private function setup_skin_data()
 {
     // skin list and check if class exists
     $skins = thesis_skins::get_items();
     if (!isset($skins[$this->class]) && !empty($skins[$this->class]['folder'])) {
         wp_die(__('Could not find the specified skin.', 'thesis'));
     } else {
         $this->skin->feedback(__('Setting up skin.', 'thesis'));
     }
     $this->skin_data = $skins[$this->class];
 }