lstarky/app.html

## app.html
<template>
  <nav class="navbar navbar-default navbar-fixed-top">
    <div class="container-fluid">
      <ul class="nav navbar-nav">
        <li><a href="#/home">Home</a></li>
        <li><a href="#/square">Square</a></li>
        <li><a href="#/circle">Circle</a></li>
      </ul>
    </div>
  </nav>
  <br><br><br><br><br><br><br>
  <div class="container">
    <h1>Hello, ${fname}</h1>
    <div class="well" if.bind="sidebarExtra">
      <compose view.bind="sidebarExtra"></compose>
    </div>
    <hr>
    <router-view></router-view>
  </div>
</template>

## app.js
import {inject} from 'aurelia-framework';
import {EventAggregator} from 'aurelia-event-aggregator';

@inject(EventAggregator)
export class App {
  sidebarExtra = '';
  constructor(eventAggregator) {
    this.ea = eventAggregator;
    this.fname = "Liam";
  }
  attached() {
    this.sub = this.ea.subscribe('my-router', response => {
      if (typeof response.fname !== 'undefined') {
        this.fname = response.fname;
      }
      if (typeof response.sidebarExtra !== 'undefined') {
        this.sidebarExtra = response.sidebarExtra;
      }
    });
  }
  detached() {
    this.sub.dispose();
  }
  configureRouter(config, router) {
    this.router = router;
    config.title = 'Menu';
    config.map([
      { route: ['', 'home'],  name: 'home',       moduleId: 'home' },
      { route: 'square',      name: 'square',     moduleId: 'square'},
      { route: 'circle',      name: 'circle',     moduleId: 'circle'}
    ]);
  }

}

## circle-sidebar.html
<template>
  <h4>Circle details...</h4>
  <ul>
    <li>Circle 1</li>
    <li>Circle 2</li>
    <li>Circle 3</li>
  </ul>
</template>

## circle.html
<template>
  <h4>Circle Router View</h4>
  <button class="btn btn-success" click.delegate="onClick()">Set text from Circle</button>
</template>

## circle.js
import {inject} from 'aurelia-framework';
import {EventAggregator} from 'aurelia-event-aggregator';

@inject(EventAggregator)
export class Circle {
  constructor(eventAggregator) {
    this.ea = eventAggregator;
  }
  activate() {
    this.ea.publish('my-router', {sidebarExtra: 'circle-sidebar.html'})
  }
  onClick() {
    this.ea.publish('my-router', {fname: 'Circle'})
  }
}

## home.html
<template>
  <h4>Home Router View!</h4>
  <button class="btn btn-info" click.delegate="onClick()">Set text from Home</button>
</template>

## home.js
import {inject} from 'aurelia-framework';
import {EventAggregator} from 'aurelia-event-aggregator';

@inject(EventAggregator)
export class Home {
  constructor(eventAggregator) {
    this.ea = eventAggregator;
  }
  activate() {
    this.ea.publish('my-router', {sidebarExtra: null})
  }
  onClick() {
    this.ea.publish('my-router', {fname: 'Home'})
  }
}

## index.html
<!doctype html>
<html>
  <head>
    <title>Aurelia</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
  </head>
  <body aurelia-app="main">
    <script src="https://jdanyow.github.io/rjs-bundle/node_modules/requirejs/require.js"></script>
    <script src="https://jdanyow.github.io/rjs-bundle/config.js"></script>
    <script src="https://jdanyow.github.io/rjs-bundle/bundles/aurelia.js"></script>
    <script src="https://jdanyow.github.io/rjs-bundle/bundles/babel.js"></script>
    <script>
      require(['aurelia-bootstrapper']);
    </script>
    <!--<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>-->
  </body>
</html>

## main.js
export function configure(aurelia) {
  aurelia.use
    .standardConfiguration()
    .developmentLogging();

  aurelia.start().then(() => aurelia.setRoot());
}

## square-sidebar.html
<template>
  <h4>Square details...</h4>
  <ol>
    <li>Square 1</li>
    <li>Square 2</li>
    <li>Square 3</li>
  </ol>
</template>

## square.html
<template>
  <h4>Square Router View</h4>
  <button class="btn btn-primary" click.delegate="onClick()">Set text from Square</button>
</template>

## square.js
import {inject} from 'aurelia-framework';
import {EventAggregator} from 'aurelia-event-aggregator';

@inject(EventAggregator)
export class Square {
  constructor(eventAggregator) {
    this.ea = eventAggregator;
  }
  activate() {
    this.ea.publish('my-router', {sidebarExtra: 'square-sidebar.html'})
  }
  onClick() {
    this.ea.publish('my-router', {fname: 'Square'})
  }
}
	<template>
	<nav class="navbar navbar-default navbar-fixed-top">
	<div class="container-fluid">
	<ul class="nav navbar-nav">
	<li><a href="#/home">Home</a></li>
	<li><a href="#/square">Square</a></li>
	<li><a href="#/circle">Circle</a></li>
	</ul>
	</div>
	</nav>
	<br><br><br><br><br><br><br>
	<div class="container">
	<h1>Hello, ${fname}</h1>
	<div class="well" if.bind="sidebarExtra">
	<compose view.bind="sidebarExtra"></compose>
	</div>
	<hr>
	<router-view></router-view>
	</div>
	</template>
	import {inject} from 'aurelia-framework';
	import {EventAggregator} from 'aurelia-event-aggregator';

	@inject(EventAggregator)
	export class App {
	sidebarExtra = '';
	constructor(eventAggregator) {
	this.ea = eventAggregator;
	this.fname = "Liam";
	}
	attached() {
	this.sub = this.ea.subscribe('my-router', response => {
	if (typeof response.fname !== 'undefined') {
	this.fname = response.fname;
	}
	if (typeof response.sidebarExtra !== 'undefined') {
	this.sidebarExtra = response.sidebarExtra;
	}
	});
	}
	detached() {
	this.sub.dispose();
	}
	configureRouter(config, router) {
	this.router = router;
	config.title = 'Menu';
	config.map([
	{ route: ['', 'home'], name: 'home', moduleId: 'home' },
	{ route: 'square', name: 'square', moduleId: 'square'},
	{ route: 'circle', name: 'circle', moduleId: 'circle'}
	]);
	}

	}
	<template>
	<h4>Circle Router View</h4>
	<button class="btn btn-success" click.delegate="onClick()">Set text from Circle</button>
	</template>
	<template>
	<h4>Home Router View!</h4>
	<button class="btn btn-info" click.delegate="onClick()">Set text from Home</button>
	</template>
	<!doctype html>
	<html>
	<head>
	<title>Aurelia</title>
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
	</head>
	<body aurelia-app="main">
	<script src="https://jdanyow.github.io/rjs-bundle/node_modules/requirejs/require.js"></script>
	<script src="https://jdanyow.github.io/rjs-bundle/config.js"></script>
	<script src="https://jdanyow.github.io/rjs-bundle/bundles/aurelia.js"></script>
	<script src="https://jdanyow.github.io/rjs-bundle/bundles/babel.js"></script>
	<script>
	require(['aurelia-bootstrapper']);
	</script>
	<!--<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>-->
	</body>
	</html>
	export function configure(aurelia) {
	aurelia.use
	.standardConfiguration()
	.developmentLogging();

	aurelia.start().then(() => aurelia.setRoot());
	}
	<template>
	<h4>Square Router View</h4>
	<button class="btn btn-primary" click.delegate="onClick()">Set text from Square</button>
	</template>