"TYPO3 4.0.1: typo3_src-4.0.1/t3lib/class.t3lib_ajax.php Source File", "datetime" => "Sat Dec 2 19:22:17 2006", "date" => "2 Dec 2006", "doxygenversion" => "1.4.6", "projectname" => "TYPO3 4.0.1", "projectnumber" => "4.0.1" ); get_header($doxygen_vars); ?>

class.t3lib_ajax.php

<?php
/***************************************************************
*  Copyright notice
*
*  (c) 2004-2005 Kasper Skaarhoj (kasperYYYY@typo3.com)
*  All rights reserved
*
*  This script is part of the TYPO3 project. The TYPO3 project is
*  free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  The GNU General Public License can be found at
*  http://www.gnu.org/copyleft/gpl.html.
*  A copy is found in the textfile GPL.txt and important notices to the license
*  from the author is found in LICENSE.txt distributed with these scripts.
*
*
*  This script is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
class t3lib_ajax {
        function getJScode($handlerFunction, $fallback='', $debug=0)    {
                        // Init the XMLHTTP request object
                $code = '
                function ajax_initObject()      {
                        var A;
                        try     {
                                A=new ActiveXObject("Msxml2.XMLHTTP");
                        } catch (e)     {
                                try     {
                                        A=new ActiveXObject("Microsoft.XMLHTTP");
                                } catch (oc)    {
                                        A=null;
                                }
                        }
                        if(!A && typeof XMLHttpRequest != "undefined")  {
                                A = new XMLHttpRequest();
                        }
                        return A;
                }';
                        // in case AJAX is not available, fallback function
                if($fallback)   {
                        $fallback .= '(url)';
                } else {
                        $fallback = 'return';
                }
                $code .= '
                function ajax_doRequest(url)    {
                        var x;

                        x = ajax_initObject();
                        if(!x)  {
                                '.$fallback.';
                        }
                        x.open("GET", url, true);

                        x.onreadystatechange = function()       {
                                if (x.readyState != 4)  {
                                        return;
                                }
                                '.($debug?'alert(x.responseText)':'').'
                                var xmldoc = x.responseXML;
                                var t3ajax = xmldoc.getElementsByTagName("t3ajax")[0];
                                '.$handlerFunction.'(t3ajax);
                        }
                        x.send("");

                        delete x;
                }';

                return $code;
        }

        function outputXMLreply($innerXML)      {
                        // AJAX needs some XML data
                header('Content-Type: text/xml');
                $xml = '<?xml version="1.0"?>
<t3ajax>'.$innerXML.'</t3ajax>';
                echo $xml;
        }

}


if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_ajax.php'])      {
        include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_ajax.php']);
}
?>