Example blog application route handlers and the mixin they use

example-blog-route-handlers.coffee

# see mixins/posts_formable below
App.PostsNewRoute = Ember.Route.extend App.PostsFormable,
  # set up a new blank instance of Post for the form's content
  model: ->
    App.Post.createRecord()

# perhaps alternatively, this could use 'needs post' in controller
# for setting the model instance
App.PostEditRoute = Ember.Route.extend App.PostsFormable,
  model: ->
    @modelFor 'post'
    
# form mixin used by both new and edit
# mixin, so new and edit can use same template/view
App.PostsFormable = Ember.Mixin.create
  renderTemplate: ->
    @render 'posts/form', ->
      outlet: 'modal'
  events:
    cancel: (post) ->
      post.transaction.rollback()
      @transitionTo 'posts'
    submit: (post) ->
      # TODO: add validation handling
      post.get('store').commit()
      if post.didCreate
        @transitionTo 'posts'