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.href;
  26                 args['a']=this.argstr;
  27                 var urlencodedargs = new Array();
  28                 for(k in args){
  29                         if (typeof args[k] != 'function')
  30                                 urlencodedargs.push( encodeURIComponent(k)+"="+encodeURIComponent(args[k]) );
  31                  }
  32                 var url = this.entrypoint + "?"+ urlencodedargs.join("&");
  33
  34                 this.xmlhttp.open("GET", url  ,true);
  35                 this.xmlhttp.send();
  36                 this.xmlhttp.obj = this;
  37                 this.xmlhttp.onreadystatechange=function(){
  38                   if (this.readyState==4){
  39                         if (this.status==200) {
  40                         cb(this.obj, this.responseText);
  41                         } else {
  42                                 document.getElementById(this.obj.widgetid).innerHTML="Error loading widget.";
  43                         }
  44                   }
  45                 }
  46
  47         },
  48
  49         requestcb: function(obj, responseText) {
  50                 document.getElementById(obj.widgetid).innerHTML=responseText;
  51         },
  52
  53         load : function (){
  54                 this.getXHRObj();
  55                 this.dorequest(null, this.requestcb);
  56         }
  57
  58 };
  59
  60 (function() {
  61         f9a_widget_$widget_id.load();
  62 })();
  63
  64 document.writeln("<div id='$widget_id' class='f9k_widget'>");
  65 document.writeln("<img id='$widget_id_ld' src='$loader'>");
  66 document.writeln("</div>");