mootools namespaced events

gistfile1.js

[Element, Window, Document].invoke('implement', {
	// Call as element.addNsEvent('event.namespace', function() {});
	addNsEvent: function(name, fn) {
		// Get event type and namespace
		var split = name.split('.'),
			eventName = split[0],
			namespace = split[1];

		// Store the event by its full name including namespace
		this.bindCache = this.bindCache || {};

		if(this.bindCache[name]) {
			this.bindCache[name].push(fn);
		} else {
			this.bindCache[name] = [fn];
		}

		// Bind the function to the event
		this.addEvent(eventName, fn);

		return this;
	},

	// Call as element.removeNsEvent('event.namespace');
	removeNsEvent: function(name) {
		// Unbind the specified event
		var eventName = name.split('.')[0],
			fns = this.bindCache[name],
			x = 0,
			fn;

			for(; fn = fns[x++]; ) {
				this.removeEvent(eventName, fn);
			}

		return this;
	},

	// Call as element.removeNsEvents('namespace');
	removeNsEvents: function(namespace){
		var fns,
			x,
			fn,
			self = this;

		Object.each(this.bindCache, function(fns,name){
			if(name.contains('.') && name.split('.').getLast() == namespace) {
				x = 0;
				for(; fn = fns[x++]; ) {
					self.removeEvent(name.split('.')[0], fn);
				}
			}
		});

		return this;
	}
});