/**
* Returns the root node for a tree.
*
* @throws RootNodeNotFoundException
*
* @return AbstractCategory
*/
public function getRootNode()
{
$rootNodes = $this->entityRepository->getRootNodes();
if (count($rootNodes) == 0) {
throw new RootNodeNotFoundException();
}
$rootNode = reset($rootNodes);
return $rootNode;
}
/**
* Allows the following 'virtual' methods:
* - persistAsFirstChild($node)
* - persistAsFirstChildOf($node, $parent)
* - persistAsLastChild($node)
* - persistAsLastChildOf($node, $parent)
* - persistAsNextSibling($node)
* - persistAsNextSiblingOf($node, $sibling)
* - persistAsPrevSibling($node)
* - persistAsPrevSiblingOf($node, $sibling)
* Inherited virtual methods:
* - find*
*
* @see \Doctrine\ORM\EntityRepository
* @throws InvalidArgumentException - If arguments are invalid
* @throws BadMethodCallException - If the method called is an invalid find* or persistAs* method
* or no find* either persistAs* method at all and therefore an invalid method call.
* @return mixed - TreeNestedRepository if persistAs* is called
*/
public function __call($method, $args)
{
if (substr($method, 0, 9) === 'persistAs') {
if (!isset($args[0])) {
throw new \Gedmo\Exception\InvalidArgumentException('Node to persist must be available as first argument');
}
$node = $args[0];
$meta = $this->getClassMetadata();
$config = $this->listener->getConfiguration($this->_em, $meta->name);
$position = substr($method, 9);
if (substr($method, -2) === 'Of') {
if (!isset($args[1])) {
throw new \Gedmo\Exception\InvalidArgumentException('If "Of" is specified you must provide parent or sibling as the second argument');
}
$parent = $args[1];
$meta->getReflectionProperty($config['parent'])->setValue($node, $parent);
$position = substr($position, 0, -2);
}
$oid = spl_object_hash($node);
$this->listener->getStrategy($this->_em, $meta->name)->setNodePosition($oid, $position);
$this->_em->persist($node);
return $this;
}
return parent::__call($method, $args);
}
/**
* Allows the following 'virtual' methods:
* - persistAsFirstChild($node)
* - persistAsFirstChildOf($node, $parent)
* - persistAsLastChild($node)
* - persistAsLastChildOf($node, $parent)
* - persistAsNextSibling($node)
* - persistAsNextSiblingOf($node, $sibling)
* - persistAsPrevSibling($node)
* - persistAsPrevSiblingOf($node, $sibling)
* Inherited virtual methods:
* - find*
*
* @see \Doctrine\ORM\EntityRepository
* @throws InvalidArgumentException - If arguments are invalid
* @throws BadMethodCallException - If the method called is an invalid find* or persistAs* method
* or no find* either persistAs* method at all and therefore an invalid method call.
* @return mixed - TreeNestedRepository if persistAs* is called
*/
public function __call($method, $args)
{
if (substr($method, 0, 9) === 'persistAs') {
if (!isset($args[0])) {
throw new \Gedmo\Exception\InvalidArgumentException('Node to persist must be available as first argument');
}
$node = $args[0];
$wrapped = new EntityWrapper($node, $this->_em);
$meta = $this->getClassMetadata();
$config = $this->listener->getConfiguration($this->_em, $meta->name);
$position = substr($method, 9);
if (substr($method, -2) === 'Of') {
if (!isset($args[1])) {
throw new \Gedmo\Exception\InvalidArgumentException('If "Of" is specified you must provide parent or sibling as the second argument');
}
$parentOrSibling = $args[1];
if (strstr($method, 'Sibling')) {
$wrappedParentOrSibling = new EntityWrapper($parentOrSibling, $this->_em);
$newParent = $wrappedParentOrSibling->getPropertyValue($config['parent']);
if (is_null($newParent)) {
throw new UnexpectedValueException("Cannot persist sibling for a root node, tree operation is not possible");
}
$node->sibling = $parentOrSibling;
$parentOrSibling = $newParent;
}
$wrapped->setPropertyValue($config['parent'], $parentOrSibling);
$position = substr($position, 0, -2);
}
$wrapped->setPropertyValue($config['left'], 0);
// simulate changeset
$oid = spl_object_hash($node);
$this->listener->getStrategy($this->_em, $meta->name)->setNodePosition($oid, $position);
$this->_em->persist($node);
return $this;
}
return parent::__call($method, $args);
}
public function getFlatTreeByQuery(AbstractTreeRepository $repository, \Doctrine\ORM\Query $query)
{
return $repository->buildTreeArray($query->getArrayResult());
}