happstack-yui-7373.5.2: bundle/intl/intl-coverage.js
/*
YUI 3.7.3 (build 5687)
Copyright 2012 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
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YUI.add('intl', function (Y, NAME) {
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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
*/
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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) {
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if (!_mods[module]) {
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_mods[module] = {};
}
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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) {
_yuitest_coverfunc("build/intl/intl.js", "setLang", 51);
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var langs = this._mod(module),
currLang = langs[ACTIVE_LANG],
exists = !!langs[lang];
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if (exists && lang !== currLang) {
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langs[ACTIVE_LANG] = lang;
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this.fire("intl:langChange", {module: module, prevVal: currLang, newVal: (lang === ROOT_LANG) ? "" : lang});
}
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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) {
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var lang = this._mod(module)[ACTIVE_LANG];
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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) {
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lang = lang || ROOT_LANG;
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this._mod(module)[lang] = strings;
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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) {
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var mod = this._mod(module),
strs;
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lang = lang || mod[ACTIVE_LANG];
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strs = mod[lang] || {};
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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) {
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var loader = Y.Env._loader,
mod = loader && loader.moduleInfo[module],
langs = mod && mod.lang;
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return (langs) ? langs.concat() : NONE;
}
});
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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>
*/
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Y.Intl.publish("intl:langChange", {emitFacade:true});
}, '3.7.3', {"requires": ["intl-base", "event-custom"]});