{% load path_filters %}
<div>
  <h3>Listing for {{ collection }}</h3>
  <ul>
    {% for item in folders %}
      <li><a href="{% url 'storage_browser_folder' collection=collection.pk folder=item %}">{{ item|basename }}</a></li>
    {% endfor %}
    {% for item in files %}
      <li>{{ item|basename }}</li>
    {% endfor %}
  </ul>
</div>