EditDocumentController::getInfobox() - Code Metrics - Inspection of "[BUGFIX] Prevent disabling and deleting of current..." - TYPO3/TYPO3.CMS - Measure and Improve Code Quality continuously with Scrutinizer

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created 2021-05-28 18:17 UTC
EditDocumentController::getInfobox() A

↳ Parent: EditDocumentController
Complexity

Conditions	2
Paths	2
Size

Total Lines	16
Code Lines	14
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
cc	2
eloc	14
nc	2
nop	2
dl	0
loc	16
rs	9.7998
c	0
b	0
f	0
<?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\Controller;

use Psr\EventDispatcher\EventDispatcherInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use TYPO3\CMS\Backend\Controller\Event\AfterFormEnginePageInitializedEvent;
use TYPO3\CMS\Backend\Controller\Event\BeforeFormEnginePageInitializedEvent;
use TYPO3\CMS\Backend\Form\Exception\AccessDeniedException;
use TYPO3\CMS\Backend\Form\Exception\DatabaseRecordException;
use TYPO3\CMS\Backend\Form\Exception\DatabaseRecordWorkspaceDeletePlaceholderException;
use TYPO3\CMS\Backend\Form\FormDataCompiler;
use TYPO3\CMS\Backend\Form\FormDataGroup\TcaDatabaseRecord;
use TYPO3\CMS\Backend\Form\FormResultCompiler;
use TYPO3\CMS\Backend\Form\NodeFactory;
use TYPO3\CMS\Backend\Routing\PreviewUriBuilder;
use TYPO3\CMS\Backend\Routing\UriBuilder;
use TYPO3\CMS\Backend\Template\Components\ButtonBar;
use TYPO3\CMS\Backend\Template\ModuleTemplate;
use TYPO3\CMS\Backend\Template\ModuleTemplateFactory;
use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Core\Database\ConnectionPool;
use TYPO3\CMS\Core\Database\Query\QueryBuilder;
use TYPO3\CMS\Core\Database\Query\Restriction\DeletedRestriction;
use TYPO3\CMS\Core\Database\Query\Restriction\WorkspaceRestriction;
use TYPO3\CMS\Core\Database\ReferenceIndex;
use TYPO3\CMS\Core\DataHandling\DataHandler;
use TYPO3\CMS\Core\Domain\Repository\PageRepository;
use TYPO3\CMS\Core\Exception\SiteNotFoundException;
use TYPO3\CMS\Core\Http\HtmlResponse;
use TYPO3\CMS\Core\Http\RedirectResponse;
use TYPO3\CMS\Core\Imaging\Icon;
use TYPO3\CMS\Core\Imaging\IconFactory;
use TYPO3\CMS\Core\Messaging\FlashMessage;
use TYPO3\CMS\Core\Messaging\FlashMessageService;
use TYPO3\CMS\Core\Page\PageRenderer;
use TYPO3\CMS\Core\Routing\UnableToLinkToPageException;
use TYPO3\CMS\Core\Site\Entity\NullSite;
use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
use TYPO3\CMS\Core\Site\SiteFinder;
use TYPO3\CMS\Core\Type\Bitmask\Permission;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Core\Utility\HttpUtility;
use TYPO3\CMS\Core\Utility\MathUtility;
use TYPO3\CMS\Core\Utility\PathUtility;
use TYPO3\CMS\Core\Versioning\VersionState;

/**
 * Main backend controller almost always used if some database record is edited in the backend.
 *
 * Main job of this controller is to evaluate and sanitize $request parameters,
 * call the DataHandler if records should be created or updated and
 * execute FormEngine for record rendering.
 */
class EditDocumentController
{
    protected const DOCUMENT_CLOSE_MODE_DEFAULT = 0;
    // works like DOCUMENT_CLOSE_MODE_DEFAULT
    protected const DOCUMENT_CLOSE_MODE_REDIRECT = 1;
    protected const DOCUMENT_CLOSE_MODE_CLEAR_ALL = 3;
    protected const DOCUMENT_CLOSE_MODE_NO_REDIRECT = 4;

    /**
     * An array looking approx like [tablename][list-of-ids]=command, eg. "&edit[pages][123]=edit".
     *
     * @var array<string,array>
     */
    protected $editconf = [];

    /**
     * Comma list of field names to edit. If specified, only those fields will be rendered.
     * Otherwise all (available) fields in the record are shown according to the TCA type.
     *
     * @var string|null
     */
    protected $columnsOnly;

    /**
     * Default values for fields
     *
     * @var array|null [table][field]
     */
    protected $defVals;

    /**
     * Array of values to force being set as hidden fields in FormEngine
     *
     * @var array|null [table][field]
     */
    protected $overrideVals;

    /**
     * If set, this value will be set in $this->retUrl as "returnUrl", if not,
     * $this->retUrl will link to dummy controller
     *
     * @var string|null
     */
    protected $returnUrl;

    /**
     * Prepared return URL. Contains the URL that we should return to from FormEngine if
     * close button is clicked. Usually passed along as 'returnUrl', but falls back to
     * "dummy" controller.
     *
     * @var string
     */
    protected $retUrl;

    /**
     * Close document command. One of the DOCUMENT_CLOSE_MODE_* constants above
     *
     * @var int
     */
    protected $closeDoc;

    /**
     * If true, the processing of incoming data will be performed as if a save-button is pressed.
     * Used in the forms as a hidden field which can be set through
     * JavaScript if the form is somehow submitted by JavaScript.
     *
     * @var bool
     */
    protected $doSave;

    /**
     * Main DataHandler datamap array
     *
     * @var array
     */
    protected $data;

    /**
     * Main DataHandler cmdmap array
     *
     * @var array
     */
    protected $cmd;

    /**
     * DataHandler 'mirror' input
     *
     * @var array
     */
    protected $mirror;

    /**
     * Boolean: If set, then the GET var "&id=" will be added to the
     * retUrl string so that the NEW id of something is returned to the script calling the form.
     *
     * @var bool
     */
    protected $returnNewPageId = false;

    /**
     * ID for displaying the page in the frontend, "save and view"
     *
     * @var int
     */
    protected $popViewId;

    /**
     * Alternative URL for viewing the frontend pages.
     *
     * @var string
     */
    protected $viewUrl;

    /**
     * @var string|null
     */
    protected $previewCode;

    /**
     * Alternative title for the document handler.
     *
     * @var string
     */
    protected $recTitle;

    /**
     * If set, then no save & view button is printed
     *
     * @var bool
     */
    protected $noView;

    /**
     * @var string
     */
    protected $perms_clause;

    /**
     * If true, $this->editconf array is added a redirect response, used by Wizard/AddController
     *
     * @var bool
     */
    protected $returnEditConf;

    /**
     * parse_url() of current requested URI, contains ['path'] and ['query'] parts.
     *
     * @var array
     */
    protected $R_URL_parts;

    /**
     * Contains $request query parameters. This array is the foundation for creating
     * the R_URI internal var which becomes the url to which forms are submitted
     *
     * @var array
     */
    protected $R_URL_getvars;

    /**
     * Set to the URL of this script including variables which is needed to re-display the form.
     *
     * @var string
     */
    protected $R_URI;

    /**
     * @var array
     */
    protected $pageinfo;

    /**
     * Is loaded with the "title" of the currently "open document"
     * used for the open document toolbar
     *
     * @var string
     */
    protected $storeTitle = '';

    /**
     * Contains an array with key/value pairs of GET parameters needed to reach the
     * current document displayed - used in the 'open documents' toolbar.
     *
     * @var array
     */
    protected $storeArray;

    /**
     * $this->storeArray imploded to url
     *
     * @var string
     */
    protected $storeUrl;

    /**
     * md5 hash of storeURL, used to identify a single open document in backend user uc
     *
     * @var string
     */
    protected $storeUrlMd5;

    /**
     * Backend user session data of this module
     *
     * @var array
     */
    protected $docDat;

    /**
     * An array of the "open documents" - keys are md5 hashes (see $storeUrlMd5) identifying
     * the various documents on the GET parameter list needed to open it. The values are
     * arrays with 0,1,2 keys with information about the document (see compileStoreData()).
     * The docHandler variable is stored in the $docDat session data, key "0".
     *
     * @var array
     */
    protected $docHandler;

    /**
     * Array of the elements to create edit forms for.
     *
     * @var array
     */
    protected $elementsData;

    /**
     * Pointer to the first element in $elementsData
     *
     * @var array
     */
    protected $firstEl;

    /**
     * Counter, used to count the number of errors (when users do not have edit permissions)
     *
     * @var int
     */
    protected $errorC;

    /**
     * Is set to the pid value of the last shown record - thus indicating which page to
     * show when clicking the SAVE/VIEW button
     *
     * @var int
     */
    protected $viewId;

    /**
     * @var FormResultCompiler
     */
    protected $formResultCompiler;

    /**
     * Used internally to disable the storage of the document reference (eg. new records)
     *
     * @var int
     */
    protected $dontStoreDocumentRef = 0;

    /**
     * Stores information needed to preview the currently saved record
     *
     * @var array
     */
    protected $previewData = [];

    /**
     * ModuleTemplate object
     *
     * @var ModuleTemplate
     */
    protected $moduleTemplate;

    /**
     * Check if a record has been saved
     *
     * @var bool
     */
    protected $isSavedRecord;

    /**
     * Check if a page in free translation mode
     *
     * @var bool
     */
    protected $isPageInFreeTranslationMode = false;

    protected EventDispatcherInterface $eventDispatcher;
    protected IconFactory $iconFactory;
    protected PageRenderer $pageRenderer;
    protected UriBuilder $uriBuilder;
    protected ModuleTemplateFactory $moduleTemplateFactory;

    public function __construct(
        EventDispatcherInterface $eventDispatcher,
        IconFactory $iconFactory,
        PageRenderer $pageRenderer,
        UriBuilder $uriBuilder,
        ModuleTemplateFactory $moduleTemplateFactory
    ) {
        $this->eventDispatcher = $eventDispatcher;
        $this->iconFactory = $iconFactory;
        $this->pageRenderer = $pageRenderer;
        $this->uriBuilder = $uriBuilder;
        $this->moduleTemplateFactory = $moduleTemplateFactory;
    }

    /**
     * Main dispatcher entry method registered as "record_edit" end point
     *
     * @param ServerRequestInterface $request the current request
     * @return ResponseInterface the response with the content
     */
    public function mainAction(ServerRequestInterface $request): ResponseInterface
    {
        $this->moduleTemplate = $this->moduleTemplateFactory->create($request);
        $this->moduleTemplate->setUiBlock(true);
        $this->moduleTemplate->setTitle($this->getShortcutTitle($request));

        $this->getLanguageService()->includeLLFile('EXT:backend/Resources/Private/Language/locallang_alt_doc.xlf');

        // Unlock all locked records
        BackendUtility::lockRecords();
        if ($response = $this->preInit($request)) {
            return $response;
        }

        // Process incoming data via DataHandler?
        $parsedBody = $request->getParsedBody();
        if ((
            $this->doSave
                || isset($parsedBody['_savedok'])
                || isset($parsedBody['_saveandclosedok'])
                || isset($parsedBody['_savedokview'])
                || isset($parsedBody['_savedoknew'])
                || isset($parsedBody['_duplicatedoc'])
        )
            && $request->getMethod() === 'POST'
            && $response = $this->processData($request)
        ) {
            return $response;
        }

        $this->init($request);

        if ($request->getMethod() === 'POST') {
            return new RedirectResponse($this->R_URI, 302);
        }

