D3 force directed graph with drag and drop support to make selected node position fixed when dropped

Question

Example on a force direct graph can be found here: http://bl.ocks.org/950642

How can I easily add support for drag and drop? It should set the node to fixed with cur

Answer 1

Finally got it working after figuring out it is not ideal to fight with two "drag" listeners (your own, and force.drag) attached to the nodes!

Much better to only have your own "drag"-listener and call tick() manually which is the key feature of getting the force graph to position the nodes for you on every new node position on the node your dragging.

Working example: http://bl.ocks.org/2883411