Thank you for reporting this bug. We will make it our priority to review this report.
[FNR] TreeGridDragSource.onDragStart doesn't work correctly with CellSelectionModel
on GXT 2.2 and before
if the tree grid selection model is a CellSelectionModel nothing append
because the method treeGrid.getSelectionModel().getSelectedItems() don't return anything
we need to do something like that near line 84
GridSelectionModel<ModelData> sm = treeGrid.getSelectionModel();
if (sm instanceof CellSelectionModel<?>)
sel = new ArrayList();
sel = treeGrid.getSelectionModel().getSelectedItems();
This is already fixed in SVN. But you should rethink this approach if it makes sense to use CellSelectionModel to drag a hole row.
yes for me it make sense because the end-user edit cells and prefer the CellSelectionModel for this