Add container widget

IPython/html/widgets/container/__init__.py

@@ -0,0 +1,1 b''
+from widget import ContainerWidget
  No newline at end of file

IPython/html/widgets/container/model.js

@@ -0,0 +1,2 b''
+var ContainerModel = IPython.WidgetModel.extend({});
+IPython.notebook.widget_manager.register_widget_model('container_widget', ContainerModel);

IPython/html/widgets/container/view.js

@@ -0,0 +1,14 b''
+var ContainerView = IPython.WidgetView.extend({
+    
+    render : function(){
+        this.$el.html('');
+        this.$container = $('<div />')
+            .addClass('container')
+            .addClass(this.model.comm.comm_id);
+        this.$el.append(this.$container);
+    },
+    
+    update : function(){},
+});
+
+IPython.notebook.widget_manager.register_widget_view('ContainerView', ContainerView);

IPython/html/widgets/container/widget.py

@@ -0,0 +1,11 b''
+import os
+
+from ..widget import Widget
+from IPython.utils.traitlets import Unicode
+from IPython.utils.javascript import display_all_js
+
+class ContainerWidget(Widget):
+    target_name = Unicode('container_widget')
+    default_view_name = Unicode('ContainerView')
+    
+    _keys = []