Modulo manejador de eventos

event_listener.js

###
Manejador de eventos
@class event_listener
@main test/index
@author Luis Sardon
###

yOSON.AppCore.addModule "event_listener", (Sb) ->
	st = {
		listeners: []
	}

	fn = {
		on : (eventType, callback) ->
			unless callback["listener_id"]
				callback["listener_id"] = utils.uniqueId()

			listenerId = callback["listener_id"]

			match = false
			for listener in st.listeners
				if listener.eventType is eventType and listener.listenerId is listenerId
					match = true
					return false

			unless match
				st.listeners.push
					eventType: eventType
					listenerId: listenerId
					callback: callback
			return

		off : (eventType, callback) ->
			listenerId = callback["listener_id"]
			$(st.listeners).each (i) ->
				if @.eventType is eventType and @.listenerId is listenerId
					st.listeners[eventType].splice(i, 1)
				return
			return

		trigger : (eventType, data) ->
			unless data then data = {}

			for listener in st.listeners
				if listener.eventType is eventType
					listener.callback.call(@, $.extend({}, listener, data))
			return
	}

	initialize = () ->
		Sb.events(["event_listener:on"], fn.on, this)
		Sb.events(["event_listener:off"], fn.off, this)
		Sb.events(["event_listener:trigger"], fn.trigger, this)
		return

	return {
		init: initialize
	}