def visit_QDockArea(self, area):
        central = area.centralWidget()
        if central is None:
            layout = AreaLayout()
        else:
            self.visit(central)
            layout = AreaLayout(self.stack.pop())
        bar_data = defaultdict(list)
        for container, position in area.dockBarContainers():
            bar_data[position].append(container.objectName())
        for bar_pos, names in bar_data.iteritems():
            bar = DockBarLayout(*names, position=self.BAR_POSITIONS[bar_pos])
            layout.dock_bars.append(bar)
        maxed = area.maximizedWidget()
        if maxed is not None:
            name = maxed.objectName()
            for item in layout.find_all(ItemLayout):
                if item.name == name:
                    item.maximized = True
                    break
        self.stack.append(layout)
Testing invalid OGR Data Source Drivers.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/docking/layout_saver.py/LayoutSaver.visit_QDockArea--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/contrib/gis/gdal/tests/test_driver.py/DriverTest.test02_invalid_driver