##############################################################################
#
# Copyright (c) 2002, 2005 Nexedi SARL and Contributors. All Rights Reserved.
#                    Jean-Paul Smets-Solanes <jp@nexedi.com>
#                    Romain Courteaud <romain@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 AccessControl import ClassSecurityInfo

from Products.ERP5Type import Permissions, PropertySheet

from erp5.component.document.DeliveryCell import DeliveryCell

class ContainerCell(DeliveryCell):
  """
  A DeliveryCell allows to define specific quantities
  for each variation of a resource in a delivery line.
  """
  meta_type = 'ERP5 Container Cell'
  portal_type = 'Container Cell'
  isCell = 1

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

  # Declarative properties
  property_sheets = ( PropertySheet.Base
                    , PropertySheet.CategoryCore
                    , PropertySheet.Arrow
                    , PropertySheet.Amount
                    , PropertySheet.Task
                    , PropertySheet.Movement
                    , PropertySheet.Price
                    , PropertySheet.Predicate
                    , PropertySheet.MappedValue
                    , PropertySheet.ItemAggregation
                    )

  security.declareProtected(Permissions.AccessContentsInformation,
                            'isAccountable')
  def isAccountable(self):
    """
    Returns 1 if this needs to be accounted
    Only account movements which are not associated to a delivery
    Whenever delivery is there, delivery has priority
    """
    # Never accountable
    return 0

  security.declareProtected(Permissions.AccessContentsInformation, 'isDivergent')
  def isDivergent(self):
    """Return True if this movement diverges from the its simulation.
    Container Cells are never divergent.
    """
    return False