DynamicEntityReferenceFieldItemList.php in Dynamic Entity Reference 8.2
File
src/Plugin/Field/FieldType/DynamicEntityReferenceFieldItemList.php
View source
<?php
namespace Drupal\dynamic_entity_reference\Plugin\Field\FieldType;
use Drupal\Core\Entity\FieldableEntityInterface;
use Drupal\Core\Entity\Plugin\Validation\Constraint\ValidReferenceConstraint;
use Drupal\Core\Field\EntityReferenceFieldItemList;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Form\FormStateInterface;
class DynamicEntityReferenceFieldItemList extends EntityReferenceFieldItemList {
public function getConstraints() {
$constraints = parent::getConstraints();
foreach ($constraints as $key => $constraint) {
if ($constraint instanceof ValidReferenceConstraint) {
unset($constraints[$key]);
}
}
$constraints = array_values($constraints);
$constraint_manager = $this
->getTypedDataManager()
->getValidationConstraintManager();
$constraints[] = $constraint_manager
->create('ValidDynamicReference', []);
return $constraints;
}
public function referencedEntities() {
if ($this
->isEmpty()) {
return [];
}
$target_entities = $ids = [];
foreach ($this->list as $delta => $item) {
if ($item->target_id !== NULL && $item->target_type !== NULL) {
$ids[$item->target_type][$delta] = $item->target_id;
}
elseif ($item
->hasNewEntity()) {
$target_entities[$delta] = $item->entity;
}
}
if ($ids) {
foreach ($ids as $target_type => $entity_type_ids) {
$entities = \Drupal::entityTypeManager()
->getStorage($target_type)
->loadMultiple($entity_type_ids);
foreach ($entity_type_ids as $delta => $target_id) {
if (isset($entities[$target_id])) {
$target_entities[$delta] = $entities[$target_id];
}
}
}
ksort($target_entities);
}
return $target_entities;
}
public static function processDefaultValue($default_value, FieldableEntityInterface $entity, FieldDefinitionInterface $definition) {
$manager = \Drupal::entityTypeManager();
if ($default_value) {
$all_uuids = [];
foreach ($default_value as $delta => $properties) {
if (isset($properties['target_uuid'])) {
$target_type = $properties['target_type'];
$all_uuids[$target_type][$delta] = $properties['target_uuid'];
}
}
$entity_uuids = [];
foreach ($all_uuids as $target_type => $uuids) {
if ($uuids) {
$entities = $manager
->getStorage($target_type)
->loadByProperties([
'uuid' => $uuids,
]);
$entity_uuids[$target_type] = [];
foreach ($entities as $id => $entity) {
$entity_uuids[$target_type][$entity
->uuid()] = $id;
}
foreach ($uuids as $delta => $uuid) {
if (isset($entity_uuids[$target_type]) && isset($entity_uuids[$target_type][$uuid])) {
$default_value[$delta]['target_id'] = $entity_uuids[$target_type][$uuid];
unset($default_value[$delta]['target_uuid']);
}
else {
unset($default_value[$delta]);
}
}
}
}
$default_value = array_values($default_value);
}
return $default_value;
}
public function defaultValuesFormSubmit(array $element, array &$form, FormStateInterface $form_state) {
$manager = \Drupal::entityTypeManager();
$default_value = [];
if ($widget = $this
->defaultValueWidget($form_state)) {
$widget
->extractFormValues($this, $element, $form_state);
$default_value = $this
->getValue();
}
$all_ids = [];
foreach ($default_value as $delta => $properties) {
if (isset($properties['entity']) && $properties['entity']
->isNew()) {
$properties['entity']
->save();
$default_value[$delta]['target_id'] = $properties['entity']
->id();
$default_value[$delta]['target_type'] = $properties['entity']
->getEntityTypeId();
unset($default_value[$delta]['entity']);
}
$all_ids[$default_value[$delta]['target_type']][] = $default_value[$delta]['target_id'];
}
$entities = [];
foreach ($all_ids as $target_type => $ids) {
$entities[$target_type] = $manager
->getStorage($target_type)
->loadMultiple($ids);
}
foreach ($default_value as $delta => $properties) {
unset($default_value[$delta]['target_id']);
$default_value[$delta]['target_uuid'] = $entities[$properties['target_type']][$properties['target_id']]
->uuid();
}
return $default_value;
}
}