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If the properties view is focused and Edit->Undo is selected (e.g after changing the name of an activity in the view, but other properties are affected, too), that command has no effect.
Created attachment 192523 [details] Patch for Undo/Redo in properties view As far as I can see, it would be the best solution to let the "AutoUndoCommand" not only record any changes with the undo manager of the DOM model, but also handle the undo/redo calls. The attached patch does exactly that.
This is a good start, but it has undesirable side-effects ;) 1. Try adding a new activity from the toolpalette, then focus on the property view and ^Z - the activity is removed from the design canvas but the property view still shows the properties for the (now missing!) activity. 2. Add a fault handler, change something in the property view for the Catch, then ^Z several times - NPE 3. add an Assign and configure some assignment operations, then ^Z several times - the undo should update the widgets as the undostack is unloaded, but alas... Bottom line is that undo/redo still needs a LOT of work :( and this quick fix introduces more problems than it's worth. This is a big task IMO and needs careful investigation, but you are welcome to give it a try ;)
