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<?php
/*
* 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\FormDataProvider;
use TYPO3\CMS\Backend\Form\FormDataProviderInterface;
use TYPO3\CMS\Core\Configuration\FlexForm\Exception\InvalidIdentifierException;
use TYPO3\CMS\Core\Configuration\FlexForm\Exception\InvalidParentRowException;
use TYPO3\CMS\Core\Configuration\FlexForm\Exception\InvalidParentRowLoopException;
use TYPO3\CMS\Core\Configuration\FlexForm\Exception\InvalidParentRowRootException;
use TYPO3\CMS\Core\Configuration\FlexForm\Exception\InvalidPointerFieldValueException;
use TYPO3\CMS\Core\Configuration\FlexForm\FlexFormTools;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Resolve flex data structure and data values, prepare and normalize.
*
* This is the first data provider in the chain of flex form related providers.
*/
class TcaFlexPrepare implements FormDataProviderInterface
{
/**
* Resolve flex data structures and prepare flex data values.
*
* Normalize some details to have aligned array nesting for the rest of the
* processing method and the render engine.
*
* @param array $result
* @return array
*/
public function addData(array $result)
{
foreach ($result['processedTca']['columns'] as $fieldName => $fieldConfig) {
if (empty($fieldConfig['config']['type']) || $fieldConfig['config']['type'] !== 'flex') {
continue;
}
$result = $this->initializeDataStructure($result, $fieldName);
$result = $this->initializeDataValues($result, $fieldName);
}
return $result;
}
/**
* Fetch / initialize data structure.
*
* The sub array with different possible data structures in ['config']['ds'] is
* resolved here, ds array contains only the one resolved data structure after this method.
*
* @param array $result Result array
* @param string $fieldName Currently handled field name
* @return array Modified result
* @throws \UnexpectedValueException
*/
protected function initializeDataStructure(array $result, $fieldName)
{
$flexFormTools = GeneralUtility::makeInstance(FlexFormTools::class);
if (!isset($result['processedTca']['columns'][$fieldName]['config']['dataStructureIdentifier'])) {
$dataStructureIdentifier = null;
$dataStructureArray = ['sheets' => ['sDEF' => []]];
try {
$dataStructureIdentifier = $flexFormTools->getDataStructureIdentifier(
$result['processedTca']['columns'][$fieldName],
$result['tableName'],
$fieldName,
$result['databaseRow']
);
$dataStructureArray = $flexFormTools->parseDataStructureByIdentifier($dataStructureIdentifier);
} catch (InvalidParentRowException|InvalidParentRowLoopException|InvalidParentRowRootException|InvalidPointerFieldValueException|InvalidIdentifierException $e) {
$dataStructureIdentifier = null;
} finally {
// Add the identifier to TCA to use it later during rendering
$result['processedTca']['columns'][$fieldName]['config']['dataStructureIdentifier'] = $dataStructureIdentifier;
}
} else {
// Assume the data structure has been given from outside if the data structure identifier is already set.
$dataStructureArray = $result['processedTca']['columns'][$fieldName]['config']['ds'];
$dataStructureArray = $flexFormTools->removeElementTceFormsRecursive($dataStructureArray);
$dataStructureArray = $flexFormTools->migrateFlexFormTcaRecursive($dataStructureArray);
}
if (!isset($dataStructureArray['meta']) || !is_array($dataStructureArray['meta'])) {
$dataStructureArray['meta'] = [];
}
// This kicks one array depth: config['ds']['listOfDataStructures'] becomes config['ds']
// This also ensures the final ds can be found in 'ds', even if the DS was fetch from
// a record, see FlexFormTools->getDataStructureIdentifier() for details.
$result['processedTca']['columns'][$fieldName]['config']['ds'] = $dataStructureArray;
return $result;
}
/**
* Parse / initialize value from xml string to array
*
* @param array $result Result array
* @param string $fieldName Currently handled field name
* @return array Modified result
*/
protected function initializeDataValues(array $result, $fieldName)
{
if (!array_key_exists($fieldName, $result['databaseRow'])) {
$result['databaseRow'][$fieldName] = '';
}
$valueArray = [];
if (isset($result['databaseRow'][$fieldName])) {
$valueArray = $result['databaseRow'][$fieldName];
}
if (!is_array($result['databaseRow'][$fieldName])) {
$valueArray = GeneralUtility::xml2array($result['databaseRow'][$fieldName]);
}
if (!is_array($valueArray)) {
$valueArray = [];
}
if (!isset($valueArray['data'])) {
$valueArray['data'] = [];
}
if (!isset($valueArray['meta'])) {
$valueArray['meta'] = [];
}
$result['databaseRow'][$fieldName] = $valueArray;
return $result;
}
}