Friendika widgets.

addon/widgets/widgets.js

@@ -0,0 +1,61 @@
+/**
+ * @author Fabio Comuni
+ */
+
+var f9a_widget = {
+	entrypoint : "$entrypoint",
+	key	: "$key",
+	widgetid: "$widget_id",
+	xmlhttp : null,
+	
+	getXHRObj : function(){
+		if (window.XMLHttpRequest) {
+			// code for IE7+, Firefox, Chrome, Opera, Safari
+		 	this.xmlhttp = new XMLHttpRequest();
+		} else {
+			// code for IE6, IE5
+			this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
+		}
+	},
+	
+	dorequest : function(args, cb) {
+		if (args===null) args = new Array();
+		args['k']=this.key;
+		args['s']=window.location;
+		var urlencodedargs = new Array();
+		for(k in args){ urlencodedargs.push( encodeURIComponent(k)+"="+encodeURIComponent(args[k]) ); }
+	
+		var url = this.entrypoint + "?"+ urlencodedargs.join("&");
+
+		this.xmlhttp.open("GET", url  ,true);
+		this.xmlhttp.send();
+		this.xmlhttp.onreadystatechange=function(){
+		  if (this.readyState==4){
+		  	if (this.status==200) {
+		    	cb(this.responseText);
+			} else {
+		  		document.getElementById(f9a_widget.widgetid).innerHTML="Error loading widget.";
+		  	}
+		  }
+		} 
+
+	},
+	
+	requestcb: function(responseText) {
+		document.getElementById(f9a_widget.widgetid).innerHTML=responseText;
+	},
+	
+	load : function (){
+		this.getXHRObj();
+		this.dorequest(null, this.requestcb);
+	}
+
+};
+
+(function() {
+	f9a_widget.load();	
+})();
+
+document.writeln("<div id='$widget_id' class='f9k_widget'>");
+document.writeln("<img id='$widget_id_ld' src='$loader'>");
+document.writeln("</div>");