New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  menuService: Ember.inject.service('menu'),
  menu: Ember.computed.alias('menuService.menu')
});

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('animals', { path: '/animals' }, function() {
  	this.route('one', { path: 'one' });
    this.route('two', { path: 'two' });
  });
});

export default Router;

routes.animals.js

import Ember from 'ember';

export default Ember.Route.extend({
  menuService: Ember.inject.service('menu'),
  actions:{
    didTransition(){
      let menuService = this.get('menuService');
      
      menuService.set('currentMenu', new Ember.A([
        {
          url: 'animals',
          title: 'Animals page'
        }
      ]));
    }
  }
});

routes.animals.one.js

import Ember from 'ember';

export default Ember.Route.extend({
});

services.menu.js

import Ember from 'ember';

export default Ember.Service.extend({
  baseMenu: new Ember.A([
    {
      url: "application",
      title: "Base App"
    }
  ]),
  currentMenu: new Ember.A([]),
  menu: Ember.computed('baseMenu', 'currentMenu', function(){
    return this.get('baseMenu').concat(this.get('currentMenu'));
  })
});

templates.animals.hbs

Animals

<ul>
 <li>{{#link-to 'animals.one'}}One{{/link-to}}</li>
 <li>{{#link-to 'animals.two'}}Two{{/link-to}}</li>
</ul>

{{outlet}}

templates.animals.one.hbs

ONE

templates.application.hbs

<div style="background-color:#eee">
Global menu:
  <ul>
    {{#each menu as |menu|}}
    <li>{{#link-to menu.url}}{{menu.title}}{{/link-to}}</li>
    {{/each}}
  </ul>
</div>
<br>
{{#link-to 'animals'}}Animals Page{{/link-to}}
<br>
{{outlet}}
<br>
<br>
<div>
Try going there from /: {{#link-to 'animals/one'}}One{{/link-to}}
</div>

twiddle.json

{
  "version": "0.10.5",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.8.0",
    "ember-data": "2.8.0",
    "ember-template-compiler": "2.8.0",
    "ember-testing": "2.8.0"
  },
  "addons": {}
}