def remove(self, model_object):
ContainerMixin.remove(self, model_object)
self.invalidate_all_lists()
def check_add(Class, ModelObjectClass):
if not ContainerMixin.check_add(ModelObjectClass): return False
if not issubclass(ModelObjectClass, GLMixin): return False
return True
def add_many(self, model_objects, index=-1):
ContainerMixin.add_many(self, model_objects, index)
self.invalidate_all_lists()