#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2004-2006  Donald N. Allingham
#
# 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
#

# $Id: _DateHandler.py 8469 2007-05-14 19:59:59Z espenbe $

"""
Class handling language-specific selection for date parser and displayer.
"""

#-------------------------------------------------------------------------
#
# Python modules
#
#-------------------------------------------------------------------------
import locale

#-------------------------------------------------------------------------
#
# set up logging
#
#-------------------------------------------------------------------------
import logging
log = logging.getLogger(".DateHandler")

#-------------------------------------------------------------------------
#
# GRAMPS modules
#
#-------------------------------------------------------------------------
from _DateParser import DateParser
from _DateDisplay import DateDisplay, DateDisplayEn

#-------------------------------------------------------------------------
#
# Constants 
#
#-------------------------------------------------------------------------
_lang = locale.getlocale(locale.LC_TIME)[0]
if _lang:
    _lang_short = _lang.split('_')[0]
else:
    _lang_short = "C"

_lang_to_parser = {
    'C'      : DateParser,
    'en'     : DateParser,
    }

_lang_to_display = {
    'C'      : DateDisplayEn,
    'en'     : DateDisplayEn,
    'zh_CN'  : DateDisplay,
    'zh_TW'  : DateDisplay,
    'zh_SG'  : DateDisplay,
    'zh_HK'  : DateDisplay,
    'ja_JP'  : DateDisplay,
    'ko_KR'  : DateDisplay,
    'nb_NO'  : DateDisplay,
    }

def register_datehandler(locales,parse_class,display_class):
    """
    Registers the passed date parser class and date displayer
    classes with the specfied language locales.

    @param locales: tuple of strings containing language codes.
        The character encoding is not included, so the langauge
        should be in the form of fr_FR, not fr_FR.utf8
    @type locales: tuple
    @param parse_class: Class to be associated with parsing
    @type parse_class: DateParse
    @param display_class: Class to be associated with displaying
    @type display_class: DateDisplay
    """
    for lang_str in locales:
        _lang_to_parser[lang_str] = parse_class
        _lang_to_display[lang_str] = display_class
