Update structure navigation commands

src/commands/view/ComponentEnter.js

@@ -1,6 +1,6 @@
 module.exports = {
   run(ed) {
-    if (!ed.Canvas.hasFocus()) return;
+    if (!ed.Canvas.hasFocus() || ed.getModel().isEditing()) return;
     const toSelect = [];
 
     ed.getSelectedAll().forEach(component => {

src/commands/view/ComponentExit.js

@@ -1,6 +1,6 @@
 module.exports = {
   run(ed) {
-    if (!ed.Canvas.hasFocus()) return;
+    if (!ed.Canvas.hasFocus() || ed.getModel().isEditing()) return;
     const toSelect = [];
 
     ed.getSelectedAll().forEach(component => {

src/commands/view/ComponentNext.js

@@ -1,6 +1,6 @@
 module.exports = {
   run(ed) {
-    if (!ed.Canvas.hasFocus()) return;
+    if (!ed.Canvas.hasFocus() || ed.getModel().isEditing()) return;
     const toSelect = [];
 
     ed.getSelectedAll().forEach(component => {

src/commands/view/ComponentPrev.js

@@ -1,6 +1,6 @@
 module.exports = {
   run(ed) {
-    if (!ed.Canvas.hasFocus()) return;
+    if (!ed.Canvas.hasFocus() || ed.getModel().isEditing()) return;
     const toSelect = [];
 
     ed.getSelectedAll().forEach(component => {

src/dom_components/view/ComponentTextView.js

@@ -120,6 +120,7 @@ module.exports = ComponentView.extend({
   toggleEvents(enable) {
     var method = enable ? 'on' : 'off';
     const mixins = { on, off };
+    this.em.setEditing(enable);
 
     // The ownerDocument is from the frame
     var elDocs = [this.el.ownerDocument, document];

src/editor/model/Editor.js

@@ -38,6 +38,7 @@ const $ = Backbone.$;
 module.exports = Backbone.Model.extend({
   defaults() {
     return {
+      editing: 0,
       selected: new Collection(),
       clipboard: null,
       designerMode: false,
@@ -608,6 +609,15 @@ module.exports = Backbone.Model.extend({
       .attr(this.attrsOrig);
   },
 
+  setEditing(value) {
+    this.set('editing', value);
+    return this;
+  },
+
+  isEditing() {
+    return !!this.get('editing');
+  },
+
   /**
    * Set/get data from the HTMLElement
    * @param  {HTMLElement} el