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#
# Copyright (c) 2008 Nexedi SA and Contributors. All Rights Reserved.
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from Products.ERP5.Document.MovementGroup import MovementGroup

class TitleMovementGroup(MovementGroup):
  """
  The purpose of MovementGroup is to define how movements are grouped,
  and how values are updated from simulation movements.
  """
  meta_type = 'ERP5 Title Movement Group'
  portal_type = 'Title Movement Group'

  def _getPropertyDict(self, movement, **kw):
    property_dict = {}
    property_dict['title'] = self._getTitle(movement)
    return property_dict

  def test(self, document, property_dict, **kw):
    # If title is different, we want to update existing document instead
    # of creating a new one.
    return True, property_dict

  def _getTitle(self,movement):
    order_movement_value = movement.getOrderValue()
    title = None
    if order_movement_value is not None:
      if 'Cell' in order_movement_value.getPortalType():
        order_movement_value = order_movement_value.getParentValue()
      if order_movement_value.hasTitle():
        title = order_movement_value.getTitle()
    return title
