public function __construct($id = 0)
 {
     parent::__construct();
     if ($id > 0) {
         $this->charger_id($id);
     }
     $this->extends[] = new AttachementAdmin();
     $this->setAttachement("image", new ImageFile('contenu', $this->id));
     $this->setAttachement("document", new DocumentFile('contenu', $this->id));
 }