        $this->main($request);

        return new HtmlResponse($this->moduleTemplate->renderContent());
    }

    /**
     * First initialization, always called, even before processData() executes DataHandler processing.
     *
     * @param ServerRequestInterface $request
     * @return ResponseInterface Possible redirect response
     */
    protected function preInit(ServerRequestInterface $request): ?ResponseInterface
    {
        if ($response = $this->localizationRedirect($request)) {
            return $response;
        }

        $parsedBody = $request->getParsedBody();
        $queryParams = $request->getQueryParams();

        $this->editconf = $parsedBody['edit'] ?? $queryParams['edit'] ?? [];
        $this->defVals = $parsedBody['defVals'] ?? $queryParams['defVals'] ?? null;
        $this->overrideVals = $parsedBody['overrideVals'] ?? $queryParams['overrideVals'] ?? null;
        $this->columnsOnly = $parsedBody['columnsOnly'] ?? $queryParams['columnsOnly'] ?? null;
        $this->returnUrl = GeneralUtility::sanitizeLocalUrl($parsedBody['returnUrl'] ?? $queryParams['returnUrl'] ?? null);
        $this->closeDoc = (int)($parsedBody['closeDoc'] ?? $queryParams['closeDoc'] ?? self::DOCUMENT_CLOSE_MODE_DEFAULT);
        $this->doSave = (bool)($parsedBody['doSave'] ?? false) && $request->getMethod() === 'POST';
        $this->returnEditConf = (bool)($parsedBody['returnEditConf'] ?? $queryParams['returnEditConf'] ?? false);

        // Set overrideVals as default values if defVals does not exist.
        // @todo: Why?
        if (!is_array($this->defVals) && is_array($this->overrideVals)) {
            $this->defVals = $this->overrideVals;
        }
        $this->addSlugFieldsToColumnsOnly($queryParams);

        // Set final return URL
        $this->retUrl = $this->returnUrl ?: (string)$this->uriBuilder->buildUriFromRoute('dummy');

        // Change $this->editconf if versioning applies to any of the records
        $this->fixWSversioningInEditConf();

        // Prepare R_URL (request url)
        $this->R_URL_parts = parse_url($request->getAttribute('normalizedParams')->getRequestUri()) ?: [];
        $this->R_URL_getvars = $queryParams;
        $this->R_URL_getvars['edit'] = $this->editconf;

        // Prepare 'open documents' url, this is later modified again various times
        $this->compileStoreData();
        // Backend user session data of this module
        $this->docDat = $this->getBackendUser()->getModuleData('FormEngine', 'ses');
        $this->docHandler = $this->docDat[0] ?? [];

        // Close document if a request for closing the document has been sent
        if ((int)$this->closeDoc > self::DOCUMENT_CLOSE_MODE_DEFAULT) {
            if ($response = $this->closeDocument($this->closeDoc, $request)) {
                return $response;
            }
        }

        $event = new BeforeFormEnginePageInitializedEvent($this, $request);
        $this->eventDispatcher->dispatch($event);
        return null;
    }

    /**
     * Always add required fields of slug field
     *
     * @param array $queryParams
     */
    protected function addSlugFieldsToColumnsOnly(array $queryParams): void
    {
        $data = $queryParams['edit'] ?? [];
        $data = array_keys($data);
        $table = reset($data);
        if ($this->columnsOnly && $table !== false && isset($GLOBALS['TCA'][$table])) {
            $fields = GeneralUtility::trimExplode(',', $this->columnsOnly, true);
            foreach ($fields as $field) {
                $postModifiers = $GLOBALS['TCA'][$table]['columns'][$field]['config']['generatorOptions']['postModifiers'] ?? [];
                if (isset($GLOBALS['TCA'][$table]['columns'][$field])
                    && $GLOBALS['TCA'][$table]['columns'][$field]['config']['type'] === 'slug'
                    && (!is_array($postModifiers) || $postModifiers === [])
                ) {
                    foreach ($GLOBALS['TCA'][$table]['columns'][$field]['config']['generatorOptions']['fields'] ?? [] as $fields) {
                        $this->columnsOnly .= ',' . (is_array($fields) ? implode(',', $fields) : $fields);
                    }
                }
            }
        }
    }

    /**
     * Do processing of data, submitting it to DataHandler. May return a RedirectResponse
     *
     * @param ServerRequestInterface $request
     * @return ResponseInterface|null
     */
    protected function processData(ServerRequestInterface $request): ?ResponseInterface
    {
        $parsedBody = $request->getParsedBody();

        $beUser = $this->getBackendUser();

        // Processing related GET / POST vars
        $this->data = $parsedBody['data'] ?? [];
        $this->cmd = $parsedBody['cmd'] ?? [];
        $this->mirror = $parsedBody['mirror']  ?? [];
        $this->returnNewPageId = (bool)($parsedBody['returnNewPageId'] ?? false);

        // Only options related to $this->data submission are included here
        $tce = GeneralUtility::makeInstance(DataHandler::class);

        $tce->setControl($parsedBody['control'] ?? []);

        // Set internal vars
        if (isset($beUser->uc['neverHideAtCopy']) && $beUser->uc['neverHideAtCopy']) {
            $tce->neverHideAtCopy = true;
        }

        // Set default values fetched previously from GET / POST vars
        if (is_array($this->defVals) && $this->defVals !== [] && is_array($tce->defaultValues)) {
            $tce->defaultValues = array_merge_recursive($this->defVals, $tce->defaultValues);
        }

        // Load DataHandler with data
        $tce->start($this->data, $this->cmd);
        if (is_array($this->mirror)) {
            $tce->setMirror($this->mirror);
        }

        // Perform the saving operation with DataHandler:
        if ($this->doSave === true) {
            $tce->process_datamap();
            $tce->process_cmdmap();

            // Update the module menu for the current backend user, as they updated their UI language
            $currentUserId = (int)($beUser->user[$beUser->userid_column] ?? 0);
            if ($currentUserId
                && (string)($this->data['be_users'][$currentUserId]['lang'] ?? '') !== ''
                && $this->data['be_users'][$currentUserId]['lang'] !== $beUser->user['lang']
            ) {
                $newLanguageKey = $this->data['be_users'][$currentUserId]['lang'];
                // Update the current backend user language as well
                $beUser->user['lang'] = $newLanguageKey;
                // Re-create LANG to have the current request updated the translated page as well
                $this->getLanguageService()->init($newLanguageKey);
                $this->getLanguageService()->includeLLFile('EXT:backend/Resources/Private/Language/locallang_alt_doc.xlf');
                BackendUtility::setUpdateSignal('updateModuleMenu');
                BackendUtility::setUpdateSignal('updateTopbar');
            }
        }
        // If pages are being edited, we set an instruction about updating the page tree after this operation.
        if ($tce->pagetreeNeedsRefresh
            && (isset($this->data['pages']) || $beUser->workspace != 0 && !empty($this->data))
        ) {
            BackendUtility::setUpdateSignal('updatePageTree');
        }
        // If there was saved any new items, load them:
        if (!empty($tce->substNEWwithIDs_table)) {
            // Save the expanded/collapsed states for new inline records, if any
            $this->updateInlineView($request->getParsedBody()['uc'] ?? $request->getQueryParams()['uc'] ?? null, $tce);
            $newEditConf = [];
            foreach ($this->editconf as $tableName => $tableCmds) {
                $keys = array_keys($tce->substNEWwithIDs_table, $tableName);
                if (!empty($keys)) {
                    foreach ($keys as $key) {
                        $editId = $tce->substNEWwithIDs[$key];
                        // Check if the $editId isn't a child record of an IRRE action
                        if (!(is_array($tce->newRelatedIDs[$tableName] ?? null)
                            && in_array($editId, $tce->newRelatedIDs[$tableName]))
                        ) {
                            // Translate new id to the workspace version
                            if ($versionRec = BackendUtility::getWorkspaceVersionOfRecord(
                                $beUser->workspace,
                                $tableName,
                                $editId,
                                'uid'
                            )) {
                                $editId = $versionRec['uid'];
                            }
                            $newEditConf[$tableName][$editId] = 'edit';
                        }
                        // Traverse all new records and forge the content of ->editconf so we can continue to edit these records!
                        if ($tableName === 'pages'
                            && $this->retUrl !== (string)$this->uriBuilder->buildUriFromRoute('dummy')
                            && $this->retUrl !== $this->getCloseUrl()
                            && $this->returnNewPageId
                        ) {
                            $this->retUrl .= '&id=' . $tce->substNEWwithIDs[$key];
                        }
                    }
                } else {
                    $newEditConf[$tableName] = $tableCmds;
                }
            }
            // Reset editconf if newEditConf has values
            if (!empty($newEditConf)) {
                $this->editconf = $newEditConf;
            }
            // Finally, set the editconf array in the "getvars" so they will be passed along in URLs as needed.
            $this->R_URL_getvars['edit'] = $this->editconf;
            // Unset default values since we don't need them anymore.
            unset($this->R_URL_getvars['defVals']);
            // Recompile the store* values since editconf changed
            $this->compileStoreData();
        }
        // See if any records was auto-created as new versions?
        if (!empty($tce->autoVersionIdMap)) {
            $this->fixWSversioningInEditConf($tce->autoVersionIdMap);
        }
        // If a document is saved and a new one is created right after.
        if (isset($parsedBody['_savedoknew']) && is_array($this->editconf)) {
            if ($redirect = $this->closeDocument(self::DOCUMENT_CLOSE_MODE_NO_REDIRECT, $request)) {
                return $redirect;
            }
            // Find the current table
            reset($this->editconf);
            $nTable = (string)key($this->editconf);
            // Finding the first id, getting the records pid+uid
            reset($this->editconf[$nTable]);
            $nUid = (int)key($this->editconf[$nTable]);
            $recordFields = 'pid,uid';
            if (BackendUtility::isTableWorkspaceEnabled($nTable)) {
                $recordFields .= ',t3ver_oid';
            }
            $nRec = BackendUtility::getRecord($nTable, $nUid, $recordFields);
            // Determine insertion mode: 'top' is self-explaining,
            // otherwise new elements are inserted after one using a negative uid
            $insertRecordOnTop = ($this->getTsConfigOption($nTable, 'saveDocNew') === 'top');
            // Setting a blank editconf array for a new record:
            $this->editconf = [];
            // Determine related page ID for regular live context
            if ((int)($nRec['t3ver_oid'] ?? 0) === 0) {
                if ($insertRecordOnTop) {
                    $relatedPageId = $nRec['pid'];
                } else {
                    $relatedPageId = -$nRec['uid'];
                }
            } else {
                // Determine related page ID for workspace context
                if ($insertRecordOnTop) {
                    // Fetch live version of workspace version since the pid value is always -1 in workspaces
                    $liveRecord = BackendUtility::getRecord($nTable, $nRec['t3ver_oid'], $recordFields);
                    $relatedPageId = $liveRecord['pid'];
                } else {
                    // Use uid of live version of workspace version
                    $relatedPageId = -$nRec['t3ver_oid'];
                }
            }
            $this->editconf[$nTable][$relatedPageId] = 'new';
            // Finally, set the editconf array in the "getvars" so they will be passed along in URLs as needed.
            $this->R_URL_getvars['edit'] = $this->editconf;
            // Recompile the store* values since editconf changed...
            $this->compileStoreData();
        }
        // If a document should be duplicated.
        if (isset($parsedBody['_duplicatedoc']) && is_array($this->editconf)) {
            $this->closeDocument(self::DOCUMENT_CLOSE_MODE_NO_REDIRECT, $request);
            // Find current table
            reset($this->editconf);
            $nTable = (string)key($this->editconf);
            // Find the first id, getting the records pid+uid
            reset($this->editconf[$nTable]);
            $nUid = key($this->editconf[$nTable]);
            if (!MathUtility::canBeInterpretedAsInteger($nUid)) {
                $nUid = $tce->substNEWwithIDs[$nUid];
            }

