/**
* Add a child to this item
*
* If the child is active this item gets activated as well.
*
* @param NavigationItem $child
*
* @return $this
*/
public function addChild(NavigationItem $child)
{
$this->getChildren()->addItem($child->setParent($this));
if ($child->getActive()) {
$this->setActive();
}
return $this;
}
