widgets/widgets.js

   1 /**
   2  * @author Fabio Comuni
   3  */
   4
   5 var f9a_widget_$widget_id = {
   6         entrypoint : "$entrypoint",
   7         key     : "$key",
   8         widgetid: "$widget_id",
   9         argstr: "$args",
  10         xmlhttp : null,
  11
  12         getXHRObj : function(){
  13                 if (window.XMLHttpRequest) {
  14                         // code for IE7+, Firefox, Chrome, Opera, Safari
  15                         this.xmlhttp = new XMLHttpRequest();
  16                 } else {
  17                         // code for IE6, IE5
  18                         this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  19                 }
  20         },
  21
  22         dorequest : function(args, cb) {
  23                 if (args===null) args = new Array();
  24                 args['k']=this.key;
  25                 args['s']=window.location;
  26                 args['a']=this.argstr;
  27                 var urlencodedargs = new Array();
  28                 for(k in args){ urlencodedargs.push( encodeURIComponent(k)+"="+encodeURIComponent(args[k]) ); }
  29
  30                 var url = this.entrypoint + "?"+ urlencodedargs.join("&");
  31
  32                 this.xmlhttp.open("GET", url  ,true);
  33                 this.xmlhttp.send();
  34                 this.xmlhttp.obj = this;
  35                 this.xmlhttp.onreadystatechange=function(){
  36                   if (this.readyState==4){
  37                         if (this.status==200) {
  38                         cb(this.obj, this.responseText);
  39                         } else {
  40                                 document.getElementById(this.obj.widgetid).innerHTML="Error loading widget.";
  41                         }
  42                   }
  43                 }
  44
  45         },
  46
  47         requestcb: function(obj, responseText) {
  48                 document.getElementById(obj.widgetid).innerHTML=responseText;
  49         },
  50
  51         load : function (){
  52                 this.getXHRObj();
  53                 this.dorequest(null, this.requestcb);
  54         }
  55
  56 };
  57
  58 (function() {
  59         f9a_widget_$widget_id.load();
  60 })();
  61
  62 document.writeln("<div id='$widget_id' class='f9k_widget'>");
  63 document.writeln("<img id='$widget_id_ld' src='$loader'>");
  64 document.writeln("</div>");