def setFilterProxyModel(self, proxy: QSortFilterProxyModel) -> None:
"""
Set an instance of QSortFilterProxyModel that will be used for filtering
the model. The `proxy` must be a filtering proxy only; it MUST not sort
the row of the model.
The FilterListView takes ownership of the proxy.
"""
self.__pmodel.rowsAboutToBeRemoved.disconnect(
self.__filter_rowsAboutToBeRemoved)
self.__pmodel.rowsInserted.disconnect(self.__filter_rowsInserted)
self.__pmodel = proxy
proxy.setParent(self)
self.__pmodel.rowsAboutToBeRemoved.connect(
self.__filter_rowsAboutToBeRemoved)
self.__pmodel.rowsInserted.connect(self.__filter_rowsInserted)
self.__pmodel.setSourceModel(self.model())
self.__filter_reset()
