Get page from frame

src/canvas/model/Frame.js

@@ -141,6 +141,11 @@ export default Model.extend({
     this.removeHeadByAttr('src', src, 'script');
   },
 
+  getPage() {
+    const coll = this.collection;
+    return coll && coll.page;
+  },
+
   _emitUpdated(data = {}) {
     this.em.trigger('frame:updated', { frame: this, ...data });
   },

src/pages/model/Page.js

@@ -20,6 +20,7 @@ export default Model.extend({
     }
     const frms = props.frames || [defFrame];
     const frames = new Frames(frms, config);
+    frames.page = this;
     this.set('frames', frames);
     const um = em && em.get('UndoManager');
     um && um.add(frames);