don't allow deleting hoisted note + other related fixes, closes #488

src/public/javascripts/mobile.js

@@ -86,10 +86,10 @@ $("#note-menu-button").click(async e => {
             enabled: isNotRoot && parentNote.type !== 'search' }
     ];
 
-    contextMenuWidget.initContextMenu(e, items, (event, cmd) => {
+    contextMenuWidget.initContextMenu(e, items, async (event, cmd) => {
         if (cmd === "insertNoteAfter") {
             const parentNoteId = node.data.parentNoteId;
-            const isProtected = treeUtils.getParentProtectedStatus(node);
+            const isProtected = await treeUtils.getParentProtectedStatus(node);
 
             treeService.createNote(node, parentNoteId, 'after', { isProtected: isProtected });
         }

src/public/javascripts/services/branches.js

@@ -3,9 +3,10 @@ import utils from './utils.js';
 import server from './server.js';
 import infoService from "./info.js";
 import treeCache from "./tree_cache.js";
+import hoistedNoteService from "./hoisted_note.js";
 
 async function moveBeforeNode(nodesToMove, beforeNode) {
-    nodesToMove = filterRootNote(nodesToMove);
+    nodesToMove = await filterRootNote(nodesToMove);
 
     if (beforeNode.data.noteId === 'root') {
         alert('Cannot move notes before root note.');
@@ -29,9 +30,9 @@ async function moveBeforeNode(nodesToMove, beforeNode) {
 }
 
 async function moveAfterNode(nodesToMove, afterNode) {
-    nodesToMove = filterRootNote(nodesToMove);
+    nodesToMove = await filterRootNote(nodesToMove);
 
-    if (afterNode.data.noteId === 'root') {
+    if (afterNode.data.noteId === 'root' || afterNode.data.noteId === await hoistedNoteService.getHoistedNoteId()) {
         alert('Cannot move notes after root note.');
         return;
     }
@@ -55,7 +56,7 @@ async function moveAfterNode(nodesToMove, afterNode) {
 }
 
 async function moveToNode(nodesToMove, toNode) {
-    nodesToMove = filterRootNote(nodesToMove);
+    nodesToMove = await filterRootNote(nodesToMove);
 
     for (const nodeToMove of nodesToMove) {
         const resp = await server.put('branches/' + nodeToMove.data.branchId + '/move-to/' + toNode.data.noteId);
@@ -76,13 +77,8 @@ async function moveToNode(nodesToMove, toNode) {
     }
 }
 
-function filterRootNote(nodes) {
-    // some operations are not possible on root notes
-    return nodes.filter(node => node.data.noteId !== 'root');
-}
-
 async function deleteNodes(nodes) {
-    nodes = filterRootNote(nodes);
+    nodes = await filterRootNote(nodes);
 
     if (nodes.length === 0 || !confirm('Are you sure you want to delete select note(s) and all the sub-notes?')) {
         return;
@@ -92,8 +88,6 @@ async function deleteNodes(nodes) {
         await server.remove('branches/' + node.data.branchId);
     }
 
-
-
     // following code assumes that nodes contain only top-most selected nodes - getSelectedNodes has been
     // called with stopOnParent=true
     let next = nodes[nodes.length - 1].getNextSibling();
@@ -102,7 +96,7 @@ async function deleteNodes(nodes) {
         next = nodes[0].getPrevSibling();
     }
 
-    if (!next && !utils.isTopLevelNode(nodes[0])) {
+    if (!next && !hoistedNoteService.isTopLevelNode(nodes[0])) {
         next = nodes[0].getParent();
     }
 
@@ -129,7 +123,7 @@ async function deleteNodes(nodes) {
 }
 
 async function moveNodeUpInHierarchy(node) {
-    if (utils.isRootNode(node) || utils.isTopLevelNode(node)) {
+    if (await hoistedNoteService.isRootNode(node) || await hoistedNoteService.isTopLevelNode(node)) {
         return;
     }
 
@@ -140,7 +134,7 @@ async function moveNodeUpInHierarchy(node) {
         return;
     }
 
-    if (!utils.isTopLevelNode(node) && node.getParent().getChildren().length <= 1) {
+    if (!hoistedNoteService.isTopLevelNode(node) && node.getParent().getChildren().length <= 1) {
         node.getParent().folder = false;
         node.getParent().renderTitle();
     }
@@ -202,6 +196,14 @@ async function changeNode(func, node, beforeNoteId = null, afterNoteId = null) {
     }
 }
 
