 
     $(document).on 'mousemove.item', @dragItem
     $(document).one 'mouseup.item', @endDragItem
+
+    @mainContent.addClass('u-unclickable')
     # TODO: fire @cancelDrag on ESC
 
   dragItem: (event) =>

    '.js-batch-assign-group-name':  'batchAssignGroupName'
    '.js-batch-assign-group-inner': 'batchAssignGroupInner'
    '.js-batch-macro':              'batchMacro'

  events:
    'mousedown .item': 'startDragItem'


  endDragItem: (event) =>
    return if !@batchSupport
    @mainContent.removeClass('u-unclickable')
    $(document).off 'mousemove.item'
    $(document).off 'mouseup.item'
    pos = @batchDragger.data()
