<?php 
   defined('C5_EXECUTE') or die(_("Access Denied."));
   $aBlocks = $controller->generateNav();
   $c = Page::getCurrentPage();
   echo("<ul class=\"nav-header\">");
 
   $nh = Loader::helper('navigation');
 
   $isFirst = true;
   $i=0;
 
   foreach($aBlocks as $ni) {
      $_c = $ni->getCollectionObject();
      if ($_c->getCollectionAttributeValue('header_nav')) {
 
         if ($ni->isActive($c) || strpos($c->getCollectionPath(), $_c->getCollectionPath()) === 0) {
            $navSelected='nav-selected';
         } else {
            $navSelected = '';
         }
 
         $addClass = "";
 
         $thisLevel = $ni->getLevel();
 
         if ($thisLevel > $lastLevel) {
            echo("<ul>\n");
         } else if ($thisLevel < $lastLevel) {
            for ($j = $thisLevel; $j < $lastLevel; $j++) {
               echo("</a></li>\n</ul>\n</li>\n");
            }
         }         
 
         if ($thisLevel == $lastLevel && $i >0) {
            echo "</a></li>\n";
         }
 
         $pageLink = false;
 
         if ($_c->getCollectionAttributeValue('replace_link_with_first_in_nav')) {
            $subPage = $_c->getFirstChild();
            if ($subPage instanceof Page) {
               $pageLink = $nh->getLinkToCollection($subPage);
            }
         }
 
         if (!$pageLink) {
            $pageLink = $ni->getURL();
         }   
 
         $externalLink = $_c->getAttribute('external_link');
         if ($externalLink == true) {
            $pageLink = $externalLink;   
         }
 
         if ($c->getCollectionID() == $_c->getCollectionID()) { 
            $addClass = ' class="nav-selected" ';
 
         }
 
         echo '<li class="'.$navSelected.' '.$isFirstClass.'">';
 
         echo '<a '.$addClass.'href="'.$pageLink.'">' . $ni->getName();      
 
         $lastLevel = $thisLevel;
         $i++;
      }
   }
 
   $thisLevel = 0;
   for ($i = $thisLevel; $i <= $lastLevel; $i++) {
      echo("</a></li></ul>");
   }
   echo('<div class="ccm-spacer">&nbsp;</div>');
?>