def on_menuSelections_drop(self, event):
source = self.seldrag_selection
target = self.seldrag_target.data()
if source != target:
self.selections.remove(source)
target_index = self.selections.index(target)
if not self.seldrag_target_upper:
target_index += 1
self.selections.insert(target_index, source)
self.populate_selection_menu()
QMenu.dropEvent(self.menuSelections, event)
