public function url_for_parent_directory($entry, $parent_id = null)
{
if (is_array($entry)) {
$entry = reset($entry);
}
if (!is_object($entry)) {
$entry = new DirectoryEntry($entry);
}
$parent_id = $parent_id ?: FileHelper::getParentId($entry->id) ?: $this->context_id;
$parent_page = $this->getPageForIndex($entry->indexInparent());
return $this->url_for('document/files/index/' . $parent_id . '/' . $parent_page);
}
