/**
* Renders all of the children of this landmark.
*
* This calls ->renderItem() on each landmark item, which instructs each
* landmark item to render themselves as an <li> tag (with nested ul if it
* has children).
* This method updates the depth for the children.
*
* @param ItemInterface $item
* @param array $options The options to render the item.
*
* @return string
*/
protected function renderChildren(ItemInterface $item, array $options)
{
// render children with a depth - 1
if (null !== $options['depth']) {
$options['depth'] = $options['depth'] - 1;
}
$html = '';
foreach ($item->getChildren() as $child) {
$html .= $this->renderItem($child, $options);
}
return $html;
}
public function isAncestor(ItemInterface $item, $depth = null)
{
if (0 === $depth) {
return false;
}
$childDepth = null === $depth ? null : $depth - 1;
foreach ($item->getChildren() as $child) {
if ($this->isCurrent($child) || $this->isAncestor($child, $childDepth)) {
return true;
}
}
return false;
}
