def show(self, view_manager, give_focus=True):
#Register the metadata callbacks if needed
if self.__metadata_callbacks is None:
self.__metadata_callbacks = MetadataUpdateCallbacks()
session = view_manager.get_var('session')
session.add_callbacks(self.__metadata_callbacks)
if not self.is_visible() or not self.__list_rendered:
BaseListContainerView.show(self, view_manager, give_focus)
elif self.__list_rendered:
self._update_metadata(view_manager)
