/**
* Создание элементов дерева
* @param array $elements
* @param string $element_tpl
* @param int|null $parent_id
*
* @return string
*/
protected function buildElements($elements, $element_tpl, $parent_id = null)
{
$tpl = new Mtpl();
$tpl->setTemplate($element_tpl);
foreach ($elements as $node) {
if ($node['parent_id'] === $parent_id) {
$tpl->assign('[URL]', $node['url']);
$tpl->assign('[TITLE]', $node['title']);
$tpl->assign('[ELEMENT_OPTIONS]', !empty($node['options']) ? json_encode($node['options']) : '');
$sub_elements = $this->buildElements($elements, $element_tpl, $node['id']);
$tpl->assign('[SUB_ELEMENTS]', $sub_elements !== $element_tpl ? '<ul>' . $sub_elements . '</ul>' : '');
$tpl->reassign();
}
}
return $tpl->render();
}
