Added syncSvc

src/components/App.vue

@@ -1,5 +1,5 @@
 <template>
-  <div id="app">
+  <div id="app" class="app" v-bind:class="{'app--loading': loading}">
     <layout></layout>
   </div>
 </template>
@@ -11,6 +11,11 @@ export default {
   components: {
     Layout,
   },
+  computed: {
+    loading() {
+      return !this.$store.getters['contents/current'].id;
+    },
+  },
 };
 </script>
 

src/components/Layout.vue

@@ -161,5 +161,15 @@ export default {
 .layout__panel--navigation-bar {
   /* navigationBarHeight */
   height: 44px;
+  background-color: #2c2c2c;
+}
+
+.layout__panel--button-bar,
+.layout__panel--status-bar,
+.layout__panel--side-bar,
+.layout__panel--navigation-bar {
+  .app--loading & > * {
+    display: none !important;
+  }
 }
 </style>

src/components/NavigationBar.vue

@@ -117,9 +117,14 @@ export default {
       this.titleInputElt.style.width = `${width}px`;
     };
 
-    adjustWidth();
     this.titleInputElt.addEventListener('keyup', adjustWidth);
     this.titleInputElt.addEventListener('input', adjustWidth);
+    this.$store.watch(
+      () => this.$store.getters['files/current'].name,
+      adjustWidth, {
+        immediate: true,
+      });
+
     this.titleInputElt.addEventListener('mouseenter', () => {
       this.titleHover = true;
     });
@@ -137,7 +142,6 @@ export default {
   position: absolute;
   width: 100%;
   height: 100%;
-  background-color: #2c2c2c;
   padding: 4px 15px 0;
   overflow: hidden;
 }

src/data/emptyContent.js

@@ -1,7 +1,9 @@
 export default () => ({
+  type: 'content',
   state: {},
   text: '\n',
   properties: {},
   discussions: {},
   comments: {},
+  updated: 0,
 });

src/data/emptyFile.js

@@ -1,4 +1,5 @@
 export default () => ({
+  type: 'file',
   name: '',
   folderId: null,
   contentId: null,

src/index.js

@@ -1,6 +1,7 @@
 import Vue from 'vue';
 import App from './components/App';
 import store from './store';
+import './services/syncSvc';
 import './extensions/';
 import './services/optional';
 import './icons/';

src/services/editorEngineSvc.js

@@ -102,7 +102,7 @@ export default {
     clEditor.on('contentChanged', (text) => {
       store.dispatch('contents/patchCurrent', { text });
       syncDiscussionMarkers();
-      const content = store.getters('contents/current');
+      const content = store.getters['contents/current'];
       if (!isChangePatch) {
         previousPatchableText = currentPatchableText;
         currentPatchableText = clDiffUtils.makePatchableText(content, markerKeys, markerIdxMap);
@@ -123,7 +123,7 @@ export default {
     clEditor.addMarker(newDiscussionMarker1);
   },
   initClEditor(opts, reinit) {
-    const content = store.getters('contents/current');
+    const content = store.getters['contents/current'];
     if (content) {
       const options = Object.assign({}, opts);
 
@@ -156,7 +156,7 @@ export default {
       this.lastExternalChange = Date.now();
     }
     syncDiscussionMarkers();
-    const content = store.getters('contents/current');
+    const content = store.getters['contents/current'];
     return clEditor.setContent(content.text, isExternal);
   },
 };

src/services/editorSvc.js

@@ -42,8 +42,8 @@ const editorSvc = Object.assign(new Vue(), { // Use a vue instance as an event b
   tocElt: null,
   // Other objects
   pagedownEditor: null,
-  options: {},
-  prismGrammars: {},
+  options: null,
+  prismGrammars: null,
   converter: null,
   parsingCtx: null,
   conversionCtx: null,
@@ -172,17 +172,6 @@ const editorSvc = Object.assign(new Vue(), { // Use a vue instance as an event b
    * Initialize the cledit editor with markdown-it section parser and Prism highlighter
    */
   initClEditor() {
-    const contentId = store.getters['contents/current'].id;
-    if (contentId !== lastContentId) {
-      reinitClEditor = true;
-      instantPreview = true;
-      lastContentId = contentId;
-    }
-    if (!contentId) {
-      // This means the content is not loaded yet
-      editorEngineSvc.clEditor.toggleEditable(false);
-      return;
-    }
     const options = {
       sectionHighlighter: section => Prism.highlight(
         section.text, this.prismGrammars[section.data]),
@@ -193,6 +182,9 @@ const editorSvc = Object.assign(new Vue(), { // Use a vue instance as an event b
     };
     editorEngineSvc.initClEditor(options, reinitClEditor);
     editorEngineSvc.clEditor.toggleEditable(true);
+    const contentId = store.getters['contents/current'].id;
+    // Switch off the editor when no content is loaded
+    editorEngineSvc.clEditor.toggleEditable(!!contentId);
     reinitClEditor = false;
     this.restoreScrollPosition();
   },
@@ -717,14 +709,27 @@ const editorSvc = Object.assign(new Vue(), { // Use a vue instance as an event b
     //   }
     // })
 
