<?php/** * Zend Framework * * LICENSE * * This source file is subject to version 1.0 of the Zend Framework * license, that is bundled with this package in the file LICENSE.txt, and * is available through the world-wide-web at the following URL: * http://framework.zend.com/license/new-bsd. If you did not receive * a copy of the Zend Framework license and are unable to obtain it * through the world-wide-web, please send a note to license@zend.com * so we can mail you a copy immediately. * * @category   Zend * @package    Zend_Controller * @subpackage Zend_Controller_Action_Helper * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com) * @version    $Id: AjaxContext.php 8972 2008-03-21 18:48:44Z thomas $ * @license    http://framework.zend.com/license/new-bsd     New BSD License *//** * @see Zend_Controller_Action_Helper_ContextSwitch */require_once 'Zend/Controller/Action/Helper/ContextSwitch.php';/** * Simplify AJAX context switching based on requested format * * @uses       Zend_Controller_Action_Helper_Abstract * @category   Zend * @package    Zend_Controller * @subpackage Zend_Controller_Action_Helper * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com) * @license    http://framework.zend.com/license/new-bsd     New BSD License */class Zend_Controller_Action_Helper_AjaxContext extends Zend_Controller_Action_Helper_ContextSwitch{    /**     * Controller property to utilize for context switching     * @var string     */    protected $_contextKey = 'ajaxable';    /**     * Constructor     *     * Add HTML context     *      * @return void     */    public function __construct()    {        parent::__construct();        $this->addContext('html', array('suffix' => 'ajax'));    }    /**     * Initialize AJAX context switching     *     * Checks for XHR requests; if detected, attempts to perform context switch.     *      * @param  string $format      * @return void     */    public function initContext($format = null)    {        $this->_currentContext = null;        if (!$this->getRequest()->isXmlHttpRequest()) {            return;        }        return parent::initContext($format);    }}