            $recordFields = 'pid,uid';
            if (BackendUtility::isTableWorkspaceEnabled($nTable)) {
                $recordFields .= ',t3ver_oid';
            }
            $nRec = BackendUtility::getRecord($nTable, $nUid, $recordFields);

            // Setting a blank editconf array for a new record:
            $this->editconf = [];

            if ((int)($nRec['t3ver_oid'] ?? 0) === 0) {
                $relatedPageId = -$nRec['uid'];
            } else {
                $relatedPageId = -$nRec['t3ver_oid'];
            }

            /** @var DataHandler $duplicateTce */
            $duplicateTce = GeneralUtility::makeInstance(DataHandler::class);

            $duplicateCmd = [
                $nTable => [
                    $nUid => [
                        'copy' => $relatedPageId
                    ]
                ]
            ];

            $duplicateTce->start([], $duplicateCmd);
            $duplicateTce->process_cmdmap();

            $duplicateMappingArray = $duplicateTce->copyMappingArray;
            $duplicateUid = $duplicateMappingArray[$nTable][$nUid];

            if ($nTable === 'pages') {
                BackendUtility::setUpdateSignal('updatePageTree');
            }

            $this->editconf[$nTable][$duplicateUid] = 'edit';
            // Finally, set the editconf array in the "getvars" so they will be passed along in URLs as needed.
            $this->R_URL_getvars['edit'] = $this->editconf;
            // Recompile the store* values since editconf changed...
            $this->compileStoreData();

            // Inform the user of the duplication
            $flashMessage = GeneralUtility::makeInstance(
                FlashMessage::class,
                $this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.recordDuplicated'),
                '',
                FlashMessage::OK
            );
            $flashMessageService = GeneralUtility::makeInstance(FlashMessageService::class);
            $defaultFlashMessageQueue = $flashMessageService->getMessageQueueByIdentifier();
            $defaultFlashMessageQueue->enqueue($flashMessage);
        }
        // If a preview is requested
        if (isset($parsedBody['_savedokview'])) {
            $array_keys = array_keys($this->data);
            // Get the first table and id of the data array from DataHandler
            $table = reset($array_keys);
            $array_keys = array_keys($this->data[$table]);
            $id = reset($array_keys);
            if (!MathUtility::canBeInterpretedAsInteger($id)) {
                $id = $tce->substNEWwithIDs[$id];
            }
            // Store this information for later use
            $this->previewData['table'] = $table;
            $this->previewData['id'] = $id;
        }
        $tce->printLogErrorMessages();

        if ((int)$this->closeDoc < self::DOCUMENT_CLOSE_MODE_DEFAULT
            || isset($parsedBody['_saveandclosedok'])
        ) {
            // Redirect if element should be closed after save
            return $this->closeDocument((int)abs($this->closeDoc), $request);
        }
        return null;
    }

    /**
     * Initialize the view part of the controller logic.
     *
     * @param ServerRequestInterface $request
     */
    protected function init(ServerRequestInterface $request): void
    {
        $parsedBody = $request->getParsedBody();
        $queryParams = $request->getQueryParams();

        $beUser = $this->getBackendUser();

        $this->popViewId = (int)($parsedBody['popViewId'] ?? $queryParams['popViewId'] ?? 0);
        $this->viewUrl = (string)($parsedBody['viewUrl'] ?? $queryParams['viewUrl'] ?? '');
        $this->recTitle = (string)($parsedBody['recTitle'] ?? $queryParams['recTitle'] ?? '');
        $this->noView = (bool)($parsedBody['noView'] ?? $queryParams['noView'] ?? false);
        $this->perms_clause = $beUser->getPagePermsClause(Permission::PAGE_SHOW);
        // Set other internal variables:
        $this->R_URL_getvars['returnUrl'] = $this->retUrl;
        $this->R_URI = $this->R_URL_parts['path'] . HttpUtility::buildQueryString($this->R_URL_getvars, '?');

        $this->pageRenderer->addInlineLanguageLabelFile('EXT:backend/Resources/Private/Language/locallang_alt_doc.xlf');

        if (isset($parsedBody['_savedokview']) && $this->popViewId) {
            $this->previewCode = $this->generatePreviewCode();
        }
        // Set context sensitive menu
        $this->pageRenderer->loadRequireJsModule('TYPO3/CMS/Backend/ContextMenu');

        $event = new AfterFormEnginePageInitializedEvent($this, $request);
        $this->eventDispatcher->dispatch($event);
    }

    /**
     * Generates markup for immediate action dispatching.
     *
     * @return string
     */
    protected function generatePreviewCode(): string
    {
        $previewPageId = $this->getPreviewPageId();
        $anchorSection = $this->getPreviewUrlAnchorSection();
        $previewPageRootLine = BackendUtility::BEgetRootLine($previewPageId);
        $previewUrlParameters = $this->getPreviewUrlParameters($previewPageId);

        return PreviewUriBuilder::create($previewPageId, $this->viewUrl)

            ->withRootLine($previewPageRootLine)
            ->withSection($anchorSection)
            ->withAdditionalQueryParameters($previewUrlParameters)
            ->buildImmediateActionElement([PreviewUriBuilder::OPTION_SWITCH_FOCUS => null]);
    }

    /**
     * Returns the parameters for the preview URL
     *
     * @param int $previewPageId
     * @return string
     */
    protected function getPreviewUrlParameters(int $previewPageId): string
    {
        $linkParameters = [];
        $table = ($this->previewData['table'] ?? '') ?: ($this->firstEl['table'] ?? '');
        $recordId = ($this->previewData['id'] ?? '') ?: ($this->firstEl['uid'] ?? '');
        $previewConfiguration = BackendUtility::getPagesTSconfig($previewPageId)['TCEMAIN.']['preview.'][$table . '.'] ?? [];
        $recordArray = BackendUtility::getRecord($table, $recordId);

        // language handling
        $languageField = $GLOBALS['TCA'][$table]['ctrl']['languageField'] ?? '';
        if ($languageField && !empty($recordArray[$languageField])) {
            $recordId = $this->resolvePreviewRecordId($table, $recordArray, $previewConfiguration);
            $language = $recordArray[$languageField];
            if ($language > 0) {
                $linkParameters['L'] = $language;
            }
        }

        // Always use live workspace record uid for the preview
        if (BackendUtility::isTableWorkspaceEnabled($table) && ($recordArray['t3ver_oid'] ?? 0) > 0) {
            $recordId = $recordArray['t3ver_oid'];
        }

        // map record data to GET parameters
        if (isset($previewConfiguration['fieldToParameterMap.'])) {
            foreach ($previewConfiguration['fieldToParameterMap.'] as $field => $parameterName) {
                $value = $recordArray[$field];
                if ($field === 'uid') {
                    $value = $recordId;
                }
                $linkParameters[$parameterName] = $value;
            }
        }

        // add/override parameters by configuration
        if (isset($previewConfiguration['additionalGetParameters.'])) {
            $additionalGetParameters = [];
            $this->parseAdditionalGetParameters(
                $additionalGetParameters,
                $previewConfiguration['additionalGetParameters.']
            );
            $linkParameters = array_replace($linkParameters, $additionalGetParameters);
        }

        return HttpUtility::buildQueryString($linkParameters, '&');
    }

    /**
     * @param string $table
     * @param array $recordArray
     * @param array $previewConfiguration
     *
     * @return int
     */
    protected function resolvePreviewRecordId(string $table, array $recordArray, array $previewConfiguration): int
    {
        $l10nPointer = $GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField'] ?? '';
        if ($l10nPointer
            && !empty($recordArray[$l10nPointer])
            && (
                // not set -> default to true
                !isset($previewConfiguration['useDefaultLanguageRecord'])
                // or set -> use value
                || $previewConfiguration['useDefaultLanguageRecord']
            )
        ) {
            return (int)$recordArray[$l10nPointer];
        }
        return (int)$recordArray['uid'];
    }

    /**
     * Returns the anchor section for the preview url
     *
     * @return string
     */
    protected function getPreviewUrlAnchorSection(): string
    {
        $table = ($this->previewData['table'] ?? '') ?: ($this->firstEl['table'] ?? '');
        $recordId = ($this->previewData['id'] ?? '') ?: ($this->firstEl['uid'] ?? '');

        return $table === 'tt_content' ? '#c' . (int)$recordId : '';
    }

    /**
     * Returns the preview page id
     *
     * @return int
     */
    protected function getPreviewPageId(): int
    {
        $previewPageId = 0;
        $table = ($this->previewData['table'] ?? '') ?: ($this->firstEl['table'] ?? '');
        $recordId = ($this->previewData['id'] ?? '') ?: ($this->firstEl['uid'] ?? '');
        $pageId = $this->popViewId ?: $this->viewId;

        if ($table === 'pages') {
            $currentPageId = (int)$recordId;
        } else {
            $currentPageId = MathUtility::convertToPositiveInteger($pageId);
        }

        $previewConfiguration = BackendUtility::getPagesTSconfig($currentPageId)['TCEMAIN.']['preview.'][$table . '.'] ?? [];

        if (isset($previewConfiguration['previewPageId'])) {
            $previewPageId = (int)$previewConfiguration['previewPageId'];
        }
        // if no preview page was configured
        if (!$previewPageId) {
            $rootPageData = null;
            $rootLine = BackendUtility::BEgetRootLine($currentPageId);
            $currentPage = reset($rootLine);
            // Allow all doktypes below 200
            // This makes custom doktype work as well with opening a frontend page.
            if ((int)$currentPage['doktype'] <= PageRepository::DOKTYPE_SPACER) {
                // try the current page
                $previewPageId = $currentPageId;
            } else {
                // or search for the root page
                foreach ($rootLine as $page) {
                    if ($page['is_siteroot']) {
                        $rootPageData = $page;
                        break;
                    }
                }
                $previewPageId = isset($rootPageData)
                    ? (int)$rootPageData['uid']
                    : $currentPageId;
            }
        }

        $this->popViewId = $previewPageId;

        return $previewPageId;
    }

    /**
     * Migrates a set of (possibly nested) GET parameters in TypoScript syntax to a plain array
     *
     * This basically removes the trailing dots of sub-array keys in TypoScript.
     * The result can be used to create a query string with GeneralUtility::implodeArrayForUrl().
     *
     * @param array $parameters Should be an empty array by default
     * @param array $typoScript The TypoScript configuration
     */
    protected function parseAdditionalGetParameters(array &$parameters, array $typoScript)
    {
        foreach ($typoScript as $key => $value) {
            if (is_array($value)) {
                $key = rtrim($key, '.');
                $parameters[$key] = [];
                $this->parseAdditionalGetParameters($parameters[$key], $value);
            } else {
                $parameters[$key] = $value;
            }
        }
    }

    /**
     * Main module operation
     *
     * @param ServerRequestInterface $request
     */
    protected function main(ServerRequestInterface $request): void
    {
        $body = $this->previewCode ?? '';
        // Begin edit
        if (is_array($this->editconf)) {

            $this->formResultCompiler = GeneralUtility::makeInstance(FormResultCompiler::class);

