############################################################################## # # Copyright (c) 2002 Nexedi SARL and Contributors. All Rights Reserved. # Jean-Paul Smets-Solanes <jp@nexedi.com> # # WARNING: This program as such is intended to be used by professional # programmers who take the whole responsability 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 # garantees 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # ############################################################################## from Products.ERP5Type import interfaces, Permissions from Products.ERP5Type.Context import Context from Products.ERP5Type.Base import Base from Globals import InitializeClass from Products.ERP5.Variated import Variated def newVariationValue(context=None, REQUEST=None, **kw): # Create context object context_obj = VariationValue(context=context, REQUEST=REQUEST, **kw) # Wrap the context if context is not None: return context_obj.asContext(context = context) else: return context_obj class VariationValue(Context, Variated): """ Embodies a variation value. Implements discrete variations. """ # Declarative interfaces __implements__ = (interfaces.IVariated) def __init__(self, context=None, REQUEST=None, **kw): Context.__init__(self, context=context, REQUEST=REQUEST, **kw) if hasattr(self, 'categories'): self.categories = getattr(self,'categories') elif hasattr(REQUEST,'categories'): self.categories = getattr(REQUEST,'categories') else: self.categories = context.getVariationCategoryList() def setVariationValue(self, context): context.setVariationCategoryList(self.categories) def __cmp__(self, other): same = 0 a = getattr(self, 'categories', ()) b = getattr(other, 'categories', ()) for ka in a: if not ka in b: same = 1 for kb in b: if not kb in a: same = -1 return same InitializeClass(VariationValue)