def _enabled_changed(self):
        if self.control is not None:
            self.control.setEnabled(self.enabled)
Given a ``query`` string, converts it into terms for searching in the
dataset/ETHPy150Open enthought/pyface/pyface/ui/qt4/action/action_item.py/_MenuItem._enabled_changed--crossover with--dataset/ETHPy150Open toastdriven/microsearch/microsearch.py/Microsearch.parse_query