            // Creating the editing form, wrap it with buttons, document selector etc.
            $editForm = $this->makeEditForm();
            if ($editForm) {
                $this->firstEl = reset($this->elementsData);
                // Checking if the currently open document is stored in the list of "open documents" - if not, add it:
                if ((($this->docDat[1] ?? null) !== $this->storeUrlMd5 || !isset($this->docHandler[$this->storeUrlMd5]))
                    && !$this->dontStoreDocumentRef
                ) {
                    $this->docHandler[$this->storeUrlMd5] = [
                        $this->storeTitle,
                        $this->storeArray,
                        $this->storeUrl,
                        $this->firstEl
                    ];
                    $this->getBackendUser()->pushModuleData('FormEngine', [$this->docHandler, $this->storeUrlMd5]);
                    BackendUtility::setUpdateSignal('OpendocsController::updateNumber', count($this->docHandler));
                }
                $body .= $this->formResultCompiler->addCssFiles();
                $body .= $this->compileForm($editForm);
                $body .= $this->formResultCompiler->printNeededJSFunctions();
                $body .= '</form>';
            }
        }
        // Access check...
        // The page will show only if there is a valid page and if this page may be viewed by the user
        $this->pageinfo = BackendUtility::readPageAccess($this->viewId, $this->perms_clause) ?: [];
        if ($this->pageinfo !== []) {
            $this->moduleTemplate->getDocHeaderComponent()->setMetaInformation($this->pageinfo);
        }
        // Setting up the buttons and markers for doc header
        $this->getButtons($request);

        // Create language switch options if the record is already persisted
        if ($this->isSavedRecord) {
            $this->languageSwitch(
                (string)($this->firstEl['table'] ?? ''),
                (int)($this->firstEl['uid'] ?? 0),
                isset($this->firstEl['pid']) ? (int)$this->firstEl['pid'] : null
            );
        }
        $this->moduleTemplate->setContent($body);
    }

    /**
     * Creates the editing form with FormEngine, based on the input from GPvars.
     *
     * @return string HTML form elements wrapped in tables
     */
    protected function makeEditForm(): string
    {
        // Initialize variables
        $this->elementsData = [];
        $this->errorC = 0;
        $editForm = '';
        $beUser = $this->getBackendUser();
        // Traverse the GPvar edit array tables
        foreach ($this->editconf as $table => $conf) {
            if (is_array($conf) && $GLOBALS['TCA'][$table] && $beUser->check('tables_modify', $table)) {
                // Traverse the keys/comments of each table (keys can be a comma list of uids)
                foreach ($conf as $cKey => $command) {
                    if ($command === 'edit' || $command === 'new') {
                        // Get the ids:
                        $ids = GeneralUtility::trimExplode(',', $cKey, true);
                        // Traverse the ids:
                        foreach ($ids as $theUid) {
                            // Don't save this document title in the document selector if the document is new.
                            if ($command === 'new') {
                                $this->dontStoreDocumentRef = 1;
                            }

                            try {
                                $formDataGroup = GeneralUtility::makeInstance(TcaDatabaseRecord::class);
                                $formDataCompiler = GeneralUtility::makeInstance(FormDataCompiler::class, $formDataGroup);
                                $nodeFactory = GeneralUtility::makeInstance(NodeFactory::class);

                                // Reset viewId - it should hold data of last entry only
                                $this->viewId = 0;

                                $formDataCompilerInput = [
                                    'tableName' => $table,
                                    'vanillaUid' => (int)$theUid,
                                    'command' => $command,
                                    'returnUrl' => $this->R_URI,
                                ];
                                if (is_array($this->overrideVals) && is_array($this->overrideVals[$table])) {
                                    $formDataCompilerInput['overrideValues'] = $this->overrideVals[$table];
                                }
                                if (!empty($this->defVals) && is_array($this->defVals)) {
                                    $formDataCompilerInput['defaultValues'] = $this->defVals;
                                }

                                $formData = $formDataCompiler->compile($formDataCompilerInput);

                                // Set this->viewId if possible
                                if ($command === 'new'
                                    && $table !== 'pages'
                                    && !empty($formData['parentPageRow']['uid'])
                                ) {
                                    $this->viewId = $formData['parentPageRow']['uid'];
                                } else {
                                    if ($table === 'pages') {
                                        $this->viewId = $formData['databaseRow']['uid'];
                                    } elseif (!empty($formData['parentPageRow']['uid'])) {
                                        $this->viewId = $formData['parentPageRow']['uid'];
                                    }
                                }

                                // Determine if delete button can be shown
                                $deleteAccess = false;
                                if (
                                    $command === 'edit'
                                    || $command === 'new'
                                ) {
                                    $permission = new Permission($formData['userPermissionOnPage']);
                                    if ($formData['tableName'] === 'pages') {
                                        $deleteAccess = $permission->get(Permission::PAGE_DELETE);
                                    } else {
                                        $deleteAccess = $permission->get(Permission::CONTENT_EDIT);
                                    }
                                }

                                // Display "is-locked" message
                                if ($command === 'edit') {
                                    $lockInfo = BackendUtility::isRecordLocked($table, $formData['databaseRow']['uid']);
                                    if ($lockInfo) {
                                        $flashMessage = GeneralUtility::makeInstance(
                                            FlashMessage::class,
                                            $lockInfo['msg'],
                                            '',
                                            FlashMessage::WARNING
                                        );
                                        $flashMessageService = GeneralUtility::makeInstance(FlashMessageService::class);
                                        $defaultFlashMessageQueue = $flashMessageService->getMessageQueueByIdentifier();
                                        $defaultFlashMessageQueue->enqueue($flashMessage);
                                    }
                                }

                                // Record title
                                if (!$this->storeTitle) {
                                    $this->storeTitle = htmlspecialchars($this->recTitle ?: ($formData['recordTitle'] ?? ''));
                                }

                                $this->elementsData[] = [
                                    'table' => $table,
                                    'uid' => $formData['databaseRow']['uid'],
                                    'pid' => $formData['databaseRow']['pid'],
                                    'cmd' => $command,
                                    'deleteAccess' => $deleteAccess
                                ];

                                if ($command !== 'new') {
                                    BackendUtility::lockRecords($table, $formData['databaseRow']['uid'], $table === 'tt_content' ? $formData['databaseRow']['pid'] : 0);
                                }

                                // Set list if only specific fields should be rendered. This will trigger
                                // ListOfFieldsContainer instead of FullRecordContainer in OuterWrapContainer
                                if ($this->columnsOnly) {
                                    if (is_array($this->columnsOnly)) {
                                        $formData['fieldListToRender'] = $this->columnsOnly[$table];
                                    } else {
                                        $formData['fieldListToRender'] = $this->columnsOnly;
                                    }
                                }

                                $formData['renderType'] = 'outerWrapContainer';
                                $formResult = $nodeFactory->create($formData)->render();

                                $html = $formResult['html'];

                                $formResult['html'] = '';
                                $formResult['doSaveFieldName'] = 'doSave';

                                // @todo: Put all the stuff into FormEngine as final "compiler" class
                                // @todo: This is done here for now to not rewrite addCssFiles()
                                // @todo: and printNeededJSFunctions() now
                                $this->formResultCompiler->mergeResult($formResult);

                                // Seems the pid is set as hidden field (again) at end?!
                                if ($command === 'new') {
                                    // @todo: looks ugly
                                    $html .= LF
                                        . '<input type="hidden"'
                                        . ' name="data[' . htmlspecialchars($table) . '][' . htmlspecialchars($formData['databaseRow']['uid']) . '][pid]"'
                                        . ' value="' . (int)$formData['databaseRow']['pid'] . '" />';
                                }

                                $editForm .= $html;
                            } catch (AccessDeniedException $e) {
                                $this->errorC++;
                                // Try to fetch error message from "recordInternals" be user object
                                // @todo: This construct should be logged and localized and de-uglified
                                $message = (!empty($beUser->errorMsg)) ? $beUser->errorMsg : $e->getMessage() . ' ' . $e->getCode();
                                $title = $this->getLanguageService()
                                    ->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.noEditPermission');
                                $editForm .= $this->getInfobox($message, $title);
                            } catch (DatabaseRecordException | DatabaseRecordWorkspaceDeletePlaceholderException $e) {
                                $editForm .= $this->getInfobox($e->getMessage());
                            }
                        } // End of for each uid
                    }
                }
            }
        }
        return $editForm;
    }

    /**
     * Helper function for rendering an Infobox
     *
     * @param string $message
     * @param string|null $title
     * @return string
     */
    protected function getInfobox(string $message, ?string $title = null): string
    {
        return '<div class="callout callout-danger">' .
                '<div class="media">' .
                    '<div class="media-left">' .
                        '<span class="fa-stack fa-lg callout-icon">' .
                            '<i class="fa fa-circle fa-stack-2x"></i>' .
                            '<i class="fa fa-times fa-stack-1x"></i>' .
                        '</span>' .
                    '</div>' .
                    '<div class="media-body">' .
                        ($title ? '<h4 class="callout-title">' . htmlspecialchars($title) . '</h4>' : '') .
                        '<div class="callout-body">' . htmlspecialchars($message) . '</div>' .
                    '</div>' .
                '</div>' .
            '</div>';
    }

    /**
     * Create the panel of buttons for submitting the form or otherwise perform operations.
     *
     * @param ServerRequestInterface $request
     */
    protected function getButtons(ServerRequestInterface $request): void
    {
        $record = BackendUtility::getRecord($this->firstEl['table'], $this->firstEl['uid']);
        $TCActrl = $GLOBALS['TCA'][$this->firstEl['table']]['ctrl'];

        $this->setIsSavedRecord();

        $sysLanguageUid = 0;
        if (
            $this->isSavedRecord
            && isset($TCActrl['languageField'], $record[$TCActrl['languageField']])
        ) {
            $sysLanguageUid = (int)$record[$TCActrl['languageField']];
        } elseif (isset($this->defVals['sys_language_uid'])) {
            $sysLanguageUid = (int)$this->defVals['sys_language_uid'];
        }

        $l18nParent = isset($TCActrl['transOrigPointerField'], $record[$TCActrl['transOrigPointerField']])
            ? (int)$record[$TCActrl['transOrigPointerField']]
            : 0;

        $this->setIsPageInFreeTranslationMode($record, $sysLanguageUid);

        $buttonBar = $this->moduleTemplate->getDocHeaderComponent()->getButtonBar();

        $this->registerCloseButtonToButtonBar($buttonBar, ButtonBar::BUTTON_POSITION_LEFT, 1);

        // Show buttons when table is not read-only
        if (
            !$this->errorC
            && !($GLOBALS['TCA'][$this->firstEl['table']]['ctrl']['readOnly'] ?? false)
        ) {
            $this->registerSaveButtonToButtonBar($buttonBar, ButtonBar::BUTTON_POSITION_LEFT, 2);
            $this->registerViewButtonToButtonBar($buttonBar, ButtonBar::BUTTON_POSITION_LEFT, 3);
            if ($this->firstEl['cmd'] !== 'new') {
                $this->registerNewButtonToButtonBar(
                    $buttonBar,
                    ButtonBar::BUTTON_POSITION_LEFT,
                    4,
                    $sysLanguageUid,
                    $l18nParent
                );
                $this->registerDuplicationButtonToButtonBar(
                    $buttonBar,
                    ButtonBar::BUTTON_POSITION_LEFT,
                    5,
                    $sysLanguageUid,
                    $l18nParent
                );
            }
            $this->registerDeleteButtonToButtonBar($buttonBar, ButtonBar::BUTTON_POSITION_LEFT, 6);
            $this->registerColumnsOnlyButtonToButtonBar($buttonBar, ButtonBar::BUTTON_POSITION_LEFT, 7);
            $this->registerHistoryButtonToButtonBar($buttonBar, ButtonBar::BUTTON_POSITION_RIGHT, 1);
        }

