contextual-tabs

components.cx-tablist.js

import Ember from 'ember';

export default Ember.Component.extend({
  ariaRole: 'tablist',
  tabList:[],
  actions:{
    clickOnTab: function(tab){
    	this.sendAction('clickOnTab', tab);
      let tabList = this.get('tabList');
      for(var i=0;i<tabList.length;i++){
        this.$('#'+tabList[i].id).removeClass('active');
        if(tabList[i].id === tab.id){
         	this.$('#'+tabList[i].id).addClass('active');
        }
      }
    }
  }
});

components.cx-tabpanel.js

import Ember from 'ember';

export default Ember.Component.extend({
  classNames:['cx-tabpanel'],
	idOfpanel:'',
  ariaRole: 'tabpanel',
  didReceiveAttrs() {
    this.set('isVisible', false);
    if(this.get('idOfpanel')===this.get('activeTabAsPerTabToPanel')){
    	this.set('isVisible', true);
    }
  },
  click: function() {
  	this.sendAction('clickOnPanel', this.get('idOfpanel'));
  }
});

components.cx-tabs.js

import Ember from 'ember';

export default Ember.Component.extend({
  activeTabAsPerTabs:'inse',
  actions:{
  	changePanel: function(tab){
      let tabList = this.get('tabList');
      for(var i=0;i<tabList.length;i++){
        if(tabList[i].id === tab.id){
          this.set("activeTabAsPerTabs",tab.id);
        }
      }
    },
    
    clickOnPanel: function(idOfpanel) {
      /** click in any panel is reported here with the idOfpanel**/
  	}
  }
});

controllers.application.js

import Ember from 'ember';

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

controllers.index.js

import Ember from 'ember';

export default Ember.Controller.extend({
  listOfTabs: [{
  "name":"Animals",
  "id":"anim"
  },{
  "name":"Birds",
  "id":"bird"
  },{
  "name":"Fish",
  "id":"fish"
  },{
  "name":"Insects",
  "id":"inse"
  }]
});

routes.index.js

import Ember from 'ember';

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

styles.app.css

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

ul {
    list-style-type: none;
    padding:0 5px 5px 5px;
    padding: 0;
}

li {
    display: inline;
    padding:0 5px 5px 5px;
    border-bottom: 3px solid gray;
  transition: 0.5s ease;
  cursor: pointer;
}

.cx-tabpanel {
  padding:0 8px 8px 8px;
}

li.active {
  border-bottom: 3px solid #F08080;
  background-color:#77EDF4;
  transition: 0.5s ease;
  color:#5D6D7E;
}

templates.application.hbs

<br>
<br>
{{outlet}}
<br>
<br>

templates.components.cx-tablist.hbs

<ul>
{{#each tabList as |tab|}}
	<li role="tab" {{action "clickOnTab" tab}} id={{tab.id}}>{{tab.name}}{{tab.active}}</li>
{{/each}}
</ul>

templates.components.cx-tabpanel.hbs

{{yield}}

templates.components.cx-tabs.hbs

{{cx-tablist tabList=tabList clickOnTab="changePanel"}}
{{yield 
		(hash 
    		panelBody=(component nameOtherComponent tabList=tabList activeTabAsPerTabToPanel=activeTabAsPerTabs clickOnPanel=(action "clickOnPanel"))
    )
}}

templates.index.hbs

{{#cx-tabs tabList=listOfTabs nameOtherComponent="cx-tabpanel" as |tabs|}}
  {{#tabs.panelBody idOfpanel="anim" }}
  	This is a tab Animals
  {{/tabs.panelBody}}
  {{#tabs.panelBody idOfpanel="bird" }}
  	This is a tab Birdies
  {{/tabs.panelBody}}
  {{#tabs.panelBody idOfpanel="fish" }}
  	This is a tab Fishies
  {{/tabs.panelBody}}
  {{#tabs.panelBody idOfpanel="inse" }}
  	This is a tab Insecticidies
  {{/tabs.panelBody}}
{{/cx-tabs}}

twiddle.json

{
  "version": "0.13.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}