<?php 
   defined('C5_EXECUTE') or die("Access Denied.");
   $aBlocks = $controller->generateNav();
   $c = Page::getCurrentPage();
   $containsPages = false;
 
   $nh = Loader::helper('navigation');
 
   //this will create an array of parent cIDs 
   $inspectC=$c;
   $selectedPathCIDs=array( $inspectC->getCollectionID() );
   $parentCIDnotZero=true;   
   while($parentCIDnotZero){
      $cParentID=$inspectC->cParentID;
      if(!intval($cParentID)){
         $parentCIDnotZero=false;
      }else{
         $selectedPathCIDs[]=$cParentID;
         $inspectC=Page::getById($cParentID);
      }
   }    
 
   foreach($aBlocks as $ni) {
      $_c = $ni->getCollectionObject();
      if (!$_c->getCollectionAttributeValue('exclude_nav')) {
 
         $extraclass = $_c->getCollectionAttributeValue('nav_class');
         if ($extraclass) {
            $extraclass = ' ' . $extraclass;  // add extra space
         }
 
         $target = $ni->getTarget();
         if ($target != '') {
            $target = 'target="' . $target . '"';
         }
         if (!$containsPages) {
            // this is the first time we've entered the loop so we print out the UL tag
            echo("<ul class=\"nav\">");
         }
 
         $containsPages = true;
 
         $thisLevel = $ni->getLevel();
         if ($thisLevel > $lastLevel) {
            echo("<ul>");
         } else if ($thisLevel < $lastLevel) {
            for ($j = $thisLevel; $j < $lastLevel; $j++) {
               if ($lastLevel - $j > 1) {
                  echo("</li></ul>");
               } else {
                  echo("</li></ul></li>");
               }
            }
         } else if ($i > 0) {
            echo("</li>");
         }
 
         $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();
         }
 
         if ($c->getCollectionID() == $_c->getCollectionID()) { 
            echo('<li class="nav-selected nav-path-selected'.$extraclass .'"><a class="nav-selected nav-path-selected" ' . $target . ' href="' . $pageLink . '">' . $ni->getName() . '</a>');
         } elseif ( in_array($_c->getCollectionID(),$selectedPathCIDs) && ($_c->getCollectionID() != HOME_CID) ) {
            echo('<li class="nav-path-selected'.$extraclass .'"><a class="nav-path-selected" href="' . $pageLink . '" ' . $target . '>' . $ni->getName() . '</a>');
         } else {
            echo('<li class="'.trim($extraclass) .'"><a href="' . $pageLink . '" ' . $target . ' >' . $ni->getName() . '</a>');
         }   
         $lastLevel = $thisLevel;
         $i++;
 
 
      }
   }
 
   $thisLevel = 0;
   if ($containsPages) {
      for ($i = $thisLevel; $i <= $lastLevel; $i++) {
         echo("</li></ul>");
      }
   }
 
?>