+async function filterRootNote(nodes) {
+    const hoistedNoteId = await hoistedNoteService.getHoistedNoteId();
+
+    return nodes.filter(node =>
+        node.data.noteId !== 'root'
+        && node.data.noteId !== hoistedNoteId);
+}
+
 export default {
     moveBeforeNode,
     moveAfterNode,

src/public/javascripts/services/context_menu.js

@@ -42,7 +42,7 @@ function initContextMenu(event, contextMenuItems, selectContextMenuItem) {
                     });
 
                 if (item.enabled !== undefined && !item.enabled) {
-                    $link.addClass("disabled");
+                    $item.addClass("disabled");
                 }
 
                 if (item.items) {

src/public/javascripts/services/frontend_script_api.js

@@ -236,7 +236,7 @@ function FrontendScriptApi(startNote, currentNote, originEntity = null) {
 
     /**
      * @method
-     * @returns {string} returns note path of active note
+     * @returns {Promise<string>} returns note path of active note
      */
     this.getActiveNotePath = treeService.getActiveNotePath;
 

src/public/javascripts/services/hoisted_note.js

@@ -26,8 +26,20 @@ async function unhoist() {
     await setHoistedNoteId('root');
 }
 
+async function isTopLevelNode(node) {
+    return await isRootNode(node.getParent());
+}
+
+async function isRootNode(node) {
+    // even though check for 'root' should not be necessary, we keep it just in case
+    return node.data.noteId === "root"
+        || node.data.noteId === await getHoistedNoteId();
+}
+
 export default {
     getHoistedNoteId,
     setHoistedNoteId,
-    unhoist
+    unhoist,
+    isTopLevelNode,
+    isRootNode
 }

src/public/javascripts/services/note_detail.js

@@ -270,7 +270,7 @@ async function showChildrenOverview() {
 
     $childrenOverview.empty();
 
-    const notePath = treeService.getActiveNotePath();
+    const notePath = await treeService.getActiveNotePath();
 
     for (const childBranch of await note.getChildBranches()) {
         const link = $('<a>', {

src/public/javascripts/services/tree.js

@@ -39,10 +39,8 @@ function getActiveNode() {
     return $tree.fancytree("getActiveNode");
 }
 
-function getActiveNotePath() {
-    const node = getActiveNode();
-
-    return treeUtils.getNotePath(node);
+async function getActiveNotePath() {
+    return getHashValueFromAddress();
 }
 
 async function getNodesByBranchId(branchId) {
@@ -325,16 +323,16 @@ async function setExpandedToServer(branchId, isExpanded) {
 function addRecentNote(branchId, notePath) {
     setTimeout(async () => {
         // we include the note into recent list only if the user stayed on the note at least 5 seconds
-        if (notePath && notePath === getActiveNotePath()) {
+        if (notePath && notePath === await getActiveNotePath()) {
             await server.post('recent-notes', { branchId, notePath });
         }
     }, 1500);
 }
 
-function setCurrentNotePathToHash(node) {
+async function setCurrentNotePathToHash(node) {
     utils.assertArguments(node);
 
-    const activeNotePath = treeUtils.getNotePath(node);
+    const activeNotePath = await treeUtils.getNotePath(node);
     const currentBranchId = node.data.branchId;
 
     document.location.hash = activeNotePath;
@@ -412,14 +410,14 @@ function initFancyTree(tree) {
                 return false;
             }
         },
-        activate: (event, data) => {
+        activate: async (event, data) => {
             const node = data.node;
             const noteId = node.data.noteId;
 
             // click event won't propagate so let's close context menu manually
             contextMenuWidget.hideContextMenu();
 
-            setCurrentNotePathToHash(node);
+            await setCurrentNotePathToHash(node);
 
             noteDetailService.switchToNote(noteId);
 
@@ -721,7 +719,7 @@ messagingService.subscribeToSyncMessages(syncData => {
 utils.bindShortcut('ctrl+o', async () => {
     const node = getActiveNode();
     const parentNoteId = node.data.parentNoteId;
-    const isProtected = treeUtils.getParentProtectedStatus(node);
+    const isProtected = await treeUtils.getParentProtectedStatus(node);
 
     if (node.data.noteId === 'root' || node.data.noteId === await hoistedNoteService.getHoistedNoteId()) {
         return;
@@ -774,11 +772,11 @@ utils.bindShortcut('ctrl+p', createNoteInto);
 
 utils.bindShortcut('ctrl+.', scrollToActiveNote);
 
-$(window).bind('hashchange', function() {
+$(window).bind('hashchange', async function() {
     if (isNotePathInAddress()) {
         const notePath = getHashValueFromAddress();
 
