/**
* Returns the query builder needed to update the numChildren value of a node
*
* @param Node $node
* @param string $path
* @param string $incDec inc|dec
* @return QueryBuilder
*/
public function getUpdateNumChildrenQueryBuilder($node, $path, $dir = 'inc')
{
$dir = $dir == 'inc' ? '+' : '-';
$qb = $this->hm->getEntityManager()->createQueryBuilder()->update($this->classMetadata->name, 'e');
$rval = $node->getNumChildrenFieldName() . $dir . '1';
$qb->set('e.' . $node->getNumChildrenFieldName(), 'e.' . $rval);
$qb->where($qb->expr()->eq('e.' . $node->getPathFieldName(), $qb->expr()->literal($path)));
return $qb;
}
/**
* Update stuff when moving to a child
*
* @param string $pos
* @param Node $target
* @param integer $newDepth
* @return array
**/
protected function _fixMoveToChild($pos, $target, $newDepth)
{
$newDepth = $target->getDepth();
$siblings = array();
if (in_array($pos, array('first-child', 'last-child', 'sorted-child'))) {
$parent = $target;
$newDepth++;
if ($target->isLeaf()) {
$newPos = 1;
$pos = 'first-sibling';
$siblings = array();
// TODO - hmm
} else {
$target = $target->getLastChild();
$pos = str_replace('child', 'sibling', $pos);
}
$this->classMetadata->reflValues[$this->getNumChildrenFieldName()]->setValue($parent, $parent->getNumberOfChildren() + 1);
}
return array($pos, $target, $newDepth, $siblings, $newPos);
}
