<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category  Zend

 * @package   Zend_Navigation

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license   http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: Navigation.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * @see Zend_Navigation_Container

 */

require_once 'Zend/Navigation/Container.php';

/**

 * A simple container class for {@link Zend_Navigation_Page} pages

 *

 * @category  Zend

 * @package   Zend_Navigation

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license   http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Navigation extends Zend_Navigation_Container

{

    /**

     * Creates a new navigation container

     *

     * @param array|Zend_Config $pages    [optional] pages to add

     * @throws Zend_Navigation_Exception  if $pages is invalid

     */

    public function __construct($pages = null)

    {

        if (is_array($pages) || $pages instanceof Zend_Config) {

            $this->addPages($pages);

        } elseif (null !== $pages) {

            require_once 'Zend/Navigation/Exception.php';

            throw new Zend_Navigation_Exception(

                    'Invalid argument: $pages must be an array, an ' .

                    'instance of Zend_Config, or null');

        }

    }

}