fix setup of new document, closes #966

src/public/app/services/hoisted_note.js

@@ -0,0 +1,63 @@
+import options from './options.js';
+import appContext from "./app_context.js";
+import treeService from "./tree.js";
+
+function getHoistedNoteId() {
+    return options.get('hoistedNoteId');
+}
+
+async function setHoistedNoteId(noteId) {
+    await options.save('hoistedNoteId', noteId);
+
+    // FIXME - just use option load event
+    appContext.triggerEvent('hoistedNoteChanged', {noteId});
+}
+
+async function unhoist() {
+    await setHoistedNoteId('root');
+}
+
+function isTopLevelNode(node) {
+    return isRootNode(node.getParent());
+}
+
+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 === getHoistedNoteId();
+}
+
+async function checkNoteAccess(notePath) {
+    // notePath argument can contain only noteId which is not good when hoisted since
+    // then we need to check the whole note path
+    const runNotePath = await treeService.getRunPath(notePath);
+
+    if (!runNotePath) {
+        console.log("Cannot activate " + notePath);
+        return false;
+    }
+
+    const hoistedNoteId = getHoistedNoteId();
+
+    if (hoistedNoteId !== 'root' && !runNotePath.includes(hoistedNoteId)) {
+        const confirmDialog = await import('../dialogs/confirm.js');
+
+        if (!await confirmDialog.confirm("Requested note is outside of hoisted note subtree and you must unhoist to access the note. Do you want to proceed with unhoisting?")) {
+            return false;
+        }
+
+        // unhoist so we can activate the note
+        await unhoist();
+    }
+
+    return true;
+}
+
+export default {
+    getHoistedNoteId,
+    setHoistedNoteId,
+    unhoist,
+    isTopLevelNode,
+    isRootNode,
+    checkNoteAccess
+}