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Added custom choice form type for tree structure entities.

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Jan Böhmer 2019-08-13 23:04:06 +02:00
parent 568367b59e
commit cfa807c621
7 changed files with 203 additions and 16 deletions
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22
src/Repository/StructuralDBElementRepository.php
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@ -46,7 +46,27 @@ class StructuralDBElementRepository extends EntityRepository
*/
public function findRootNodes() : array
{
return $this->findBy(['parent' => null]);
return $this->findBy(['parent' => null], ['name' => 'ASC']);
}
/**
* Gets a flattened hierachical tree. Useful for generating option lists.
* @param StructuralDBElement|null $parent This entity will be used as root element. Set to null, to use global root
* @return StructuralDBElement[] A flattened list containing the tree elements.
*/
public function toNodesList(?StructuralDBElement $parent = null): array
{
$result = array();
$entities = $this->findBy(['parent' => $parent], ['name' => 'ASC']);
foreach ($entities as $entity) {
/** @var StructuralDBElement $entity */
$result[] = $entity;
$result = array_merge($result, $this->toNodesList($entity));
}
return $result;
}
}