## $Id: interfaces.py 12371 2015-01-03 07:38:07Z henrik $
##
## Copyright (C) 2011 Uli Fouquet & Henrik Bettermann
## 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
##

import zope.i18nmessageid
from zope import schema
from zc.sourcefactory.basic import BasicSourceFactory
from ikobacustom.pcn.utils.lgas import LGAS

_ = MessageFactory = zope.i18nmessageid.MessageFactory('ikobacustom.pcn')


class LGASource(BasicSourceFactory):
    """A source for school subjects used in exam documentation.
    """
    lga_dict = dict(LGAS)

    def getValues(self):
        return sorted(self.lga_dict.keys())

    def getToken(self, value):
        return str(value)

    def getTitle(self, value):
        return self.lga_dict.get(value,
            _('Invalid key: ${a}', mapping = {'a':value}))