+    // Watch file content properties changes
     store.watch(
       () => store.getters['contents/current'].properties,
       (properties) => {
-        const options = properties && extensionSvc.getOptions(properties, true);
+        // Track ID changes at the same time
+        const contentId = store.getters['contents/current'].id;
+        let initClEditor = false;
+        if (contentId !== lastContentId) {
+          reinitClEditor = true;
+          instantPreview = true;
+          lastContentId = contentId;
+          initClEditor = true;
+        }
+        const options = extensionSvc.getOptions(properties, true);
         if (JSON.stringify(options) !== JSON.stringify(editorSvc.options)) {
           editorSvc.options = options;
           editorSvc.initPrism();
           editorSvc.initConverter();
+          initClEditor = true;
+        }
+        if (initClEditor) {
           editorSvc.initClEditor();
         }
       }, {

src/services/localDbSvc.js

@@ -96,21 +96,26 @@ class Connection {
   }
 }
 
-class Storage {
-  constructor() {
-    this.lastTx = 0;
-    this.updatedMap = Object.create(null);
-    this.connection = new Connection();
-  }
+export default {
+  lastTx: 0,
+  updatedMap: Object.create(null),
+  connection: new Connection(),
 
   sync() {
-    const storeItemMap = {};
-    [
-      store.state.files,
-    ].forEach(moduleState => Object.assign(storeItemMap, moduleState.itemMap));
-    const tx = this.connection.createTx();
-    this.readAll(storeItemMap, tx, () => this.writeAll(storeItemMap, tx));
-  }
+    return new Promise((resolve) => {
+      const storeItemMap = {};
+      [
+        store.state.contents,
+        store.state.files,
+      ].forEach(moduleState => Object.assign(storeItemMap, moduleState.itemMap));
+      this.connection.createTx((tx) => {
+        this.readAll(storeItemMap, tx, () => {
+          this.writeAll(storeItemMap, tx);
+          resolve();
+        });
+      });
+    });
+  },
 
   readAll(storeItemMap, tx, cb) {
     let resetMap;
@@ -130,7 +135,15 @@ class Storage {
     const itemsToDelete = [];
     index.openCursor(range).onsuccess = (event) => {
       const cursor = event.target.result;
-      if (!cursor) {
+      if (cursor) {
+        const item = cursor.value;
+        items.push(item);
+        // Remove old deleted markers
+        if (!item.updated && tx.txCounter - item.tx > deletedMarkerMaxAge) {
+          itemsToDelete.push(item);
+        }
+        cursor.continue();
+      } else {
         itemsToDelete.forEach((item) => {
           dbStore.delete(item.id);
         });
@@ -146,15 +159,8 @@ class Storage {
         items.forEach(item => this.readDbItem(item, storeItemMap));
         cb();
       }
-      const item = cursor.value;
-      items.push(item);
-      // Remove old deleted markers
-      if (!item.updated && tx.txCounter - item.tx > deletedMarkerMaxAge) {
-        itemsToDelete.push(item);
-      }
-      cursor.continue();
     };
-  }
+  },
 
   writeAll(storeItemMap, tx) {
     this.lastTx = tx.txCounter;
@@ -191,7 +197,7 @@ class Storage {
         this.updatedMap[item.id] = item.updated;
       }
     }
-  }
+  },
 
   readDbItem(dbItem, storeItemMap) {
     const existingStoreItem = storeItemMap[dbItem.id];
@@ -206,17 +212,11 @@ class Storage {
         }
       }
     } else if (this.updatedMap[dbItem.id] !== dbItem.updated) {
-      const storeItem = {
-        ...dbItem,
-        tx: undefined,
-      };
-      this.updatedMap[storeItem.id] = storeItem.updated;
-      storeItemMap[storeItem.id] = storeItem;
+      this.updatedMap[dbItem.id] = dbItem.updated;
+      storeItemMap[dbItem.id] = dbItem;
       // Put object in the store
-      const prefix = getStorePrefixFromType(storeItem.type);
-      store.commit(`${prefix}/setItem`, storeItem);
+      const prefix = getStorePrefixFromType(dbItem.type);
+      store.commit(`${prefix}/setItem`, dbItem);
     }
-  }
-}
-
-export default Storage;
+  },
+};

