             })
 
         @mode = ""
-        @lazy_render_set_timeout = null
 
     getControl:() => @itemControl
     setCanvas:(canvas) =>

        )
        @line_list_view.render()

    lazyRender:()=>
        clearTimeout(@lazy_render_set_timeout) if @lazy_render_set_timeout
        @lazy_render_set_timeout = setTimeout((() =>
            @render()
            @lazy_render_set_timeout = null
        ), 50)

    initControls:(models) =>
        @clear()
        for model in models

        @itemControl.show()
        @itemControl.render()
        @line_list_view.render()

    @::lazyRender = _.debounce(@::render, 50)

    _setChildControlEvent:(view) =>
        view.bind("onClick", (obj, e) =>
