htmlAttributes([
'class' => 'hierarchy-tree js-hierarchy-tree',
'data-selected-id' => $selectedID,
'data-hierarchy-id' => $hierarchyID,
'data-source' => $driver->getSourceIdentifier(),
'data-context' => $context,
'data-preview-element' => $options['previewElement'] ?? '',
]);
if ($options['lightbox'] ?? false) {
$treeAttrs->add('data-lightbox', null);
}
if ($options['fullHierarchy'] ?? false) {
$treeAttrs->add('data-full-hierarchy', null);
}
// Function for rendering a tree level. Optimized to avoid extra objects or
// template calls and defined as array to avoid interfering with the plugin __call
// magic.
$this->renderTreeLevel = [function ($nodes, $context, $hierarchyID, $driver, $selectedID, $parentNodeId = '') {
$nodeId = 0;
$icons = [
'hierarchy-collection' => $this->icon('hierarchy-collection'),
'hierarchy-record' => $this->icon('hierarchy-record'),
'hierarchy-expand' => $this->icon('hierarchy-expand', 'hierarchy-tree__expand'),
'hierarchy-collapse' => $this->icon('hierarchy-collapse', 'hierarchy-tree__collapse'),
];
$escape = $this->plugin('escapeHtml');
// Use escapeHtml for performance (this data shouldn't contain anything that escapeHtmlAttr would be useful with)
$escapeAttr = $escape;
$truncate = $this->plugin('truncate');
foreach ($nodes as $node) {
$hasChildren = !empty($node->children);
$liClasses = [];
if ($hasChildren) {
$liClasses[] = 'hierarchy-tree__parent';
}
if ('collection' === $node->type) {
$liClasses[] = 'hierarchy-tree__collection';
$icon = 'hierarchy-collection';
} else {
$liClasses[] = 'hierarchy-tree__record';
$icon = 'hierarchy-record';
}
if ($selectedID === $node->id) {
$liClasses[] = 'hierarchy-tree__selected';
}
// Render the item first so that we can use it in two alternative cases:
$itemHtml = ''
. $icons[$icon]
. ' '
. $truncate($node->title, 100)
. '';
if ($hasChildren) {
echo '';
++$nodeId;
$childUlIdEsc = $escapeAttr('hierarchy_' . $context . '_' . $parentNodeId . '_' . $nodeId);
echo '';
echo " $itemHtml ";
echo '';
($this->renderTreeLevel[0])($node->children, $context, $hierarchyID, $driver, $selectedID, "{$parentNodeId}_$nodeId");
echo '
';
} else {
echo ''
. ' '
. $itemHtml;
echo '';
}
}
}];
?>
>
renderTreeLevel[0])($nodes, $context, $hierarchyID, $driver, $selectedID); ?>