The following code creates a Tree layout for media objects.
<!DOCTYPE HTML>
<html>
<head>
<link href="http://java2s.com/style/bootstrap.min.css" rel="stylesheet">
<!--from w ww . j a v a 2s. c om-->
<script src="http://java2s.com/style/jquery-1.8.0.min.js"></script>
<script src="http://java2s.com/style/bootstrap.min.js"></script>
</head>
<body style='margin: 20px;'>
<div class="media">
<a class="pull-left" href="#"> <img class="media-object"
data-src="holder.js/64x64" alt="64x64"
style="width: 64px; height: 64px;" src="">
</a>
<div class="media-body">
<h4 class="media-heading">Media heading</h4>
Cras sit amet nibh libero, in gravida nulla. Nulla vel metus
scelerisque ante sollicitudin commodo. Cras purus odio, vestibulum in
vulputate at, tempus viverra turpis. Fusce condimentum nunc ac nisi
vulputate fringilla. Donec lacinia congue felis in faucibus.
<div class="media">
<a class="pull-left" href="#"> <img class="media-object"
data-src="holder.js/64x64" alt="64x64"
style="width: 64px; height: 64px;" src="">
</a>
<div class="media-body">
<h4 class="media-heading">Media heading</h4>
Cras sit amet nibh libero, in gravida nulla. Nulla vel metus
scelerisque ante sollicitudin commodo. Cras purus odio, vestibulum
in vulputate at, tempus viverra turpis. Fusce condimentum nunc ac
nisi vulputate fringilla. Donec lacinia congue felis in faucibus.
</div>
</div>
</div>
</div>
</body>
</html>