##############################################################################
#
# 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 Globals import InitializeClass, PersistentMapping
from AccessControl import ClassSecurityInfo

from Products.ERP5Type import Permissions, PropertySheet, Constraint, interfaces

from Products.ERP5.Document.DeliveryCell import DeliveryCell

from zLOG import LOG

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
    isMovement = 1

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

    # Declarative interfaces
    __implements__ = ( interfaces.IVariated, )

    # 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.View, 'isDivergent')
    def isDivergent(self):
      """
        Returns 1 if the target is not met according to the current information
        After and edit, the isOutOfTarget will be checked. If it is 1,
        a message is emitted

        emit targetUnreachable !
      """
      # Never divergent
      return 0
