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I am particularly interested in adding a new connection point to an edge, so that it can become a target for another edge.

Ana Mihai
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    Why was this question voted down? I feel confused. I did a lot of research trying to find an answer before asking. What is wrong with it? – Ana Mihai Mar 29 '16 at 22:30
  • What have you tried?, What error do you get? Asking for guides or howtos is not allowed in this site. –  Mar 29 '16 at 23:58
  • I created a connection between a vertex and an edge using this method: graph.insertEdge(defaultParent, id, "value", sourceVertex, targetEdge, style) My user interface updated accordingly and you could see the tip of the edge connected to another edge. This clearly means that a connection is possible between two edges. However, when I try to get the same connection from the user interface (by drag and drop, not by writing code), nothing happens. And thank you for the tip! – Ana Mihai Mar 30 '16 at 00:08

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Not sure why it was voted down either.

The JGraphX documentation shows two API methods for adding a connection:

    graph.addEdge() 

    graph.insertEdge(parent, id, value, source, target, style)
Raffaele
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  • Yes, I can connect an edge to another edge using the "insertEdge" method, in code. However, I am not able to do this connection in the user interface, by dragging the tip of an edge above another edge and establishing a connection (like you would do with a vertex). I figured that I could implement this behaviour by adding a connection point/port on the edge, but I am not sure how this can be done. – Ana Mihai Mar 29 '16 at 23:48