Branch Graph TrackScheme functionality gets lost after a `BranchGraph.graphRebuilt()`
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I noticed the problem with the newly added branch graph and hierarchy track scheme. After changing the ModelGraph, by removing and adding edges, and triggering a BranchGraphSynchronizer.graphRebuilt() the branch graph TrackScheme loses parts of it's functionality:
- The arrow keys (left, right, up, down) are no longer responsive. (This issue likely also affects the dev branch)
- And the view does not update, whenever there is only downward track shown, see #174.
Tested on my Mac.
Things work in the dev branch. In the branch-graph-rendering things work also provided that the special display mode (display only track below) is not selected.
But indeed, if we select 'display tracks downward' and modify the graph, then the bug described above happens. Interestingly, it goes away if we switch back to the normal view.
It seems that it is the focus and/or highlight system that is fscked up.
You are right the dev branch works. The only problem is with the newly added display model. I also found to root of the problem :) There is a list of roots in the LineageTreeLayoutImp it needs to be replace with a proper RootsModel. This RootsModel needs to work similar to the SelectionModelAdapter. I have a fix already, just need to push it.