forked from openlp/openlp
147 lines
5.7 KiB
Python
147 lines
5.7 KiB
Python
# -*- coding: utf-8 -*-
|
|
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
|
|
|
|
###############################################################################
|
|
# OpenLP - Open Source Lyrics Projection #
|
|
# --------------------------------------------------------------------------- #
|
|
# Copyright (c) 2008-2010 Raoul Snyman #
|
|
# Portions copyright (c) 2008-2010 Tim Bentley, Jonathan Corwin, Michael #
|
|
# Gorven, Scott Guerrieri, Christian Richter, Maikel Stuivenberg, Martin #
|
|
# Thompson, Jon Tibble, Carsten Tinggaard #
|
|
# --------------------------------------------------------------------------- #
|
|
# 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; version 2 of the License. #
|
|
# #
|
|
# 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 #
|
|
###############################################################################
|
|
"""
|
|
The :mod:`languagemanager` module provides all the translation settings and
|
|
language file loading for OpenLP.
|
|
"""
|
|
import logging
|
|
import os
|
|
|
|
from PyQt4 import QtCore, QtGui
|
|
|
|
from openlp.core.utils import AppLocation
|
|
from openlp.core.lib import translate
|
|
|
|
log = logging.getLogger()
|
|
|
|
class LanguageManager(object):
|
|
"""
|
|
Helper for Language selection
|
|
"""
|
|
__qmList__ = None
|
|
AutoLanguage = False
|
|
|
|
@staticmethod
|
|
def get_translator(language):
|
|
"""
|
|
Set up a translator to use in this instance of OpenLP
|
|
|
|
``language``
|
|
The language to load into the translator
|
|
"""
|
|
if LanguageManager.AutoLanguage:
|
|
language = QtCore.QLocale.system().name()
|
|
lang_Path = AppLocation.get_directory(AppLocation.AppDir)
|
|
lang_Path = os.path.join(lang_Path, u'resources', u'i18n')
|
|
app_translator = QtCore.QTranslator()
|
|
if app_translator.load("openlp_" + language, lang_Path):
|
|
return app_translator
|
|
|
|
@staticmethod
|
|
def find_qm_files():
|
|
"""
|
|
Find all available language files in this OpenLP install
|
|
"""
|
|
trans_dir = AppLocation.get_directory(AppLocation.AppDir)
|
|
trans_dir = QtCore.QDir(os.path.join(trans_dir, u'resources', u'i18n'))
|
|
file_names = trans_dir.entryList(QtCore.QStringList("*.qm"),
|
|
QtCore.QDir.Files, QtCore.QDir.Name)
|
|
for name in file_names:
|
|
file_names.replaceInStrings(name, trans_dir.filePath(name))
|
|
return file_names
|
|
|
|
@staticmethod
|
|
def language_name(qm_file):
|
|
"""
|
|
Load the language name from a language file
|
|
|
|
``qm_file``
|
|
The file to obtain the name from
|
|
"""
|
|
translator = QtCore.QTranslator()
|
|
translator.load(qm_file)
|
|
return translator.translate('MainWindow', 'English')
|
|
|
|
@staticmethod
|
|
def get_language():
|
|
"""
|
|
Retrieve a saved language to use from settings
|
|
"""
|
|
settings = QtCore.QSettings(u'OpenLP', u'OpenLP')
|
|
language = unicode(settings.value(
|
|
u'general/language', QtCore.QVariant(u'[en]')).toString())
|
|
log.info(u'Language file: \'%s\' Loaded from conf file' % language)
|
|
reg_ex = QtCore.QRegExp("^\[(.*)\]")
|
|
if reg_ex.exactMatch(language):
|
|
LanguageManager.AutoLanguage = True
|
|
language = reg_ex.cap(1)
|
|
return language
|
|
|
|
@staticmethod
|
|
def set_language(action):
|
|
"""
|
|
Set the language to translate OpenLP into
|
|
|
|
``action``
|
|
The language menu option
|
|
"""
|
|
action_name = u'%s' % action.objectName()
|
|
qm_list = LanguageManager.get_qm_list()
|
|
if LanguageManager.AutoLanguage:
|
|
language = u'[%s]' % qm_list[action_name]
|
|
else:
|
|
language = u'%s' % qm_list[action_name]
|
|
QtCore.QSettings().setValue(
|
|
u'general/language', QtCore.QVariant(language))
|
|
log.info(u'Language file: \'%s\' written to conf file' % language)
|
|
QtGui.QMessageBox.information(None,
|
|
translate('LanguageManager', 'Language'),
|
|
translate('LanguageManager',
|
|
'After restart new Language settings will be used.'))
|
|
|
|
@staticmethod
|
|
def init_qm_list():
|
|
"""
|
|
Initialise the list of available translations
|
|
"""
|
|
LanguageManager.__qmList__ = {}
|
|
qm_files = LanguageManager.find_qm_files()
|
|
for i, qmf in enumerate(qm_files):
|
|
reg_ex = QtCore.QRegExp("^.*openlp_(.*).qm")
|
|
if reg_ex.exactMatch(qmf):
|
|
lang_name = reg_ex.cap(1)
|
|
LanguageManager.__qmList__[u'%#2i %s' % (i+1,
|
|
LanguageManager.language_name(qmf))] = lang_name
|
|
|
|
@staticmethod
|
|
def get_qm_list():
|
|
"""
|
|
Return the list of available translations
|
|
"""
|
|
if LanguageManager.__qmList__ is None:
|
|
LanguageManager.init_qm_list()
|
|
return LanguageManager.__qmList__
|
|
|