trigger_callback = (control_name,event)->
    $.ajax
        data:
           control_name: control_name
           event:        event
        cache: no
    .done (new_states)->
         states = new_states
         for name,state of states
             controls[name].update(state)
         return

class WSF_CONTROL
   constructor: (@control_name, @$el)->
      @attach_events()
      return
   
   attach_events: ()->
      return

   update: (state)->
      return

controls = {}

class WSF_BUTTON_CONTROL extends WSF_CONTROL
    attach_events: ()->
       self = @
       @$el.click ()->
                 self.click()
    click: ()->
        trigger_callback(@control_name, 'click')

    update: (state) ->
       @$el.text(state.text)

typemap =
    "WSF_BUTTON_CONTROL":WSF_BUTTON_CONTROL

for name,state of states
   $el = $('[data-name='+name+']')
   type = $el.data('type')
   #bind widget
   controls[name]=new typemap[type](name,$el)