ConfigPagesReferenceFieldFormatter.php in Config Pages 8.2
File
src/Plugin/Field/FieldFormatter/ConfigPagesReferenceFieldFormatter.phpView source
<?php
namespace Drupal\config_pages\Plugin\Field\FieldFormatter;
use Drupal\config_pages\ConfigPagesInterface;
use Drupal\Core\Cache\CacheableMetadata;
use Drupal\Core\Field\EntityReferenceFieldItemListInterface;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceEntityFormatter;
/**
* Plugin implementation of the 'config page entity reference' formatter.
*
* @FieldFormatter(
* id = "cp_entity_reference_label",
* label = @Translation("Config Page entity"),
* description = @Translation("Display the referenced config page."),
* field_types = {
* "entity_reference"
* }
* )
*/
class ConfigPagesReferenceFieldFormatter extends EntityReferenceEntityFormatter {
/**
* {@inheritdoc}
*/
protected function getEntitiesToView(EntityReferenceFieldItemListInterface $items, $langcode) {
$entities = [];
foreach ($items as $delta => $item) {
// Ignore items where no entity could be loaded in prepareView().
if (empty($item->_loaded)) {
continue;
}
$entity = $item->entity;
$access = $this
->checkAccess($entity);
// Add the access result's cacheability, ::view() needs it.
$item->_accessCacheability = CacheableMetadata::createFromObject($access);
if ($access
->isAllowed()) {
// Add the referring item, in case the formatter needs it.
$entity->_referringItem = $items[$delta];
$configPageType = $entity
->id();
$storage = $this->entityTypeManager
->getStorage('config_pages');
$configPage = $storage
->load($configPageType);
if ($configPage instanceof ConfigPagesInterface) {
$entities[$delta] = $configPage;
}
}
}
return $entities;
}
/**
* {@inheritdoc}
*/
public static function isApplicable(FieldDefinitionInterface $field_definition) {
// This formatter is only available for 'config_pages_type' target type.
$target_type = $field_definition
->getFieldStorageDefinition()
->getSetting('target_type');
return $target_type === 'config_pages_type';
}
}
Classes
Name | Description |
---|---|
ConfigPagesReferenceFieldFormatter | Plugin implementation of the 'config page entity reference' formatter. |