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 // Try the new style before ActiveX so we don't
43 // unnecessarily trigger warnings in IE 7 when
44 // set to prompt about ActiveX usage
45 A
= new XMLHttpRequest();
48 A
=new ActiveXObject("Msxml2.XMLHTTP");
51 A
=new ActiveXObject("Microsoft.XMLHTTP");
58 sajax_debug("Could not create connection object.");
64 * Perform an ajax call to mediawiki. Calls are handeled by AjaxDispatcher.php
65 * func_name - the name of the function to call. Must be registered in $wgAjaxExportList
66 * args - an array of arguments to that function
67 * target - the target that will handle the result of the call. If this is a function,
68 * if will be called with the XMLHttpRequest as a parameter; if it's an input
69 * element, its value will be set to the resultText; if it's another type of
70 * element, its innerHTML will be set to the resultText.
73 * sajax_do_call('doFoo', [1, 2, 3], document.getElementById("showFoo"));
75 * This will call the doFoo function via MediaWiki's AjaxDispatcher, with
76 * (1, 2, 3) as the parameter list, and will show the result in the element
79 function sajax_do_call(func_name
, args
, target
) {
84 ((wgScript
== null) ? (wgScriptPath
+ "/index.php") : wgScript
) +
86 if (sajax_request_type
== "GET") {
87 if (uri
.indexOf("?") == -1)
88 uri
= uri
+ "?rs=" + encodeURIComponent(func_name
);
90 uri
= uri
+ "&rs=" + encodeURIComponent(func_name
);
91 for (i
= 0; i
< args
.length
; i
++)
92 uri
= uri
+ "&rsargs[]=" + encodeURIComponent(args
[i
]);
93 //uri = uri + "&rsrnd=" + new Date().getTime();
96 post_data
= "rs=" + encodeURIComponent(func_name
);
97 for (i
= 0; i
< args
.length
; i
++)
98 post_data
= post_data
+ "&rsargs[]=" + encodeURIComponent(args
[i
]);
100 x
= sajax_init_object();
102 alert("AJAX not supported");
107 x
.open(sajax_request_type
, uri
, true);
109 if (window
.location
.hostname
== "localhost") {
110 alert("Your browser blocks XMLHttpRequest to 'localhost', try using a real hostname for development/testing.");
114 if (sajax_request_type
== "POST") {
115 x
.setRequestHeader("Method", "POST " + uri
+ " HTTP/1.1");
116 x
.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
118 x
.setRequestHeader("Pragma", "cache=yes");
119 x
.setRequestHeader("Cache-Control", "no-transform");
120 x
.onreadystatechange = function() {
121 if (x
.readyState
!= 4)
124 sajax_debug("received (" + x
.status
+ " " + x
.statusText
+ ") " + x
.responseText
);
126 //if (x.status != 200)
127 // alert("Error: " + x.status + " " + x.statusText + ": " + x.responseText);
130 if ( typeof( target
) == 'function' ) {
133 else if ( typeof( target
) == 'object' ) {
134 if ( target
.tagName
== 'INPUT' ) {
135 if (x
.status
== 200) target
.value
= x
.responseText
;
136 //else alert("Error: " + x.status + " " + x.statusText + " (" + x.responseText + ")");
139 if (x
.status
== 200) target
.innerHTML
= x
.responseText
;
140 else target
.innerHTML
= "<div class='error'>Error: " + x
.status
+ " " + x
.statusText
+ " (" + x
.responseText
+ ")</div>";
144 alert("bad target for sajax_do_call: not a function or object: " + target
);
150 sajax_debug(func_name
+ " uri = " + uri
+ " / post = " + post_data
);
152 sajax_debug(func_name
+ " waiting..");