How to use the cfclient.ui function in cfclient

try:
            for tName in Config().get("open_tabs").split(","):
                t = tabItems[tName]
                if (t is not None and t.isEnabled()):
                    # Toggle though menu so it's also marked as open there
                    t.toggle()
        except Exception as e:
            logger.warning("Exception while opening tabs [{}]".format(e))

        # Loading toolboxes (A bit of magic for a lot of automatic)
        self.toolboxesMenuItem = QMenu("Toolboxes", self.menuView,
                                       enabled=True)
        self.menuView.addMenu(self.toolboxesMenuItem)

        self.toolboxes = []
        for t_class in cfclient.ui.toolboxes.toolboxes:
            toolbox = t_class(cfclient.ui.pluginhelper)
            dockToolbox = MyDockWidget(toolbox.getName())
            dockToolbox.setWidget(toolbox)
            self.toolboxes += [dockToolbox, ]

            # Add menu item for the toolbox
            item = QtWidgets.QAction(toolbox.getName(), self)
            item.setCheckable(True)
            item.triggered.connect(self.toggleToolbox)
            self.toolboxesMenuItem.addAction(item)

            dockToolbox.closed.connect(lambda: self.toggleToolbox(False))

            # Setup some introspection
            item.dockToolbox = dockToolbox
            item.menuItem = item