diff --git a/public/javascripts/context_menu.js b/public/javascripts/context_menu.js
index a62505a94..a031013d5 100644
--- a/public/javascripts/context_menu.js
+++ b/public/javascripts/context_menu.js
@@ -1,86 +1,95 @@
-const treeEl = $("#tree");
+const contextMenu = (function() {
+    const treeEl = $("#tree");
 
-function pasteAfter(node) {
-    const subjectNode = getNodeByKey(glob.clipboardNoteId);
+    function pasteAfter(node) {
+        const subjectNode = getNodeByKey(glob.clipboardNoteId);
 
-    moveAfterNode(subjectNode, node);
+        moveAfterNode(subjectNode, node);
 
-    glob.clipboardNoteId = null;
-}
-
-function pasteInto(node) {
-    const subjectNode = getNodeByKey(glob.clipboardNoteId);
-
-    moveToNode(subjectNode, node);
-
-    glob.clipboardNoteId = null;
-}
-
-function cut(node) {
-    glob.clipboardNoteId = node.key;
-}
-
-const contextMenuSetup = {
-    delegate: "span.fancytree-title",
-    autoFocus: true,
-    menu: [
-        {title: "Insert note here", cmd: "insertNoteHere", uiIcon: "ui-icon-pencil"},
-        {title: "Insert child note", cmd: "insertChildNote", uiIcon: "ui-icon-pencil"},
-        {title: "Delete", cmd: "delete", uiIcon: "ui-icon-trash"},
-        {title: "----"},
-        {title: "Encrypt sub-tree", cmd: "encryptSubTree", uiIcon: "ui-icon-locked"},
-        {title: "Decrypt sub-tree", cmd: "decryptSubTree", uiIcon: "ui-icon-unlocked"},
-        {title: "----"},
-        {title: "Cut", cmd: "cut", uiIcon: "ui-icon-scissors"},
-        {title: "Copy / clone", cmd: "copy", uiIcon: "ui-icon-copy"},
-        {title: "Paste after", cmd: "pasteAfter", uiIcon: "ui-icon-clipboard"},
-        {title: "Paste into", cmd: "pasteInto", uiIcon: "ui-icon-clipboard"}
-    ],
-    beforeOpen: (event, ui) => {
-        const node = $.ui.fancytree.getNode(ui.target);
-        // Modify menu entries depending on node status
-        treeEl.contextmenu("enableEntry", "pasteAfter", glob.clipboardNoteId !== null);
-        treeEl.contextmenu("enableEntry", "pasteInto", glob.clipboardNoteId !== null);
-
-        // Activate node on right-click
-        node.setActive();
-        // Disable tree keyboard handling
-        ui.menu.prevKeyboard = node.tree.options.keyboard;
-        node.tree.options.keyboard = false;
-    },
-    close: (event, ui) => {},
-    select: (event, ui) => {
-        const node = $.ui.fancytree.getNode(ui.target);
-
-        if (ui.cmd === "insertNoteHere") {
-            const parentKey = getParentKey(node);
-            const encryption = getParentEncryption(node);
-
-            noteEditor.createNote(node, parentKey, 'after', encryption);
-        }
-        else if (ui.cmd === "insertChildNote") {
-            noteEditor.createNote(node, node.key, 'into');
-        }
-        else if (ui.cmd === "encryptSubTree") {
-            encryption.encryptSubTree(node.key);
-        }
-        else if (ui.cmd === "decryptSubTree") {
-            encryption.decryptSubTree(node.key);
-        }
-        else if (ui.cmd === "cut") {
-            cut(node);
-        }
-        else if (ui.cmd === "pasteAfter") {
-            pasteAfter(node);
-        }
-        else if (ui.cmd === "pasteInto") {
-            pasteInto(node);
-        }
-        else if (ui.cmd === "delete") {
-            deleteNode(node);
-        }
-        else {
-            console.log("Unknown command: " + ui.cmd);
-        }
+        glob.clipboardNoteId = null;
     }
-};
+
+    function pasteInto(node) {
+        const subjectNode = getNodeByKey(glob.clipboardNoteId);
+
+        moveToNode(subjectNode, node);
+
+        glob.clipboardNoteId = null;
+    }
+
+    function cut(node) {
+        glob.clipboardNoteId = node.key;
+    }
+
+    const contextMenuSettings = {
+        delegate: "span.fancytree-title",
+        autoFocus: true,
+        menu: [
+            {title: "Insert note here", cmd: "insertNoteHere", uiIcon: "ui-icon-pencil"},
