############################################################################## # # Copyright (c) 2008 Nexedi SA and Contributors. All Rights Reserved. # # WARNING: This program as such is intended to be used by professional # programmers who take the whole responsibility of assessing all potential # consequences resulting from its eventual inadequacies and bugs # End users who are looking for a ready-to-use solution with commercial # guarantees and support are strongly adviced to contract a Free Software # Service Company # # This program is Free Software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. # ############################################################################## from Products.ERP5Type.XMLObject import XMLObject from AccessControl import ClassSecurityInfo from Products.ERP5Type import Permissions, PropertySheet class MovementGroup(XMLObject): """ The purpose of MovementGroup is to define how movements are grouped, and how values are updated from simulation movements. """ meta_type = 'ERP5 Movement Group' portal_type = 'Movement Group' # Declarative security security = ClassSecurityInfo() security.declareObjectProtected(Permissions.AccessContentsInformation) # Default Properties property_sheets = ( PropertySheet.Base, PropertySheet.SimpleItem, PropertySheet.CategoryCore, PropertySheet.MovementGroup, PropertySheet.SortIndex, ) def _getPropertyDict(self, movement, **kw): # This method should be defined in sub classes. raise NotImplementedError def test(self, object, property_dict, **kw): # This method should be defined in sub classes. raise NotImplementedError def _separate(self, movement_list): # By default, we separate movements by _getPropertyDict() values. # You can override this method in each MovementGroup class. tmp_dict = {} for movement in movement_list: property_dict = self._getPropertyDict(movement) # XXX it can be wrong. we need a good way to get hash value, or # we should compare for all pairs. key = repr(property_dict) if tmp_dict.has_key(key): tmp_dict[key][0].append(movement) else: tmp_dict[key] = [[movement], property_dict] return tmp_dict.values() def separate(self, movement_list): # We sort group of simulation movements by their IDs. # DO NOT OVERRIDE THIS METHOD. Override _separate() instead. return sorted([[sorted(x[0], lambda a,b:cmp(a.getId(), b.getId())), x[1]] \ for x in self._separate(movement_list)], lambda a,b: cmp(a[0][0].getId(), b[0][0].getId()))