def areChildrenAllowed(self, itemId):
        return self.items.areChildrenAllowed(itemId)
Sets the text displayed on the status bar.
dataset/ETHPy150Open rwl/muntjac/muntjac/ui/tree.py/Tree.areChildrenAllowed--crossover with--dataset/ETHPy150Open enthought/pyface/pyface/ui/null/action/status_bar_manager.py/StatusBarManager._messages_items_changed