         })
 
         tdom.on "sortstop", (event, ui) ->
-            parentEl = ui.item.parent()
             itemEl = ui.item
             itemValue = itemEl.scope().value
             itemIndex = itemEl.index()

        $el.on "click", ".select-color .selected-color", (event) ->
            event.preventDefault()
            $scope.$apply ->
                $model.$modelValue.color = $scope.color            
            $el.find(".select-color").hide()

        $scope.$on "$destroy", ->

        itemEl = null
        tdom = $el.find(".sortable")

        tdom.sortable({
            handle: ".row.table-main.visualization",
            dropOnEmpty: true
