                 @emptyView = @options.emptyView
 
             @subscribe c.CONCEPT_FOCUS, @showItem
-            @itemsViews = {}
 
         showItem: (model) =>
             @ui.mainTab.tab('show')


        createView: (itemViewClass, options) =>
            view = new itemViewClass(options)

            @itemsViews[options.model.id] = view
            @history.currentView.collection.add(options.model)

            @setCurrentView(view)

        setCurrentView: (view) ->

            model = @_ensureModel(model)

            if @currentView and model.id is @currentView.model.id
                return

            # Determine if this is registered as a custom concept
