CellTree node selection reponding only the first time?

Well, in this case, you're not changing the selection, so there's no SelectionChangeEvent.

Well, in this case, you're not changing the selection, so there's no SelectionChangeEvent. Maybe you're looking for the NoSelectionModel, or for something else than a SelectionModel (e.g. A Cell that responds to click events, or a CellPreviewHandler).

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