       start: _.bind(@onStartDrag, @)
 
       drag: (e, ui)=>
-        return unless @drag
+        return false unless @drag
         @initializeDrag() unless @drag.band is @drag.bandOver
 
         ui.position.left = Math.max(ui.position.left, @drag.minLeft)

        $(e.target).resizable 'option', 'grid', false
        $(e.target).draggable 'option', 'grid', false

      revert: ($target)-> !$target or !$target.is('.roadmap-band')


  onStartDrag: (e, ui)->

    @project = options.project
    super(milestones, options)
    $(document.body).on 'keyup', (e)=>
      if e.keyCode is 27
        @cancelCreate() if @$newMilestone and @supportsCreate
        if @drag
          @update()
          @drag = null


  createMilestone: (callback)->
