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[all] asynchronous loading languages

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This commit is contained in:
Maxim Kadushkin 2019-02-01 19:51:48 +03:00
parent 327afcfaff
commit 89e42289b3
1 changed files with 111 additions and 29 deletions
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140
apps/common/locale.js
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@ -35,26 +35,27 @@ if (Common === undefined) {
} }
Common.Locale = new(function() { Common.Locale = new(function() {
"use strict";
var l10n = {}; var l10n = {};
var _createXMLHTTPObject = function() { // var _createXMLHTTPObject = function() {
var xmlhttp; // var xmlhttp;
try { // try {
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); // xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
} // }
catch (e) { // catch (e) {
try { // try {
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); // xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
} // }
catch (E) { // catch (E) {
xmlhttp = false; // xmlhttp = false;
} // }
} // }
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') { // if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
xmlhttp = new XMLHttpRequest(); // xmlhttp = new XMLHttpRequest();
} // }
return xmlhttp; // return xmlhttp;
}; // };
var _applyLocalization = function() { var _applyLocalization = function() {
try { try {
@ -96,21 +97,102 @@ Common.Locale = new(function() {
return results == null ? "" : decodeURIComponent(results[1].replace(/\+/g, " ")); return results == null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}; };
// {
// let lang = (_getUrlParameterByName('lang') || 'en').split(/[\-_]/)[0];
// let httpGet = function(url) {
// return new Promise(
// function (resolve, reject) {
// var request = new XMLHttpRequest();
// request.onload = function() {
// if ( this.readyState === 4 )
// if ( this.status == 200 ) {
// resolve(this.responseText);
// } else {
// resolve('failed');
// }
// else reject('error: ' + this.readyState);
// };
// request.onerror = function () {
// reject(new Error(
// 'XMLHttpRequest Error: '+this.statusText));
// };
// request.open('GET', url);
// request.send(null);
// });
// }
//
// httpGet('locale/' + lang + '.json')
// .then(function(result) {
// // console.log('httpget result: ' + result);
//
// if ( result == 'failed' ) {
// if ( lang != 'en' )
// return httpGet('locale/en.json');
//
// return result;
// }
//
// return result;
// }).then(function(result) {
// if (result == 'failed')
// throw new Error('server error');
// else {
// let _l10n = JSON.parse(result);
// // console.log('ok: ' + _l10n);
// console.log('ok: ');
// }
// }).catch(function(e) {
// console.log('httpget error: ' + e);
// });
// }
var _requireLang = function () {
var lang = (_getUrlParameterByName('lang') || 'en').split(/[\-_]/)[0];
fetch('locale/' + lang + '.json')
.then(function(response) {
if (!response.ok) {
if (lang != 'en')
/* load default lang if fetch failed */
return fetch('locale/en.json');
throw new Error('server error');
}
return response.json();
}).then(function(response) {
if ( response.then )
return response.json();
else {
l10n = response;
/* to break promises chain */
throw new Error('loaded');
}
}).then(function(json) {
if ( !!json ) l10n = json;
}).catch(function(e) {
console.log('fetch error: ' + e);
});
};
if ( !window.fetch ) {
/* use fetch polifill if native method isn't supported */
require(['../vendor/fetch/fetch.umd'], _requireLang);
} else _requireLang();
try { try {
var langParam = _getUrlParameterByName('lang'); // var langParam = _getUrlParameterByName('lang');
var xhrObj = _createXMLHTTPObject(); // var xhrObj = _createXMLHTTPObject();
if (xhrObj && langParam) { // if (xhrObj && langParam) {
var lang = langParam.split(/[\-\_]/)[0]; // var lang = langParam.split(/[\-\_]/)[0];
xhrObj.open('GET', 'locale/' + lang + '.json', false); // xhrObj.open('GET', 'locale/' + lang + '.json', false);
xhrObj.send(''); // xhrObj.send('');
l10n = eval("(" + xhrObj.responseText + ")"); // l10n = eval("(" + xhrObj.responseText + ")");
} // }
} }
catch (e) { catch (e) {
try { try {
xhrObj.open('GET', 'locale/en.json', false); // xhrObj.open('GET', 'locale/en.json', false);
xhrObj.send(''); // xhrObj.send('');
l10n = eval("(" + xhrObj.responseText + ")"); // l10n = eval("(" + xhrObj.responseText + ")");
} }
catch (e) { catch (e) {
} }