class Observer
constructor: ->
@listeners = {}
on: (event, func) ->
if !@listeners[event]?
@listeners[event] = []
@listeners[event].push(func)
off: (event, func) ->
for listener, i in @listeners[event]
if listener == func
@listeners.splice(i, 1)
trigger: (event) ->
return if !@listeners[event]?
for listener in @listeners[event]
listener()
viewMethod = (elem) ->
console.log "-------method------"
for k, v of elem
if typeof v == "function"
console.log "#{k}"
console.log "--------------------"
observer = new Observer()
hello = -> console.log("hello world")
observer.on("hoge", hello)
observer.trigger("hoge")
viewMethod(observer)
