Move displayed event to view.

IPython/html/static/widgets/js/manager.js

@@ -86,6 +86,7 b''
                     cell.widget_area.show();
                     this._handle_display_view(view);
                     cell.widget_subarea.append(view.$el);
+                    view.trigger('displayed');
                 }
             }
         };

IPython/html/static/widgets/js/widget.js

@@ -83,7 +83,6 b' function(WidgetManager, _, Backbone){'
                     break;
                 case 'display':
                     this.widget_manager.display_view(msg, this);
-                    this.trigger('displayed');
                     break;
             }
         },

IPython/html/static/widgets/js/widget_container.js

@@ -30,11 +30,11 b' define(["widgets/js/widget"], function(WidgetManager) {'
             // Trigger model displayed events for any models that are child to 
             // this model when this model is displayed.
             var that = this;
-            this.model.on('displayed', function(){
+            this.on('displayed', function(){
                 that.is_displayed = true;
                 for (var property in that.child_views) {
                     if (that.child_views.hasOwnProperty(property)) {
-                        that.child_views[property].model.trigger('displayed');
+                        that.child_views[property].trigger('displayed');
                     }
                 }
             });
@@ -60,7 +60,7 b' define(["widgets/js/widget"], function(WidgetManager) {'
 
             // Trigger the displayed event if this model is displayed.
             if (this.is_displayed) {
-                model.trigger('displayed');
+                view.trigger('displayed');
             }
         },
         
@@ -192,11 +192,11 b' define(["widgets/js/widget"], function(WidgetManager) {'
 
             // Trigger model displayed events for any models that are child to 
             // this model when this model is displayed.
-            this.model.on('displayed', function(){
+            this.on('displayed', function(){
                 that.is_displayed = true;
                 for (var property in that.child_views) {
                     if (that.child_views.hasOwnProperty(property)) {
-                        that.child_views[property].model.trigger('displayed');
+                        that.child_views[property].trigger('displayed');
                     }
                 }
             });
@@ -264,7 +264,7 b' define(["widgets/js/widget"], function(WidgetManager) {'
 
             // Trigger the displayed event if this model is displayed.
             if (this.is_displayed) {
-                model.trigger('displayed');
+                view.trigger('displayed');
             }
         },
         

IPython/html/static/widgets/js/widget_selectioncontainer.js

@@ -36,14 +36,14 b' define(["widgets/js/widget"], function(WidgetManager){'
                 this.update_titles(value);
             }, this);
             var that = this;
-            this.model.on('displayed', function() {
+            this.on('displayed', function() {
                 this.update_titles();
                 // Trigger model displayed events for any models that are child to 
                 // this model when this model is displayed.
                 that.is_displayed = true;
                 for (var property in that.child_views) {
                     if (that.child_views.hasOwnProperty(property)) {
-                        that.child_views[property].model.trigger('displayed');
+                        that.child_views[property].trigger('displayed');
                     }
                 }
             }, this);
@@ -137,7 +137,7 b' define(["widgets/js/widget"], function(WidgetManager){'
 
             // Trigger the displayed event if this model is displayed.
             if (this.is_displayed) {
-                model.trigger('displayed');
+                view.trigger('displayed');
             }
         },
     });
@@ -170,11 +170,11 b' define(["widgets/js/widget"], function(WidgetManager){'
 
             // Trigger model displayed events for any models that are child to 
             // this model when this model is displayed.
-            this.model.on('displayed', function(){
+            this.on('displayed', function(){
                 that.is_displayed = true;
                 for (var property in that.child_views) {
                     if (that.child_views.hasOwnProperty(property)) {
-                        that.child_views[property].model.trigger('displayed');
+                        that.child_views[property].trigger('displayed');
                     }
                 }
             });
@@ -233,7 +233,7 b' define(["widgets/js/widget"], function(WidgetManager){'
 
             // Trigger the displayed event if this model is displayed.
             if (this.is_displayed) {
-                model.trigger('displayed');
+                view.trigger('displayed');
             }
         },