MappedProperty.py 2.74 KB
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##############################################################################
#
# Copyright (c) 2010 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 AccessControl import ClassSecurityInfo
from Products.ERP5Type import Permissions, PropertySheet
from Products.ERP5Type.XMLObject import XMLObject

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class MappedProperty(XMLObject):
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  """
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  Mapped Property object describes how properties or categories are
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  mapped, eg. use source as destination, use destination as source, use
  quantity as -quantity, etc.
  """
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  meta_type = 'ERP5 Mapped Property'
  portal_type = 'Mapped Property'
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  add_permission = Permissions.AddPortalContent

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

  # Declarative properties
  property_sheets = (PropertySheet.Base,
                     PropertySheet.SimpleItem,
                     PropertySheet.CategoryCore,
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                     PropertySheet.MappedProperty)
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  security.declareProtected(Permissions.AccessContentsInformation,
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                            'getMappedProperty')
  def getMappedProperty(self, document, property):
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    if property.endswith('_list'):
      property = property[:-5]
      getProperty = document.getPropertyList
    else:
      getProperty = document.getProperty
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    mapping_dict = dict([[x.strip() for x in x.split('|')] \
                         for x in self.getMappingPropertyList()])
    mapped_property = mapping_dict.get(property, property)
    if mapped_property.startswith('-'):
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      return -1 * getProperty(mapped_property[1:])
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    else:
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      return getProperty(mapped_property)