class Page extends SiteTree {
   
   public static $db = array();

   public static $has_one = array(
      'Widgets' => 'WidgetArea'
   );
   
   static $has_many = array();
   
   /**
    * Method to update CMS fields
    */
   public function getCMSFields(){
      $fields = parent::getCMSFields();
      
      //Widgets
      $fields->addFieldToTab('Root.Widgets', new WidgetAreaEditor("Widgets"));
      
      return $fields;
   }
}