drupal/core/modules/entity_reference/entity_reference.views.inc

57 lines
2.2 KiB
PHP

<?php
/**
* @file
* Provides views data for the entity_reference module.
*/
use Drupal\Core\Entity\ContentEntityDatabaseStorage;
use Drupal\field\FieldStorageConfigInterface;
/**
* Implements hook_field_views_data().
*/
function entity_reference_field_views_data(FieldStorageConfigInterface $field_storage) {
$data = field_views_field_default_views_data($field_storage);
$entity_manager = \Drupal::entityManager();
foreach ($data as $table_name => $table_data) {
// Add a relationship to the target entity type.
$target_entity_type_id = $field_storage->getSetting('target_type');
$target_entity_type = $entity_manager->getDefinition($target_entity_type_id);
$target_base_table = $target_entity_type->getBaseTable();
// Provide a relationship for the entity type with the entity reference
// field.
$args = array(
'@label' => $target_entity_type->getLabel(),
'@field_name' => $field_storage->getName(),
);
$data[$table_name][$field_storage->getName()]['relationship'] = array(
'id' => 'standard',
'base' => $target_base_table,
'entity type' => $target_entity_type_id,
'base field' => $target_entity_type->getKey('id'),
'relationship field' => $field_storage->getName() . '_target_id',
'title' => t('@label referenced from @field_name', $args),
'label' => t('@field_name: @label', $args),
);
// Provide a reverse relationship for the entity type that is referenced by
// the field.
$pseudo_field_name = 'reverse__' . $field_storage->getTargetEntityTypeId() . '__' . $field_storage->getName();
$data[$target_base_table][$pseudo_field_name]['relationship'] = array(
'title' => t('@label using @field_name', $args),
'help' => t('Relate each @label with a @field_name.', $args),
'id' => 'entity_reverse',
'field_name' => $field_storage->getName(),
'field table' => ContentEntityDatabaseStorage::_fieldTableName($field_storage),
'field field' => $field_storage->getName() . '_target_id',
'base' => $target_entity_type->getBaseTable(),
'base field' => $target_entity_type->getKey('id'),
'label' => t('@field_name', array('@field_name' => $field_storage->getName())),
);
}
return $data;
}