public function handle(FormBuilder $formBuilder)
    {
        $grid      = $formBuilder->grid;
        $fieldsets = $grid->fieldsets();
        if (empty($fieldsets)) {
            return false;
        }
        if (!isset($grid->name) or is_null($grid->name)) {
            return false;
        }

        $extension = app('antares.extension')->getActualExtension();
        $memory    = app('antares.memory')->make('registry');
        $namespace = $extension . '.' . $grid->name;
        if (is_null($memory->get($namespace))) {
            $memory->push($namespace, $namespace);
            $memory->finish();
            return false;
        }

        /* @var $formHandler FormHandler */
        $formHandler = app('Antares\Customfields\Events\FormHandler');
        $formHandler->onViewForm($grid->row(), $formBuilder, $namespace);
    }