189 lines
6.5 KiB
JavaScript
189 lines
6.5 KiB
JavaScript
/*
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*
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* (c) Copyright Ascensio System SIA 2010-2019
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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if (Common === undefined) {
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var Common = {};
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}
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Common.Locale = new(function() {
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"use strict";
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var l10n = null;
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var loadcallback,
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apply = false,
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defLang = '{{DEFAULT_LANG}}',
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currentLang = defLang,
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_4letterLangs = ['pt-pt', 'zh-tw'];
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var _applyLocalization = function(callback) {
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try {
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callback && (loadcallback = callback);
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if (l10n) {
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for (var prop in l10n) {
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var p = prop.split('.');
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if (p && p.length > 2) {
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var obj = window;
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for (var i = 0; i < p.length - 1; ++i) {
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if (obj[p[i]] === undefined) {
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obj[p[i]] = new Object();
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}
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obj = obj[p[i]];
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}
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if (obj) {
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obj[p[p.length - 1]] = l10n[prop];
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}
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}
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}
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loadcallback && loadcallback();
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} else
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apply = true;
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}
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catch (e) {
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}
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};
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var _get = function(prop, scope) {
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var res = '';
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if (l10n && scope && scope.name) {
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res = l10n[scope.name + '.' + prop];
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if ( !res && scope.default )
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res = scope.default;
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}
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return res || (scope ? eval(scope.name).prototype[prop] : '');
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};
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var _getCurrentLanguage = function() {
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return currentLang;
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};
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var _getDefaultLanguage = function() {
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return defLang;
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};
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var _getLoadedLanguage = function() {
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return loadedLang;
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};
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var _getUrlParameterByName = function(name) {
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name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
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var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
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results = regex.exec(location.search);
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return results == null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
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};
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var _requireLang = function (l) {
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typeof l != 'string' && (l = null);
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var lang = (l || _getUrlParameterByName('lang') || defLang);
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var idx4Letters = _4letterLangs.indexOf(lang.replace('_', '-').toLowerCase()); // try to load 4 letters language
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lang = (idx4Letters<0) ? lang.split(/[\-_]/)[0] : _4letterLangs[idx4Letters];
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currentLang = lang;
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fetch('locale/' + lang + '.json')
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.then(function(response) {
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if (!response.ok) {
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if (idx4Letters>=0) { // try to load 2-letters language
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throw new Error('4letters error');
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}
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currentLang = defLang;
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if (lang != defLang)
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/* load default lang if fetch failed */
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return fetch('locale/' + defLang + '.json');
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throw new Error('server error');
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}
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return response.json();
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}).then(function(response) {
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if ( response.json ) {
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if (!response.ok)
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throw new Error('server error');
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return response.json();
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} else {
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l10n = response;
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/* to break promises chain */
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throw new Error('loaded');
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}
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}).then(function(json) {
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l10n = json || {};
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apply && _applyLocalization();
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}).catch(function(e) {
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if ( /4letters/.test(e) ) {
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return setTimeout(function(){
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_requireLang(lang.split(/[\-_]/)[0]);
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}, 0);
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}
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if ( !/loaded/.test(e) && currentLang != defLang && defLang && defLang.length < 3 ) {
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return setTimeout(function(){
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_requireLang(defLang)
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}, 0);
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}
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l10n = l10n || {};
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apply && _applyLocalization();
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if ( e.message == 'loaded' ) {
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} else {
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currentLang = null;
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console.log('fetch error: ' + e);
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}
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});
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};
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if ( !window.fetch ) {
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/* use fetch polifill if native method isn't supported */
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var polyfills = ['../vendor/fetch/fetch.umd'];
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if ( !window.Promise ) {
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require(['../vendor/es6-promise/es6-promise.auto.min'],
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function () {
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require(polyfills, _requireLang);
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});
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} else require(polyfills, _requireLang);
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} else _requireLang();
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const _isCurrentRtl = function () {
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return false;
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};
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return {
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apply: _applyLocalization,
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get: _get,
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getCurrentLanguage: _getCurrentLanguage,
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isCurrentLanguageRtl: _isCurrentRtl,
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getDefaultLanguage: _getDefaultLanguage
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};
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})();
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