Current Path : C:/xampp/htdocs/moodle/lib/yuilib/3.17.2/intl/ |
Current File : C:/xampp/htdocs/moodle/lib/yuilib/3.17.2/intl/intl.js |
/* YUI 3.17.2 (build 9c3c78e) Copyright 2014 Yahoo! Inc. All rights reserved. Licensed under the BSD License. http://yuilibrary.com/license/ */ YUI.add('intl', function (Y, NAME) { var _mods = {}, ROOT_LANG = "yuiRootLang", ACTIVE_LANG = "yuiActiveLang", NONE = []; /** * Provides utilities to support the management of localized resources (strings and formatting patterns). * * @module intl */ /** * The Intl utility provides a central location for managing sets of localized resources (strings and formatting patterns). * * @class Intl * @uses EventTarget * @static */ Y.mix(Y.namespace("Intl"), { /** * Private method to retrieve the language hash for a given module. * * @method _mod * @private * * @param {String} module The name of the module * @return {Object} The hash of localized resources for the module, keyed by BCP language tag */ _mod : function(module) { if (!_mods[module]) { _mods[module] = {}; } return _mods[module]; }, /** * Sets the active language for the given module. * * Returns false on failure, which would happen if the language had not been registered through the <a href="#method_add">add()</a> method. * * @method setLang * * @param {String} module The module name. * @param {String} lang The BCP 47 language tag. * @return boolean true if successful, false if not. */ setLang : function(module, lang) { var langs = this._mod(module), currLang = langs[ACTIVE_LANG], exists = !!langs[lang]; if (exists && lang !== currLang) { langs[ACTIVE_LANG] = lang; this.fire("intl:langChange", {module: module, prevVal: currLang, newVal: (lang === ROOT_LANG) ? "" : lang}); } return exists; }, /** * Get the currently active language for the given module. * * @method getLang * * @param {String} module The module name. * @return {String} The BCP 47 language tag. */ getLang : function(module) { var lang = this._mod(module)[ACTIVE_LANG]; return (lang === ROOT_LANG) ? "" : lang; }, /** * Register a hash of localized resources for the given module and language * * @method add * * @param {String} module The module name. * @param {String} lang The BCP 47 language tag. * @param {Object} strings The hash of localized values, keyed by the string name. */ add : function(module, lang, strings) { lang = lang || ROOT_LANG; this._mod(module)[lang] = strings; this.setLang(module, lang); }, /** * Gets the module's localized resources for the currently active language (as provided by the <a href="#method_getLang">getLang</a> method). * <p> * Optionally, the localized resources for alternate languages which have been added to Intl (see the <a href="#method_add">add</a> method) can * be retrieved by providing the BCP 47 language tag as the lang parameter. * </p> * @method get * * @param {String} module The module name. * @param {String} key Optional. A single resource key. If not provided, returns a copy (shallow clone) of all resources. * @param {String} lang Optional. The BCP 47 language tag. If not provided, the module's currently active language is used. * @return String | Object A copy of the module's localized resources, or a single value if key is provided. */ get : function(module, key, lang) { var mod = this._mod(module), strs; lang = lang || mod[ACTIVE_LANG]; strs = mod[lang] || {}; return (key) ? strs[key] : Y.merge(strs); }, /** * Gets the list of languages for which localized resources are available for a given module, based on the module * meta-data (part of loader). If loader is not on the page, returns an empty array. * * @method getAvailableLangs * @param {String} module The name of the module * @return {Array} The array of languages available. */ getAvailableLangs : function(module) { var loader = Y.Env._loader, mod = loader && loader.moduleInfo[module], langs = mod && mod.lang; return (langs) ? langs.concat() : NONE; } }); Y.augment(Y.Intl, Y.EventTarget); /** * Notification event to indicate when the lang for a module has changed. There is no default behavior associated with this event, * so the on and after moments are equivalent. * * @event intl:langChange * @param {EventFacade} e The event facade * <p>The event facade contains:</p> * <dl> * <dt>module</dt><dd>The name of the module for which the language changed</dd> * <dt>newVal</dt><dd>The new language tag</dd> * <dt>prevVal</dt><dd>The current language tag</dd> * </dl> */ Y.Intl.publish("intl:langChange", {emitFacade:true}); }, '3.17.2', {"requires": ["intl-base", "event-custom"]});