its only possible to drag a transition from port to port or from state to state, but not from port to state
dragging a transition from a port to a state should also be possible (the required 2nd port should be created automatically like it is done when dragging between two states)
(from redmine: issue id 421, created on 2011-12-30, closed on 2013-07-01)
- Relations:
- relates #1375 (closed)
- parent #841 (closed)