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

    group = App.Group.find(groupId)
    users = []

    users.push App.User.find(i) for i in group.user_ids

    @batchAssignGroupName.text group.displayName()
    @batchAssignGroupInner.html $(App.view('ticket_overview/batch_overlay_user_group')(


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