TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:00 +02:00
commit f9941541b7
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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\ViewHelper\AbstractViewHelper;
+
+/**
+ * ViewHelper to build a "class" attribute string for use in rendered toolbar items.
+ *
+ * ```
+ *  <be:toolbar.attributes class="{someToolbarItemInterfaceInstance}" />
+ * ```
+ *
+ * @see https://docs.typo3.org/permalink/t3viewhelper:typo3-backend-toolbar-attributes
+ * @internal
+ */
+final class AttributesViewHelper extends AbstractViewHelper
+{
+    public function initializeArguments(): void
+    {
+        $this->registerArgument('class', ToolbarItemInterface::class, 'Class being converted to a string for usage as id attribute', true);
+    }
+
+    public function render(): string
+    {
+        $additionalAttributes = [
+            'class' => 'toolbar-item dropdown',
+        ];
+        $toolbarItem = $this->arguments['class'] ?? null;
+        if ($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);
+    }
+}