        $this->registerOpenInNewWindowButtonToButtonBar($buttonBar, ButtonBar::BUTTON_POSITION_RIGHT, 2);
        $this->registerShortcutButtonToButtonBar($buttonBar, ButtonBar::BUTTON_POSITION_RIGHT, 3, $request);
        $this->registerCshButtonToButtonBar($buttonBar, ButtonBar::BUTTON_POSITION_RIGHT, 4);
    }

    /**
     * Set the boolean to check if the record is saved
     */
    protected function setIsSavedRecord()
    {
        if (!is_bool($this->isSavedRecord)) {

            $this->isSavedRecord = (
                $this->firstEl['cmd'] !== 'new'
                && MathUtility::canBeInterpretedAsInteger($this->firstEl['uid'])
            );
        }
    }

    /**
     * Returns if inconsistent language handling is allowed
     *
     * @return bool
     */
    protected function isInconsistentLanguageHandlingAllowed(): bool
    {
        $allowInconsistentLanguageHandling = BackendUtility::getPagesTSconfig(
            $this->pageinfo['uid'] ?? 0
        )['mod']['web_layout']['allowInconsistentLanguageHandling'] ?? ['value' => '0'];

        return $allowInconsistentLanguageHandling['value'] === '1';
    }

    /**
     * Set the boolean to check if the page is in free translation mode
     *
     * @param array|null $record
     * @param int $sysLanguageUid
     */
    protected function setIsPageInFreeTranslationMode($record, int $sysLanguageUid)
    {
        if ($this->firstEl['table'] === 'tt_content') {
            if (!$this->isSavedRecord) {
                $this->isPageInFreeTranslationMode = $this->getFreeTranslationMode(
                    (int)($this->pageinfo['uid'] ?? 0),
                    (int)($this->defVals['colPos'] ?? 0),
                    $sysLanguageUid
                );
            } else {
                $this->isPageInFreeTranslationMode = $this->getFreeTranslationMode(
                    (int)($this->pageinfo['uid'] ?? 0),
                    (int)($record['colPos'] ?? 0),
                    $sysLanguageUid
                );
            }
        }
    }

    /**
     * Check if the page is in free translation mode
     *
     * @param int $page
     * @param int $column
     * @param int $language
     * @return bool
     */
    protected function getFreeTranslationMode(int $page, int $column, int $language): bool
    {
        $freeTranslationMode = false;

        if (
            $this->getConnectedContentElementTranslationsCount($page, $column, $language) === 0
            && $this->getStandAloneContentElementTranslationsCount($page, $column, $language) >= 0
        ) {
            $freeTranslationMode = true;
        }

        return $freeTranslationMode;
    }

    /**
     * Register the close button to the button bar
     *
     * @param ButtonBar $buttonBar
     * @param string $position
     * @param int $group
     */
    protected function registerCloseButtonToButtonBar(ButtonBar $buttonBar, string $position, int $group)
    {
        $closeButton = $buttonBar->makeLinkButton()
            ->setHref('#')
            ->setClasses('t3js-editform-close')
            ->setTitle($this->getLanguageService()->sL(
                'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:rm.closeDoc'
            ))
            ->setShowLabelText(true)
            ->setIcon($this->iconFactory->getIcon('actions-close', Icon::SIZE_SMALL));

        $buttonBar->addButton($closeButton, $position, $group);
    }

    /**
     * Register the save button to the button bar
     *
     * @param ButtonBar $buttonBar
     * @param string $position
     * @param int $group
     */
    protected function registerSaveButtonToButtonBar(ButtonBar $buttonBar, string $position, int $group)
    {
        $saveButton = $buttonBar->makeInputButton()
            ->setForm('EditDocumentController')
            ->setIcon($this->iconFactory->getIcon('actions-document-save', Icon::SIZE_SMALL))
            ->setName('_savedok')
            ->setShowLabelText(true)
            ->setTitle($this->getLanguageService()->sL(
                'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:rm.saveDoc'
            ))
            ->setValue('1');

        $buttonBar->addButton($saveButton, $position, $group);
    }

    /**
     * Register the view button to the button bar
     *
     * @param ButtonBar $buttonBar
     * @param string $position
     * @param int $group
     */
    protected function registerViewButtonToButtonBar(ButtonBar $buttonBar, string $position, int $group)
    {
        if (
            $this->viewId // Pid to show the record
            && !$this->noView // Passed parameter
            && !empty($this->firstEl['table']) // No table

            // @TODO: TsConfig option should change to viewDoc
            && $this->getTsConfigOption($this->firstEl['table'], 'saveDocView')
        ) {
            $classNames = 't3js-editform-view';

            $pagesTSconfig = BackendUtility::getPagesTSconfig($this->pageinfo['uid']);

            if (isset($pagesTSconfig['TCEMAIN.']['preview.']['disableButtonForDokType'])) {
                $excludeDokTypes = GeneralUtility::intExplode(
                    ',',
                    $pagesTSconfig['TCEMAIN.']['preview.']['disableButtonForDokType'],
                    true
                );
            } else {
                // exclude sysfolders, spacers and recycler by default
                $excludeDokTypes = [
                    PageRepository::DOKTYPE_RECYCLER,
                    PageRepository::DOKTYPE_SYSFOLDER,
                    PageRepository::DOKTYPE_SPACER
                ];
            }

            if (
                !in_array((int)$this->pageinfo['doktype'], $excludeDokTypes, true)
                || isset($pagesTSconfig['TCEMAIN.']['preview.'][$this->firstEl['table'] . '.']['previewPageId'])
            ) {
                $previewPageId = $this->getPreviewPageId();
                try {
                    $previewUrl = BackendUtility::getPreviewUrl(
                        $previewPageId,
                        '',
                        BackendUtility::BEgetRootLine($previewPageId),
                        $this->getPreviewUrlAnchorSection(),
                        $this->viewUrl,
                        $this->getPreviewUrlParameters($previewPageId)
                    );

                    $viewButton = $buttonBar->makeLinkButton()
                        ->setHref($previewUrl)
                        ->setIcon($this->iconFactory->getIcon('actions-view', Icon::SIZE_SMALL))
                        ->setShowLabelText(true)
                        ->setTitle($this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:rm.viewDoc'));

                    if (!$this->isSavedRecord) {
                        if ($this->firstEl['table'] === 'pages') {
                            $viewButton->setDataAttributes(['is-new' => '']);
                        }
                    }

                    if ($classNames !== '') {

                        $viewButton->setClasses($classNames);
                    }

                    $buttonBar->addButton($viewButton, $position, $group);
                } catch (UnableToLinkToPageException $e) {
                    // Do not add any button
                }
            }
        }
    }

    /**
     * Register the new button to the button bar
     *
     * @param ButtonBar $buttonBar
     * @param string $position
     * @param int $group
     * @param int $sysLanguageUid
     * @param int $l18nParent
     */
    protected function registerNewButtonToButtonBar(
        ButtonBar $buttonBar,
        string $position,
        int $group,
        int $sysLanguageUid,
        int $l18nParent
    ) {
        if (
            $this->firstEl['table'] !== 'sys_file_metadata'
            && !empty($this->firstEl['table'])
            && (
                (
                    (
                        $this->isInconsistentLanguageHandlingAllowed()
                        || $this->isPageInFreeTranslationMode
                    )
                    && $this->firstEl['table'] === 'tt_content'
                )
                || (
                    $this->firstEl['table'] !== 'tt_content'
                    && (
                        $sysLanguageUid === 0
                        || $l18nParent === 0
                    )
                )
            )
            && $this->getTsConfigOption($this->firstEl['table'], 'saveDocNew')
        ) {
            $classNames = 't3js-editform-new';

            $newButton = $buttonBar->makeLinkButton()
                ->setHref('#')
                ->setIcon($this->iconFactory->getIcon('actions-add', Icon::SIZE_SMALL))
                ->setShowLabelText(true)
                ->setTitle($this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:rm.newDoc'));

            if (!$this->isSavedRecord) {
                $newButton->setDataAttributes(['is-new' => '']);
            }

            if ($classNames !== '') {

                $newButton->setClasses($classNames);
            }

            $buttonBar->addButton($newButton, $position, $group);
        }
    }

    /**
     * Register the duplication button to the button bar
     *
     * @param ButtonBar $buttonBar
     * @param string $position
     * @param int $group
     * @param int $sysLanguageUid
     * @param int $l18nParent
     */
    protected function registerDuplicationButtonToButtonBar(
        ButtonBar $buttonBar,
        string $position,
        int $group,
        int $sysLanguageUid,
        int $l18nParent
    ) {
        if (
            $this->firstEl['table'] !== 'sys_file_metadata'
            && !empty($this->firstEl['table'])
            && (
                (
                    (
                        $this->isInconsistentLanguageHandlingAllowed()
                        || $this->isPageInFreeTranslationMode
                    )
                    && $this->firstEl['table'] === 'tt_content'
                )
                || (
                    $this->firstEl['table'] !== 'tt_content'
                    && (
                        $sysLanguageUid === 0
                        || $l18nParent === 0
                    )
                )
            )
            && $this->getTsConfigOption($this->firstEl['table'], 'showDuplicate')
        ) {
            $classNames = 't3js-editform-duplicate';

            $duplicateButton = $buttonBar->makeLinkButton()
                ->setHref('#')
                ->setShowLabelText(true)
                ->setTitle($this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:rm.duplicateDoc'))
                ->setIcon($this->iconFactory->getIcon('actions-document-duplicates-select', Icon::SIZE_SMALL));

            if (!$this->isSavedRecord) {
                $duplicateButton->setDataAttributes(['is-new' => '']);
            }

            if ($classNames !== '') {

                $duplicateButton->setClasses($classNames);
            }

            $buttonBar->addButton($duplicateButton, $position, $group);
        }
    }

    /**
     * Register the delete button to the button bar
     *
     * @param ButtonBar $buttonBar
     * @param string $position
     * @param int $group
     */
    protected function registerDeleteButtonToButtonBar(ButtonBar $buttonBar, string $position, int $group)
    {
        if (
            $this->firstEl['deleteAccess']
            && !$this->getDisableDelete()
            && !$this->isRecordCurrentBackendUser()
            && $this->isSavedRecord
            && count($this->elementsData) === 1
        ) {
            $classNames = 't3js-editform-delete-record';
            $returnUrl = $this->retUrl;
            if ($this->firstEl['table'] === 'pages') {
                parse_str((string)parse_url($returnUrl, PHP_URL_QUERY), $queryParams);
                if (
                    isset($queryParams['route'], $queryParams['id'])
                    && (string)$this->firstEl['uid'] === (string)$queryParams['id']
                ) {
                    // TODO: Use the page's pid instead of 0, this requires a clean API to manipulate the page
                    // tree from the outside to be able to mark the pid as active
                    $returnUrl = (string)$this->uriBuilder->buildUriFromRoutePath($queryParams['route'], ['id' => 0]);
                }
            }

            /** @var ReferenceIndex $referenceIndex */
            $referenceIndex = GeneralUtility::makeInstance(ReferenceIndex::class);
            $numberOfReferences = $referenceIndex->getNumberOfReferencedRecords(
                $this->firstEl['table'],
                (int)$this->firstEl['uid']
            );

            $referenceCountMessage = BackendUtility::referenceCount(
                $this->firstEl['table'],
                (string)(int)$this->firstEl['uid'],
                $this->getLanguageService()->sL(
                    'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.referencesToRecord'
                ),
                (string)$numberOfReferences
            );
            $translationCountMessage = BackendUtility::translationCount(
                $this->firstEl['table'],
                (string)(int)$this->firstEl['uid'],
                $this->getLanguageService()->sL(
                    'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.translationsOfRecord'
                )
            );

