   ).on('didInsertElement')
 
   _change: (->
-    # todo: get rid of this proxy fn
-    @_changeMultiple()
-  ).on('change')
-
-  _changeMultiple: ->
     options = this.$('input[type=checkbox]:checked')
     content = @get('content')
     selection = @get('selection')

        Ember.EnumerableUtils.replace selection, 0, Ember.get(selection, 'length'), newSelection
      else
        @set('selection', newSelection)

        # todo: what is @index for?? and does this function need bound?
        adjusted = if @index > -1 then @index else -1  # todo: better name (this is for if prompt offset)
        @selected = Ember.EnumerableUtils.indexOf(selectedIndexes, adjusted) > -1
  ).observes 'selection.@each'

  _triggerChange: (->
    selection = @get('selection')
