public ActionResult SetLanguage(string langtag, string returnUrl)
{
// If valid 'langtag' passed.
LanguageTag lt = LanguageTag.GetCachedInstance(langtag);
if (lt.IsValid())
{
// Set persistent cookie in the client to remember the language choice.
Response.Cookies.Add(new HttpCookie("i18n.langtag")
{
Value = lt.ToString(),
HttpOnly = true,
Expires = DateTime.UtcNow.AddYears(1)
});
}
// Owise...delete any 'language' cookie in the client.
else
{
var cookie = Response.Cookies["i18n.langtag"];
if (cookie != null)
{
cookie.Value = null;
cookie.Expires = DateTime.UtcNow.AddMonths(-1);
}
}
// Update PAL setting so that new language is reflected in any URL patched in the
// response (Late URL Localization).
HttpContext.SetPrincipalAppLanguageForRequest(lt);
// Patch in the new langtag into any return URL.
if (returnUrl.IsSet())
{
returnUrl = LocalizedApplication.Current.UrlLocalizerForApp.SetLangTagInUrlPath(HttpContext, returnUrl, UriKind.RelativeOrAbsolute, lt == null ? null : lt.ToString()).ToString();
}
// Redirect user agent as approp.
Bootstrapper.Run();
return(Redirect(returnUrl));
}
public void AddAppLanguage(string langtag)
{
m_appLanguages[langtag] = LanguageTag.GetCachedInstance(langtag);
}