ListView Coffee

listview.coffee

 class ListView extends Backbone.View
    el: $('#myList')

    events:
      'keypress #myInputForm': 'addWithReturn'

    initialize: ->
      @collection = window.Items
      @collection.bind('add', @appendItem)

    render: =>
      @

    addWithReturn: (e) =>
      val = $('#myInputForm').val()
      if e.keyCode is 13
        if val is ''
          window.myAlert("You have to input some text!")
        else
          $('#myInputForm').val('')
          @item = new Item({text: val})
          @collection.add(@item)

    appendItem: =>
      itemView = new ItemView({ model: @item })
      $(@el).show()
      $(@el).append(itemView.render().el)