Managing Focus

components.mini-form.js

import Ember from 'ember';

export default Ember.Component.extend({
  
  classNames: ['mini-form'],
  
  classNameBindings: ['active'],
  
  active: false,
  
  focusIn() {
    this.set('active', true);
  },
  
  focusOut() {
    this.set('active', false);
  }
  
});

controllers.application.js

import Ember from 'ember';

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

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

.mini-form {
  padding: 8px;
  border-radius: 4px;
}

.mini-form.active {
  box-shadow:
    0 0 4px rgba(0, 0, 0, .2),
    0 2px 4px rgba(0, 0, 0, .2);
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{#mini-form}}
  <p>{{input}}</p>
	<p>{{input}}</p>
	<p>{{input}}</p>
{{/mini-form}}
<br>
<br>

templates.components.mini-form.hbs

{{yield}}

twiddle.json

{
  "version": "0.10.4",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.7.0",
    "ember-data": "2.7.0",
    "ember-template-compiler": "2.7.0"
  },
  "addons": {}
}