New Twiddle

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName:'Ember Twiddle',
  
  actions: {
    handleAnswer(questionId, value) {
      alert('answer handled ' + questionId + ' ' + value);
    }
  }
});

application.template.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{question-answer actionAnswer=(action "handleAnswer")}}
<br>
<br>

input-radio.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  defaultLayout:     null,
	tagName:           'input',
	type:              'radio',
	attributeBindings: ['type', 'name', 'value', 'id', 'isChecked:checked', 'required', 'disabled'],

	value:             null,
	answer:            null,
	checked: 		   null,

	id: Ember.computed('name', 'value', function () {
		return this.get('name')+'-'+this.get('value');
	}),

	isChecked: Ember.computed('value', 'answer', function() {
		return this.get('value') === parseInt(this.get('answer'));
	}),

	change: function() {
		console.log('Component "input-radio": change');

		Ember.run.once(this, 'sendChangedAction');
	},

	sendChangedAction() {
		console.log('Component "input-radio": sendChange');
		console.log('updateAnswer: '+this.get('checked'));

		this.sendAction('changed', this.get('value'));
	}
});

question-answer.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  id:       '',
	question: null,
	answer:   null,
    tagName:  'ul',

    answers:  [
	     {value: 1, label: 'Volledig'},
	     {value: 2, label: 'Grotendeels'},
	     {value: 3, label: 'Enigzins'},
	     {value: 4, label: 'Niet'},
    ],
    results: [],

	click: function (ev) {
     console.log('Component "question-answer" action: answer', ev);
     console.log(this.get('value'));

     this.sendAction('actionAnswer', this.get('question.id'), this.get('value'));
	},

	inputName: Ember.computed('value', function() {
		return 'question-'+this.get('question.id');
	})
});

question-answer.template.hbs

{{#each answers as |data|}}
<li>
	{{input-radio value=data.value name=inputName answer=answer}}
	<label for="question-{{question.id}}-{{data.value}}">
	    <span class="image"></span>
	    <span>{{data.label}}</span>
	</label>
</li>
{{/each}}

twiddle.json

{
  "version": "0.5.0",
  "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/2.2.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.2.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
  }
}