   MINIMUM_LEG_HEIGHT = 12
 
   # ToDo: Legs really deserve their own view class at this point.
+  EXPANDED_HEIGHT = 25
 
   class RouteGraphView extends Backbone.View
 

        if @expanded then @_expand() else @_collapse()

    _expand: () ->
      widths = ($(leg).width() for leg in @$el.find '.leg')
      totalWidth = _.reduce widths, (t,w) -> t + w
      heightRatio = EXPANDED_HEIGHT / totalWidth
      heights = (Math.floor(_.max [width * heightRatio, MINIMUM_LEG_HEIGHT]) for width in widths)
      totalHeight = _.reduce heights, (t,h) -> t + h

      @$el.css 'height', totalHeight
      @_moveLegsToTheSide heights
      @_showLegInfos heights

    _collapse: () ->
      @$el.css height: ''

    _moveLegsToTheSide: (legHeights) ->
      cumulativeHeight = 0
      for leg, index in @$el.find('.leg[data-leg]')
        $(leg).data
          collapsedLeft: $(leg).css 'left'
          collapsedWidth: $(leg).css 'width'
        $(leg).css
          top: cumulativeHeight
          height: EXPANDED_HEIGHT - 1 # Leave one pixel for the "gutter"
          left: 0
          width: "#{EXPANDED_HEIGHT}px"
        $('.leg-bar', leg).css 'height', EXPANDED_HEIGHT - 5 # gutter + 2 x padding (ToDO: this isn't the place for this sort of thing)
        cumulativeHeight += EXPANDED_HEIGHT

    _moveLegsToTheTop: () ->
      for leg in @$el.find('.leg[data-leg]')
