 
             const contentLanguage = this.note?.getLabelValue("language");
@@ -278,7 +276,7 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
 
             editor.model.document.on("change:data", () => this.spacedUpdate.scheduleUpdate());
 
-            if (glob.isDev && ENABLE_INSPECTOR) {
+            if (import.meta.env.VITE_CKEDITOR_ENABLE_INSPECTOR === "true") {
                 const CKEditorInspector = (await import("@ckeditor/ckeditor5-inspector")).default;
                 CKEditorInspector.attach(editor);
             }
@@ -640,3 +638,13 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
     }
 
 }
+
+function getLicenseKey() {
+    const premiumLicenseKey = import.meta.env.VITE_CKEDITOR_KEY;
+    if (!premiumLicenseKey) {
+        logError("CKEditor license key is not set, premium features will not be available.");
+        return "GPL";
+    }
+
+    return premiumLicenseKey;
+}

packages/ckeditor5-admonition/src/index.ts

@@ -4,9 +4,9 @@ import "../theme/blockquote.css";
 
 export { default as Admonition } from './admonition.js';
 export { default as AdmonitionEditing } from './admonitionediting.js';
-export { default as AdmonitionUI } from './admonitionui.js';
+export { default as AdmonitionUI, ADMONITION_TYPES } from './admonitionui.js';
 export { default as AdmonitionAutoformat } from './admonitionautoformat.js';
-export type { default as AdmonitionCommand } from './admonitioncommand.js';
+export type { default as AdmonitionCommand, AdmonitionType } from './admonitioncommand.js';
 
 export const icons = {
 	admonitionIcon

packages/ckeditor5-math/src/index.ts

@@ -3,6 +3,7 @@ import './augmentation.js';
 import "../theme/mathform.css";
 
 export { default as Math } from './math.js';
+export { default as MathUI } from './mathui.js';
 export { default as AutoformatMath } from './autoformatmath.js';
 
 export const icons = {

packages/ckeditor5/package.json

@@ -23,17 +23,20 @@
     "name": "ckeditor5",
     "targets": {
       "typecheck": {
-        "dependsOn": [ "^build" ]
+        "dependsOn": [
+          "^build"
+        ]
       }
     }
   },
   "dependencies": {
-    "ckeditor5": "45.2.0",
-    "@triliumnext/ckeditor5-keyboard-marker": "workspace:*",
-    "@triliumnext/ckeditor5-mermaid": "workspace:*",
     "@triliumnext/ckeditor5-admonition": "workspace:*",
     "@triliumnext/ckeditor5-footnotes": "workspace:*",
-    "@triliumnext/ckeditor5-math": "workspace:*"
+    "@triliumnext/ckeditor5-keyboard-marker": "workspace:*",
+    "@triliumnext/ckeditor5-math": "workspace:*",
+    "@triliumnext/ckeditor5-mermaid": "workspace:*",
+    "ckeditor5": "45.2.0",
+    "ckeditor5-premium-features": "45.2.0"
   },
   "devDependencies": {
     "@types/jquery": "3.5.32"

