##############################################################################
#
# 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.Utils import assertAttributePortalType
from AccessControl import ClassSecurityInfo

from Products.CMFCore.utils import getToolByName

from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
from Products.ERP5Type.XMLObject import XMLObject


class Capacity(XMLObject):
    """
        Mix-in
    """
    isCapacity = 1

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

    security.declareProtected(Permissions.AccessContentsInformation, 'asCapacityItemList')
    def asCapacityItemList(self):
      """
        Returns an association list of points and capacity values
      """
      pass


    security.declareProtected(Permissions.ModifyPortalContent, 'reindexObject')
    def reindexObject(self):
      """
        Overload reindexing in order to forward any modifications of capacity
        to simulation tool
      """
      self.aq_parent.updateCapacity()
      XMLObject.reindexObject(self)