page_index.vm

#macro (findRoot $page)
   #if ($page.parent) 
      #findRoot($page.parent)            
   #else
	  #set($root = $page)
   #end
#end

#findRoot($page)
#set($current = $page)

#macro (selected)
   #if ($page.title == $current.title) 
      class="selected-index"
   #end
#end

#macro (createTreeNode $item)
   <ul>
   #foreach($child in $item.children)
     <li>
       ($item.parent.title // $page.title)
         #if ($item.parent.title == $page.title)
   	        #set($down = false)   
         #end        
         <a href="$child.link">$child.title</a>
         #if ($down != false) 
            #createTreeNode($child)
         #end               
     </li>
   #end  
   </ul>
#end

#macro (createNode $page)
  <li #selected()>
      <a href="$page.link">$page.title</a>
      #if ($page.children) 
       <ul>            
         #foreach($child in $page.children)
          <li>
             <a href="$child.link">$child.title</a>
          </li>
         #end         
       </ul> 
      #end        
  </li>
#end

<section class="content-margin-top blog-index light-content">
  <a href="/"><h3>Docs</h3></a>
  #createTreeNode($root)
</section>