-        if (notePath !== '-' && getActiveNotePath() !== notePath) {
+        if (notePath !== '-' && await getActiveNotePath() !== notePath) {
             console.debug("Switching to " + notePath + " because of hash change");
 
             activateNote(notePath);

src/public/javascripts/services/tree_context_menu.js

@@ -110,7 +110,7 @@ async function getTopLevelItems(event) {
             items: insertChildNoteEnabled ? getNoteTypeItems("insertChildNote") : null,
             enabled: insertChildNoteEnabled },
         { title: "Delete <kbd>Delete</kbd>", cmd: "delete", uiIcon: "trash",
-            enabled: isNotRoot && parentNote.type !== 'search' },
+            enabled: isNotRoot && !isHoisted && parentNote.type !== 'search' },
         { title: "----" },
         isHoisted ? null : { title: "Hoist note <kbd>Ctrl-H</kbd>", cmd: "hoist", uiIcon: "empty" },
         !isHoisted || !isNotRoot ? null : { title: "Unhoist note <kbd>Ctrl-H</kbd>", cmd: "unhoist", uiIcon: "arrow-up" },
@@ -156,13 +156,13 @@ async function getContextMenuItems(event) {
     return items;
 }
 
-function selectContextMenuItem(event, cmd) {
+async function selectContextMenuItem(event, cmd) {
     // context menu is always triggered on current node
     const node = treeService.getActiveNode();
 
     if (cmd.startsWith("insertNoteAfter")) {
         const parentNoteId = node.data.parentNoteId;
-        const isProtected = treeUtils.getParentProtectedStatus(node);
+        const isProtected = await treeUtils.getParentProtectedStatus(node);
         const type = cmd.split("_")[1];
 
         treeService.createNote(node, parentNoteId, 'after', {

src/public/javascripts/services/tree_keybindings.js

@@ -109,8 +109,8 @@ const keyBindings = {
 
         return false;
     },
-    "backspace": node => {
-        if (!utils.isRootNode(node)) {
+    "backspace": async node => {
+        if (!await hoistedNoteService.isRootNode(node)) {
             node.getParent().setActive().then(treeService.clearSelectedNodes);
         }
     },

src/public/javascripts/services/tree_utils.js

@@ -1,10 +1,11 @@
 import utils from './utils.js';
+import hoistedNoteService from './hoisted_note.js';
 import treeCache from "./tree_cache.js";
 
 const $tree = $("#tree");
 
-function getParentProtectedStatus(node) {
-    return utils.isRootNode(node) ? 0 : node.getParent().data.isProtected;
+async function getParentProtectedStatus(node) {
+    return await hoistedNoteService.isRootNode(node) ? 0 : node.getParent().data.isProtected;
 }
 
 function getNodeByKey(key) {
@@ -21,10 +22,15 @@ function getNoteIdFromNotePath(notePath) {
     return path[path.length - 1];
 }
 
-function getNotePath(node) {
+async function getNotePath(node) {
+    if (!node) {
+        console.error("Node is null");
+        return "";
+    }
+
     const path = [];
 
-    while (node && !utils.isRootNode(node)) {
+    while (node && !await hoistedNoteService.isRootNode(node)) {
         if (node.data.noteId) {
             path.push(node.data.noteId);
         }
@@ -32,7 +38,7 @@ function getNotePath(node) {
         node = node.getParent();
     }
 
-    path.push('root');
+    path.push(node.data.noteId); // root or hoisted noteId
 
     return path.reverse().join("/");
 }

src/public/javascripts/services/utils.js

@@ -60,14 +60,6 @@ function assertArguments() {
     }
 }
 
-function isTopLevelNode(node) {
-    return isRootNode(node.getParent());
-}
-
-function isRootNode(node) {
-    return node.data.noteId === "root";
-}
-
 function escapeHtml(str) {
     return $('<div/>').text(str).html();
 }
@@ -211,8 +203,6 @@ export default {
     isElectron,
     isMac,
     assertArguments,
-    isTopLevelNode,
-    isRootNode,
     escapeHtml,
     stopWatch,
     formatValueWithWhitespace,

src/services/notes.js

@@ -12,6 +12,7 @@ const Link = require('../entities/link');
 const NoteRevision = require('../entities/note_revision');
 const Branch = require('../entities/branch');
 const Attribute = require('../entities/attribute');
+const hoistedNoteService = require('../services/hoisted_note');
 
 async function getNewNotePosition(parentNoteId, noteData) {
     let newNotePos = 0;
@@ -364,7 +365,10 @@ async function deleteNote(branch) {
         return;
     }
 
-    if (branch.branchId === 'root' || branch.noteId === 'root') {
+    if (branch.branchId === 'root'
+        || branch.noteId === 'root'
+        || branch.noteId === await hoistedNoteService.getHoistedNoteId()) {
+
         throw new Error("Can't delete root branch/note");
     }