src/services/syncSvc.js

@@ -0,0 +1,48 @@
+import localDbSvc from './localDbSvc';
+import store from '../store';
+import welcomeFile from '../data/welcomeFile.md';
+import utils from './utils';
+
+const ifNoId = cb => (obj) => {
+  if (obj.id) {
+    return obj;
+  }
+  return cb();
+};
+
+// Watch file changing
+store.watch(
+  () => store.getters['files/current'].id,
+  () => Promise.resolve(store.getters['files/current'])
+    // If current file has no ID, get the most recent file
+    .then(ifNoId(() => store.getters['files/mostRecent']))
+    // If no ID, load the DB (we're booting)
+    .then(ifNoId(() => localDbSvc.sync()
+      // Retry
+      .then(() => store.getters['files/current'])
+      .then(ifNoId(() => store.getters['files/mostRecent'])),
+    ))
+    // Finally create a new file
+    .then(ifNoId(() => {
+      const contentId = utils.uid();
+      store.commit('contents/setItem', {
+        id: contentId,
+        text: welcomeFile,
+      });
+      const fileId = utils.uid();
+      store.commit('files/setItem', {
+        id: fileId,
+        name: 'Welcome file',
+        contentId,
+      });
+      return store.state.files.itemMap[fileId];
+    }))
+    .then((currentFile) => {
+      store.commit('files/patchItem', { id: currentFile.id });
+      store.commit('files/setCurrentId', currentFile.id);
+    }),
+  {
+    immediate: true,
+  });
+
+utils.setInterval(() => localDbSvc.sync(), 1200);

src/services/utils.js

@@ -6,6 +6,10 @@ const array = new Uint32Array(20);
 export default {
   uid() {
     crypto.getRandomValues(array);
-    return array.map(value => alphabet[value % radix]).join('');
+    return array.cl_map(value => alphabet[value % radix]).join('');
+  },
+  setInterval(func, interval) {
+    const randomizedInterval = Math.floor((1 + ((Math.random() - 0.5) * 0.1)) * interval);
+    setInterval(() => func(), randomizedInterval);
   },
 };

src/store/index.js

@@ -1,6 +1,7 @@
 import createLogger from 'vuex/dist/logger';
 import Vue from 'vue';
 import Vuex from 'vuex';
+import contents from './modules/contents';
 import files from './modules/files';
 import layout from './modules/layout';
 import editor from './modules/editor';
@@ -11,6 +12,7 @@ const debug = process.env.NODE_ENV !== 'production';
 
 const store = new Vuex.Store({
   modules: {
+    contents,
     files,
     layout,
     editor,

src/store/modules/contents.js

@@ -1,12 +1,12 @@
 import moduleTemplate from './moduleTemplate';
-import emptyContent from '../../data/emptyContent';
+import empty from '../../data/emptyContent';
 
-const module = moduleTemplate();
+const module = moduleTemplate(empty);
 
 module.getters = {
   ...module.getters,
   current: (state, getters, rootState, rootGetters) =>
-    state.itemMap[rootGetters['files/current'].contentId] || emptyContent(),
+    state.itemMap[rootGetters['files/current'].contentId] || empty(),
 };
 
 module.actions = {

src/store/modules/files.js

@@ -1,7 +1,7 @@
 import moduleTemplate from './moduleTemplate';
-import defaultFile from '../../data/emptyFile';
+import empty from '../../data/emptyFile';
 
-const module = moduleTemplate();
+const module = moduleTemplate(empty);
 
 module.state = {
   ...module.state,
@@ -10,7 +10,17 @@ module.state = {
 
 module.getters = {
   ...module.getters,
-  current: state => state.itemMap[state.currentId] || defaultFile(),
+  current: state => state.itemMap[state.currentId] || empty(),
+  itemsByUpdated: (state, getters) =>
+    getters.items.slice().sort((file1, file2) => file2.updated - file1.updated),
+  mostRecent: (state, getters) => getters.itemsByUpdated[0] || empty(),
+};
+
+module.mutations = {
+  ...module.mutations,
+  setCurrentId(state, value) {
+    state.currentId = value;
+  },
 };
 
 module.actions = {

src/store/modules/moduleTemplate.js

@@ -1,23 +1,31 @@
 import Vue from 'vue';
+import utils from '../../services/utils';
 
-export default () => ({
+export default empty => ({
   namespaced: true,
   state: {
     itemMap: {},
   },
-  getters: {},
+  getters: {
+    items: state => Object.keys(state.itemMap).map(key => state.itemMap[key]),
+  },
   mutations: {
-    setItem(state, item) {
+    setItem(state, value) {
+      const item = Object.assign(empty(), value);
+      if (!item.id) {
+        item.id = utils.uid();
+      }
+      if (!item.updated) {
+        item.updated = Date.now();
+      }
       Vue.set(state.itemMap, item.id, item);
     },
     patchItem(state, patch) {
       const item = state.itemMap[patch.id];
       if (item) {
-        Vue.set(state.itemMap, item.id, {
-          ...item,
-          ...patch,
-          updated: Date.now(), // Trigger sync
-        });
+        Object.assign(item, patch);
+        item.updated = Date.now(); // Trigger sync
+        Vue.set(state.itemMap, item.id, item);
       }
     },
     deleteItem(state, id) {