Add a breadcrumb menu to the page tree
| public static addPagesBreadcrumb ( string $strKey = 'tl_page_node' ) | ||
| $strKey | string | |
/**
* Generate the widget and return it as string
*
* @return string
*/
public function generate()
{
$this->import('BackendUser', 'User');
/** @var AttributeBagInterface $objSessionBag */
$objSessionBag = \System::getContainer()->get('session')->getBag('contao_backend');
// Store the keyword
if (\Input::post('FORM_SUBMIT') == 'item_selector') {
$strKeyword = ltrim(\Input::postRaw('keyword'), '*');
// Make sure the regular expression is valid
if ($strKeyword != '') {
try {
$this->Database->prepare("SELECT * FROM tl_page WHERE title REGEXP ?")->limit(1)->execute($strKeyword);
} catch (\Exception $e) {
$strKeyword = '';
}
}
$objSessionBag->set('page_selector_search', $strKeyword);
$this->reload();
}
$tree = '';
$this->getPathNodes();
$for = $objSessionBag->get('page_selector_search');
$arrFound = array();
// Search for a specific page
if ($for != '') {
// Wrap in a try catch block in case the regular expression is invalid (see #7743)
try {
$strPattern = "CAST(title AS CHAR) REGEXP ?";
if (substr(\Config::get('dbCollation'), -3) == '_ci') {
$strPattern = "LOWER(CAST(title AS CHAR)) REGEXP LOWER(?)";
}
$objRoot = $this->Database->prepare("SELECT id FROM tl_page WHERE {$strPattern} GROUP BY id")->execute($for);
if ($objRoot->numRows < 1) {
$GLOBALS['TL_DCA']['tl_page']['list']['sorting']['root'] = array(0);
} else {
$arrIds = array();
// Respect existing limitations
if (is_array($this->rootNodes)) {
while ($objRoot->next()) {
// Predefined node set (see #3563)
if (count(array_intersect($this->rootNodes, $this->Database->getParentRecords($objRoot->id, 'tl_page'))) > 0) {
$arrFound[] = $objRoot->id;
$arrIds[] = $objRoot->id;
}
}
} elseif ($this->User->isAdmin) {
// Show all pages to admins
while ($objRoot->next()) {
$arrFound[] = $objRoot->id;
$arrIds[] = $objRoot->id;
}
} else {
while ($objRoot->next()) {
// Show only mounted pages to regular users
if (count(array_intersect($this->User->pagemounts, $this->Database->getParentRecords($objRoot->id, 'tl_page'))) > 0) {
$arrFound[] = $objRoot->id;
$arrIds[] = $objRoot->id;
}
}
}
$GLOBALS['TL_DCA']['tl_page']['list']['sorting']['root'] = array_unique($arrIds);
}
} catch (\Exception $e) {
}
}
$strNode = $objSessionBag->get('tl_page_picker');
// Unset the node if it is not within the predefined node set (see #5899)
if ($strNode > 0 && is_array($this->rootNodes)) {
if (!in_array($strNode, $this->Database->getChildRecords($this->rootNodes, 'tl_page'))) {
$objSessionBag->remove('tl_page_picker');
}
}
// Add the breadcrumb menu
if (\Input::get('do') != 'page') {
\Backend::addPagesBreadcrumb('tl_page_picker');
}
// Root nodes (breadcrumb menu)
if (!empty($GLOBALS['TL_DCA']['tl_page']['list']['sorting']['root'])) {
$root = $GLOBALS['TL_DCA']['tl_page']['list']['sorting']['root'];
// Allow only those roots that are allowed in root nodes
if (is_array($this->rootNodes)) {
$root = array_intersect(array_merge($this->rootNodes, $this->Database->getChildRecords($this->rootNodes, 'tl_page')), $root);
if (empty($root)) {
$root = $this->rootNodes;
// Hide the breadcrumb
$GLOBALS['TL_DCA']['tl_page']['list']['sorting']['breadcrumb'] = '';
}
}
$nodes = $this->eliminateNestedPages($root);
foreach ($nodes as $node) {
$tree .= $this->renderPagetree($node, -20, false, false, $arrFound);
}
} elseif (is_array($this->rootNodes)) {
$nodes = $this->eliminateNestedPages($this->rootNodes);
foreach ($nodes as $node) {
$tree .= $this->renderPagetree($node, -20, false, false, $arrFound);
}
} elseif ($this->User->isAdmin) {
$objPage = $this->Database->prepare("SELECT id FROM tl_page WHERE pid=? ORDER BY sorting")->execute(0);
while ($objPage->next()) {
$tree .= $this->renderPagetree($objPage->id, -20, false, false, $arrFound);
}
} else {
$nodes = $this->eliminateNestedPages($this->User->pagemounts);
foreach ($nodes as $node) {
$tree .= $this->renderPagetree($node, -20, false, false, $arrFound);
}
}
// Select all checkboxes
if ($this->fieldType == 'checkbox') {
$strReset = "\n" . ' <li class="tl_folder"><div class="tl_left"> </div> <div class="tl_right"><label for="check_all_' . $this->strId . '" class="tl_change_selected">' . $GLOBALS['TL_LANG']['MSC']['selectAll'] . '</label> <input type="checkbox" id="check_all_' . $this->strId . '" class="tl_tree_checkbox" value="" onclick="Backend.toggleCheckboxGroup(this,\'' . $this->strName . '\')"></div><div style="clear:both"></div></li>';
} else {
$strReset = "\n" . ' <li class="tl_folder"><div class="tl_left"> </div> <div class="tl_right"><label for="reset_' . $this->strId . '" class="tl_change_selected">' . $GLOBALS['TL_LANG']['MSC']['resetSelected'] . '</label> <input type="radio" name="' . $this->strName . '" id="reset_' . $this->strName . '" class="tl_tree_radio" value="" onfocus="Backend.getScrollOffset()"></div><div style="clear:both"></div></li>';
}
// Return the tree
return '<ul class="tl_listing tree_view picker_selector' . ($this->strClass != '' ? ' ' . $this->strClass : '') . '" id="' . $this->strId . '">
<li class="tl_folder_top"><div class="tl_left">' . \Image::getHtml($GLOBALS['TL_DCA']['tl_page']['list']['sorting']['icon'] ?: 'pagemounts.svg') . ' ' . (\Config::get('websiteTitle') ?: 'Contao Open Source CMS') . '</div> <div class="tl_right"> </div><div style="clear:both"></div></li><li class="parent" id="' . $this->strId . '_parent"><ul>' . $tree . $strReset . '
</ul></li></ul>';
}