Facing some issue while adding node on top port of another Node

@JP wrote:

Hi,
I am trying to add node to the another node(especially at port "T") when it's dropped from the palette.

ExternalObjectsDropped

  myDiagram.addDiagramListener("ExternalObjectsDropped", function (e) {

         var selectedNode = e.diagram.selection.first();
         e.diagram.startTransaction("Add Node");
         var selectnewNode= {name: "newNode",figure: "Circle",loc:selectedNode.location};
	 e.diagram.model.addNodeData(selectnewNode);   // adding Node
         e.diagram.commitTransaction("Add Node");
            var selectnewNode = e.diagram.findNodeForData(selectnewNode)
e.diagram.startTransaction("Add Link");
var linkData = { to: selectedNode.data.key, from: selectnewNode.data.key, fromPort: "B", toPort: "T"};
    e.diagram.model.addLinkData(linkData); // Adding Link
e.diagram.commitTransaction("Add Link");
    var selectLink = e.diagram.findLinkForData(linkData)

}

I have written some logic to move the newly node position to another node(which is dropped from palette) position

I am expecting output like this

But I am getting output like this:

And also that after dropping node and If I clicked button 'MakeNodeOnTop" which will give same output as I expected.

ExternalObejctDropped & MakeNodeOnTop() logic are same but expected output is not coming in ExternalObejctDropped. Can you tell me why?

I have add some example on this:
http://codepen.io/jothipandiyanjp/pen/pROyrb?editors=1000

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