Files

68 lines
2.0 KiB
PHP

<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Fluid\ViewHelpers\Form;
/**
* ViewHelper which renders an `<input type="file">` file upload HTML form element.
* Make sure to set the `enctype="multipart/form-data"` attribute on the surrounding form!
*
* ```
* <f:form.upload name="file" />
* ```
*
* @see https://docs.typo3.org/permalink/t3viewhelper:typo3-fluid-form-upload
*/
final class UploadViewHelper extends AbstractFormFieldViewHelper
{
/**
* @var string
*/
protected $tagName = 'input';
public function initializeArguments(): void
{
parent::initializeArguments();
$this->registerArgument('errorClass', 'string', 'CSS class to set if there are errors for this ViewHelper', false, 'f3-form-error');
}
public function render(): string
{
$multiple = isset($this->additionalArguments['multiple']);
$name = $this->getName();
$allowedFields = ['name', 'type', 'tmp_name', 'error', 'size'];
foreach ($allowedFields as $fieldName) {
if ($multiple) {
$formTokenFieldName = sprintf('%s[*][%s]', $name, $fieldName);
} else {
$formTokenFieldName = $name . '[' . $fieldName . ']';
}
$this->registerFieldNameForFormTokenGeneration($formTokenFieldName);
}
$this->tag->addAttribute('type', 'file');
if ($multiple) {
$this->tag->addAttribute('name', $name . '[]');
} else {
$this->tag->addAttribute('name', $name);
}
$this->setErrorClassAttribute();
return $this->tag->render();
}
}