def __init__(self, iface, bbox_tool): """Constructor. :param iface: An interface instance that will be passed to this class which provides the hook by which you can manipulate the QGIS application at run time. :type iface: QgsInterface """ # Save reference to the QGIS interface self.iface = iface self.bbox_tool = bbox_tool # Create the dialog (after translation) and keep reference self.dlg = VectorsDialog(self.iface.mainWindow()) self.iface.addDockWidget(Qt.RightDockWidgetArea, self.dlg) self.dialog_tool = VectorsDialogTool(self.iface, self.dlg.dialog_base, self.bbox_tool)