VariatedProperty.py 2.91 KB
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##############################################################################
#
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# Copyright (c) 2005 Nexedi SARL and Contributors. All Rights Reserved.
#                    Yoshinori Okuji <yo@nexedi.com>
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#
# 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 Globals import InitializeClass
from AccessControl import ClassSecurityInfo

from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
from Products.ERP5Type.XMLObject import XMLObject
from Products.ERP5Type.XMLMatrix import XMLMatrix
from Products.ERP5.Variated import Variated
from Products.ERP5Type.Utils import cartesianProduct
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from Products.CMFCore.Expression import Expression
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from zLOG import LOG

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class VariatedProperty(XMLObject, XMLMatrix):
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    """
        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'
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    add_permission = Permissions.AddPortalContent
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    isPortalContent = 1
    isRADContent = 1

    # Declarative security
    security = ClassSecurityInfo()
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    security.declareObjectProtected(Permissions.AccessContentsInformation)
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    # Declarative properties
    property_sheets = ( PropertySheet.Base
                      , PropertySheet.SimpleItem
                      , PropertySheet.VariationRange
                      , PropertySheet.MappedValue
                      )

    # Declarative interfaces
    __implements__ = ( Interface.Variated, )

    security.declareProtected( Permissions.ModifyPortalContent, 'newCellContent' )
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    def newCellContent(self, id, portal_type='Set Mapped Value', **kw):
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      """
          This method can be overriden
      """
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      self.invokeFactory(type_name=portal_type, id=id)
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      return self.get(id)