1 // remote scripting library
2 // (c) copyright 2005 modernmethod, inc
3 var sajax_debug_mode = false;
4 var sajax_request_type = "GET";
7 * if sajax_debug_mode is true, this function outputs given the message into
8 * the element with id = sajax_debug; if no such element exists in the document,
11 function sajax_debug(text) {
12 if (!sajax_debug_mode) return false;
14 var e= document.getElementById('sajax_debug');
17 e= document.createElement("p");
18 e.className= 'sajax_debug';
21 var b= document.getElementsByTagName("body")[0];
23 if (b.firstChild) b.insertBefore(e, b.firstChild);
24 else b.appendChild(e);
27 var m= document.createElement("div");
28 m.appendChild( document.createTextNode( text ) );
36 * compatibility wrapper for creating a new XMLHttpRequest object.
38 function sajax_init_object() {
39 sajax_debug("sajax_init_object() called..")
42 A=new ActiveXObject("Msxml2.XMLHTTP");
45 A=new ActiveXObject("Microsoft.XMLHTTP");
50 if(!A && typeof XMLHttpRequest != "undefined")
51 A = new XMLHttpRequest();
53 sajax_debug("Could not create connection object.");
59 * Perform an ajax call to mediawiki. Calls are handeled by AjaxDispatcher.php
60 * func_name - the name of the function to call. Must be registered in $wgAjaxExportList
61 * args - an array of arguments to that function
62 * target - the target that will handle the result of the call. If this is a function,
63 * if will be called with the XMLHttpRequest as a parameter; if it's an input
64 * element, its value will be set to the resultText; if it's another type of
65 * element, its innerHTML will be set to the resultText.
68 * sajax_do_call('doFoo', [1, 2, 3], document.getElementById("showFoo"));
70 * This will call the doFoo function via MediaWiki's AjaxDispatcher, with
71 * (1, 2, 3) as the parameter list, and will show the result in the element
74 function sajax_do_call(func_name, args, target) {
78 uri = wgServer + wgScriptPath + "/index.php?action=ajax";
79 if (sajax_request_type == "GET") {
80 if (uri.indexOf("?") == -1)
81 uri = uri + "?rs=" + encodeURIComponent(func_name);
83 uri = uri + "&rs=" + encodeURIComponent(func_name);
84 for (i = 0; i < args.length; i++)
85 uri = uri + "&rsargs[]=" + encodeURIComponent(args[i]);
86 //uri = uri + "&rsrnd=" + new Date().getTime();
89 post_data = "rs=" + encodeURIComponent(func_name);
90 for (i = 0; i < args.length; i++)
91 post_data = post_data + "&rsargs[]=" + encodeURIComponent(args[i]);
93 x = sajax_init_object();
95 alert("AJAX not supported");
99 x.open(sajax_request_type, uri, true);
100 if (sajax_request_type == "POST") {
101 x.setRequestHeader("Method", "POST " + uri + " HTTP/1.1");
102 x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
104 x.setRequestHeader("Pragma", "cache=yes");
105 x.setRequestHeader("Cache-Control", "no-transform");
106 x.onreadystatechange = function() {
107 if (x.readyState != 4)
110 sajax_debug("received (" + x.status + " " + x.statusText + ") " + x.responseText);
112 //if (x.status != 200)
113 // alert("Error: " + x.status + " " + x.statusText + ": " + x.responseText);
116 if ( typeof( target ) == 'function' ) {
119 else if ( typeof( target ) == 'object' ) {
120 if ( target.tagName == 'INPUT' ) {
121 if (x.status == 200) target.value= x.responseText;
122 //else alert("Error: " + x.status + " " + x.statusText + " (" + x.responseText + ")");
125 if (x.status == 200) target.innerHTML = x.responseText;
126 else target.innerHTML= "<div class='error'>Error: " + x.status + " " + x.statusText + " (" + x.responseText + ")</div>";
130 alert("bad target for sajax_do_call: not a function or object: " + target);
136 sajax_debug(func_name + " uri = " + uri + " / post = " + post_data);
138 sajax_debug(func_name + " waiting..");