title: Listing contents of subfolders in a Plone folder view
body: <p>On a Plone site with the structure</p>
  
  <pre><code>root
     +-topic1
     |    +-page1
     |    +-page2
     |
     +-topic2
          +-page3
          +-page4
  </code></pre>
  
  <p>I want to have a view for folder <code>root</code> that lists the contents of the subfolders, like:</p>
  
  <pre><code>[http://host/plone/root/]
  
  TOPIC1
  
  - page1
  - page2
  
  TOPIC2
  
  - page3
  - page4
  </code></pre>
  
  <p>with "TOPIC1" and "TOPIC2" as headings and "page1" etc. linking to the actual pages.</p>
  
  <p>Simply using a collection aggregating the pages in the topic1 and topic2 folders is not enough since it doesn't generate the subheadings.</p>
  
  <p>I have searched the Plone products repository as well as the web for an extension providing a view like this, with no success. There are sources saying this can be done with custom Display Views, but since I am new to Plone, I hesitate to dig into hacking these.</p>
  
  <p>Is there a Plone product/extension that can provide such a view on subfolder contents?<br>
  Or is there even a built-in solution that I am not aware of?</p>