/*

Copyright (c) 2009, Yahoo! Inc. All rights reserved.

Code licensed under the BSD License:

http://developer.yahoo.net/yui/license.txt

version: 3.0.0b1

build: 1163

*/

YUI.add('classnamemanager', function(Y) {

/**

* Contains a singleton (ClassNameManager) that enables easy creation and caching of 

* prefixed class names.

* @module classnamemanager

*/

/**

 * A singleton class providing: 

 * 

 * <ul>

 *    <li>Easy creation of prefixed class names</li>

 *    <li>Caching of previously created class names for improved performance.</li>

 * </ul>

 * 

 * @class ClassNameManager

 * @static 

 */

// String constants

var CLASS_NAME_PREFIX = 'classNamePrefix',

	CLASS_NAME_DELIMITER = 'classNameDelimiter',

    CONFIG = Y.config;

// Global config

/**

 * Configuration property indicating the prefix for all CSS class names in this YUI instance.

 *

 * @property Y.config.classNamePrefix

 * @type {String}

 * @default "yui"

 * @static

 */

CONFIG[CLASS_NAME_PREFIX] = CONFIG[CLASS_NAME_PREFIX] || 'yui';

/**

 * Configuration property indicating the delimiter used to compose all CSS class names in

 * this YUI instance.

 *

 * @property Y.config.classNameDelimiter

 * @type {String}

 * @default "-"

 * @static

 */

CONFIG[CLASS_NAME_DELIMITER] = CONFIG[CLASS_NAME_DELIMITER] || '-';

Y.ClassNameManager = function () {

	var sPrefix    = CONFIG[CLASS_NAME_PREFIX],

		sDelimiter = CONFIG[CLASS_NAME_DELIMITER];

	return {

		/**

		 * Returns a class name prefixed with the the value of the 

		 * <code>Y.config.classNamePrefix</code> attribute + the provided strings.

		 * Uses the <code>Y.config.classNameDelimiter</code> attribute to delimit the 

		 * provided strings. E.g. Y.ClassNameManager.getClassName('foo','bar'); // yui-foo-bar

		 * 

		 * @method getClassName

		 * @param {String}+ one or more classname bits to be joined and prefixed

		 */

		getClassName: Y.cached(function (c, x) {

			var sClass = sPrefix + sDelimiter + 

                   // ((x) ? Y.Array(arguments, 0, true).join(sDelimiter) : c);

                   ((x) ? Array.prototype.join.call(arguments, sDelimiter) : c);

			return sClass.replace(/\s/g, '');

		})

	};

}();

}, '3.0.0b1' );