skins/common/ajax.js

   1 // remote scripting library
   2 // (c) copyright 2005 modernmethod, inc
   3 var sajax_debug_mode = false;
   4 var sajax_request_type = "GET";
   5
   6 function sajax_debug(text) {
   7         if (sajax_debug_mode)
   8                 alert("RSD: " + text)
   9 }
  10
  11 function sajax_init_object() {
  12         sajax_debug("sajax_init_object() called..")
  13         var A;
  14         try {
  15                 A=new ActiveXObject("Msxml2.XMLHTTP");
  16         } catch (e) {
  17                 try {
  18                         A=new ActiveXObject("Microsoft.XMLHTTP");
  19                 } catch (oc) {
  20                         A=null;
  21                 }
  22         }
  23         if(!A && typeof XMLHttpRequest != "undefined")
  24                 A = new XMLHttpRequest();
  25         if (!A)
  26                 sajax_debug("Could not create connection object.");
  27         return A;
  28 }
  29
  30
  31 function sajax_do_call(func_name, args) {
  32         var i, x, n;
  33         var uri;
  34         var post_data;
  35         uri = wgServer + "/" + wgScriptPath + "/index.php?action=ajax";
  36         if (sajax_request_type == "GET") {
  37                 if (uri.indexOf("?") == -1)
  38                         uri = uri + "?rs=" + escape(func_name);
  39                 else
  40                         uri = uri + "&rs=" + escape(func_name);
  41                 for (i = 0; i < args.length-1; i++)
  42                         uri = uri + "&rsargs[]=" + escape(args[i]);
  43                 //uri = uri + "&rsrnd=" + new Date().getTime();
  44                 post_data = null;
  45         } else {
  46                 post_data = "rs=" + escape(func_name);
  47                 for (i = 0; i < args.length-1; i++)
  48                         post_data = post_data + "&rsargs[]=" + escape(args[i]);
  49         }
  50         x = sajax_init_object();
  51         x.open(sajax_request_type, uri, true);
  52         if (sajax_request_type == "POST") {
  53                 x.setRequestHeader("Method", "POST " + uri + " HTTP/1.1");
  54                 x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
  55         }
  56         x.setRequestHeader("Pragma", "cache=yes");
  57         x.setRequestHeader("Cache-Control", "no-transform");
  58         x.onreadystatechange = function() {
  59                 if (x.readyState != 4)
  60                         return;
  61                 sajax_debug("received " + x.responseText);
  62                 var status;
  63                 var data;
  64                 status = x.responseText.charAt(0);
  65                 data = x.responseText.substring(2);
  66                 if (status == "-")
  67                         alert("Error: " + data);
  68                 else
  69                         args[args.length-1](data);
  70         }
  71         x.send(post_data);
  72         sajax_debug(func_name + " uri = " + uri + "/post = " + post_data);
  73         sajax_debug(func_name + " waiting..");
  74         delete x;
  75 }