Simple Model example on coffeescript

gistfile1.txt

class ModelTZ
    constructor: (@attributes)->
        @calls = {}
        return @

    set: (property, value)->
        @attributes[property] = value
        @changed(property)

    get: (property)->
        return @attributes[property]

    changed: (name)->
        @trigger("change:#{name}")

    on: (name, func)->
        @calls[name] = func
    
    off: (name)->
        delete @calls[name]

    trigger: (name)->
        @calls[name].call(this)