Keep track of views

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
    homeClick() {
    	this.sendAction('linkClick', 'index');
    },
    
  	firstButtonClick(routeName) {
    	this.sendAction('linkClick', routeName);
    },
    
    secondButtonClick(routeName) {
    	this.sendAction('linkClick', routeName);
    }
    
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  currentPathName: undefined,
  isSecondRoute: Ember.computed('currentPath', function() {
    debugger;
  	if (this.get('currentPath') === 'second-route') {
    	return true;
    }
  }),
  
  actions: {
  	linkClick(routeName) {
    	this.transitionToRoute(routeName);
    }
    
      
  }
});

router.js

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

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

Router.map(function() {
  this.route('first-route');
  this.route('second-route');
});

export default Router;

routes.first-route.js

import Ember from 'ember';

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

routes.second-route.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;
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{my-component
	isSecondRoute=isSecondRoute
  linkClick='linkClick'
}}

{{outlet}}
<br>
<br>

templates.components.my-component.hbs

<button {{action 'homeClick' 'first-route'}}>Home</button>
<button {{action 'firstButtonClick' 'first-route'}}>first</button>
<button {{action 'secondButtonClick' 'second-route'}}>second</button>

{{#if isSecondRoute}}
<button>Excel Export</button>
{{/if}}

templates.first-route.hbs

<h4>first route template</h4>

templates.index.hbs

<h3>Home page</h3>

templates.second-route.hbs

<h4>second route template</h4>

<h5>(with excel export button!)</h5>

twiddle.json

{
  "version": "0.10.6",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.9.0",
    "ember-data": "2.9.0",
    "ember-template-compiler": "2.9.0",
    "ember-testing": "2.9.0"
  },
  "addons": {}
}