New Twiddle

application.controller.js

import Ember from 'ember';

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

application.template.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{#link-to 'my-route'}}My route{{/link-to}}

{{outlet}}
<br>
<br>

my-route.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  prop: 2
});

my-route.route.js

import Ember from 'ember';

Ember.Route.reopen({
  getControllerAttr: function(controllerName, propertyName) {
    console.log(controllerName, propertyName);
    return this.controllerFor(controllerName).get(propertyName); 
  },
  
  getControllerAttr2: function(propertyName) {
  	return this.controllerFor(this.get('routeName')).get(propertyName);  
  }
});


export default Ember.Route.extend({
  
  actions: {
  	click: function() {
      console.log(this.getControllerAttr('my-route', 'prop'));
      console.log(this.getControllerAttr2('prop'));
    }
  }
});

my-route.template.hbs

<button {{action 'click'}}>Click</button>

router.js

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

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

Router.map(function() {
  this.route('my-route');
});

export default Router;

twiddle.json

{
  "version": "0.6.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.3.1/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.3.3/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
  }
}