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# -*- coding: utf-8 -*-
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"""module handling translations
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Note: all translation files have to follow the convention name_localename.qm
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from PyQt4 import QtCore, QtGui
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#***************************************************************
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#***************************************************************
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# for fast lookups. Keep in sync with CT_Language() + sorted
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LOCALE_NAMES = ('de', "en", "fr", "pt_BR", "ru")
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#***************************************************************
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#***************************************************************
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class CT_Language(QtCore.QObject):
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"""class wrapping locale names names"""
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def trUtf8(self, what):
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return QtCore.QObject.trUtf8(self, what)
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QtCore.QObject.__init__(self)
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self.LANG_EN = self.trUtf8("English")
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self.LANG_DE = self.trUtf8("German")
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self.LANG_FR = self.trUtf8("French")
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self.LANG_RU = self.trUtf8("Russian")
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self.LANG_PT_BR = self.trUtf8("Portuguese (Brazilian)")
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#***************************************************************
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#***************************************************************
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class Language(object):
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"""class handling languages for the package"""
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# do a lazy initialize here
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self.__languageStrings = None
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self.__translator = None
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self.__defaultLocale = DEFAULT_LOCALE
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def hasLocaleName(self, localeName):
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"""checks if a locale corrosponding to the specified locale name is available"""
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# mimic the Qt behavior
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haveIt = localeName in LOCALE_NAMES
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while not haveIt and '_' in localeName:
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localeName = '_'.join(localeName.split('_')[:-1])
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haveIt = localeName in LOCALE_NAMES
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def getDefaultLocaleName(self):
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"""returns the default locale name"""
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return self.__defaultLocale
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def setDefaultLocaleName(self, localeName):
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"""sets the default locale to be used by the class
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@param localeName (string) locale name
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@raise ValueError if locale name is not supported
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if not self.hasLocaleName(localeName):
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raise ValueError('no such locale: "%s"' % localeName)
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self.__defaultLocale = localeName
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lists all available locale names and display names
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@return list[(QString(display-name1), locale-name1), (...)]
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Note: the list returned is sorted by localeName
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if not self.__languageStrings:
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self.__languageStrings = CT_Language()
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for localeName in LOCALE_NAMES:
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tr = getattr(self.__languageStrings, "LANG_" + localeName.upper())()
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out.append((tr, localeName))
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def getLanguageFile(self, localeName):
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"""returns the full path to the language file for the specified locale
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If a language file for the specified locale name is not available a path
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to a default language file is returned. See getDefaultLocale().
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If the default language file could not be found empty string is returned.
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if not self.hasLocaleName(localeName):
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localeName = self.getDefaultLocaleName()
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directory = os.path.dirname(__file__)
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fpath = os.path.join(directory, SZ_APP + '_' + localeName + '.qm')
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# no need to check for the files existance. Qt will handle it correctly.
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def getTranslator(self, parent, localeName):
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returns an initialized QTranslator for the specified locale name
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@param parent parent of the QTranslator or None
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@param localeName name of the locale
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If a translator for the specified locale name is not available a default
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translator is returned. See getDefaultLocale().
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translator = QtCore.QTranslator(parent)
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fpath = self.getLanguageFile(localeName)
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translator.load(fpath)
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def installTranslator(self, parent, localeName):
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Installs a translator according to the specifed locale name
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@param parent parent of the translator
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@param localeName name of the locale for the translator
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@return QTranslator instance
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The new translator will replace the translator installed in the last
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call to this method. Use this method to dynamically switch translators.
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translator = self.getTranslator(parent, localeName)
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if self.__translator:
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QtGui.QApplication.removeTranslator(self.__translator)
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self.__translator = translator
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QtGui.QApplication.installTranslator(translator)
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return self.__translator
added
removed
eric/ThirdParty/chartables/chartables_lang/__init__.py
