/**
  * Return the icon for the given node.
  * @param PROJECT $node Draw the title for this project.
  * @return string
  */
 public function get_icon_url($node)
 {
     if ($node->defines_options()) {
         return '{icons}buttons/edit';
     }
     return parent::get_icon_url($node);
 }
 /**
  * Return the icon for the given node.
  * @param PROJECT $node Draw the title for this project.
  * @return string
  */
 public function get_icon_url($node)
 {
     if ($node->defines_security()) {
         return '{icons}buttons/security';
     }
     return parent::get_icon_url($node);
 }