packages/ckeditor5/src/extra_slash_commands.ts

@@ -0,0 +1,139 @@
+import type { Editor } from 'ckeditor5';
+import type { SlashCommandEditorConfig  } from 'ckeditor5-premium-features';
+import { icons as footnoteIcons } from '@triliumnext/ckeditor5-footnotes';
+import IconPageBreak from "@ckeditor/ckeditor5-icons/theme/icons/page-break.svg?raw";
+import IconAlignLeft from "@ckeditor/ckeditor5-icons/theme/icons/align-left.svg?raw";
+import IconAlignCenter from "@ckeditor/ckeditor5-icons/theme/icons/align-center.svg?raw";
+import IconAlignRight from "@ckeditor/ckeditor5-icons/theme/icons/align-right.svg?raw";
+import IconAlignJustify from "@ckeditor/ckeditor5-icons/theme/icons/align-justify.svg?raw";
+import bxInfoCircle from "boxicons/svg/regular/bx-info-circle.svg?raw";
+import bxBulb from "boxicons/svg/regular/bx-bulb.svg?raw";
+import bxCommentError from "boxicons/svg/regular/bx-comment-error.svg?raw";
+import bxErrorCircle from "boxicons/svg/regular/bx-error-circle.svg?raw";
+import bxError from "boxicons/svg/regular/bx-error.svg?raw";
+import { COMMAND_NAME as INSERT_DATE_TIME_COMMAND } from './plugins/insert_date_time.js';
+import { COMMAND_NAME as INTERNAL_LINK_COMMAND } from './plugins/internallink.js';
+import { COMMAND_NAME as INCLUDE_NOTE_COMMAND } from './plugins/includenote.js';
+import { COMMAND_NAME as MARKDOWN_IMPORT_COMMAND } from './plugins/markdownimport.js';
+import { ADMONITION_TYPES, type AdmonitionType } from '@triliumnext/ckeditor5-admonition';
+import dateTimeIcon from './icons/date-time.svg?raw';
+import internalLinkIcon from './icons/trilium.svg?raw';
+import noteIcon from './icons/note.svg?raw';
+import importMarkdownIcon from './icons/markdown-mark.svg?raw';
+import { icons as mathIcons, MathUI } from '@triliumnext/ckeditor5-math';
+
+type SlashCommandDefinition = SlashCommandEditorConfig["extraCommands"][number];
+
+export default function buildExtraCommands(): SlashCommandDefinition[] {
+    return [
+        ...buildAlignmentExtraCommands(),
+        ...buildAdmonitionExtraCommands(),
+        {
+            id: 'footnote',
+            title: 'Footnote',
+            description: 'Create a new footnote and reference it here',
+            icon: footnoteIcons.insertFootnoteIcon,
+            commandName: "InsertFootnote"
+        },
+        {
+            id: "datetime",
+            title: "Insert Date/Time",
+            description: "Insert the current date and time",
+            icon: dateTimeIcon,
+            commandName: INSERT_DATE_TIME_COMMAND
+        },
+        {
+            id: "internal-link",
+            title: "Internal Trilium link",
+            description: "Insert a link to another Trilium note",
+            aliases: [ "internal link", "trilium link", "reference link" ],
+            icon: internalLinkIcon,
+            commandName: INTERNAL_LINK_COMMAND
+        },
+        {
+            id: "math",
+            title: "Math equation",
+            description: "Insert a math equation",
+            icon: mathIcons.ckeditor,
+            execute: (editor: Editor) => editor.plugins.get(MathUI)._showUI()
+        },
+        {
+            id: "include-note",
+            title: "Include note",
+            description: "Display the content of another note in this note",
+            icon: noteIcon,
+            commandName: INCLUDE_NOTE_COMMAND
+        },
+        {
+            id: "page-break",
+            title: "Page break",
+            description: "Insert a page break (for printing)",
+            icon: IconPageBreak,
+            commandName: "pageBreak"
+        },
+        {
+            id: "markdown-import",
+            title: "Markdown import",
+            description: "Import a markdown file into this note",
+            icon: importMarkdownIcon,
+            commandName: MARKDOWN_IMPORT_COMMAND
+        }
+    ];
+}
+
+function buildAlignmentExtraCommands(): SlashCommandDefinition[] {
+    return [
+        {
+            id: "align-left",
+            title: "Align Left",
+            description: "Align text to the left",
+            icon: IconAlignLeft,
+            execute: (editor: Editor) => editor.execute("alignment", { value: "left" }),
+        },
+        {
+            id: "align-center",
+            title: "Align Center",
+            description: "Align text to the center",
+            icon: IconAlignCenter,
+            execute: (editor: Editor) => editor.execute("alignment", { value: "center" }),
+        },
+        {
+            id: "align-right",
+            title: "Align Right",
+            description: "Align text to the right",
+            icon: IconAlignRight,
+            execute: (editor: Editor) => editor.execute("alignment", { value: "right" }),
+        },
+        {
+            id: "align-justify",
+            title: "Justify",
+            description: "Justify text alignment",
+            icon: IconAlignJustify,
+            execute: (editor: Editor) => editor.execute("alignment", { value: "justify" }),
+        }
+    ];
+}
+
+function buildAdmonitionExtraCommands(): SlashCommandDefinition[] {
+    const commands: SlashCommandDefinition[] = [];
+    const admonitionIcons: Record<AdmonitionType, string> = {
+        note: bxInfoCircle,
+        tip: bxBulb,
+        important: bxCommentError,
+        caution: bxErrorCircle,
+        warning: bxError,
+    };
+
+    for (const [ keyword, definition ] of Object.entries(ADMONITION_TYPES)) {
+        commands.push({
+            id: keyword,
+            title: definition.title,
+            description: "Inserts a new admonition",
+            icon: admonitionIcons[keyword as AdmonitionType],
+            execute: (editor: Editor) => editor.execute("admonition", { forceValue: keyword as AdmonitionType }),
+            aliases: [ "box" ]
+        });
+    }
+    return commands;
+}
+

packages/ckeditor5/src/index.ts

@@ -4,6 +4,7 @@ import { COMMON_PLUGINS, CORE_PLUGINS, POPUP_EDITOR_PLUGINS } from "./plugins";
 import { BalloonEditor, DecoupledEditor, FindAndReplaceEditing, FindCommand } from "ckeditor5";
 export { EditorWatchdog } from "ckeditor5";
 export type { EditorConfig, MentionFeed, MentionFeedObjectItem, Node, Position, Element, WatchdogConfig } from "ckeditor5";
+export { default as buildExtraCommands } from "./extra_slash_commands.js";
 
