TYPO3 v15 dev-main snapshot ()
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<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Backend\LinkHandler;
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use Psr\Http\Message\ServerRequestInterface;
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use TYPO3\CMS\Backend\Tree\View\LinkParameterProviderInterface;
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use TYPO3\CMS\Backend\Utility\BackendUtility;
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use TYPO3\CMS\Core\Database\Connection;
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use TYPO3\CMS\Core\Database\ConnectionPool;
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use TYPO3\CMS\Core\Database\Query\Restriction\DeletedRestriction;
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use TYPO3\CMS\Core\Database\Query\Restriction\WorkspaceRestriction;
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use TYPO3\CMS\Core\DataHandling\PageDoktypeRegistry;
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use TYPO3\CMS\Core\Imaging\IconSize;
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use TYPO3\CMS\Core\LinkHandling\LinkService;
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use TYPO3\CMS\Core\Type\Bitmask\Permission;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Core\Utility\MathUtility;
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/**
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* Link to a page record.
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*
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* @internal This class is a specific LinkHandler implementation and is not part of the TYPO3's Core API.
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*/
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class PageLinkHandler extends AbstractLinkHandler implements LinkHandlerInterface, LinkParameterProviderInterface
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{
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/**
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* @var int
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*/
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protected $expandPage = 0;
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/**
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* Parts of the current link
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*
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* @var array
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*/
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protected $linkParts = [];
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protected PageDoktypeRegistry $pageDoktypeRegistry;
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public function __construct()
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{
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parent::__construct();
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$this->pageDoktypeRegistry = GeneralUtility::makeInstance(PageDoktypeRegistry::class);
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}
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/**
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* Checks if this is the handler for the given link
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*
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* The handler may store this information locally for later usage.
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*
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* @param array $linkParts Link parts as returned from TypoLinkCodecService
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*
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* @return bool
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*/
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public function canHandleLink(array $linkParts)
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{
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if (empty($linkParts['url'] ?? '')) {
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return false;
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}
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$data = $linkParts['url'];
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// Resolve "current" to the actual page ID from the link browser context
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if (($data['pageuid'] ?? '') === 'current') {
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$currentPageId = (int)($this->linkBrowser->getParameters()['pid'] ?? 0);
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if ($currentPageId > 0) {
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$linkParts['url']['pageuid'] = $currentPageId;
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$data = $linkParts['url'];
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}
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}
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// Check if the page still exists
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if ((int)($data['pageuid'] ?? 0) > 0) {
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$pageRow = BackendUtility::getRecordWSOL('pages', $data['pageuid']);
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if (!$pageRow) {
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return false;
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}
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} else {
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return false;
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}
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$this->linkParts = $linkParts;
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return true;
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}
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/**
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* Format the current link for HTML output
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*
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* @return string
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*/
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public function formatCurrentUrl()
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{
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$lang = $this->getLanguageService();
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$id = (int)$this->linkParts['url']['pageuid'];
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$idInfo = 'ID: ' . $id . (!empty($this->linkParts['url']['fragment']) ? ', #' . $this->linkParts['url']['fragment'] : '');
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$permsClause = $this->getBackendUser()->getPagePermsClause(Permission::PAGE_SHOW);
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$pageRecord = BackendUtility::readPageAccess($id, $permsClause);
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if ($pageRecord === false) {
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return $lang->sL('LLL:EXT:backend/Resources/Private/Language/locallang_browse_links.xlf:page') . ' ' . $idInfo;
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}
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$pageTitle = $pageRecord['title'] ?? '';
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return $lang->sL('LLL:EXT:backend/Resources/Private/Language/locallang_browse_links.xlf:page')
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. ($pageTitle ? ' \'' . BackendUtility::cropToTitleLength($pageTitle) . '\'' : '')
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. ' (' . $idInfo . ')';
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}
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/**
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* Render the link handler
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*/
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public function render(ServerRequestInterface $request): string
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{
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$this->pageRenderer->loadJavaScriptModule('@typo3/backend/page-link-handler.js');
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$this->pageRenderer->loadJavaScriptModule('@typo3/backend/tree/page-browser.js');
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$this->getBackendUser()->initializeWebmountsForElementBrowser();
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$this->expandPage = isset($request->getQueryParams()['expandPage']) ? (int)$request->getQueryParams()['expandPage'] : 0;
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$this->view->assign('initialNavigationWidth', $this->getBackendUser()->uc['selector']['navigation']['width'] ?? 250);
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$this->view->assign('treeActions', ['link']);
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$this->getRecordsOnExpandedPage($this->expandPage);
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return $this->view->render('LinkBrowser/Page');
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}
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/**
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* This adds all content elements on a page to the view and lets you create a link to the element.
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*
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* @param int $pageId Page uid to expand
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*/
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protected function getRecordsOnExpandedPage($pageId)
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{
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// If there is an anchor value (content element reference) in the element reference, then force an ID to expand:
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if (!$pageId && isset($this->linkParts['url']['fragment'])) {
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// Set to the current link page id.
