pmd/scripts/ajax.js

   1 /* vim: set expandtab sw=4 ts=4 sts=4: */
   2 /**
   3  *
   4  * @version $Id$
   5  * @package phpMyAdmin-Designer
   6  */
   7
   8 /**
   9  *
  10  */
  11 var http_request = false;
  12 var xmldoc;
  13 var textdoc;
  14
  15 /**
  16  *
  17  */
  18 function makeRequest(url, parameters)
  19 {
  20     http_request = false;
  21     if (window.XMLHttpRequest) {
  22         // Mozilla, Safari,...
  23         http_request = new XMLHttpRequest();
  24         if (http_request.overrideMimeType) {
  25             http_request.overrideMimeType('text/xml');
  26         }
  27     } else if (window.ActiveXObject) {
  28         // IE
  29         try { http_request = new ActiveXObject("Msxml2.XMLHTTP"); }
  30         catch (e) {
  31             try { http_request = new ActiveXObject("Microsoft.XMLHTTP"); }
  32             catch (e) {}
  33         }
  34     }
  35
  36     if (!http_request) {
  37         alert('Giving up :( Cannot create an XMLHTTP instance');
  38         return false;
  39     }
  40
  41     http_request.onreadystatechange = alertContents;
  42     http_request.open('POST', url, true);
  43     http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  44     http_request.setRequestHeader("Content-length", parameters.length);
  45     http_request.setRequestHeader("Connection", "close");
  46     http_request.send(parameters);
  47     return true;
  48 }
  49
  50 /**
  51  *
  52  */
  53 function alertContents()
  54 {
  55     if (http_request.readyState == 1) {
  56         document.getElementById("layer_action").style.left = (document.body.clientWidth + document.body.scrollLeft - 85) + 'px';
  57         document.getElementById("layer_action").style.top = (document.body.scrollTop + 10) + 'px';
  58         document.getElementById("layer_action").style.visibility = 'visible'; document.getElementById("layer_action").innerHTML = 'Loading...';
  59     }
  60     if (http_request.readyState == 2) {
  61         document.getElementById("layer_action").innerHTML = 'Loaded';
  62     }
  63     if (http_request.readyState == 3) {
  64         document.getElementById("layer_action").innerHTML = 'Loading 99%';
  65     }
  66     if (http_request.readyState == 4) {
  67         if (http_request.status == 200) {
  68             textdoc = http_request.responseText;
  69             //alert(textdoc);
  70             xmldoc    = http_request.responseXML;
  71             PrintXML();
  72             //document.getElementById("layer_action").style.visibility = 'hidden';
  73         } else {
  74             alert('There was a problem with the request.');
  75         }
  76     }
  77 }
  78
  79 function layer_alert(text)
  80 {
  81     document.getElementById("layer_action").innerHTML = text;
  82     document.getElementById("layer_action").style.left = (document.body.clientWidth + document.body.scrollLeft - 20 - document.getElementById("layer_action").offsetWidth) + 'px';
  83     document.getElementById("layer_action").style.visibility = 'visible';
  84     setTimeout(function(){document.getElementById("layer_action").style.visibility = 'hidden';}, 2000);
  85 }
  86
  87 /**
  88  *
  89  */
  90 function PrintXML()
  91 {
  92     var root = xmldoc.getElementsByTagName('root').item(0);    //root
  93     //alert(xmldoc.getElementsByTagName('root').item(1));
  94     if (root == null) {
  95         // if error
  96         myWin=window.open('','Report','width=400, height=250, resizable=1, scrollbars=1, status=1');
  97         var tmp = myWin.document;
  98         tmp.write(textdoc);
  99         tmp.close();
 100     } else {
 101         //alert(xmldoc.getElementsByTagName('root')[0]);
 102         //alert(root.attributes[0].nodeValue);
 103         //alert(xmldoc.getElementsByTagName('root')[0].attributes[0].nodeValue);
 104         //xmldoc.getElementsByTagName('root')[0].getAttribute("act")
 105
 106         if (root.getAttribute('act') == 'save_pos') {
 107             layer_alert(PMA_messages[root.getAttribute('return')]);
 108         }
 109         if (root.getAttribute('act') == 'relation_upd') {
 110             layer_alert(PMA_messages[root.getAttribute('return')]);
 111             if (root.getAttribute('b') == '1') {
 112                 contr.splice(root.getAttribute('K'), 1);
 113                 Re_load();
 114             }
 115         }
 116         if (root.getAttribute('act') == 'relation_new') {
 117             layer_alert(PMA_messages[root.getAttribute('return')]);
 118             if (root.getAttribute('b') == '1') {
 119                 var i    = contr.length;
 120                 var t1 = root.getAttribute('DB1') + '.' + root.getAttribute('T1');
 121                 var f1 = root.getAttribute('F1');
 122                 var t2 = root.getAttribute('DB2') + '.' + root.getAttribute('T2');
 123                 var f2 = root.getAttribute('F2');
 124                 contr[i] = new Array();
 125                 contr[i][''] = new Array();
 126                 contr[i][''][t2] = new Array();
 127                 contr[i][''][t2][f2] = new Array();
 128                 contr[i][''][t2][f2][0] = t1;
 129                 contr[i][''][t2][f2][1] = f1;
 130                 Re_load();
 131             }
 132         }
 133     }
 134 }