70 lines
2.3 KiB
PHP
70 lines
2.3 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Backend\Form\FieldControl;
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use TYPO3\CMS\Backend\Form\AbstractNode;
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use TYPO3\CMS\Core\Page\JavaScriptModuleInstruction;
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use TYPO3\CMS\Core\Utility\StringUtility;
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/**
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* "Reset selection to previous selected items" icon,
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* typically used by type=select with renderType=selectSingleBox
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*/
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class ResetSelection extends AbstractNode
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{
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/**
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* Add button control
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*
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* @return array As defined by FieldControl class
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*/
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public function render(): array
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{
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$parameterArray = $this->data['parameterArray'];
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$selectItems = $parameterArray['fieldConf']['config']['items'];
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if (($parameterArray['fieldConf']['config']['readOnly'] ?? false) || empty($selectItems)) {
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// Early return if the field is readOnly or no items exist
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return [];
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}
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$itemName = $parameterArray['itemFormElName'];
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$itemArray = array_flip($parameterArray['itemFormElValue']);
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$initiallySelectedIndices = [];
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foreach ($selectItems as $i => $item) {
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$value = $item['value'];
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// Selected or not by default
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if (isset($itemArray[$value])) {
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$initiallySelectedIndices[] = $i;
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}
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}
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$id = StringUtility::getUniqueId('t3js-formengine-fieldcontrol-');
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return [
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'iconIdentifier' => 'actions-edit-undo',
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'title' => 'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.revertSelection',
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'linkAttributes' => [
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'id' => $id,
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'data-item-name' => $itemName,
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'data-selected-indices' => json_encode($initiallySelectedIndices),
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],
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'javaScriptModules' => [
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JavaScriptModuleInstruction::create('@typo3/backend/form-engine/field-control/reset-selection.js')->instance('#' . $id),
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],
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];
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}
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}
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