<?php

namespace Fab\Formule\ViewHelpers;

/*

* This file is part of the Fab/Formule project under GPLv2 or later.

*

* For the full copyright and license information, please read the

* LICENSE.md file that was distributed with this source code.

*/

use Fab\Formule\Service\ValidationService;

use TYPO3\CMS\Core\Utility\GeneralUtility;

use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;

/**

* View helper which tells whether the field contains possible errors

*/

class HasErrorViewHelper extends AbstractViewHelper

{

/**

* @return void

*/

public function initializeArguments(): void

{

$this->registerArgument('field', 'string', '', true);

}

/**

* @return string

*/

public function render()

{

$field = $this->arguments['field'];

return $this->getValidationService()->hasErrors($field) ? 'has-error' : '';

}

/**

* @return ValidationService|object

*/

protected function getValidationService()

{

return GeneralUtility::makeInstance(ValidationService::class);

}

}