/**
  * resume skin object
  * @param array $config: skin config
  */
 static function resume_skin($config = array())
 {
     HW_HOANGWEB::load_class('HW_File_Directory');
     if (is_string($config)) {
         $config = self::decrypt($config);
     }
     global $wp_registered_widgets;
     //turn widget obj from their id
     $widget_inst = null;
     if (isset($config['widget']) && isset($wp_registered_widgets[$config['widget']])) {
         $widget_obj = $wp_registered_widgets[$config['widget']];
         if (is_array($widget_obj['callback'])) {
             $widget_inst = $widget_obj['callback'][0];
         } elseif (isset($widget_obj['callback_wl_redirect'][0])) {
             //modify by widget_logic plugin
             $widget_inst = $widget_obj['callback_wl_redirect'][0];
         }
     }
     if (isset($config['apply_current_path'])) {
         $apply_current_path = $config['apply_current_path'];
         if (!file_exists($apply_current_path)) {
             //alway start from hw-hoangweb plugin
             $apply_current_path = HW_File_Directory::generate_path(HW_HOANGWEB_PATH, $apply_current_path);
         }
     } else {
         return;
     }
     if (isset($config['plugin_url'])) {
         $plugin_url = $config['plugin_url'];
         if (!HW_URL::valid_url($plugin_url)) {
             $plugin_url = HW_File_Directory::generate_url(HW_HOANGWEB_URL, $plugin_url);
         }
     } else {
         return;
     }
     $external_skins_folder = isset($config['skin_folder']) ? $config['skin_folder'] : $config['other_folder'];
     //two alias
     if (isset($config['skin_name'])) {
         $skin_name = $config['skin_name'];
     } else {
         return;
     }
     if (isset($config['default_skin_path'])) {
         $default_skin_path = $config['default_skin_path'];
     } else {
         $config['default_skin_path'] = 'skins';
     }
     $group = isset($config['group']) ? $config['group'] : '';
     $enable_external_callback = $config['enable_external_callback'];
     /**
      * start createn new  HW_SKIN instance
      */
     $skin = new self($widget_inst, $apply_current_path, $external_skins_folder, $skin_name, $default_skin_path);
     $skin->plugin_url = $plugin_url;
     $skin->enable_external_callback = $enable_external_callback;
     if ($group) {
         $skin->set_group($group);
     }
     if (isset($config['allows_skin_name'])) {
         $skin->add_skin_name_list($config['allows_skin_name']);
     }
     //set other properties
     if (isset($config['properties']) && is_array($config['properties'])) {
         foreach ($config['properties'] as $name => $value) {
             $skin->{$name} = $value;
         }
     }
     //update options
     if (isset($config['options'])) {
         $skin->_options = $config['options'];
     }
     //$skin->init();
     return $skin;
 }