/**
* Add classes to the current link and its ancestors
* @param \Laasti\Navigation\MenuLink $link
*/
protected function activate(MenuLink $link)
{
$link->setAttribute('class', $link->getAttribute('class') . ' ' . $this->classes['active']);
$link->setContainerAttribute('class', $link->getContainerAttribute('class') . ' ' . $this->classes['container_active']);
$parent = $link->getParent();
$level = 0;
while ($parent instanceof Menu || $parent instanceof MenuLink) {
if ($parent instanceof Menu) {
$parent = $parent->getParent();
continue;
}
if (!$level) {
$parent->setAttribute('class', $parent->getAttribute('class') . ' ' . $this->classes['parent']);
$parent->setContainerAttribute('class', $parent->getContainerAttribute('class') . ' ' . $this->classes['container_parent']);
} else {
$parent->setAttribute('class', $parent->getAttribute('class') . ' ' . $this->classes['ancestor']);
$parent->setContainerAttribute('class', $parent->getContainerAttribute('class') . ' ' . $this->classes['container_ancestor']);
}
$level++;
$parent = $parent->getParent();
}
}