 // Import with sideffects to ensure that type augmentations are present.
 import "@triliumnext/ckeditor5-math";
@@ -25,6 +26,7 @@ export type FindCommandResult = ReturnType<FindCommand["execute"]>;
  * The text editor that can be used for editing attributes and relations.
  */
 export class AttributeEditor extends BalloonEditor {
+
     static override get builtinPlugins() {
         return CORE_PLUGINS;
     }

packages/ckeditor5/src/plugins.ts

@@ -1,4 +1,5 @@
 import { Autoformat, AutoLink, BlockQuote, BlockToolbar, Bold, CKFinderUploadAdapter, Clipboard, Code, CodeBlock, Enter, FindAndReplace, Font, FontBackgroundColor, FontColor, GeneralHtmlSupport, Heading, HeadingButtonsUI, HorizontalLine, Image, ImageCaption, ImageInline, ImageResize, ImageStyle, ImageToolbar, ImageUpload, Alignment, Indent, IndentBlock, Italic, Link, List, ListProperties, Mention, PageBreak, Paragraph, ParagraphButtonUI, PasteFromOffice, PictureEditing, RemoveFormat, SelectAll, ShiftEnter, SpecialCharacters, SpecialCharactersEssentials, Strikethrough, Style, Subscript, Superscript, Table, TableCaption, TableCellProperties, TableColumnResize, TableProperties, TableSelection, TableToolbar, TextPartLanguage, TextTransformation, TodoList, Typing, Underline, Undo, Bookmark, Emoji } from "ckeditor5";
+import { SlashCommand } from "ckeditor5-premium-features";
 import type { Plugin } from "ckeditor5";
 import CutToNotePlugin from "./plugins/cuttonote.js";
 import UploadimagePlugin from "./plugins/uploadimage.js";
@@ -77,6 +78,13 @@ export const CORE_PLUGINS: typeof Plugin[] = [
     ReferenceLink
 ];
 
+/**
+ * Plugins that require a premium CKEditor license key to work.
+ */
+export const PREMIUM_PLUGINS: typeof Plugin[] = [
+    SlashCommand
+];
+
 /**
  * The set of plugins that are required for the editor to work. This is used in normal text editors (floating or fixed toolbar) but not in the attribute editor.
  */
@@ -139,7 +147,8 @@ export const COMMON_PLUGINS: typeof Plugin[] = [
     Emoji,
 
     ...TRILIUM_PLUGINS,
-    ...EXTERNAL_PLUGINS
+    ...EXTERNAL_PLUGINS,
+    ...PREMIUM_PLUGINS
 ];
 
 /**

packages/ckeditor5/src/plugins/includenote.ts

@@ -1,6 +1,8 @@
 import { ButtonView, Command, Plugin, toWidget, Widget, type Editor, type Observable } from 'ckeditor5';
 import noteIcon from '../icons/note.svg?raw';
 
+export const COMMAND_NAME = 'insertIncludeNote';
+
 export default class IncludeNote extends Plugin {
 	static get requires() {
 		return [ IncludeNoteEditing, IncludeNoteUI ];
@@ -16,7 +18,7 @@ class IncludeNoteUI extends Plugin {
 		// to be displayed in the toolbar.
 		editor.ui.componentFactory.add( 'includeNote', locale => {
 			// The state of the button will be bound to the widget command.
-			const command = editor.commands.get( 'insertIncludeNote' );
+			const command = editor.commands.get( COMMAND_NAME );
 
 			// The button will be an instance of ButtonView.
 			const buttonView = new ButtonView( locale );
@@ -35,7 +37,7 @@ class IncludeNoteUI extends Plugin {
             }
 
 			// Execute the command when the button is clicked (executed).
-			this.listenTo( buttonView, 'execute', () => editor.execute( 'insertIncludeNote' ) );
+			this.listenTo( buttonView, 'execute', () => editor.execute( COMMAND_NAME ) );
 
 			return buttonView;
 		} );
@@ -51,7 +53,7 @@ class IncludeNoteEditing extends Plugin {
 		this._defineSchema();
 		this._defineConverters();
 
-		this.editor.commands.add( 'insertIncludeNote', new InsertIncludeNoteCommand( this.editor ) );
+		this.editor.commands.add( COMMAND_NAME, new InsertIncludeNoteCommand( this.editor ) );
 	}
 
 	_defineSchema() {

packages/ckeditor5/src/plugins/insert_date_time.ts

@@ -1,10 +1,14 @@
-import { ButtonView, Plugin } from 'ckeditor5';
+import { ButtonView, Command, Plugin } from 'ckeditor5';
 import dateTimeIcon from '../icons/date-time.svg?raw';
 
