public function root(Node $node)
{
while ($parent = $node->getParent()) {
$node = $parent;
if ($parent->isRoot()) {
return $parent;
}
}
}
public function indexOf(Node $node)
{
$count = $this->count();
for ($i = 0; $i < $count; $i++) {
if ($node->getId() == $this->_children[$i]->getId()) {
return $i;
}
}
throw new OutOfBoundsException('Node ' . $node->getId() . ' not found');
}
public function flatify(Node $node, &$flatArray = NULL)
{
if ($flatArray === NULL) {
$flatArray = [];
}
$flatArray[] = $node;
if (!$node->hasChildren()) {
return $flatArray;
}
foreach ($node->getChildren() as $child) {
$this->flatify($child, $flatArray);
}
return $flatArray;
}
/**
* Set the parent node of this node (Only in memory)
*
* @param self $parent
* @return self
*/
public function setParent(Node $parent)
{
$this->relations['parent'] = $parent;
$parent->addChild($this);
return $this;
}
protected function getLastChildPosition(Node $parent)
{
$parentIdName = $this->getParentIdName();
$query = $this->newQuery();
$pos = $query->where($parentIdName, $parent->getId())->max($this->getPositionName());
if (is_numeric($pos) && $pos) {
return (int) $pos + 1;
}
return 1;
}