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function diff_views_data in Diff 8

Implements hook_views_data().

File

./diff.views.inc, line 11
Provide views data for diff.module.

Code

function diff_views_data() {
  $data = [];

  /** @var \Drupal\Core\Entity\EntityTypeInterface $entity_type */
  foreach (\Drupal::entityTypeManager()
    ->getDefinitions() as $entity_type) {

    // Add the diff_from and diff_to fields to every revisionable entity type.
    if ($entity_type
      ->isRevisionable()) {
      $revision_base_table = $entity_type
        ->getRevisionDataTable() ?: $entity_type
        ->getRevisionTable();
      $data[$revision_base_table]['diff_from'] = [
        'title' => t('Diff from'),
        'help' => 'Diff "from" radio button to compare revisions. Also adds the "Compare" button.',
        'field' => [
          'id' => 'diff__from',
        ],
      ];
      $data[$revision_base_table]['diff_to'] = [
        'title' => t('Diff to'),
        'help' => 'Diff "to" radio button to compare revisions.',
        'field' => [
          'id' => 'diff__to',
        ],
      ];
    }
  }
  return $data;
}