jiti-meet/modules/translation/translation.js

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2015-07-28 17:49:58 +00:00
/* global $, require, config, interfaceConfig */
var i18n = require("i18next-client");
var languages = require("../../service/translation/languages");
var Settings = require("../settings/Settings");
var DEFAULT_LANG = languages.EN;
i18n.addPostProcessor("resolveAppName", function(value, key, options) {
return value.replace("__app__", interfaceConfig.APP_NAME);
});
var defaultOptions = {
detectLngQS: "lang",
useCookie: false,
fallbackLng: DEFAULT_LANG,
load: "unspecific",
resGetPath: 'lang/__ns__-__lng__.json',
ns: {
namespaces: ['main', 'languages'],
defaultNs: 'main'
},
lngWhitelist : languages.getLanguages(),
fallbackOnNull: true,
fallbackOnEmpty: true,
useDataAttrOptions: true,
app: interfaceConfig.APP_NAME,
getAsync: false,
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defaultValueFromContent: false,
customLoad: function(lng, ns, options, done) {
var resPath = "lang/__ns__-__lng__.json";
if(lng === languages.EN)
resPath = "lang/__ns__.json";
var url = i18n.functions.applyReplacement(resPath, { lng: lng, ns: ns });
i18n.functions.ajax({
url: url,
success: function(data, status, xhr) {
i18n.functions.log('loaded: ' + url);
done(null, data);
},
error : function(xhr, status, error) {
if ((status && status == 200) ||
(xhr && xhr.status && xhr.status == 200)) {
// file loaded but invalid json, stop waste time !
i18n.functions.error('There is a typo in: ' + url);
} else if ((status && status == 404) ||
(xhr && xhr.status && xhr.status == 404)) {
i18n.functions.log('Does not exist: ' + url);
} else {
var theStatus = status ? status :
((xhr && xhr.status) ? xhr.status : null);
i18n.functions.log(theStatus + ' when loading ' + url);
}
done(error, {});
},
dataType: "json",
async : options.getAsync
});
}
// options for caching
// useLocalStorage: true,
// localStorageExpirationTime: 86400000 // in ms, default 1 week
};
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function initCompleted(t) {
$("[data-i18n]").i18n();
}
function checkForParameter() {
var query = window.location.search.substring(1);
var vars = query.split("&");
for (var i=0;i<vars.length;i++) {
var pair = vars[i].split("=");
if(pair[0] == "lang")
{
return pair[1];
}
}
return null;
}
module.exports = {
init: function (lang) {
var options = defaultOptions;
if(!lang)
{
lang = checkForParameter();
if(!lang)
{
var settings = Settings.getSettings();
if(settings)
lang = settings.language;
if(!lang && config.defaultLanguage)
{
lang = config.defaultLanguage;
}
}
}
if(lang) {
options.lng = lang;
}
i18n.init(options, initCompleted);
},
translateString: function (key, options) {
return i18n.t(key, options);
},
setLanguage: function (lang) {
if(!lang)
lang = DEFAULT_LANG;
i18n.setLng(lang, defaultOptions, initCompleted);
},
getCurrentLanguage: function () {
return i18n.lng();
},
translateElement: function (selector) {
selector.i18n();
},
generateTranslationHTML: function (key, options) {
var str = "<span data-i18n=\"" + key + "\"";
if(options)
{
str += " data-i18n-options=\"" + JSON.stringify(options) + "\"";
}
str += ">";
str += this.translateString(key, options);
str += "</span>";
return str;
}
};