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\Form\FieldControl;
+
+use TYPO3\CMS\Backend\Form\AbstractNode;
+use TYPO3\CMS\Core\Page\JavaScriptModuleInstruction;
+use TYPO3\CMS\Core\Utility\StringUtility;
+
+/**
+ * "Reset selection to previous selected items" icon,
+ * typically used by type=select with renderType=selectSingleBox
+ */
+class ResetSelection extends AbstractNode
+{
+    /**
+     * Add button control
+     *
+     * @return array As defined by FieldControl class
+     */
+    public function render(): array
+    {
+        $parameterArray = $this->data['parameterArray'];
+        $selectItems = $parameterArray['fieldConf']['config']['items'];
+        if (($parameterArray['fieldConf']['config']['readOnly'] ?? false) || empty($selectItems)) {
+            // Early return if the field is readOnly or no items exist
+            return [];
+        }
+        $itemName = $parameterArray['itemFormElName'];
+        $itemArray = array_flip($parameterArray['itemFormElValue']);
+        $initiallySelectedIndices = [];
+        foreach ($selectItems as $i => $item) {
+            $value = $item['value'];
+            // Selected or not by default
+            if (isset($itemArray[$value])) {
+                $initiallySelectedIndices[] = $i;
+            }
+        }
+
+        $id = StringUtility::getUniqueId('t3js-formengine-fieldcontrol-');
+
+        return [
+            'iconIdentifier' => 'actions-edit-undo',
+            'title' => 'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.revertSelection',
+            'linkAttributes' => [
+                'id' => $id,
+                'data-item-name' => $itemName,
+                'data-selected-indices' => json_encode($initiallySelectedIndices),
+            ],
+            'javaScriptModules' => [
+                JavaScriptModuleInstruction::create('@typo3/backend/form-engine/field-control/reset-selection.js')->instance('#' . $id),
+            ],
+        ];
+    }
+}