When using FigureCanvasXYLocator in a dragTo, I get an exception saying that widget was not found. But in our RCP application, I have an editor open and visible. The editor doesn't have focus, because I'm dragging from a tree in a view.
So my question is, what is the criteria for FigureCanvasXYLocator ?? What is it looking for ? Maybe it's a flaw in our application and I can fix it.
I also tried to apply the name of the editor, but with same result.
Then I tried just a simple
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but that caused a null pointer exception: