image.views.inc in Drupal 8

Provide views data for image.module.

File

core/modules/image/image.views.inc

<?php

/**
 * @file
 * Provide views data for image.module.
 */
use Drupal\field\FieldStorageConfigInterface;

/**
 * Implements hook_field_views_data().
 *
 * Views integration for image fields. Adds an image relationship to the default
 * field data.
 *
 * @see views_field_default_views_data()
 */
function image_field_views_data(FieldStorageConfigInterface $field_storage) {
  $data = views_field_default_views_data($field_storage);
  foreach ($data as $table_name => $table_data) {

    // Add the relationship only on the target_id field.
    $data[$table_name][$field_storage
      ->getName() . '_target_id']['relationship'] = [
      'id' => 'standard',
      'base' => 'file_managed',
      'entity type' => 'file',
      'base field' => 'fid',
      'label' => t('image from @field_name', [
        '@field_name' => $field_storage
          ->getName(),
      ]),
    ];
  }
  return $data;
}

/**
 * Implements hook_field_views_data_views_data_alter().
 *
 * Views integration to provide reverse relationships on image fields.
 */
function image_field_views_data_views_data_alter(array &$data, FieldStorageConfigInterface $field_storage) {
  $entity_type_id = $field_storage
    ->getTargetEntityTypeId();
  $field_name = $field_storage
    ->getName();
  $entity_type_manager = \Drupal::entityTypeManager();
  $entity_type = $entity_type_manager
    ->getDefinition($entity_type_id);
  $pseudo_field_name = 'reverse_' . $field_name . '_' . $entity_type_id;

  /** @var \Drupal\Core\Entity\Sql\DefaultTableMapping $table_mapping */
  $table_mapping = $entity_type_manager
    ->getStorage($entity_type_id)
    ->getTableMapping();
  list($label) = views_entity_field_label($entity_type_id, $field_name);
  $data['file_managed'][$pseudo_field_name]['relationship'] = [
    'title' => t('@entity using @field', [
      '@entity' => $entity_type
        ->getLabel(),
      '@field' => $label,
    ]),
    'label' => t('@field_name', [
      '@field_name' => $field_name,
    ]),
    'help' => t('Relate each @entity with a @field set to the image.', [
      '@entity' => $entity_type
        ->getLabel(),
      '@field' => $label,
    ]),
    'group' => $entity_type
      ->getLabel(),
    'id' => 'entity_reverse',
    'base' => $entity_type
      ->getDataTable() ?: $entity_type
      ->getBaseTable(),
    'entity_type' => $entity_type_id,
    'base field' => $entity_type
      ->getKey('id'),
    'field_name' => $field_name,
    'field table' => $table_mapping
      ->getDedicatedDataTableName($field_storage),
    'field field' => $field_name . '_target_id',
    'join_extra' => [
      0 => [
        'field' => 'deleted',
        'value' => 0,
        'numeric' => TRUE,
      ],
    ],
  ];
}

Functions

Name	Description
image_field_views_data	Implements hook_field_views_data().
image_field_views_data_views_data_alter	Implements hook_field_views_data_views_data_alter().