##############################################################################
#
# Copyright (c) 2002-2004 Nexedi SARL and Contributors. All Rights Reserved.
#                    Jean-Paul Smets-Solanes <jp@nexedi.com>
#                    Courteaud_Romain <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.ERP5.Document.Resource import Resource
from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
from Products.ERP5Type.Utils import rejectIn

class ApparelComponent(Resource):
    """
      A apparel component
    """

    meta_type = 'ERP5 Apparel Component'
    portal_type = 'Apparel Component'

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

    # Declarative properties
    property_sheets = ( PropertySheet.Base
                      , PropertySheet.ApparelComponent
                      , PropertySheet.XMLObject
                      , PropertySheet.CategoryCore
                      , PropertySheet.DublinCore
                      , PropertySheet.Comment
                      , PropertySheet.Price
                      , PropertySheet.Resource
                      , PropertySheet.Reference
                      , PropertySheet.ApparelCollection
                      )


    # Unit conversion
    security.declareProtected(Permissions.AccessContentsInformation, 'convertQuantity')
    def convertQuantity(self, quantity, from_unit, to_unit):
      quantity = float(quantity)
      if from_unit == 'measurement/meter' and to_unit == 'unit/cone':
        return quantity / self.getLengthQuantity()
      elif from_unit == 'unit/cone' and to_unit == 'measurement/meter':
        return quantity * self.getLengthQuantity()
      else:
        return quantity

