PageLinkHandler.php

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<?php
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Recordlist\LinkHandler;
 
use Psr\Http\Message\ServerRequestInterface;
use ‪TYPO3\CMS\Backend\Tree\View\ElementBrowserPageTreeView;
use ‪TYPO3\CMS\Backend\Utility\BackendUtility;
use ‪TYPO3\CMS\Core\Database\Connection;
use ‪TYPO3\CMS\Core\Database\ConnectionPool;
use ‪TYPO3\CMS\Core\Database\Query\Restriction\DeletedRestriction;
use ‪TYPO3\CMS\Core\Database\Query\Restriction\WorkspaceRestriction;
use ‪TYPO3\CMS\Core\Imaging\Icon;
use ‪TYPO3\CMS\Core\LinkHandling\LinkService;
use ‪TYPO3\CMS\Core\Page\PageRenderer;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Core\Utility\MathUtility;
use ‪TYPO3\CMS\Recordlist\Tree\View\LinkParameterProviderInterface;
 
class ‪PageLinkHandler extends ‪AbstractLinkHandler implements ‪LinkHandlerInterface, ‪LinkParameterProviderInterface
{
    protected ‪$expandPage = 0;
 
    protected ‪$linkParts = [];
 
    public function ‪canHandleLink(array ‪$linkParts)
    {
        if (!‪$linkParts['url']) {
            return false;
        }
        $data = ‪$linkParts['url'];
        // Check if the page still exists
        if ((int)$data['pageuid'] > 0) {
            $pageRow = ‪BackendUtility::getRecordWSOL('pages', $data['pageuid']);
            if (!$pageRow) {
                return false;
            }
        } elseif ($data['pageuid'] !== 'current') {
            return false;
        }
 
        $this->linkParts = ‪$linkParts;
        return true;
    }
 
    public function ‪formatCurrentUrl()
    {
        $lang = $this->‪getLanguageService();
        $titleLen = (int)$this->‪getBackendUser()->uc['titleLen'];
 
        $id = (int)$this->linkParts['url']['pageuid'];
        $pageRow = ‪BackendUtility::getRecordWSOL('pages', $id);
 
        return $lang->getLL('page')
            . ' \'' . GeneralUtility::fixed_lgd_cs($pageRow['title'], $titleLen) . '\''
            . ' (ID: ' . $id . ($this->linkParts['url']['fragment'] ? ', #' . $this->linkParts['url']['fragment'] : '') . ')';
    }
 
    public function ‪render(ServerRequestInterface $request)
    {
        GeneralUtility::makeInstance(PageRenderer::class)->loadRequireJsModule('TYPO3/CMS/Recordlist/PageLinkHandler');
 
        $this->expandPage = isset($request->getQueryParams()['expandPage']) ? (int)$request->getQueryParams()['expandPage'] : 0;
        $this->‪setTemporaryDbMounts();
 
        $userTsConfig = $this->‪getBackendUser()->‪getTSConfig();
 
        $pageTree = GeneralUtility::makeInstance(ElementBrowserPageTreeView::class);
        $pageTree->setLinkParameterProvider($this);
        $pageTree->ext_showNavTitle = (bool)($userTsConfig['options.']['pageTree.']['showNavTitle'] ?? false);
        $pageTree->ext_showPageId = (bool)($userTsConfig['options.']['pageTree.']['showPageIdWithTitle'] ?? false);
        $pageTree->ext_showPathAboveMounts = (bool)($userTsConfig['options.']['pageTree.']['showPathAboveMounts'] ?? false);
        $pageTree->addField('nav_title');
 
        $this->view->assign('temporaryTreeMountCancelLink', $this->‪getTemporaryTreeMountCancelNotice());
        $this->view->assign('tree', $pageTree->getBrowsableTree());
        $this->‪getRecordsOnExpandedPage($this->expandPage);
        return $this->view->render('Page');
    }
 
    protected function ‪getRecordsOnExpandedPage($pageId)
    {
        // If there is an anchor value (content element reference) in the element reference, then force an ID to expand:
        if (!$pageId && isset($this->linkParts['url']['fragment'])) {
            // Set to the current link page id.
            $pageId = $this->linkParts['url']['pageuid'];
        }
        // Draw the record list IF there is a page id to expand:
        if ($pageId && ‪MathUtility::canBeInterpretedAsInteger($pageId) && $this->‪getBackendUser()->isInWebMount($pageId)) {
            $pageId = (int)$pageId;
 
            $activePageRecord = ‪BackendUtility::getRecordWSOL('pages', $pageId);
            $this->view->assign('expandActivePage', true);
 
