EDIT_CHOICES = (
  (u'a', u'Foreign key relationship changed.'),
  (u'b', u'Image changed.'),
  (u'c', u'Instance created.'),
  (u'd', u'Instance deleted.'),
  (u'e', u'Many to many relationship added.'),
  (u'f', u'Many to many relationship deleted.'),
  (u'g', u'One to many relationship added.'),
  (u'h', u'One to many relationship deleted.'),
  (u'i', u'Text changed.'),
  )

FOREIGN_KEY_RELATIONSHIP_CHANGED = u'a'
IMAGE_CHANGED = u'b'
INSTANCE_CREATED = u'c'
INSTANCE_DELETED = u'd'
MANY_TO_MANY_RELATIONSHIP_ADDED = u'e'
MANY_TO_MANY_RELATIONSHIP_DELETED = u'f'
MANY_TO_ONE_RELATIONSHIP_ADDED = u'g'
MANY_TO_ONE_RELATIONSHIP_DELETED = u'h'
TEXT_CHANGED = u'i'
