##############################################################################
#
# Copyright (c) 2005 Nexedi SARL and Contributors. All Rights Reserved.
#                    Yoshinori Okuji <yo@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.
#
##############################################################################

import zope.interface
from AccessControl import ClassSecurityInfo

from Products.ERP5Type import Permissions, PropertySheet, interfaces
from Products.ERP5Type.XMLObject import XMLObject
from Products.ERP5Type.XMLMatrix import XMLMatrix

class VariatedProperty(XMLObject, XMLMatrix):
    """
        VariatedReference defines a reference which
        can take multiples values depending of the variations of a resource

        Maybe defined by mapped values inside the resource
    """

    meta_type = 'ERP5 Variated Property'
    portal_type = 'Variated Property'
    add_permission = Permissions.AddPortalContent

    # Declarative security
    security = ClassSecurityInfo()
    security.declareObjectProtected(Permissions.AccessContentsInformation)

    # Declarative properties
    property_sheets = ( PropertySheet.Base
                      , PropertySheet.SimpleItem
                      , PropertySheet.VariationRange
                      , PropertySheet.MappedValue
                      )

    # Declarative interfaces
    zope.interface.implements( interfaces.IVariated, )

    security.declareProtected( Permissions.ModifyPortalContent, 'newCellContent' )
    def newCellContent(self, id, portal_type='Set Mapped Value', **kw):
      """Overriden to specify default portal type
      """
      return self.newContent(id=id, portal_type=portal_type, **kw)