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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\NodeExpansion;
use TYPO3\CMS\Backend\Form\AbstractNode;
use TYPO3\CMS\Core\Service\DependencyOrderingService;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Field wizards are additional HTML on a single element level that are typically
* shown below the element input. They are registered in ['config']['fieldWizard']
* TCA section and each element may merge that with default wizards.
*
* Field wizards may add additional functionality to the element. They could add
* new ajax controllers for instance or add buttons and are not restricted by the
* framework further.
*
* Examples for field wizards are the display of the "language diff" in input elements
* and the file upload button in group elements.
*/
class FieldWizard extends AbstractNode
{
/**
* Order the list of field wizards to be rendered with the ordering service,
* then call each wizard element through the node factory and merge their
* results.
*
* @return array Result array
*/
public function render(): array
{
$result = $this->initializeResultArray();
if (!isset($this->data['renderData']['fieldWizard'])) {
return $result;
}
$fieldWizard = $this->data['renderData']['fieldWizard'];
$orderingService = GeneralUtility::makeInstance(DependencyOrderingService::class);
$orderedFieldWizard = $orderingService->orderByDependencies($fieldWizard, 'before', 'after');
foreach ($orderedFieldWizard as $anOrderedFieldWizard => $orderedFieldWizardConfiguration) {
if (isset($orderedFieldWizardConfiguration['disabled']) && $orderedFieldWizardConfiguration['disabled']
|| !isset($fieldWizard[$anOrderedFieldWizard]['renderType'])
) {
// Don't consider this control if disabled.
// Also ignore if renderType is not given.
// Missing renderType may happen if an element registers a default field control
// as disabled, and TCA enabled that. If then additionally for instance the
// element renderType is changed to an element that doesn't register the control
// by default anymore, this would then fatal if we don't continue here.
// @todo: the above scenario indicates a small configuration flaw, maybe log an error somewhere?
continue;
}
$options = $this->data;
$options['renderType'] = $fieldWizard[$anOrderedFieldWizard]['renderType'];
$options['renderData']['fieldWizardOptions'] = $orderedFieldWizardConfiguration['options'] ?? [];
$wizardResult = $this->nodeFactory->create($options)->render();
$result = $this->mergeChildReturnIntoExistingResult($result, $wizardResult);
}
return $result;
}
}