   dropAreaHeight: 20
   indentDropAreaMinWidth: 50
   minSocketWidth: 10
+  invisibleSocketWidth: 5
   textHeight: 15
   textPadding: 1
   emptyLineWidth: 50

      else
        super

      # Make ourselves white, with a
      # gray border.
      @path.style.fillColor = '#FFF'
      @path.style.strokeColor = '#FFF'

      return @path


          @minDistanceToBase[0].above + @minDistanceToBase[0].below

      for dimension in @minDimensions
        dimension.width = Math.max(dimension.width,
          if @isInvisibleSocket()
            @view.opts.invisibleSocketWidth
          else
            @view.opts.minSocketWidth)

        if @model.hasDropdown() and @view.opts.showDropdowns
          dimension.width += helper.DROPDOWN_ARROW_WIDTH
