def on_remove(self, widget, data=None):
        """Removes respective selected core elements and select the next one"""

        path_list = None
        if self.view is not None:
            model, path_list = self.tree_view.get_selection().get_selected_rows()
        old_path = self.get_path()
        models = [self.list_store[path][self.MODEL_STORAGE_ID] for path in path_list] if path_list else []
        if models:
            try:
                self.remove_core_elements(models)
            except AttributeError as e:
                self._logger.warning("The respective core element of {1}.list_store couldn't be removed. -> {0}"
                                  "".format(e, self.__class__.__name__))
            if len(self.list_store) > 0:
                self.tree_view.set_cursor(min(old_path[0], len(self.list_store) - 1))
            return True
        else:
            self._logger.warning("Please select an element to be removed.")
def on_remove ( self , widget , data = None ) : path_list = None if self . view is not None : model , path_list = self . tree_view . get_selection ( ) . get_selected_rows ( ) old_path = self . get_path ( ) models = [ self . list_store [ path ] [ self . MODEL_STORAGE_ID ] for path in path_list ] if path_list else [ ] if models : try : self . remove_core_elements ( models ) except AttributeError as e : self . _logger . warning ( "The respective core element of {1}.list_store couldn't be removed. -> {0}" "" . format ( e , self . __class__ . __name__ ) ) if len ( self . list_store ) > 0 : self . tree_view . set_cursor ( min ( old_path [ 0 ] , len ( self . list_store ) - 1 ) ) return True else : self . _logger . warning ( "Please select an element to be removed." )
Removes respective selected core elements and select the next one