sidenav

controllers.application.js

import Ember from 'ember';
import SideNavMixin from '../mixins/side-nav';

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

mixins.side-nav.js

import Ember from 'ember';

const { Mixin } = Ember;

export default Mixin.create({
  rightSidebarOpen: false,
  rightSidebarHeight: 300,
  buttonMenuId: 'button1',
  rightSidebarId: 'mySidenav',
   _autoClose(e){
    const element = e.target;
    const menuId = this.get('rightSidebarId');
    if(element.id === this.get('buttonMenuId')){
      if(!this.get('rightSidebarOpen')){
        this._toggleMenu('open');
      } else {
        this._toggleMenu('close');
      }
    } else {
      if(this.get('rightSidebarOpen')){
        this._toggleMenu('close');
      }
    }
  },
  _toggleMenu(action){
    const menuId = this.get('rightSidebarId');
    if(document.getElementById(menuId)){
      if(action === 'open'){
        document.getElementById(menuId).style.maxHeight ='300px';
        document.getElementById(menuId).style.transition ='0.5s';
      } else {
        document.getElementById(menuId).style.maxHeight = "0";
        document.getElementById(menuId).style.transition ='0.1s';
      }
      this.toggleProperty('rightSidebarOpen');
    }
  },
  init(){
    this._super(...arguments);
    document.addEventListener('click', this._autoClose.bind(this));
  },
  willDestroyElement(){
    this._super(...arguments);
    Ember.Logger.log('event removed');
    document.removeEventListener('click', this._autoClose.bind(this));
  }
});

styles.app.css

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

.sidenav {
  max-height: 0;
  width: 200px;
  position: absolute;
  z-index: 1;
  //top: 140px;
  right: 0;
  background-color: $white;
  overflow: hidden;
  transition: 0.5s;
  box-shadow: 0 0 4px  $mobile-shadow;
  & ul {
    list-style-type: none;
    margin:0;
    padding:0;
    & li {
      cursor:pointer;
      text-align: center;
      padding:10px;
      border-bottom: 1px solid $mobile-shadow;
      white-space: nowrap;
    }
  }
}

templates.application.hbs

<b>rightSidebarOpen</b>:{{rightSidebarOpen}}<br>
<b>rightSidebarId</b>:{{rightSidebarId}}<br>
<br>
<button id={{buttonMenuId}}>...</button>

<div id={{rightSidebarId}} class="sidenav">
  <ul>
    <li>option1</li>
    <li>option2</li>
    <li>option3</li>
  </ul>
</div>

twiddle.json

{
  "version": "0.8.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.5.1",
    "ember-data": "2.5.2",
    "ember-template-compiler": "2.5.1"
  }
}