            $deleteUrl = (string)$this->uriBuilder->buildUriFromRoute('tce_db', [
                'cmd' => [
                    $this->firstEl['table'] => [
                        $this->firstEl['uid'] => [
                            'delete' => '1'
                        ]
                    ]
                ],
                'redirect' => $this->retUrl
            ]);

            $deleteButton = $buttonBar->makeLinkButton()
                ->setClasses($classNames)
                ->setDataAttributes([
                    'return-url' => $returnUrl,
                    'uid' => $this->firstEl['uid'],
                    'table' => $this->firstEl['table'],
                    'reference-count-message' => $referenceCountMessage,
                    'translation-count-message' => $translationCountMessage
                ])
                ->setHref($deleteUrl)
                ->setIcon($this->iconFactory->getIcon('actions-edit-delete', Icon::SIZE_SMALL))
                ->setShowLabelText(true)
                ->setTitle($this->getLanguageService()->getLL('deleteItem'));

            $buttonBar->addButton($deleteButton, $position, $group);
        }
    }

    /**
     * Register the history button to the button bar
     *
     * @param ButtonBar $buttonBar
     * @param string $position
     * @param int $group
     */
    protected function registerHistoryButtonToButtonBar(ButtonBar $buttonBar, string $position, int $group)
    {
        if (
            count($this->elementsData) === 1
            && !empty($this->firstEl['table'])
            && $this->getTsConfigOption($this->firstEl['table'], 'showHistory')
        ) {
            $historyUrl = (string)$this->uriBuilder->buildUriFromRoute('record_history', [
                'element' => $this->firstEl['table'] . ':' . $this->firstEl['uid'],
                'returnUrl' => $this->R_URI,
            ]);
            $historyButton = $buttonBar->makeLinkButton()
                ->setHref($historyUrl)
                ->setTitle('Open history of this record')
                ->setIcon($this->iconFactory->getIcon('actions-document-history-open', Icon::SIZE_SMALL));

            $buttonBar->addButton($historyButton, $position, $group);
        }
    }

    /**
     * Register the columns only button to the button bar
     *
     * @param ButtonBar $buttonBar
     * @param string $position
     * @param int $group
     */
    protected function registerColumnsOnlyButtonToButtonBar(ButtonBar $buttonBar, string $position, int $group)
    {
        if (
            $this->columnsOnly
            && count($this->elementsData) === 1
        ) {
            $columnsOnlyButton = $buttonBar->makeLinkButton()
                ->setHref($this->R_URI . '&columnsOnly=')
                ->setTitle($this->getLanguageService()->getLL('editWholeRecord'))
                ->setIcon($this->iconFactory->getIcon('actions-open', Icon::SIZE_SMALL));

            $buttonBar->addButton($columnsOnlyButton, $position, $group);
        }
    }

    /**
     * Register the open in new window button to the button bar
     *
     * @param ButtonBar $buttonBar
     * @param string $position
     * @param int $group
     */
    protected function registerOpenInNewWindowButtonToButtonBar(ButtonBar $buttonBar, string $position, int $group)
    {
        $closeUrl = $this->getCloseUrl();
        if ($this->returnUrl !== $closeUrl) {
            $requestUri = GeneralUtility::linkThisScript([
                'returnUrl' => $closeUrl,
            ]);
            $aOnClick = 'vHWin=window.open('
                . GeneralUtility::quoteJSvalue($requestUri) . ','
                . GeneralUtility::quoteJSvalue(md5($this->R_URI))
                . ',\'width=670,height=500,status=0,menubar=0,scrollbars=1,resizable=1\');vHWin.focus();return false;';

            $openInNewWindowButton = $this->moduleTemplate->getDocHeaderComponent()->getButtonBar()
                ->makeLinkButton()
                ->setHref('#')
                ->setTitle($this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.openInNewWindow'))
                ->setIcon($this->iconFactory->getIcon('actions-window-open', Icon::SIZE_SMALL))
                ->setOnClick($aOnClick);

            $buttonBar->addButton($openInNewWindowButton, $position, $group);
        }
    }

    /**
     * Register the shortcut button to the button bar
     *
     * @param ButtonBar $buttonBar
     * @param string $position
     * @param int $group
     * @param ServerRequestInterface $request
     */
    protected function registerShortcutButtonToButtonBar(ButtonBar $buttonBar, string $position, int $group, ServerRequestInterface $request)
    {
        if ($this->returnUrl !== $this->getCloseUrl()) {
            $queryParams = $request->getQueryParams();
            $potentialArguments = [
                'edit',
                'defVals',
                'overrideVals',
                'columnsOnly',
                'returnNewPageId',
                'noView'
            ];
            $arguments = [];
            foreach ($potentialArguments as $argument) {
                if (!empty($queryParams[$argument])) {
                    $arguments[$argument] = $queryParams[$argument];
                }
            }
            $shortCutButton = $this->moduleTemplate->getDocHeaderComponent()->getButtonBar()->makeShortcutButton();
            $shortCutButton
                ->setRouteIdentifier('record_edit')
                ->setDisplayName($this->getShortcutTitle($request))
                ->setArguments($arguments);
            $buttonBar->addButton($shortCutButton, $position, $group);
        }
    }

    /**
     * Register the CSH button to the button bar
     *
     * @param ButtonBar $buttonBar
     * @param string $position
     * @param int $group
     */
    protected function registerCshButtonToButtonBar(ButtonBar $buttonBar, string $position, int $group)
    {
        $cshButton = $buttonBar->makeHelpButton()->setModuleName('xMOD_csh_corebe')->setFieldName('TCEforms');

        $buttonBar->addButton($cshButton, $position, $group);
    }

    /**
     * Get the count of connected translated content elements
     *
     * @param int $page
     * @param int $column
     * @param int $language
     * @return int
     */
    protected function getConnectedContentElementTranslationsCount(int $page, int $column, int $language): int
    {
        $queryBuilder = $this->getQueryBuilderForTranslationMode($page, $column, $language);

        return (int)$queryBuilder
            ->andWhere(
                $queryBuilder->expr()->gt(
                    $GLOBALS['TCA']['tt_content']['ctrl']['transOrigPointerField'],
                    $queryBuilder->createNamedParameter(0, \PDO::PARAM_INT)
                )
            )
            ->execute()
            ->fetchColumn(0);
    }

    /**
     * Get the count of standalone translated content elements
     *
     * @param int $page
     * @param int $column
     * @param int $language
     * @return int
     */
    protected function getStandAloneContentElementTranslationsCount(int $page, int $column, int $language): int
    {
        $queryBuilder = $this->getQueryBuilderForTranslationMode($page, $column, $language);

        return (int)$queryBuilder
            ->andWhere(
                $queryBuilder->expr()->eq(
                    $GLOBALS['TCA']['tt_content']['ctrl']['transOrigPointerField'],
                    $queryBuilder->createNamedParameter(0, \PDO::PARAM_INT)
                )
            )
            ->execute()
            ->fetchColumn(0);
    }

    /**
     * Get the query builder for the translation mode
     *
     * @param int $page
     * @param int $column
     * @param int $language
     * @return QueryBuilder
     */
    protected function getQueryBuilderForTranslationMode(int $page, int $column, int $language): QueryBuilder
    {
        $languageField = $GLOBALS['TCA']['tt_content']['ctrl']['languageField'];

        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
            ->getQueryBuilderForTable('tt_content');

        $queryBuilder->getRestrictions()
            ->removeAll()
            ->add(GeneralUtility::makeInstance(DeletedRestriction::class))
            ->add(GeneralUtility::makeInstance(WorkspaceRestriction::class, $this->getBackendUser()->workspace));

        return $queryBuilder
            ->count('uid')
            ->from('tt_content')
            ->where(
                $queryBuilder->expr()->eq(
                    'pid',
                    $queryBuilder->createNamedParameter($page, \PDO::PARAM_INT)
                ),
                $queryBuilder->expr()->eq(
                    $languageField,
                    $queryBuilder->createNamedParameter($language, \PDO::PARAM_INT)
                ),
                $queryBuilder->expr()->eq(
                    'colPos',
                    $queryBuilder->createNamedParameter($column, \PDO::PARAM_INT)
                )
            );
    }

    /**
     * Put together the various elements (buttons, selectors, form) into a table
     *
     * @param string $editForm HTML form.
     * @return string Composite HTML
     */
    protected function compileForm(string $editForm): string
    {
        $formContent = '
            <form
                action="' . htmlspecialchars($this->R_URI) . '"
                method="post"
                enctype="multipart/form-data"
                name="editform"
                id="EditDocumentController"
            >
            ' . $editForm . '
            <input type="hidden" name="returnUrl" value="' . htmlspecialchars($this->retUrl) . '" />
            <input type="hidden" name="viewUrl" value="' . htmlspecialchars($this->viewUrl) . '" />
            <input type="hidden" name="popViewId" value="' . htmlspecialchars((string)$this->viewId) . '" />
            <input type="hidden" name="closeDoc" value="0" />
            <input type="hidden" name="doSave" value="0" />';
        if ($this->returnNewPageId) {
            $formContent .= '<input type="hidden" name="returnNewPageId" value="1" />';
        }
        return $formContent;
    }

    /**
     * Update expanded/collapsed states on new inline records if any within backendUser->uc.
     *
     * @param array|null $uc The uc array to be processed and saved - uc[inlineView][...]
     * @param DataHandler $dataHandler Instance of DataHandler that saved data before
     */
    protected function updateInlineView($uc, DataHandler $dataHandler)
    {
        $backendUser = $this->getBackendUser();
        if (!isset($uc['inlineView']) || !is_array($uc['inlineView'])) {
            return;
        }
        $inlineView = (array)json_decode(is_string($backendUser->uc['inlineView'] ?? false) ? $backendUser->uc['inlineView'] : '', true);
        foreach ($uc['inlineView'] as $topTable => $topRecords) {
            foreach ($topRecords as $topUid => $childElements) {
                foreach ($childElements as $childTable => $childRecords) {
                    $uids = array_keys($dataHandler->substNEWwithIDs_table, $childTable);
                    if (!empty($uids)) {
                        $newExpandedChildren = [];
                        foreach ($childRecords as $childUid => $state) {
                            if ($state && in_array($childUid, $uids)) {
                                $newChildUid = $dataHandler->substNEWwithIDs[$childUid];
                                $newExpandedChildren[] = $newChildUid;
                            }
                        }
                        // Add new expanded child records to UC (if any):
                        if (!empty($newExpandedChildren)) {
                            $inlineViewCurrent = &$inlineView[$topTable][$topUid][$childTable];
                            if (is_array($inlineViewCurrent)) {
                                $inlineViewCurrent = array_unique(array_merge($inlineViewCurrent, $newExpandedChildren));
                            } else {
                                $inlineViewCurrent = $newExpandedChildren;
                            }
                        }
                    }
                }
            }
        }
        $backendUser->uc['inlineView'] = json_encode($inlineView);
        $backendUser->writeUC();
    }
    /**
     * Returns if delete for the current table is disabled by configuration.
     * For sys_file_metadata in default language delete is always disabled.
     *
     * @return bool
     */
    protected function getDisableDelete(): bool
    {
        $disableDelete = false;
        if ($this->firstEl['table'] === 'sys_file_metadata') {
            $row = BackendUtility::getRecord('sys_file_metadata', $this->firstEl['uid'], 'sys_language_uid');
            $languageUid = $row['sys_language_uid'];
            if ($languageUid === 0) {
                $disableDelete = true;
            }
        } else {
            $disableDelete = (bool)$this->getTsConfigOption($this->firstEl['table'] ?? '', 'disableDelete');
        }
        return $disableDelete;
    }

