         return result
 
     fn(this)
-
-  move: (newx, newy) ->
-    super(newx, newy)
-    @update()
 
 collection_dropdown_menu = [
   {


  defaultBBoxAt: (pos) ->
    min: (x: pos.x - default_node_radius*2, y: pos.y - default_node_radius*2)
    len: (x: default_node_radius*4, y: default_node_radius*4)

  copyNodesFrom: (nc) ->
    @nodes = [

    ctx.textAlign = 'center'
    ctx.textBaseline = 'top'

    ctx.fillText(@label + ":" + @value,0,@len_y)

    ctx.restore()

    for n in @contains
      n.render(ctx)

  update: ->
    @value = 0

    if @contains.length > 0
      minx = maxx = @contains[0].x
