/**
* Add a child URL.
*
* @param T_CompositeLeaf $child child URL object.
* @return T_Url_Collection fluent interface
*/
function addChild(T_CompositeLeaf $child, $key = null)
{
$child->setParent($this);
if (isset($key)) {
$this->children[$key] = $child;
} else {
$this->children[] = $child;
}
if ($child->isActive()) {
$this->setActive();
}
return $this;
}
/**
* Get the class of a node.
*
* @param T_CompositeLeaf $node
*/
protected function getClass($node)
{
$class = false;
if ($node instanceof T_Url_Leaf) {
if ($node->isActive()) {
$class = 'cur ';
}
$c = $node->getComposite();
if ($c && $c->isChildren()) {
$class .= 'parent';
}
}
return $class ? trim($class) : false;
}
