/********************************************************************************
 * Copyright (C) 2021 TypeFox and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/ import { injectable } from 'inversify' ; import { Localization } from '../../common/i18n/localization' ; @ injectable ( ) export class LocalizationProvider { protected localizations = new Map < string , Localization > ( ) ; protected currentLanguage = 'en' ; addLocalizations ( ... localizations ) { for ( const localization of localizations ) { let merged = this . localizations . get ( localization . languageId ) ; if ( ! merged ) { this . localizations . set ( localization . languageId , merged = { languageId : localization . languageId , languageName : localization . languageName , localizedLanguageName : localization . localizedLanguageName , translations : { } } ) ; } merged . languagePack = merged . languagePack || localization . languagePack ; Object . assign ( merged . translations , localization . translations ) ; } } setCurrentLanguage ( languageId ) { this . currentLanguage = languageId ; } getCurrentLanguage ( ) { return this . currentLanguage ; } getAvailableLanguages ( all ? ) { const languageIds = [ ] ; for ( const localization of this . localizations . values ( ) ) { if ( all || localization . languagePack ) { languageIds . push ( localization . languageId ) ; } } return languageIds . sort ( ( a , b ) => a . localeCompare ( b ) ) ; } loadLocalization ( languageId ) { return this . localizations . get ( languageId ) || { languageId , translations : { } } ; } }