   "backbone"
   "common/has_properties"
   "common/continuum_view"
+  "source/column_data_source"
 ], (
   _,
   $,
   $1,
   Backbone,
   HasProperties,
-  ContinuumView) ->
+  ContinuumView,
+  ColumnDataSource) ->
 
   class ObjectExplorerView extends ContinuumView.View
     initialize: (options) ->

          "<span style=\"color:#{color}\">#{value}</span>"
        ])

      @node(html.join(""), "", icon, children)

    isRef: (obj) ->
      _.isObject(obj) and (_.isEqual(_.keys(obj), ["id", "type"]) or

          items: @createContextMenu
        plugins: ["contextmenu"]

      return tree

    render: () ->
      @$toolbar = @renderToolbar()
      @$tree = @renderTree()
