/** All selection must be named model objects. */
@Override
public void dragStart(DragSourceEvent event) {
// Workaround for 1GEUS9V
DragSource dragSource = (DragSource) event.widget;
Control control = dragSource.getControl();
if (control != control.getDisplay().getFocusControl()) {
event.doit = false;
return;
}
event.doit = canDrag();
}
