New Twiddle

components.comment-component.js

import Ember from 'ember';

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

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  actions: {
    update() {
      this.get('model').pushObject({
        name: 'Joe Bloe',
        text: this.get('text'),
        photo: 'https://static.pexels.com/photos/413444/pexels-photo-413444.jpeg'
      });
    }
  }
});

router.js

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

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

Router.map(function() {
});

export default Router;

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    return [
      {name: 'Erik Hanchett',
       text: 'This is a comment',
       photo: 'https://static.pexels.com/photos/413444/pexels-photo-413444.jpeg'
      },
      {name: 'Jane Doe',
       text: 'This is a comment 2',
       photo: 'https://static.pexels.com/photos/37533/studio-portrait-woman-face-37533.jpeg'
      }

    ]
  }
});

styles.app.css

body {
    width: 500px;
    margin: 20px auto;
    font: 16px/1.4 Arial, sans-serif;
    background: #f3eee9;
}

p {
    margin: 0 0 1em;
}

.comment {
    overflow: hidden;
    padding: 0 0 1em;
    border-bottom: 1px solid #ddd;
    margin: 0 0 1em;
    *zoom: 1;
}

.comment-img {
    float: left;
    margin-right: 33px;
    border-radius: 5px;
    overflow: hidden;
}

.comment-img img {
    display: block;
}

.comment-body {
    overflow: hidden;
}

.comment .text {
    padding: 10px;
    border: 1px solid #e5e5e5;
    border-radius: 5px;
    background: #fff;
}

.comment .text p:last-child {
    margin: 0;
}

.comment .attribution {
    margin: 0.5em 0 0;
    font-size: 14px;
    color: #666;
}

/* Decoration */

.comments,
.comment {
    position: relative;
}

.comments:before,
.comment:before,
.comment .text:before {
    content: "";
    position: absolute;
    top: 0;
    left: 65px;
}

.comments:before {
    width: 3px;
    top: -20px;
    bottom: -20px;
    background: rgba(0,0,0,0.1);
}

.comment:before {
    width: 9px;
    height: 9px;
    border: 3px solid #fff;
    border-radius: 100px;
    margin: 16px 0 0 -6px;
    box-shadow: 0 1px 1px rgba(0,0,0,0.2), inset 0 1px 1px rgba(0,0,0,0.1);
    background: #ccc;
}

.comment:hover:before {
    background: orange;
}

.comment .text:before {
    top: 18px;
    left: 78px;
    width: 9px;
    height: 9px;
    border-width: 0 0 1px 1px;
    border-style: solid;
    border-color: #e5e5e5;
    background: #fff;
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
}​

templates.application.hbs

<section class="comments">
{{#each model as |comment|}}
 {{comment-component name=comment.name
   photo=comment.photo text=comment.text}}
 {{/each}}
  </section>​
  {{input value=text enter="update" placeholder='Enter Comment'}}

templates.components.comment-component.hbs

<article class="comment">
  <a class="comment-img" href="#non">
    <img src="{{photo}}" alt="" width="50" height="50">
  </a>
  <div class="comment-body">
    <div class="text">
      <p>{{text}}</p>
    </div>
    <p class="attribution">by <a href="#non">{{name}}</a> at 14:23pm, 4th Dec 2010</p>
  </div>
</article>

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}