PageTreeView.php

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<?php
namespace TYPO3\CMS\Backend\Tree\View;

/*
 * 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!
 */

use TYPO3\CMS\Core\Utility\GeneralUtility;

class PageTreeView extends AbstractTreeView
{
    public $fieldArray = [
        'uid',
        'pid',
        'is_siteroot',
        'title',
        'doktype',
        'nav_title',
        'mount_pid',
        'php_tree_stop',
        't3ver_id',
        't3ver_state',
        'hidden',
        'starttime',
        'endtime',
        'fe_group',
        'module',
        'extendToSubpages',
        'nav_hide'
    ];

    public $treeName = 'pages';

    public $table = 'pages';

    public $ext_showNavTitle = false;

    public function init($clause = '', $orderByFields = '')
    {
        parent::init(' AND deleted=0 ' . $clause, 'sorting');
    }

    public function expandNext($id)
    {
        return 1;
    }

    public function PMicon($row, $a, $c, $nextCount, $isExpand)
    {
        return '<span class="treeline-icon treeline-icon-join' . ($a == $c ? 'bottom' : '') . '"></span>';
    }

    public function initializePositionSaving()
    {
        $this->stored = [];
    }

    public function getTitleStr($row, $titleLen = 30)
    {
        $lang = $this->getLanguageService();
        if ($this->ext_showNavTitle && isset($row['nav_title']) && trim($row['nav_title']) !== '') {
            $title = '<span title="' . htmlspecialchars($lang->sL('LLL:EXT:lang/Resources/Private/Language/locallang_tca.xlf:title')) . ' '
                     . htmlspecialchars(trim($row['title'])) . '">'
                     . htmlspecialchars(GeneralUtility::fixed_lgd_cs($row['nav_title'], $titleLen))
                     . '</span>';
        } else {
            $title = htmlspecialchars(GeneralUtility::fixed_lgd_cs($row['title'], $titleLen));
            if (isset($row['nav_title']) && trim($row['nav_title']) !== '') {
                $title = '<span title="'
                         . htmlspecialchars($lang->sL('LLL:EXT:frontend/Resources/Private/Language/locallang_tca.xlf:pages.nav_title'))
                         . ' ' . htmlspecialchars(trim($row['nav_title'])) . '">' . $title
                         . '</span>';
            }
            $title = trim($row['title']) === ''
                ? '<em>[' . htmlspecialchars($lang->sL('LLL:EXT:lang/Resources/Private/Language/locallang_core.xlf:labels.no_title')) . ']</em>'
                : $title;
        }
        return $title;
    }
}