+export const COMMAND_NAME = 'insertDateTimeToText';
+
 export default class InsertDateTimePlugin extends Plugin {
     init() {
         const editor = this.editor;
 
+        editor.commands.add(COMMAND_NAME, new InsertDateTimeCommand(editor));
+
         editor.ui.componentFactory.add('dateTime', locale => {
             const view = new ButtonView( locale );
 
@@ -15,17 +19,30 @@ export default class InsertDateTimePlugin extends Plugin {
             } );
 
             // enable only if the editor is not read only
-            view.bind('isEnabled').to(editor, 'isReadOnly', isReadOnly => !isReadOnly);
-
+            const command = editor.commands.get(COMMAND_NAME)!;
+            view.bind('isEnabled').to(command, 'isEnabled');
             view.on('execute', () => {
+                editor.execute(COMMAND_NAME);
+                editor.editing.view.focus();
+            });
+            return view;
+        });
+    }
+}
+
+class InsertDateTimeCommand extends Command {
+
+    refresh() {
+        this.isEnabled = !this.editor.isReadOnly;
+    }
+
+    execute() {
+        const editor = this.editor;
         const editorEl = editor.editing.view.getDomRoot();
         const component = glob.getComponentByEl(editorEl);
 
         component.triggerCommand('insertDateTimeToText');
         editor.editing.view.focus();
-            } );
+    }
 
-            return view;
-        });
-    }
 }

packages/ckeditor5/src/plugins/internallink.ts

@@ -1,7 +1,9 @@
-import { ButtonView, Plugin } from 'ckeditor5';
+import { ButtonView, Command, Plugin } from 'ckeditor5';
 import internalLinkIcon from '../icons/trilium.svg?raw';
 import ReferenceLink from './referencelink';
 
+export const COMMAND_NAME = 'insertInternalLink';
+
 export default class InternalLinkPlugin extends Plugin {
 
     static get requires() {
@@ -11,6 +13,8 @@ export default class InternalLinkPlugin extends Plugin {
 	init() {
 		const editor = this.editor;
 
+        editor.commands.add(COMMAND_NAME, new InsertInternalLinkCommand(editor));
+
 		editor.ui.componentFactory.add('internalLink', locale => {
 			const view = new ButtonView( locale );
 
@@ -21,16 +25,28 @@ export default class InternalLinkPlugin extends Plugin {
 			} );
 
             // enable internal link only if the editor is not read only
-			view.bind('isEnabled').to(editor, 'isReadOnly', isReadOnly => !isReadOnly);
-
+			const command = editor.commands.get(COMMAND_NAME)!;
+            view.bind('isEnabled').to(command, 'isEnabled');
 			view.on('execute', () => {
-				const editorEl = editor.editing.view.getDomRoot();
-				const component = glob.getComponentByEl(editorEl);
-
-				component.triggerCommand('addLinkToText');
+                editor.execute(COMMAND_NAME);
 			} );
 
 			return view;
 		});
 	}
 }
+
+class InsertInternalLinkCommand extends Command {
+
+    refresh() {
+        this.isEnabled = !this.editor.isReadOnly;
+    }
+
+    execute() {
+        const editor = this.editor;
+        const editorEl = editor.editing.view.getDomRoot();
+        const component = glob.getComponentByEl(editorEl);
+
+        component.triggerCommand('addLinkToText');
+    }
+}

packages/ckeditor5/src/plugins/markdownimport.ts

@@ -1,10 +1,14 @@
-import { ButtonView, Plugin } from 'ckeditor5';
+import { ButtonView, Command, Plugin } from 'ckeditor5';
 import markdownIcon from '../icons/markdown-mark.svg?raw';
 
+export const COMMAND_NAME = 'importMarkdownInline';
+
 export default class MarkdownImportPlugin extends Plugin {
 	init() {
 		const editor = this.editor;
 
+        editor.commands.add(COMMAND_NAME, new ImportMarkdownCommand(editor));
+
 		editor.ui.componentFactory.add( 'markdownImport', locale => {
 			const view = new ButtonView( locale );
 
@@ -15,11 +19,19 @@ export default class MarkdownImportPlugin extends Plugin {
 			} );
 
 			// Callback executed once the image is clicked.
-			view.on( 'execute', () => {
-				glob.importMarkdownInline();
-			} );
+            const command = editor.commands.get(COMMAND_NAME)!;
+			view.bind('isEnabled').to(command, 'isEnabled');
+            view.on('execute', () => editor.execute(COMMAND_NAME));
 
 			return view;
 		} );
 	}
 }
+
+class ImportMarkdownCommand extends Command {
+
+    execute() {
+        glob.importMarkdownInline();
+    }
+
+}