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$pageId = $this->linkParts['url']['pageuid'];
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}
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$linkService = GeneralUtility::makeInstance(LinkService::class);
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$this->view->assign('expandedPage', $pageId ?: $this->linkParts['url']['pageuid'] ?? 0);
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// Draw the record list IF there is a page id to expand:
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if ($pageId && MathUtility::canBeInterpretedAsInteger($pageId) && $this->getBackendUser()->isInWebMount($pageId)) {
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$pageId = (int)$pageId;
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$activePageRecord = BackendUtility::getRecordWSOL('pages', $pageId);
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$this->view->assign('expandActivePage', true);
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// Create header for listing, showing the page title/icon
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$this->view->assign('activePage', $activePageRecord);
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$this->view->assign('activePageTitle', BackendUtility::getRecordTitle('pages', $activePageRecord, true));
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$this->view->assign('activePageIcon', $this->iconFactory->getIconForRecord('pages', $activePageRecord, IconSize::SMALL)->render());
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if ($this->isPageLinkable($activePageRecord)) {
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$this->view->assign('activePageLink', $linkService->asString(['type' => LinkService::TYPE_PAGE, 'pageuid' => $pageId]));
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}
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// Look up tt_content elements from the expanded page
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// @todo: this should be grouped by colPos and use the layout from the page module
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$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
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->getQueryBuilderForTable('tt_content');
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$queryBuilder->getRestrictions()
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->removeAll()
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->add(GeneralUtility::makeInstance(DeletedRestriction::class))
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->add(GeneralUtility::makeInstance(WorkspaceRestriction::class, $this->getBackendUser()->workspace));
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$contentElements = $queryBuilder
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->select('*')
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->from('tt_content')
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->where(
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$queryBuilder->expr()->and(
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$queryBuilder->expr()->eq(
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'pid',
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$queryBuilder->createNamedParameter($pageId, Connection::PARAM_INT)
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),
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$queryBuilder->expr()->in(
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'sys_language_uid',
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$queryBuilder->createNamedParameter([$activePageRecord['language_tag'], -1], Connection::PARAM_INT_ARRAY)
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)
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)
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)
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->orderBy('colPos')
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->addOrderBy('sorting')
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->executeQuery()
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->fetchAllAssociative();
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// Enrich list of records
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$items = [];
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foreach ($contentElements as $contentElement) {
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BackendUtility::workspaceOL('tt_content', $contentElement, $this->getBackendUser()->workspace, true);
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if (is_array($contentElement)) {
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// Ensure to always link to the live version of the record
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if ((int)$contentElement['t3ver_oid'] > 0) {
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$contentElementId = (int)$contentElement['t3ver_oid'];
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} else {
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$contentElementId = (int)$contentElement['uid'];
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}
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$contentElement['url'] = $linkService->asString(['type' => LinkService::TYPE_PAGE, 'pageuid' => $pageId, 'fragment' => $contentElementId]);
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$contentElement['isSelected'] = (int)($this->linkParts['url']['fragment'] ?? 0) === $contentElementId;
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$contentElement['icon'] = $this->iconFactory->getIconForRecord('tt_content', $contentElement, IconSize::SMALL)->render();
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$contentElement['title'] = BackendUtility::getRecordTitle('tt_content', $contentElement, true);
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$items[] = $contentElement;
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}
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}
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$this->view->assign('contentElements', $items);
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}
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}
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/**
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* @return string[] Array of body-tag attributes
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*/
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public function getBodyTagAttributes()
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{
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if (count($this->linkParts) === 0 || empty($this->linkParts['url']['pageuid'])) {
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return [];
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}
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return [
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'data-linkbrowser-current-link' => GeneralUtility::makeInstance(LinkService::class)->asString([
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'type' => LinkService::TYPE_PAGE,
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'pageuid' => (int)$this->linkParts['url']['pageuid'],
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'fragment' => $this->linkParts['url']['fragment'] ?? '',
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]),
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];
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}
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/**
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* @param array $values Array of values to include into the parameters or which might influence the parameters
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* @return array Array of parameters which have to be added to URLs
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*/
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public function getUrlParameters(array $values): array
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{
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$parameters = [
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'expandPage' => isset($values['pid']) ? (int)$values['pid'] : $this->expandPage,
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];
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return array_merge($this->linkBrowser->getUrlParameters($values), $parameters);
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}
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/**
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* @param string[] $fieldDefinitions Array of link attribute field definitions
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* @return string[]
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*/
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public function modifyLinkAttributes(array $fieldDefinitions)
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{
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$configuration = $this->linkBrowser->getConfiguration();
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// Depending on where the configuration is set it can be 'pageIdSelector' (CKEditor yaml) or 'pageIdSelector.' (TSconfig)
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if (!empty($configuration['pageIdSelector']['enabled']) || !empty($configuration['pageIdSelector.']['enabled'])) {
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$this->linkAttributes[] = 'pageIdSelector';
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$fieldDefinitions['pageIdSelector'] = '
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<form><div class="row mt-3">
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<label class="col-3 col-form-label">
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' . htmlspecialchars($this->getLanguageService()->sL('LLL:EXT:backend/Resources/Private/Language/locallang_browse_links.xlf:page_id')) . '
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</label>
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<div class="col-2">
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<input type="number" size="6" name="luid" id="luid" class="form-control" />
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</div>
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<div class="col-7">
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<input class="btn btn-default t3js-pageLink" type="submit" value="' . htmlspecialchars($this->getLanguageService()->sL('LLL:EXT:backend/Resources/Private/Language/locallang_browse_links.xlf:setLink')) . '" />
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</div>
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</div></form>';
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}
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return $fieldDefinitions;
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}
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protected function isPageLinkable(array $page): bool
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{
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return $this->pageDoktypeRegistry->isPageViewable(
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(int)$page['doktype'],
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(int)$page['uid']
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);
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}
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}
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