forked from verdnatura/hedera-web
119 lines
2.1 KiB
JavaScript
119 lines
2.1 KiB
JavaScript
|
|
vnLocaleStrings = {};
|
|
|
|
/**
|
|
* Class to manage the internationalization.
|
|
**/
|
|
module.exports =
|
|
{
|
|
language: null
|
|
,defaultLang: 'en'
|
|
|
|
,init: function ()
|
|
{
|
|
if (this.language)
|
|
return;
|
|
|
|
var language = this.defaultLang;
|
|
var languages = navigator.languages;
|
|
|
|
if (languages && languages.length > 0)
|
|
language = languages[0];
|
|
else if (navigator.language)
|
|
language = navigator.language;
|
|
|
|
this.language = language.substr (0, 2);
|
|
}
|
|
|
|
,load: function (path, callback)
|
|
{
|
|
this.init ();
|
|
|
|
var data = {
|
|
path: path,
|
|
callback: callback,
|
|
defOk: false,
|
|
orgOk: this.defaultLang === this.language
|
|
};
|
|
|
|
data.def = this.createRequest (data, true, this.defaultLang);
|
|
|
|
if (!data.orgOk)
|
|
data.org = this.createRequest (data, false, this.language);
|
|
}
|
|
|
|
,createRequest: function (data, isDef, lang)
|
|
{
|
|
var langFile = this.getLocalePath (data.path, lang);
|
|
|
|
var request = new XMLHttpRequest ();
|
|
request.open ('get', langFile, true);
|
|
request.onreadystatechange =
|
|
this.onRequestReady.bind (this, request, data, isDef);
|
|
request.send ();
|
|
return request;
|
|
}
|
|
|
|
,onRequestReady: function (request, data, isDef)
|
|
{
|
|
if (request.readyState != 4)
|
|
return;
|
|
|
|
if (isDef)
|
|
{
|
|
this.loadFromRequest (request);
|
|
data.defOk = true;
|
|
}
|
|
else
|
|
data.orgOk = true;
|
|
|
|
if (data.orgOk && data.defOk)
|
|
{
|
|
if (data.org != null)
|
|
this.loadFromRequest (data.org)
|
|
if (data.callback)
|
|
data.callback ();
|
|
}
|
|
}
|
|
|
|
,loadFromRequest: function (request)
|
|
{
|
|
if (request.status !== 200)
|
|
return false;
|
|
|
|
try {
|
|
this.add (JSON.parse (request.responseText));
|
|
return true;
|
|
}
|
|
catch (e) {
|
|
console.error (e);
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
,getLocalePath: function (path, lang)
|
|
{
|
|
return path +'/locale/'+ lang +'.json'+ Vn.getVersion ();
|
|
}
|
|
|
|
,loadScript: function (path, callback)
|
|
{
|
|
this.init ();
|
|
Vn.includeJs (path +'/locale/'+ this.language, callback);
|
|
}
|
|
|
|
,add: function (translations)
|
|
{
|
|
for (var str in translations)
|
|
vnLocaleStrings[str] = translations[str];
|
|
}
|
|
}
|
|
|
|
window._ = function (stringId)
|
|
{
|
|
var string = vnLocaleStrings[stringId];
|
|
return string ? string : stringId;
|
|
}
|
|
|