def __setitem__(self, i, values):
relation = self.field.relation
old_values = self.elements[i]
model_object = self.model_object
DCMirror.__setitem__(self, i, values)
relation.affect(model_object, i, old_values, values,
Relation.TYPE_MODIFY)
def __delitem__(self, i):
relation = self.field.relation
old_values = self.elements[i]
model_object = self.model_object
DCMirror.__delitem__(self, i)
relation.affect(model_object, i, old_values, None,
Relation.TYPE_DELETE)
def insert(self, i, value):
relation = self.field.relation
model_object = self.model_object
DCMirror.insert(self, i, value)
relation.affect(model_object, i, None, value,
Relation.TYPE_ADD)