    /**
     * Return true in case the current record is the current backend user
     *
     * @return bool
     */
    protected function isRecordCurrentBackendUser(): bool
    {
        $backendUser = $this->getBackendUser();

        return $this->firstEl['table'] === 'be_users'
            && (int)($this->firstEl['uid'] ?? 0) === (int)$backendUser->user[$backendUser->userid_column];
    }

    /**
     * Returns the URL (usually for the "returnUrl") which closes the current window.
     * Used when editing a record in a popup.
     *
     * @return string
     */
    protected function getCloseUrl(): string
    {
        $closeUrl = GeneralUtility::getFileAbsFileName('EXT:backend/Resources/Public/Html/Close.html');
        return PathUtility::getAbsoluteWebPath($closeUrl);
    }

    /***************************
     *
     * Localization stuff
     *
     ***************************/
    /**
     * Make selector box for creating new translation for a record or switching to edit the record
     * in an existing language. Displays only languages which are available for the current page.
     *
     * @param string $table Table name
     * @param int $uid Uid for which to create a new language
     * @param int|null $pid Pid of the record
     */
    protected function languageSwitch(string $table, int $uid, $pid = null)
    {
        $backendUser = $this->getBackendUser();
        $languageField = $GLOBALS['TCA'][$table]['ctrl']['languageField'] ?? '';
        $transOrigPointerField = $GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField'] ?? '';
        // Table editable and activated for languages?
        if ($backendUser->check('tables_modify', $table)
            && $languageField
            && $transOrigPointerField
        ) {
            if ($pid === null) {
                $row = BackendUtility::getRecord($table, $uid, 'pid');
                $pid = $row['pid'];
            }
            // Get all available languages for the page
            // If editing a page, the translations of the current UID need to be fetched
            if ($table === 'pages') {
                $row = BackendUtility::getRecord($table, $uid, $GLOBALS['TCA']['pages']['ctrl']['transOrigPointerField']);
                // Ensure the check is always done against the default language page
                $availableLanguages = $this->getLanguages(
                    (int)$row[$GLOBALS['TCA']['pages']['ctrl']['transOrigPointerField']] ?: $uid,
                    $table
                );
            } else {
                $availableLanguages = $this->getLanguages((int)$pid, $table);
            }
            // Page available in other languages than default language?
            if (count($availableLanguages) > 1) {
                $rowsByLang = [];
                $fetchFields = 'uid,' . $languageField . ',' . $transOrigPointerField;
                // Get record in current language
                $rowCurrent = BackendUtility::getLiveVersionOfRecord($table, $uid, $fetchFields);
                if (!is_array($rowCurrent)) {
                    $rowCurrent = BackendUtility::getRecord($table, $uid, $fetchFields);
                }
                $currentLanguage = (int)$rowCurrent[$languageField];
                // Disabled for records with [all] language!
                if ($currentLanguage > -1) {
                    // Get record in default language if needed
                    if ($currentLanguage && $rowCurrent[$transOrigPointerField]) {
                        $rowsByLang[0] = BackendUtility::getLiveVersionOfRecord(
                            $table,
                            $rowCurrent[$transOrigPointerField],
                            $fetchFields
                        );
                        if (!is_array($rowsByLang[0])) {
                            $rowsByLang[0] = BackendUtility::getRecord(
                                $table,
                                $rowCurrent[$transOrigPointerField],
                                $fetchFields
                            );
                        }
                    } else {
                        $rowsByLang[$rowCurrent[$languageField]] = $rowCurrent;
                    }
                    // List of language id's that should not be added to the selector
                    $noAddOption = [];
                    if ($rowCurrent[$transOrigPointerField] || $currentLanguage === 0) {
                        // Get record in other languages to see what's already available

                        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
                            ->getQueryBuilderForTable($table);

                        $queryBuilder->getRestrictions()
                            ->removeAll()
                            ->add(GeneralUtility::makeInstance(DeletedRestriction::class))
                            ->add(GeneralUtility::makeInstance(WorkspaceRestriction::class, $backendUser->workspace));

                        $result = $queryBuilder->select(...GeneralUtility::trimExplode(',', $fetchFields, true))
                            ->from($table)
                            ->where(
                                $queryBuilder->expr()->eq(
                                    'pid',
                                    $queryBuilder->createNamedParameter($pid, \PDO::PARAM_INT)
                                ),
                                $queryBuilder->expr()->gt(
                                    $languageField,
                                    $queryBuilder->createNamedParameter(0, \PDO::PARAM_INT)
                                ),
                                $queryBuilder->expr()->eq(
                                    $transOrigPointerField,
                                    $queryBuilder->createNamedParameter($rowsByLang[0]['uid'], \PDO::PARAM_INT)
                                )
                            )
                            ->execute();

                        while ($row = $result->fetch()) {
                            if ($backendUser->workspace !== 0 && BackendUtility::isTableWorkspaceEnabled($table)) {
                                $workspaceVersion = BackendUtility::getWorkspaceVersionOfRecord($backendUser->workspace, $table, $row['uid'], 'uid,t3ver_state');
                                if (!empty($workspaceVersion)) {
                                    $versionState = VersionState::cast($workspaceVersion['t3ver_state']);
                                    if ($versionState->equals(VersionState::DELETE_PLACEHOLDER)) {
                                        // If a workspace delete placeholder exists for this translation: Mark
                                        // this language as "don't add to selector" and continue with next row,
                                        // otherwise an edit link to a delete placeholder would be created, which
                                        // does not make sense.
                                        $noAddOption[] = (int)$row[$languageField];
                                        continue;
                                    }
                                }
                            }
                            $rowsByLang[$row[$languageField]] = $row;
                        }
                    }
                    $languageMenu = $this->moduleTemplate->getDocHeaderComponent()->getMenuRegistry()->makeMenu();
                    $languageMenu->setIdentifier('_langSelector');
                    foreach ($availableLanguages as $language) {
                        $languageId = $language->getLanguageId();
                        $selectorOptionLabel = $language->getTitle();
                        // Create url for creating a localized record
                        $addOption = true;
                        $href = '';
                        if (!isset($rowsByLang[$languageId])) {
                            // Translation in this language does not exist
                            $selectorOptionLabel .= ' [' . htmlspecialchars($this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.new')) . ']';
                            $redirectUrl = (string)$this->uriBuilder->buildUriFromRoute('record_edit', [
                                'justLocalized' => $table . ':' . $rowsByLang[0]['uid'] . ':' . $languageId,
                                'returnUrl' => $this->retUrl
                            ]);

                            if (array_key_exists(0, $rowsByLang)) {
                                $href = BackendUtility::getLinkToDataHandlerAction(
                                    '&cmd[' . $table . '][' . $rowsByLang[0]['uid'] . '][localize]=' . $languageId,
                                    $redirectUrl
                                );
                            } else {
                                $addOption = false;
                            }
                        } else {
                            $params = [
                                'edit[' . $table . '][' . $rowsByLang[$languageId]['uid'] . ']' => 'edit',
                                'returnUrl' => $this->retUrl
                            ];
                            if ($table === 'pages') {
                                // Disallow manual adjustment of the language field for pages
                                $params['overrideVals'] = [
                                    'pages' => [
                                        'sys_language_uid' => $languageId
                                    ]
                                ];
                            }
                            $href = (string)$this->uriBuilder->buildUriFromRoute('record_edit', $params);
                        }
                        if ($addOption && !in_array($languageId, $noAddOption, true)) {
                            $menuItem = $languageMenu->makeMenuItem()
                                ->setTitle($selectorOptionLabel)
                                ->setHref($href);
                            if ($languageId === $currentLanguage) {
                                $menuItem->setActive(true);
                            }
                            $languageMenu->addMenuItem($menuItem);
                        }
                    }
                    $this->moduleTemplate->getDocHeaderComponent()->getMenuRegistry()->addMenu($languageMenu);
                }
            }
        }
    }

    /**
     * Redirects to FormEngine with new parameters to edit a just created localized record
     *
     * @param ServerRequestInterface $request Incoming request object
     * @return ResponseInterface|null Possible redirect response
     */
    protected function localizationRedirect(ServerRequestInterface $request): ?ResponseInterface
    {
        $justLocalized = $request->getQueryParams()['justLocalized'] ?? null;

        if (empty($justLocalized)) {
            return null;
        }

        [$table, $origUid, $language] = explode(':', $justLocalized);

        if ($GLOBALS['TCA'][$table]
            && $GLOBALS['TCA'][$table]['ctrl']['languageField']
            && $GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField']
        ) {
            $parsedBody = $request->getParsedBody();
            $queryParams = $request->getQueryParams();

            $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable($table);
            $queryBuilder->getRestrictions()
                ->removeAll()
                ->add(GeneralUtility::makeInstance(DeletedRestriction::class))
                ->add(GeneralUtility::makeInstance(WorkspaceRestriction::class, $this->getBackendUser()->workspace));
            $localizedRecord = $queryBuilder->select('uid')
                ->from($table)
                ->where(
                    $queryBuilder->expr()->eq(
                        $GLOBALS['TCA'][$table]['ctrl']['languageField'],
                        $queryBuilder->createNamedParameter($language, \PDO::PARAM_INT)
                    ),
                    $queryBuilder->expr()->eq(
                        $GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField'],
                        $queryBuilder->createNamedParameter($origUid, \PDO::PARAM_INT)
                    )
                )
                ->execute()
                ->fetch();
            $returnUrl = $parsedBody['returnUrl'] ?? $queryParams['returnUrl'] ?? '';
            if (is_array($localizedRecord)) {
                // Create redirect response to self to edit just created record
                return new RedirectResponse(
                    (string)$this->uriBuilder->buildUriFromRoute(
                        'record_edit',
                        [
                            'edit[' . $table . '][' . $localizedRecord['uid'] . ']' => 'edit',
                            'returnUrl' => GeneralUtility::sanitizeLocalUrl($returnUrl)
                        ]
                    ),
                    303
                );
            }
        }
        return null;
    }

    /**
     * Returns languages  available for record translations on given page.
     *
     * @param int $id Page id: If zero, the query will select all sys_language records from root level which are NOT
     *                hidden. If set to another value, the query will select all sys_language records that has a
     *                translation record on that page (and is not hidden, unless you are admin user)
     * @param string $table For pages we want all languages, for other records the languages of the page translations
     * @return SiteLanguage[] Language
     */
    protected function getLanguages(int $id, string $table): array
    {
        // This usually happens when a non-pages record is added after another, so we are fetching the proper page ID
        if ($id < 0 && $table !== 'pages') {
            $pageId = $this->pageinfo['uid'] ?? null;
            if ($pageId !== null) {
                $pageId = (int)$pageId;
            } else {
                $fullRecord = BackendUtility::getRecord($table, abs($id));
                $pageId = (int)$fullRecord['pid'];
            }
        } else {
            if ($table === 'pages' && $id > 0) {
                $fullRecord = BackendUtility::getRecordWSOL('pages', $id);
                $id = (int)($fullRecord['t3ver_oid'] ?: $fullRecord['uid']);
            }
            $pageId = $id;
        }
        try {
            $site = GeneralUtility::makeInstance(SiteFinder::class)->getSiteByPageId($pageId);
        } catch (SiteNotFoundException $e) {
            $site = new NullSite();
        }

