Global Event Bus

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

controllers.bar.js

import Ember from 'ember';

export default Ember.Controller.extend({
  globalMessage: Ember.inject.service(),
  
  actions: {
    changeBaz() {
      this.get('globalMessage').setBaz('haha')
    }
  }
});

controllers.foo.js

import Ember from 'ember';

export default Ember.Controller.extend({
  globalMessage: Ember.inject.service(),
  
  whenBazChanged: Ember.on('init', function() {
    this.get('globalMessage').on('change:baz', function() {
      // in here, this => globalMessage Service
      alert(this.get('baz'))
    })
  })
});

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('foo')
  this.route('bar')
});

export default Router;

services.global-message.js

import Ember from 'ember';

export default Ember.Service.extend(Ember.Evented, {
  baz: '',
  
  getBaz() {
    this.get('baz')
  },
  
  setBaz(value) {
    this.set('baz', value)
    this.trigger('change:baz')
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>

{{outlet}}

templates.bar.hbs

{{link-to "Back to index" "index"}}

<button type="button" onclick={{action "changeBaz"}}>Change Baz</button>

templates.foo.hbs

{{link-to "Back to index" "index"}}

{{globalMessage.baz}}

templates.index.hbs

先激活 {{link-to "Foo" "foo"}}
再激活 {{link-to "Bar" "bar"}}

twiddle.json

{
  "version": "0.10.6",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.1.2",
    "ember-template-compiler": "2.1.2",
    "ember-testing": "2.1.2"
  },
  "addons": {}
}