       @mouseIsDown = no
       @mouseDownTempItem = null
 
-  mouseUp:(pubInst, event)->
-    
+  mouseUp:(event)->
+
     clearTimeout @mouseDownTimer
     @mouseIsDown = no
     @cancelDrag = no


  clearDragOverFeedback: do ->
    _.throttle (nodeView, event)->
    
      # log "clear", nodeView.getData().name
      nodeData = nodeView.getData()
      if nodeData.type isnt "file"

  showDragOverFeedback: do ->
    _.throttle (nodeView, event)->

      # log "show", nodeView.getData().name
      nodeData = nodeView.getData()
      if nodeData.type isnt "file"
        nodeView.setClass "drop-target"
