function comment_entity_view_display_presave

Implements hook_ENTITY_TYPE_presave() for entity_view_display entities.

File

core/modules/comment/comment.module, line 742

Enables users to comment on published content.

Code

function comment_entity_view_display_presave(EntityViewDisplayInterface $display) {

  // Act only on comment view displays being disabled.
  if ($display
    ->isNew() || $display
    ->getTargetEntityTypeId() !== 'comment' || $display
    ->status()) {
    return;
  }
  $storage = \Drupal::entityTypeManager()
    ->getStorage('entity_view_display');
  if (!$storage
    ->loadUnchanged($display
    ->getOriginalId())
    ->status()) {
    return;
  }

  // Disable the comment field formatter when the used view display is disabled.
  foreach ($storage
    ->loadMultiple() as $view_display) {
    $changed = FALSE;

    /** @var \Drupal\Core\Entity\Display\EntityViewDisplayInterface $view_display */
    foreach ($view_display
      ->getComponents() as $field => $component) {
      if (isset($component['type']) && $component['type'] === 'comment_default') {
        if ($component['settings']['view_mode'] === $display
          ->getMode()) {
          $view_display
            ->removeComponent($field);

          /** @var \Drupal\Core\Entity\EntityViewModeInterface $mode */
          $mode = EntityViewMode::load($display
            ->getTargetEntityTypeId() . '.' . $display
            ->getMode());
          $arguments = [
            '@id' => $view_display
              ->id(),
            '@name' => $field,
            '@display' => $mode
              ->label(),
            '@mode' => $display
              ->getMode(),
          ];
          \Drupal::logger('system')
            ->warning("View display '@id': Comment field formatter '@name' was disabled because it is using the comment view display '@display' (@mode) that was just disabled.", $arguments);
          $changed = TRUE;
        }
      }
    }
    if ($changed) {
      $view_display
        ->save();
    }
  }
}