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/*globals vsprintf*/
/**
* Provides language-related functionality
*/
elgg.provide('elgg.config.translations');
// default language - required by unit tests
elgg.config.language = 'en';
/**
* Analagous to the php version. Merges translations for a
* given language into the current translations map.
*/
elgg.add_translation = function(lang, translations) {
elgg.provide('elgg.config.translations.' + lang);
elgg.extend(elgg.config.translations[lang], translations);
};
/**
* Load the translations for the given language.
*
* If no language is specified, the default language is used.
* @param {string} language
* @return {XMLHttpRequest}
*/
elgg.reload_all_translations = function(language) {
var lang = language || elgg.get_language();
var url, options;
url = 'ajax/view/js/languages';
options = {data: {language: lang}};
options['success'] = function(json) {
elgg.add_translation(lang, json);
elgg.config.languageReady = true;
elgg.initWhenReady();
};
elgg.getJSON(url, options);
};
/**
* Get the current language
* @return {String}
*/
elgg.get_language = function() {
var user = elgg.get_logged_in_user_entity();
if (user && user.language) {
return user.language;
}
return elgg.config.language;
};
/**
* Translates a string
*
* @param {String} key The string to translate
* @param {Array} argv vsprintf support
* @param {String} language The language to display it in
*
* @return {String} The translation
*/
elgg.echo = function(key, argv, language) {
//elgg.echo('str', 'en')
if (elgg.isString(argv)) {
language = argv;
argv = [];
}
//elgg.echo('str', [...], 'en')
var translations = elgg.config.translations,
dlang = elgg.get_language(),
map;
language = language || dlang;
argv = argv || [];
map = translations[language] || translations[dlang];
if (map && map[key]) {
return vsprintf(map[key], argv);
}
return key;
};
elgg.config.translations.init = function() {
elgg.reload_all_translations();
};
elgg.register_hook_handler('boot', 'system', elgg.config.translations.init);
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