AttributesViewHelper.php

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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\Backend\ViewHelpers\Toolbar;
 
use ‪TYPO3\CMS\Backend\Toolbar\ToolbarItemInterface;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;
 
final class ‪AttributesViewHelper extends AbstractViewHelper
{
    use CompileWithRenderStatic;
 
    public function ‪initializeArguments(): void
    {
        $this->registerArgument('class', ToolbarItemInterface::class, 'Class being converted to a string for usage as id attribute', true);
    }
 
    public static function ‪renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext): string
    {
        $additionalAttributes = [
            'class' => 'toolbar-item',
        ];
 
        $toolbarItem = $arguments['class'] ?? null;
        if ($toolbarItem instanceof ‪ToolbarItemInterface) {
            $additionalAttributes['class'] .= ' ' . ($toolbarItem->getAdditionalAttributes()['class'] ?? '');
            $additionalAttributes['id'] = ‪self::convertClassNameToIdAttribute(\get_class($toolbarItem));
        }
 
        return GeneralUtility::implodeAttributes($additionalAttributes);
    }
 
    private static function ‪convertClassNameToIdAttribute(string $fullyQualifiedClassName): string
    {
        $className = ‪GeneralUtility::underscoredToLowerCamelCase($fullyQualifiedClassName);
        $className = ‪GeneralUtility::camelCaseToLowerCaseUnderscored($className);
 
        return str_replace(['_', '\\'], '-', $className);
    }
}