backend/Classes/Tree/View/ElementBrowserPageTreeView.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;
use TYPO3\CMS\Frontend\Page\PageRepository;
use TYPO3\CMS\Recordlist\Tree\View\LinkParameterProviderInterface;

class ElementBrowserPageTreeView extends BrowseTreeView
{
    public $ext_showPageId = false;

    public $ext_showNavTitle = false;

    public $ext_pArrPages = true;

    protected $linkParameterProvider;

    public function __construct()
    {
        parent::__construct();
        $this->init();
        $this->clause = ' AND doktype <> ' . PageRepository::DOKTYPE_RECYCLER . $this->clause;
    }

    public function setLinkParameterProvider(LinkParameterProviderInterface $linkParameterProvider)
    {
        $this->linkParameterProvider = $linkParameterProvider;
        $this->thisScript = $linkParameterProvider->getScriptUrl();
    }

    public function wrapTitle($title, $v, $ext_pArrPages = false)
    {
        if ($this->ext_isLinkable($v['doktype'], $v['uid'])) {
            return '<span class="list-tree-title"><a href="#" class="t3js-pageLink" data-id="' . (int)$v['uid'] . '">' . $title . '</a></span>';
        } else {
            return '<span class="list-tree-title text-muted">' . $title . '</span>';
        }
    }

    public function printTree($treeArr = '')
    {
        $titleLen = (int)$GLOBALS['BE_USER']->uc['titleLen'];
        if (!is_array($treeArr)) {
            $treeArr = $this->tree;
        }
        $out = '';
        // We need to count the opened <ul>'s every time we dig into another level,
        // so we know how many we have to close when all children are done rendering
        $closeDepth = array();
        foreach ($treeArr as $treeItem) {
            $classAttr = $treeItem['row']['_CSSCLASS'];
            if ($treeItem['isFirst']) {
                $out .= '<ul class="list-tree">';
            }

            // Add CSS classes to the list item
            if ($treeItem['hasSub']) {
                $classAttr .= ' list-tree-control-open';
            }

            $selected = '';
            if ($this->linkParameterProvider->isCurrentlySelectedItem(['pid' => (int)$treeItem['row']['uid']])) {
                $selected = ' bg-success';
                $classAttr .= ' active';
            }
            $urlParameters = $this->linkParameterProvider->getUrlParameters(['pid' => (int)$treeItem['row']['uid']]);
            $aOnClick = 'return jumpToUrl(' . GeneralUtility::quoteJSvalue($this->getThisScript() . ltrim(GeneralUtility::implodeArrayForUrl('', $urlParameters), '&')) . ');';
            $cEbullet = $this->ext_isLinkable($treeItem['row']['doktype'], $treeItem['row']['uid'])
                ? '<a href="#" class="list-tree-show" onclick="' . htmlspecialchars($aOnClick) . '"><i class="fa fa-caret-square-o-right"></i></a>'
                : '';
            $out .= '
                                <li' . ($classAttr ? ' class="' . trim($classAttr) . '"' : '') . '>
                                        <span class="list-tree-group' . $selected . '">
                                                ' . $cEbullet . $treeItem['HTML'] . $this->wrapTitle($this->getTitleStr($treeItem['row'], $titleLen), $treeItem['row'], $this->ext_pArrPages) . '
                                        </span>
                                ';
            if (!$treeItem['hasSub']) {
                $out .= '</li>';
            }

            // We have to remember if this is the last one
            // on level X so the last child on level X+1 closes the <ul>-tag
            if ($treeItem['isLast']) {
                $closeDepth[$treeItem['invertedDepth']] = 1;
            }
            // If this is the last one and does not have subitems, we need to close
            // the tree as long as the upper levels have last items too
            if ($treeItem['isLast'] && !$treeItem['hasSub']) {
                for ($i = $treeItem['invertedDepth']; $closeDepth[$i] == 1; $i++) {
                    $closeDepth[$i] = 0;
                    $out .= '</ul></li>';
                }
            }
        }
        return '<ul class="list-tree list-tree-root">' . $out . '</ul>';
    }

    public function ext_isLinkable($doktype, $uid)
    {
        return $uid && $doktype < PageRepository::DOKTYPE_SPACER;
    }

    public function PM_ATagWrap($icon, $cmd, $bMark = '', $isOpen = false)
    {
        $anchor = $bMark ? '#' . $bMark : '';
        $name = $bMark ? ' name=' . $bMark : '';
        $urlParameters = $this->linkParameterProvider->getUrlParameters([]);
        $urlParameters['PM'] = $cmd;
        $aOnClick = 'return jumpToUrl(' . GeneralUtility::quoteJSvalue($this->getThisScript() . ltrim(GeneralUtility::implodeArrayForUrl('', $urlParameters), '&')) . ',' . GeneralUtility::quoteJSvalue($anchor) . ');';
        return '<a class="list-tree-control ' . ($isOpen ? 'list-tree-control-open' : 'list-tree-control-closed')
            . '" href="#"' . htmlspecialchars($name) . ' onclick="' . htmlspecialchars($aOnClick) . '"><i class="fa"></i></a>';
    }

    public function wrapIcon($icon, $row)
    {
        if ($this->ext_showPageId) {
            $icon .= '[' . $row['uid'] . ']&nbsp;';
        }
        return $icon;
    }
}