From 2af9f1e1206ab0e2402416f4479fd20b5044d528 Mon Sep 17 00:00:00 2001
From: Rouslan Placella <rouslan@placella.com>
Date: Wed, 18 Apr 2012 18:09:44 +0100
Subject: [PATCH] Use jQuery for ajax functionality in PMD

---
 js/pmd/ajax.js | 110 +++++++++++--------------------------------------
 1 file changed, 24 insertions(+), 86 deletions(-)

diff --git a/js/pmd/ajax.js b/js/pmd/ajax.js
index 28fab2e477fb..766c3dd060c5 100644
--- a/js/pmd/ajax.js
+++ b/js/pmd/ajax.js
@@ -4,111 +4,49 @@
  * @package PhpMyAdmin-Designer
  */
 
-/**
- *
- */
-var http_request = false;
-var xmldoc;
-var textdoc;
-
 /**
  *
  */
 function makeRequest(url, parameters)
 {
-    http_request = false;
-    if (window.XMLHttpRequest) {
-        // Mozilla, Safari,...
-        http_request = new XMLHttpRequest();
-        if (http_request.overrideMimeType) {
-            http_request.overrideMimeType('text/xml');
-        }
-    } else if (window.ActiveXObject) {
-        // IE
-        try { http_request = new ActiveXObject("Msxml2.XMLHTTP"); }
-        catch (e) {
-            try { http_request = new ActiveXObject("Microsoft.XMLHTTP"); }
-            catch (e) {}
-        }
-    }
-
-    if (!http_request) {
-        alert('Giving up :( Cannot create an XMLHTTP instance');
-        return false;
-    }
-
-    http_request.onreadystatechange = alertContents;
-    http_request.open('POST', url, true);
-    http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
-    http_request.setRequestHeader("Content-length", parameters.length);
-    http_request.setRequestHeader("Connection", "close");
-    http_request.send(parameters);
+    var $msg = PMA_ajaxShowMessage();
+    $.post(url, parameters, function (data) {
+        PMA_ajaxRemoveMessage($msg);
+        PrintXML(data);
+    });
     return true;
 }
 
 /**
  *
  */
-function alertContents()
-{
-    if (http_request.readyState == 1) {
-        PMA_ajaxShowMessage();
-    }
-    if (http_request.readyState == 2) {
-        PMA_ajaxShowMessage('Loaded');
-    }
-    if (http_request.readyState == 3) {
-        PMA_ajaxShowMessage('Loading 99%');
-    }
-    if (http_request.readyState == 4) {
-        if (http_request.status == 200) {
-            textdoc = http_request.responseText;
-            //alert(textdoc);
-            xmldoc    = http_request.responseXML;
-            PrintXML();
-        } else {
-            PMA_ajaxShowMessage('There was a problem with the request.');
-        }
-    }
-}
-
-/**
- *
- */
-function PrintXML()
+function PrintXML(data)
 {
-    var root = xmldoc.getElementsByTagName('root').item(0);    //root
-    //alert(xmldoc.getElementsByTagName('root').item(1));
-    if (root == null) {
-        // if error
+    var $root = $(data).find('root');
+    if ($root.length == 0) {
+        // error
         var myWin=window.open('','Report','width=400, height=250, resizable=1, scrollbars=1, status=1');
         var tmp = myWin.document;
-        tmp.write(textdoc);
+        tmp.write(data);
         tmp.close();
     } else {
-        //alert(xmldoc.getElementsByTagName('root')[0]);
-        //alert(root.attributes[0].nodeValue);
-        //alert(xmldoc.getElementsByTagName('root')[0].attributes[0].nodeValue);
-        //xmldoc.getElementsByTagName('root')[0].getAttribute("act")
-
-        if (root.getAttribute('act') == 'save_pos') {
-            PMA_ajaxShowMessage(root.getAttribute('return'));
-        }
-        if (root.getAttribute('act') == 'relation_upd') {
-            PMA_ajaxShowMessage(root.getAttribute('return'));
-            if (root.getAttribute('b') == '1') {
-                contr.splice(root.getAttribute('K'), 1);
+        // success
+        if ($root.attr('act') == 'save_pos') {
+            PMA_ajaxShowMessage($root.attr('return'));
+        } else if ($root.attr('act') == 'relation_upd') {
+            PMA_ajaxShowMessage($root.attr('return'));
+            if ($root.attr('b') == '1') {
+                contr.splice($root.attr('K'), 1);
                 Re_load();
             }
-        }
-        if (root.getAttribute('act') == 'relation_new') {
-            PMA_ajaxShowMessage(root.getAttribute('return'));
-            if (root.getAttribute('b') == '1') {
+        } else if ($root.attr('act') == 'relation_new') {
+            PMA_ajaxShowMessage($root.attr('return'));
+            if ($root.attr('b') == '1') {
                 var i  = contr.length;
-                var t1 = root.getAttribute('DB1') + '.' + root.getAttribute('T1');
-                var f1 = root.getAttribute('F1');
-                var t2 = root.getAttribute('DB2') + '.' + root.getAttribute('T2');
-                var f2 = root.getAttribute('F2');
+                var t1 = $root.attr('DB1') + '.' + $root.attr('T1');
+                var f1 = $root.attr('F1');
+                var t2 = $root.attr('DB2') + '.' + $root.attr('T2');
+                var f2 = $root.attr('F2');
                 contr[i] = [];
                 contr[i][''] = [];
                 contr[i][''][t2] = [];