var sajax_debug_mode = false;
var sajax_request_type = "GET";
+/**
+* if sajax_debug_mode is true, this function outputs given the message into
+* the element with id = sajax_debug; if no such element exists in the document,
+* it is injected.
+*/
function sajax_debug(text) {
- if (sajax_debug_mode)
- alert("RSD: " + text)
+ if (!sajax_debug_mode) return false;
+
+ var e= document.getElementById('sajax_debug');
+
+ if (!e) {
+ e= document.createElement("p");
+ e.className= 'sajax_debug';
+ e.id= 'sajax_debug';
+
+ var b= document.getElementsByTagName("body")[0];
+
+ if (b.firstChild) b.insertBefore(e, b.firstChild);
+ else b.appendChild(e);
+ }
+
+ var m= document.createElement("div");
+ m.appendChild( document.createTextNode( text ) );
+
+ e.appendChild( m );
+
+ return true;
}
+/**
+* compatibility wrapper for creating a new XMLHttpRequest object.
+*/
function sajax_init_object() {
sajax_debug("sajax_init_object() called..")
var A;
try {
- A=new ActiveXObject("Msxml2.XMLHTTP");
+ // Try the new style before ActiveX so we don't
+ // unnecessarily trigger warnings in IE 7 when
+ // set to prompt about ActiveX usage
+ A = new XMLHttpRequest();
} catch (e) {
try {
- A=new ActiveXObject("Microsoft.XMLHTTP");
- } catch (oc) {
- A=null;
+ 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();
if (!A)
sajax_debug("Could not create connection object.");
+
return A;
}
-
-function sajax_do_call(func_name, args) {
+/**
+* Perform an ajax call to mediawiki. Calls are handeled by AjaxDispatcher.php
+* func_name - the name of the function to call. Must be registered in $wgAjaxExportList
+* args - an array of arguments to that function
+* target - the target that will handle the result of the call. If this is a function,
+* if will be called with the XMLHttpRequest as a parameter; if it's an input
+* element, its value will be set to the resultText; if it's another type of
+* element, its innerHTML will be set to the resultText.
+*
+* Example:
+* sajax_do_call('doFoo', [1, 2, 3], document.getElementById("showFoo"));
+*
+* This will call the doFoo function via MediaWiki's AjaxDispatcher, with
+* (1, 2, 3) as the parameter list, and will show the result in the element
+* with id = showFoo
+*/
+function sajax_do_call(func_name, args, target) {
var i, x, n;
var uri;
var post_data;
- uri = wgServer + "/" + wgScriptPath + "/index.php?action=ajax";
+ uri = wgServer +
+ ((wgScript == null) ? (wgScriptPath + "/index.php") : wgScript) +
+ "?action=ajax";
if (sajax_request_type == "GET") {
if (uri.indexOf("?") == -1)
- uri = uri + "?rs=" + escape(func_name);
+ uri = uri + "?rs=" + encodeURIComponent(func_name);
else
- uri = uri + "&rs=" + escape(func_name);
- for (i = 0; i < args.length-1; i++)
- uri = uri + "&rsargs[]=" + escape(args[i]);
+ uri = uri + "&rs=" + encodeURIComponent(func_name);
+ for (i = 0; i < args.length; i++)
+ uri = uri + "&rsargs[]=" + encodeURIComponent(args[i]);
//uri = uri + "&rsrnd=" + new Date().getTime();
post_data = null;
} else {
- post_data = "rs=" + escape(func_name);
- for (i = 0; i < args.length-1; i++)
- post_data = post_data + "&rsargs[]=" + escape(args[i]);
+ post_data = "rs=" + encodeURIComponent(func_name);
+ for (i = 0; i < args.length; i++)
+ post_data = post_data + "&rsargs[]=" + encodeURIComponent(args[i]);
}
x = sajax_init_object();
- x.open(sajax_request_type, uri, true);
+ if (!x) {
+ alert("AJAX not supported");
+ return false;
+ }
+
+ try {
+ x.open(sajax_request_type, uri, true);
+ } catch (e) {
+ if (window.location.hostname == "localhost") {
+ alert("Your browser blocks XMLHttpRequest to 'localhost', try using a real hostname for development/testing.");
+ }
+ throw e;
+ }
if (sajax_request_type == "POST") {
x.setRequestHeader("Method", "POST " + uri + " HTTP/1.1");
x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
x.onreadystatechange = function() {
if (x.readyState != 4)
return;
- sajax_debug("received " + x.responseText);
- var status;
- var data;
- status = x.responseText.charAt(0);
- data = x.responseText.substring(2);
- if (status == "-")
- alert("Error: " + data);
- else
- args[args.length-1](data);
+
+ sajax_debug("received (" + x.status + " " + x.statusText + ") " + x.responseText);
+
+ //if (x.status != 200)
+ // alert("Error: " + x.status + " " + x.statusText + ": " + x.responseText);
+ //else
+
+ if ( typeof( target ) == 'function' ) {
+ target( x );
+ }
+ else if ( typeof( target ) == 'object' ) {
+ if ( target.tagName == 'INPUT' ) {
+ if (x.status == 200) target.value= x.responseText;
+ //else alert("Error: " + x.status + " " + x.statusText + " (" + x.responseText + ")");
+ }
+ else {
+ if (x.status == 200) target.innerHTML = x.responseText;
+ else target.innerHTML= "<div class='error'>Error: " + x.status + " " + x.statusText + " (" + x.responseText + ")</div>";
+ }
+ }
+ else {
+ alert("bad target for sajax_do_call: not a function or object: " + target);
+ }
+
+ return;
}
+
+ sajax_debug(func_name + " uri = " + uri + " / post = " + post_data);
x.send(post_data);
- sajax_debug(func_name + " uri = " + uri + "/post = " + post_data);
sajax_debug(func_name + " waiting..");
delete x;
+
+ return true;
}
+
+/**
+ * @return boolean whether the browser supports XMLHttpRequest
+ */
+function wfSupportsAjax() {
+ var request = sajax_init_object();
+ var supportsAjax = request ? true : false;
+ delete request;
+ return supportsAjax;
+}
+
dépôts / lhc / web / wiklou.git / blobdiff