Simplify Group and also pass the array with arguments where the event…

…s were called with

Source/Utilities/Group.js

@@ -27,34 +27,28 @@ this.Group = new Class({
 
 	initialize: function(){
 		this.instances = Array.flatten(arguments);
-		this.events = {};
-		this.checker = {};
 	},
 
 	addEvent: function(type, fn){
-		this.checker[type] = this.checker[type] || {};
-		this.events[type] = this.events[type] || [];
-		if (this.events[type].contains(fn)) return false;
-		else this.events[type].push(fn);
-		this.instances.each(function(instance, i){
-			instance.addEvent(type, this.check.pass([type, instance, i], this));
-		}, this);
-		return this;
-	},
-
-	check: function(type, instance, i){
-		this.checker[type][i] = true;
-		var every = this.instances.every(function(current, j){
-			return this.checker[type][j] || false;
-		}, this);
-		if (!every) return;
-		this.checker[type] = {};
-		this.events[type].each(function(event){
-			event.call(this, this.instances, instance);
-		}, this);
+		var instances = this.instances,
+			len = instances.length,
+			togo = len,
+			args = new Array(len),
+			self = this;
+
+		instances.each(function(instance, i){
+			instance.addEvent(type, function(){
+				if (!args[i]) togo--;
+				args[i] = arguments;
+				if (!togo){
+					fn.call(self, instances, instance, args);
+					togo = len;
+					args = new Array(len);
+				}
+			});
+		});
 	}
 
 });
 
 })();
-