        // Fetch the current translations of this page, to only show the ones where there is a page translation
        $allLanguages = $site->getAvailableLanguages($this->getBackendUser(), false, $pageId);
        if ($table !== 'pages' && $id > 0) {
            $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('pages');
            $queryBuilder->getRestrictions()->removeAll()
                ->add(GeneralUtility::makeInstance(DeletedRestriction::class))
                ->add(GeneralUtility::makeInstance(WorkspaceRestriction::class, $this->getBackendUser()->workspace));
            $statement = $queryBuilder->select('uid', $GLOBALS['TCA']['pages']['ctrl']['languageField'])
                ->from('pages')
                ->where(
                    $queryBuilder->expr()->eq(
                        $GLOBALS['TCA']['pages']['ctrl']['transOrigPointerField'],
                        $queryBuilder->createNamedParameter($pageId, \PDO::PARAM_INT)
                    )
                )
                ->execute();

            $availableLanguages = [];

            if ($allLanguages[0] ?? false) {
                $availableLanguages = [
                    0 => $allLanguages[0]
                ];
            }

            while ($row = $statement->fetch()) {
                $languageId = (int)$row[$GLOBALS['TCA']['pages']['ctrl']['languageField']];
                if (isset($allLanguages[$languageId])) {
                    $availableLanguages[$languageId] = $allLanguages[$languageId];
                }
            }
            return $availableLanguages;
        }
        return $allLanguages;
    }

    /**
     * Fix $this->editconf if versioning applies to any of the records
     *
     * @param array|bool $mapArray Mapping between old and new ids if auto-versioning has been performed.
     */
    protected function fixWSversioningInEditConf($mapArray = false): void
    {
        // Traverse the editConf array
        if (is_array($this->editconf)) {

            // Tables:
            foreach ($this->editconf as $table => $conf) {
                if (is_array($conf) && $GLOBALS['TCA'][$table]) {
                    // Traverse the keys/comments of each table (keys can be a comma list of uids)
                    $newConf = [];
                    foreach ($conf as $cKey => $cmd) {
                        if ($cmd === 'edit') {
                            // Traverse the ids:
                            $ids = GeneralUtility::trimExplode(',', $cKey, true);
                            foreach ($ids as $idKey => $theUid) {
                                if (is_array($mapArray)) {
                                    if ($mapArray[$table][$theUid]) {
                                        $ids[$idKey] = $mapArray[$table][$theUid];
                                    }
                                } else {
                                    // Default, look for versions in workspace for record:
                                    $calcPRec = $this->getRecordForEdit((string)$table, (int)$theUid);
                                    if (is_array($calcPRec)) {
                                        // Setting UID again if it had changed, eg. due to workspace versioning.
                                        $ids[$idKey] = $calcPRec['uid'];
                                    }
                                }
                            }
                            // Add the possibly manipulated IDs to the new-build newConf array:
                            $newConf[implode(',', $ids)] = $cmd;
                        } else {
                            $newConf[$cKey] = $cmd;
                        }
                    }
                    // Store the new conf array:
                    $this->editconf[$table] = $newConf;
                }
            }
        }
    }

    /**
     * Get record for editing.
     *
     * @param string $table Table name
     * @param int $theUid Record UID
     * @return array|false Returns record to edit, false if none
     */
    protected function getRecordForEdit(string $table, int $theUid)
    {
        $tableSupportsVersioning = BackendUtility::isTableWorkspaceEnabled($table);
        // Fetch requested record:
        $reqRecord = BackendUtility::getRecord($table, $theUid, 'uid,pid' . ($tableSupportsVersioning ? ',t3ver_oid' : ''));
        if (is_array($reqRecord)) {
            // If workspace is OFFLINE:
            if ($this->getBackendUser()->workspace != 0) {
                // Check for versioning support of the table:
                if ($tableSupportsVersioning) {
                    // If the record is already a version of "something" pass it by.
                    if ($reqRecord['t3ver_oid'] > 0 || (int)$reqRecord['t3ver_state'] === VersionState::NEW_PLACEHOLDER) {
                        // (If it turns out not to be a version of the current workspace there will be trouble, but
                        // that is handled inside DataHandler then and in the interface it would clearly be an error of
                        // links if the user accesses such a scenario)
                        return $reqRecord;
                    }
                    // The input record was online and an offline version must be found or made:
                    // Look for version of this workspace:
                    $versionRec = BackendUtility::getWorkspaceVersionOfRecord(
                        $this->getBackendUser()->workspace,
                        $table,
                        $reqRecord['uid'],
                        'uid,pid,t3ver_oid'
                    );
                    return is_array($versionRec) ? $versionRec : $reqRecord;
                }
                // This means that editing cannot occur on this record because it was not supporting versioning
                // which is required inside an offline workspace.
                return false;
            }
            // In ONLINE workspace, just return the originally requested record:
            return $reqRecord;
        }
        // Return FALSE because the table/uid was not found anyway.
        return false;
    }

    /**
     * Populates the variables $this->storeArray, $this->storeUrl, $this->storeUrlMd5
     * to prepare 'open documents' urls
     */
    protected function compileStoreData(): void
    {
        // @todo: Refactor in TYPO3 v10: This GeneralUtility method fiddles with _GP()
        $this->storeArray = GeneralUtility::compileSelectedGetVarsFromArray(
            'edit,defVals,overrideVals,columnsOnly,noView',
            $this->R_URL_getvars
        );
        $this->storeUrl = HttpUtility::buildQueryString($this->storeArray, '&');
        $this->storeUrlMd5 = md5($this->storeUrl);
    }

    /**
     * Get a TSConfig 'option.' array, possibly for a specific table.
     *
     * @param string $table Table name
     * @param string $key Options key
     * @return string
     */
    protected function getTsConfigOption(string $table, string $key): string
    {
        return \trim((string)(
            $this->getBackendUser()->getTSConfig()['options.'][$key . '.'][$table]
            ?? $this->getBackendUser()->getTSConfig()['options.'][$key]
            ?? ''
        ));
    }

    /**
     * Handling the closing of a document
     * The argument $mode can be one of this values:
     * - 0/1 will redirect to $this->retUrl [self::DOCUMENT_CLOSE_MODE_DEFAULT || self::DOCUMENT_CLOSE_MODE_REDIRECT]
     * - 3 will clear the docHandler (thus closing all documents) [self::DOCUMENT_CLOSE_MODE_CLEAR_ALL]
     * - 4 will do no redirect [self::DOCUMENT_CLOSE_MODE_NO_REDIRECT]
     * - other values will call setDocument with ->retUrl
     *
     * @param int $mode the close mode: one of self::DOCUMENT_CLOSE_MODE_*
     * @param ServerRequestInterface $request Incoming request
     * @return ResponseInterface|null Redirect response if needed
     */
    protected function closeDocument($mode, ServerRequestInterface $request): ?ResponseInterface
    {
        $setupArr = [];
        $mode = (int)$mode;
        // If current document is found in docHandler,
        // then unset it, possibly unset it ALL and finally, write it to the session data
        if (isset($this->docHandler[$this->storeUrlMd5])) {
            // add the closing document to the recent documents
            $recentDocs = $this->getBackendUser()->getModuleData('opendocs::recent');
            if (!is_array($recentDocs)) {
                $recentDocs = [];
            }
            $closedDoc = $this->docHandler[$this->storeUrlMd5];
            $recentDocs = array_merge([$this->storeUrlMd5 => $closedDoc], $recentDocs);
            if (count($recentDocs) > 8) {
                $recentDocs = array_slice($recentDocs, 0, 8);
            }
            // remove it from the list of the open documents
            unset($this->docHandler[$this->storeUrlMd5]);
            if ($mode === self::DOCUMENT_CLOSE_MODE_CLEAR_ALL) {
                $recentDocs = array_merge($this->docHandler, $recentDocs);
                $this->docHandler = [];
            }
            $this->getBackendUser()->pushModuleData('opendocs::recent', $recentDocs);
            $this->getBackendUser()->pushModuleData('FormEngine', [$this->docHandler, $this->docDat[1]]);
            BackendUtility::setUpdateSignal('OpendocsController::updateNumber', count($this->docHandler));
        }
        if ($mode === self::DOCUMENT_CLOSE_MODE_NO_REDIRECT) {
            return null;
        }
        // If ->returnEditConf is set, then add the current content of editconf to the ->retUrl variable: used by
        // other scripts, like wizard_add, to know which records was created or so...
        if ($this->returnEditConf && $this->retUrl != (string)$this->uriBuilder->buildUriFromRoute('dummy')) {
            $this->retUrl .= '&returnEditConf=' . rawurlencode((string)json_encode($this->editconf));
        }
        // If mode is NOT set (means 0) OR set to 1, then make a header location redirect to $this->retUrl
        if ($mode === self::DOCUMENT_CLOSE_MODE_DEFAULT || $mode === self::DOCUMENT_CLOSE_MODE_REDIRECT) {
            return new RedirectResponse($this->retUrl, 303);
        }
        if ($this->retUrl === '') {
            return null;
        }
        $retUrl = (string)$this->returnUrl;
        if (is_array($this->docHandler) && !empty($this->docHandler)) {
            if (!empty($setupArr[2])) {
                $sParts = parse_url($request->getAttribute('normalizedParams')->getRequestUri());
                $retUrl = $sParts['path'] . '?' . $setupArr[2] . '&returnUrl=' . rawurlencode($retUrl);
            }
        }
        return new RedirectResponse($retUrl, 303);
    }

    /**
     * Returns the shortcut title for the current element
     *
     * @param ServerRequestInterface $request
     * @return string
     */
    protected function getShortcutTitle(ServerRequestInterface $request): string
    {
        $queryParameters = $request->getQueryParams();
        $languageService = $this->getLanguageService();

        if (!is_array($queryParameters['edit'] ?? false)) {
            return '';
        }

        // @todo There may be a more efficient way in using FormEngine FormData.
        // @todo Therefore, the button initialization however has to take place at a later stage.

        $table = (string)key($queryParameters['edit']);
        $tableTitle = $languageService->sL($GLOBALS['TCA'][$table]['ctrl']['title'] ?? '') ?: $table;
        $recordId = (int)key($queryParameters['edit'][$table]);
        $action = (string)$queryParameters['edit'][$table][$recordId];

        if ($action === 'new') {
            return $languageService->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.createNew') . ' ' . $tableTitle;
        }

        if ($action === 'edit') {
            $record = BackendUtility::getRecord($table, $recordId) ?? [];
            $recordTitle = BackendUtility::getRecordTitle($table, $record) ?? '';
            if ($table === 'pages') {
                return sprintf($languageService->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.editPage'), $tableTitle, $recordTitle);
            }
            if (!isset($record['pid'])) {
                return $languageService->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.edit');
            }
            $pageId = (int)$record['pid'];
            if ($pageId === 0) {
                return sprintf($languageService->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.editRecordRootLevel'), $tableTitle, $recordTitle);
            }
            $pageRow = BackendUtility::getRecord('pages', $pageId) ?? [];
            $pageTitle = BackendUtility::getRecordTitle('pages', $pageRow);
            if ($recordTitle !== '') {
                return sprintf($languageService->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.editRecord'), $tableTitle, $recordTitle, $pageTitle);
            }
            return sprintf($languageService->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.editRecordNoTitle'), $tableTitle, $pageTitle);
        }

        return '';
    }

    /**
     * @return \TYPO3\CMS\Core\Authentication\BackendUserAuthentication
     */
    protected function getBackendUser()
    {
        return $GLOBALS['BE_USER'];
    }

    /**
     * Returns LanguageService
     *
     * @return LanguageService
filter:
    dependency_paths: ["lib/*"]
     */
    protected function getLanguageService()
    {
        return $GLOBALS['LANG'];
    }
}

TYPO3 / TYPO3.CMS

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