     @nodes[@getNodeId nodeData] = {}
 
     if options.putDepthInfo
-      if @nodes[@getNodePId nodeData]?.getData?
+      if @nodes[@getNodePId nodeData]
         nodeData.depth = @nodes[@getNodePId(nodeData)].getData().depth + 1
       else
         nodeData.depth = 0


    # if node parent is present
    parentNodeView = @nodes[@getNodePId nodeData]
    if parentNodeView?.getData?
      prevNeighbor  = getPreviousNeighbor parentNodeView.getData()
      neighborIndex = @indexedNodes.indexOf prevNeighbor
      @indexedNodes.splice neighborIndex + 1, 0, nodeData

    nodeData = nodeView.getData()
    nodeView.$().attr "draggable","true" if @getOptions().dragdrop
    {id, parentId} = nodeData
    @nodes[@getNodeId nodeData] = nodeView
    if @nodes[@getNodePId nodeData]
      @expand @nodes[@getNodePId nodeData] unless @getOptions().addListsCollapsed
      # todo: make decoration with events
      @nodes[@getNodePId nodeData].decorateSubItemsState()
    return unless @listControllers[id]
    @addSubList nodeView, id

