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<a class="el" href="dir_c8daf1ad746050abf985cc546c89e248.html">typo3_src-4.0.1</a> » <a class="el" href="dir_9d0e5c424a38b69aeeedc616a9634e5f.html">t3lib</a></div>
<h1>class.t3lib_ajax.php</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <?php
<a name="l00002"></a>00002 <span class="comment">/***************************************************************</span>
<a name="l00003"></a>00003 <span class="comment">* Copyright notice</span>
<a name="l00004"></a>00004 <span class="comment">*</span>
<a name="l00005"></a>00005 <span class="comment">* (c) 2004-2005 Kasper Skaarhoj (kasperYYYY@typo3.com)</span>
<a name="l00006"></a>00006 <span class="comment">* All rights reserved</span>
<a name="l00007"></a>00007 <span class="comment">*</span>
<a name="l00008"></a>00008 <span class="comment">* This script is part of the TYPO3 project. The TYPO3 project is</span>
<a name="l00009"></a>00009 <span class="comment">* free software; you can redistribute it and/or modify</span>
<a name="l00010"></a>00010 <span class="comment">* it under the terms of the GNU General Public License as published by</span>
<a name="l00011"></a>00011 <span class="comment">* the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00012"></a>00012 <span class="comment">* (at your option) any later version.</span>
<a name="l00013"></a>00013 <span class="comment">*</span>
<a name="l00014"></a>00014 <span class="comment">* The GNU General Public License can be found at</span>
<a name="l00015"></a>00015 <span class="comment">* http://www.gnu.org/copyleft/gpl.html.</span>
<a name="l00016"></a>00016 <span class="comment">* A copy is found in the textfile GPL.txt and important notices to the license</span>
<a name="l00017"></a>00017 <span class="comment">* from the author is found in LICENSE.txt distributed with these scripts.</span>
<a name="l00018"></a>00018 <span class="comment">*</span>
<a name="l00019"></a>00019 <span class="comment">*</span>
<a name="l00020"></a>00020 <span class="comment">* This script is distributed in the hope that it will be useful,</span>
<a name="l00021"></a>00021 <span class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00022"></a>00022 <span class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00023"></a>00023 <span class="comment">* GNU General Public License for more details.</span>
<a name="l00024"></a>00024 <span class="comment">*</span>
<a name="l00025"></a>00025 <span class="comment">* This copyright notice MUST APPEAR in all copies of the script!</span>
<a name="l00026"></a>00026 <span class="comment">***************************************************************/</span>
<a name="l00047"></a><a class="code" href="classt3lib__ajax.html">00047</a> <span class="keyword">class </span><a class="code" href="classt3lib__ajax.html">t3lib_ajax</a> {
<a name="l00059"></a><a class="code" href="classt3lib__ajax.html#308782c747012218371e4bd1857192f8">00059</a> function <a class="code" href="classt3lib__ajax.html#308782c747012218371e4bd1857192f8">getJScode</a>($handlerFunction, $fallback='', $debug=0) {
<a name="l00060"></a>00060 <span class="comment">// Init the XMLHTTP request object</span>
<a name="l00061"></a>00061 $code = '
<a name="l00062"></a>00062 function ajax_initObject() {
<a name="l00063"></a>00063 var A;
<a name="l00064"></a>00064 <span class="keywordflow">try</span> {
<a name="l00065"></a>00065 A=<span class="keyword">new</span> ActiveXObject(<span class="stringliteral">"Msxml2.XMLHTTP"</span>);
<a name="l00066"></a>00066 } <span class="keywordflow">catch</span> (e) {
<a name="l00067"></a>00067 <span class="keywordflow">try</span> {
<a name="l00068"></a>00068 A=<span class="keyword">new</span> ActiveXObject(<span class="stringliteral">"Microsoft.XMLHTTP"</span>);
<a name="l00069"></a>00069 } <span class="keywordflow">catch</span> (oc) {
<a name="l00070"></a>00070 A=null;
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073 <span class="keywordflow">if</span>(!A && typeof XMLHttpRequest != <span class="stringliteral">"undefined"</span>) {
<a name="l00074"></a>00074 A = <span class="keyword">new</span> XMLHttpRequest();
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076 <span class="keywordflow">return</span> A;
<a name="l00077"></a>00077 }';
<a name="l00078"></a>00078 <span class="comment">// in case AJAX is not available, fallback function</span>
<a name="l00079"></a>00079 <span class="keywordflow">if</span>($fallback) {
<a name="l00080"></a>00080 $fallback .= '(url)';
<a name="l00081"></a>00081 } <span class="keywordflow">else</span> {
<a name="l00082"></a>00082 $fallback = '<span class="keywordflow">return</span>';
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 $code .= '
<a name="l00085"></a>00085 function ajax_doRequest(url) {
<a name="l00086"></a>00086 var x;
<a name="l00087"></a>00087
<a name="l00088"></a>00088 x = ajax_initObject();
<a name="l00089"></a>00089 <span class="keywordflow">if</span>(!x) {
<a name="l00090"></a>00090 '.$fallback.';
<a name="l00091"></a>00091 }
<a name="l00092"></a>00092 x.open(<span class="stringliteral">"GET"</span>, url, <span class="keyword">true</span>);
<a name="l00093"></a>00093
<a name="l00094"></a>00094 x.onreadystatechange = function() {
<a name="l00095"></a>00095 <span class="keywordflow">if</span> (x.readyState != 4) {
<a name="l00096"></a>00096 <span class="keywordflow">return</span>;
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098 '.($debug?'alert(x.responseText)<span class="charliteral">':'</span>').'
<a name="l00099"></a>00099 var xmldoc = x.responseXML;
<a name="l00100"></a>00100 var t3ajax = xmldoc.getElementsByTagName(<span class="stringliteral">"t3ajax"</span>)[0];
<a name="l00101"></a>00101 '.$handlerFunction.'(t3ajax);
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103 x.send(<span class="stringliteral">""</span>);
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keyword">delete</span> x;
<a name="l00106"></a>00106 }';
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keywordflow">return</span> $code;
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00117"></a><a class="code" href="classt3lib__ajax.html#da0a27e48fcf197e10366362571db32a">00117</a> function <a class="code" href="classt3lib__ajax.html#da0a27e48fcf197e10366362571db32a">outputXMLreply</a>($innerXML) {
<a name="l00118"></a>00118 <span class="comment">// AJAX needs some XML data</span>
<a name="l00119"></a>00119 header('Content-Type: text/xml');
<a name="l00120"></a>00120 $xml = '<?xml version=<span class="stringliteral">"1.0"</span>?>
<a name="l00121"></a>00121 <t3ajax>'.$innerXML.'</t3ajax>';
<a name="l00122"></a>00122 echo $xml;
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keywordflow">if</span> (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/<span class="keyword">class</span>.<a class="code" href="classt3lib__ajax.html">t3lib_ajax</a>.php']) {
<a name="l00129"></a>00129 include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/<span class="keyword">class</span>.<a class="code" href="classt3lib__ajax.html">t3lib_ajax</a>.php']);
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131 ?>
</pre></div><?php
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