/**
  * Check if this category is in the currently active section (e.g. it is
  * either current or one of it's children or products is currently being
  * viewed).
  *
  * @return bool
  */
 public function isSection()
 {
     // First check if we are currently viewing a product
     $product = Catalogue_Controller::get_current_product();
     if ($product->ID && $product->Categories()->exists()) {
         $ancestors = $product->Categories()->first()->getAncestors()->column();
         $ancestors[] = $product->Categories()->first()->ID;
     } else {
         // Get a map of ancestors
         $ancestors = Catalogue_Controller::get_current_category()->getAncestors()->column();
         if ($this->isCurrent()) {
             $ancestors[] = $this->ID;
         }
     }
     return in_array($this->ID, $ancestors) ? true : false;
 }