            // Create header for listing, showing the page title/icon
            $this->view->assign('activePage', $activePageRecord);
            $this->view->assign('activePageTitle', ‪BackendUtility::getRecordTitle('pages', $activePageRecord, true));
            $this->view->assign('activePageIcon', $this->iconFactory->getIconForRecord('pages', $activePageRecord, ‪Icon::SIZE_SMALL)->render());
 
            // Look up tt_content elements from the expanded page
            $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
                ->getQueryBuilderForTable('tt_content');
 
            $queryBuilder->getRestrictions()
                ->removeAll()
                ->add(GeneralUtility::makeInstance(DeletedRestriction::class))
                ->add(GeneralUtility::makeInstance(WorkspaceRestriction::class, (int)$this->‪getBackendUser()->workspace));
 
            $contentElements = $queryBuilder
                ->select('*')
                ->from('tt_content')
                ->where(
                    $queryBuilder->expr()->andX(
                        $queryBuilder->expr()->eq(
                            'pid',
                            $queryBuilder->createNamedParameter($pageId, \PDO::PARAM_INT)
                        ),
                        $queryBuilder->expr()->in(
                            'sys_language_uid',
                            $queryBuilder->createNamedParameter([$activePageRecord['sys_language_uid'], -1], Connection::PARAM_INT_ARRAY)
                        )
                    )
                )
                ->orderBy('colPos')
                ->addOrderBy('sorting')
                ->execute()
                ->fetchAll();
 
            // Enrich list of records
            foreach ($contentElements as &$contentElement) {
                ‪BackendUtility::workspaceOL('tt_content', $contentElement);
                $contentElement['url'] = GeneralUtility::makeInstance(LinkService::class)->asString(['type' => ‪LinkService::TYPE_PAGE, 'pageuid' => (int)$pageId, 'fragment' => $contentElement['uid']]);
                $contentElement['isSelected'] = !empty($this->linkParts) && (int)$this->linkParts['url']['fragment'] === (int)$contentElement['uid'];
                $contentElement['icon'] = $this->iconFactory->getIconForRecord('tt_content', $contentElement, ‪Icon::SIZE_SMALL)->render();
                $contentElement['title'] = ‪BackendUtility::getRecordTitle('tt_content', $contentElement, true);
            }
            $this->view->assign('contentElements', $contentElements);
        }
    }
 
    protected function ‪getTemporaryTreeMountCancelNotice()
    {
        if ((int)$this->‪getBackendUser()->getSessionData('pageTree_temporaryMountPoint') > 0) {
            return GeneralUtility::linkThisScript(['setTempDBmount' => 0]);
        }
        return '';
    }
 
    public function ‪getBodyTagAttributes()
    {
        if (count($this->linkParts) === 0 || empty($this->linkParts['url']['pageuid'])) {
            return [];
        }
        return [
            'data-current-link' => GeneralUtility::makeInstance(LinkService::class)->asString([
                'type' => ‪LinkService::TYPE_PAGE,
                'pageuid' => (int)$this->linkParts['url']['pageuid'],
                'fragment' => $this->linkParts['url']['fragment']
            ])
        ];
    }
 
    public function ‪getUrlParameters(array $values)
    {
        $parameters = [
            'expandPage' => isset($values['pid']) ? (int)$values['pid'] : $this->expandPage
        ];
        return array_merge($this->linkBrowser->getUrlParameters($values), $parameters);
    }
 
    public function ‪isCurrentlySelectedItem(array $values)
    {
        return !empty($this->linkParts) && (int)$this->linkParts['url']['pageuid'] === (int)$values['pid'];
    }
 
    public function ‪getScriptUrl()
    {
        return $this->linkBrowser->getScriptUrl();
    }
 
    public function ‪modifyLinkAttributes(array $fieldDefinitions)
    {
        $configuration = $this->linkBrowser->getConfiguration();
        // Depending where the configuration is set it can be 'pageIdSelector' (CKEditor yaml) or 'pageIdSelector.' (TSconfig)
        if (!empty($configuration['pageIdSelector']['enabled']) || !empty($configuration['pageIdSelector.']['enabled'])) {
            $this->linkAttributes[] = 'pageIdSelector';
            $fieldDefinitions['pageIdSelector'] = '
                <form class="form-horizontal"><div class="form-group form-group-sm">
                    <label class="col-xs-4 control-label">
                        ' . htmlspecialchars($this->‪getLanguageService()->getLL('page_id')) . '
                        </label>
                    <div class="col-xs-2">
                        <input type="number" size="6" name="luid" id="luid" class="form-control" />
                    </div>
                    <div class="col-xs-6">
                        <input class="btn btn-default t3js-pageLink" type="submit" value="' . htmlspecialchars($this->‪getLanguageService()->getLL('setLink')) . '" />
                    </div>
                </div></form>';
        }
        return $fieldDefinitions;
    }
}