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<?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\Select;
use TYPO3\CMS\Fluid\ViewHelpers\Form\AbstractFormFieldViewHelper;
/**
* Adds custom :html:`<optgroup>` tags inside an :ref:`<f:form.select> <typo3-fluid-form-select>`,
* supports further child :ref:`<f:form.select.option> <typo3-fluid-form-select-option>` tags.
*/
final class OptgroupViewHelper extends AbstractFormFieldViewHelper
{
/**
* @var string
*/
protected $tagName = 'optgroup';
public function initializeArguments(): void
{
$this->registerUniversalTagAttributes();
$this->registerArgument('additionalAttributes', 'array', 'Additional tag attributes. They will be added directly to the resulting HTML tag.');
$this->registerArgument('data', 'array', 'Additional data-* attributes. They will each be added with a "data-" prefix.');
$this->registerTagAttribute('label', 'string', 'Human-readable label property for the generated optgroup tag');
$this->registerTagAttribute('disabled', 'boolean', 'If true, option group is rendered as disabled', false, false);
}
public function render(): string
{
if ($this->arguments['disabled']) {
$this->tag->addAttribute('disabled', 'disabled');
} else {
$this->tag->removeAttribute('disabled');
}
$this->tag->setContent($this->renderChildren());
return $this->tag->render();
}
}