+            {title: "Insert child note", cmd: "insertChildNote", uiIcon: "ui-icon-pencil"},
+            {title: "Delete", cmd: "delete", uiIcon: "ui-icon-trash"},
+            {title: "----"},
+            {title: "Encrypt sub-tree", cmd: "encryptSubTree", uiIcon: "ui-icon-locked"},
+            {title: "Decrypt sub-tree", cmd: "decryptSubTree", uiIcon: "ui-icon-unlocked"},
+            {title: "----"},
+            {title: "Cut", cmd: "cut", uiIcon: "ui-icon-scissors"},
+            {title: "Copy / clone", cmd: "copy", uiIcon: "ui-icon-copy"},
+            {title: "Paste after", cmd: "pasteAfter", uiIcon: "ui-icon-clipboard"},
+            {title: "Paste into", cmd: "pasteInto", uiIcon: "ui-icon-clipboard"}
+        ],
+        beforeOpen: (event, ui) => {
+            const node = $.ui.fancytree.getNode(ui.target);
+            // Modify menu entries depending on node status
+            treeEl.contextmenu("enableEntry", "pasteAfter", glob.clipboardNoteId !== null);
+            treeEl.contextmenu("enableEntry", "pasteInto", glob.clipboardNoteId !== null);
+
+            // Activate node on right-click
+            node.setActive();
+            // Disable tree keyboard handling
+            ui.menu.prevKeyboard = node.tree.options.keyboard;
+            node.tree.options.keyboard = false;
+        },
+        close: (event, ui) => {},
+        select: (event, ui) => {
+            const node = $.ui.fancytree.getNode(ui.target);
+
+            if (ui.cmd === "insertNoteHere") {
+                const parentKey = getParentKey(node);
+                const encryption = getParentEncryption(node);
+
+                noteEditor.createNote(node, parentKey, 'after', encryption);
+            }
+            else if (ui.cmd === "insertChildNote") {
+                noteEditor.createNote(node, node.key, 'into');
+            }
+            else if (ui.cmd === "encryptSubTree") {
+                encryption.encryptSubTree(node.key);
+            }
+            else if (ui.cmd === "decryptSubTree") {
+                encryption.decryptSubTree(node.key);
+            }
+            else if (ui.cmd === "cut") {
+                cut(node);
+            }
+            else if (ui.cmd === "pasteAfter") {
+                pasteAfter(node);
+            }
+            else if (ui.cmd === "pasteInto") {
+                pasteInto(node);
+            }
+            else if (ui.cmd === "delete") {
+                deleteNode(node);
+            }
+            else {
+                console.log("Unknown command: " + ui.cmd);
+            }
+        }
+    };
+
+    return {
+        pasteAfter,
+        pasteInto,
+        cut,
+        contextMenuSettings
+    }
+})();
\ No newline at end of file
diff --git a/public/javascripts/note_tree.js b/public/javascripts/note_tree.js
index 55acb908a..7f21b4a71 100644
--- a/public/javascripts/note_tree.js
+++ b/public/javascripts/note_tree.js
@@ -161,7 +161,7 @@ const noteTree = (function() {
                         console.log("CTRL-V");
 
                         if (event.ctrlKey) { // Ctrl-V
-                            pasteAfter(node);
+                            contextMenu.pasteAfter(node);
                             return false;
                         }
                         break;
@@ -169,7 +169,7 @@ const noteTree = (function() {
                         console.log("CTRL-X");
 
                         if (event.ctrlKey) { // Ctrl-X
-                            cut(node);
+                            contextMenu.cut(node);
                             return false;
                         }
                         break;
@@ -177,7 +177,7 @@ const noteTree = (function() {
             }
         });
 
-        treeEl.contextmenu(contextMenuSetup);
+        treeEl.contextmenu(contextMenu.contextMenuSettings);
     }
 
     function loadTree() {