イベント管理(coffeeスクリプトのお勉強）

gistfile1.coffee

class EventManager
    constructor: ()->
        @list = {}

    set: (elmName, event, fnc) ->
        @list[elmName] = @list[elmName] || {}
        @list[elmName] =
            elO:document.getElementById elmName
            ev:event
            fn:fnc

    add: (elmName) ->
        info = @list[elmName]
        if info.elO.addEventListener
            info.elO.addEventListener info.ev, info.fn, false
        else if @list.elO.attachEvent
            info.elO.attachEvent "on#{info.ev}", info.fn

    remove: (elmName) ->
        info = @list[elmName]
        if info.elO.removeEventListener
            info.elO.removeEventListener info.ev, info.fnc, false
        else if evInfo.elO.detachEvent
            info.elO.detachEvent "on#{info.ev}", info.fnc

//呼び出し
ev = new EventManager
alertClick = () ->
    window.alert 'click!!'
ev.set 'hoge', 'click', alertClick
ev.add 'hoge'