class App.Models.Tracker extends Backbone.Model
  urlRoot : '/api/trackers'

  initialize: ->
    @on('change', @update, this)


  update: ->
    console.log('changed in model')
    @trigger('update', this);

class App.Views.Tracker extends Backbone.View
  template: JST['trackers/tracker']

  initialize: () ->
    @model.on("update", @animate, this);

  render: ->
    $(@el).html(@template(tracker: @model))
    this

  animate: ->
    console.log('changed in view')
    progress = @model.get('progress')
    console.log(progress)

trackers = new App.Collections.Trackers
 trackers.fetch()
 tracker = trackers.get(333)
 tracker.set({progress : 70})

trackers = new App.Collections.Trackers
trackers.fetch({
  success: function(){
    tracker = trackers.get(333);
    tracker.set({progress : 70});
  }
});