TYPO3\CMS\Backend\Tree\View\FolderTreeView::printTree()

Complexity

Conditions	30
Paths	3086

Size

Total Lines	103
Code Lines	65

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function printTree($treeItems = '')
    {
        $doExpand = false;
        $doCollapse = false;
        $ajaxOutput = '';
        $titleLength = (int)$this->BE_USER->uc['titleLen'];
        if (!is_array($treeItems)) {
            $treeItems = $this->tree;
        }

        if (empty($treeItems)) {
            $message = GeneralUtility::makeInstance(
                FlashMessage::class,
                $this->getLanguageService()->sL('LLL:EXT:backend/Resources/Private/Language/locallang.xlf:foldertreeview.noFolders.message'),

$this->getLanguageService()->sL('LLL:EXT:backend/Resources/Private/Language/locallang.xlf:foldertreeview.noFolders.message') of type string is incompatible with the type array<integer,mixed> expected by parameter $constructorArguments of TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance().

                $this->getLanguageService()->sL('LLL:EXT:backend/Resources/Private/Language/locallang.xlf:foldertreeview.noFolders.title'),
                FlashMessage::INFO
            );
            /** @var $flashMessageService \TYPO3\CMS\Core\Messaging\FlashMessageService */
            $flashMessageService = GeneralUtility::makeInstance(FlashMessageService::class);
            /** @var $defaultFlashMessageQueue \TYPO3\CMS\Core\Messaging\FlashMessageQueue */
            $defaultFlashMessageQueue = $flashMessageService->getMessageQueueByIdentifier();
            $defaultFlashMessageQueue->enqueue($message);
            return $defaultFlashMessageQueue->renderFlashMessages();
        }

        $expandedFolderHash = '';
        $invertedDepthOfAjaxRequestedItem = 0;
        $out = '<ul class="list-tree list-tree-root">';
        // Evaluate AJAX request
        if (TYPO3_REQUESTTYPE & TYPO3_REQUESTTYPE_AJAX) {
            list(, $expandCollapseCommand, $expandedFolderHash, ) = $this->evaluateExpandCollapseParameter();
            if ($expandCollapseCommand == 1) {
                $doExpand = true;
            } else {
                $doCollapse = true;
            }
        }
        // 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
        $closeDepth = [];
        foreach ($treeItems as $treeItem) {
            /** @var $folderObject Folder */
            $folderObject = $treeItem['row']['folder'];
            $classAttr = $treeItem['row']['_CSSCLASS'] ?? '';
            $folderIdentifier = $folderObject->getCombinedIdentifier();
            // this is set if the AJAX request has just opened this folder (via the PM command)
            $isExpandedFolderIdentifier = $expandedFolderHash == GeneralUtility::md5int($folderIdentifier);
            $idAttr = htmlspecialchars($this->domIdPrefix . $this->getId($folderObject) . '_' . $treeItem['bank']);
            $itemHTML = '';
            // If this item is the start of a new level,
            // then a new level <ul> is needed, but not in ajax mode
            if (!empty($treeItem['isFirst']) && !$doCollapse && !($doExpand && $isExpandedFolderIdentifier)) {
                $itemHTML = '<ul class="list-tree">';
            }
            // Add CSS classes to the list item
            if (!empty($treeItem['hasSub'])) {
                $classAttr .= ' list-tree-control-open';
            }
            $itemHTML .= '
				<li id="' . $idAttr . '" ' . ($classAttr ? ' class="' . trim($classAttr) . '"' : '') . '><span class="list-tree-group">' . $treeItem['HTML'] . $this->wrapTitle($this->getTitleStr($treeItem['row'], $titleLength), $folderObject, $treeItem['bank']) . '</span>';
            if (empty($treeItem['hasSub'])) {
                $itemHTML .= '</li>';
            }
            // We have to remember if this is the last one
            // on level X so the last child on level X+1 closes the <ul>-tag
            if (!empty($treeItem['isLast']) && !($doExpand && $isExpandedFolderIdentifier)) {
                $closeDepth[$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 (!empty($treeItem['isLast']) && empty($treeItem['hasSub']) && !$doCollapse && !($doExpand && $isExpandedFolderIdentifier)) {
                for ($i = $treeItem['invertedDepth']; !empty($closeDepth[$i]); $i++) {
                    $closeDepth[$i] = 0;
                    $itemHTML .= '</ul></li>';
                }
            }
            // Ajax request: collapse
            if ($doCollapse && $isExpandedFolderIdentifier) {
                $this->ajaxStatus = true;
                return $itemHTML;
            }
            // Ajax request: expand
            if ($doExpand && $isExpandedFolderIdentifier) {
                $ajaxOutput .= $itemHTML;
                $invertedDepthOfAjaxRequestedItem = $treeItem['invertedDepth'];
            } elseif ($invertedDepthOfAjaxRequestedItem) {
                if ($treeItem['invertedDepth'] && ($treeItem['invertedDepth'] < $invertedDepthOfAjaxRequestedItem)) {
                    $ajaxOutput .= $itemHTML;
                } else {
                    $this->ajaxStatus = true;
                    return $ajaxOutput;
                }
            }
            $out .= $itemHTML;
        }
        // If this is an AJAX request, output directly
        if ($ajaxOutput) {
            $this->ajaxStatus = true;
            return $ajaxOutput;
        }
        // Finally close the first ul
        $out .= '</ul>';
        return $out;
    }