function focal_point_entity_update in Focal Point 8

Implements hook_entity_update().

Saves the focal point value for the image file entity about to be saved.

1 call to focal_point_entity_update()

focal_point_entity_insert in ./focal_point.module

Implements hook_entity_insert().

File

./focal_point.module, line 61

Allow users to specify a focal point on content images.

Code

function focal_point_entity_update(EntityInterface $entity) {

  // Only worry about entities that are fieldable.
  if ($entity instanceof FieldableEntityInterface) {

    // Loop all the fields and save focal point values for images.
    foreach ($entity
      ->getFieldDefinitions() as $key => $field) {
      if ($field
        ->getType() == 'image' && $entity
        ->hasField($field
        ->getName())) {
        $crop_type = \Drupal::config('focal_point.settings')
          ->get('crop_type');

        // Loop through all values for this field. Its cardinality might be > 1.
        foreach ($entity->{$field
          ->getName()} as $item) {

          /** @var \Drupal\focal_point\FocalPointManagerInterface $focal_point_manager */
          $focal_point_manager = \Drupal::service('focal_point.manager');
          if (!$item->entity instanceof FileInterface) {
            continue;
          }
          $crop = $focal_point_manager
            ->getCropEntity($item->entity, $crop_type);
          $focal_point = NULL;

          // Use the default focal point on new crop entities.
          if ($crop
            ->isNew()) {
            $focal_point = \Drupal::config('focal_point.settings')
              ->get('default_value');
          }

          // Use the focal point set over the UI.
          if (!empty($item->focal_point)) {
            $focal_point = $item->focal_point;

            // Keep the original focal_point value to be able to use it during hooks.
            if (!$crop
              ->get('x')
              ->isEmpty() && !$crop
              ->get('y')
              ->isEmpty()) {
              $x = $crop
                ->get('x')->value;
              $y = $crop
                ->get('y')->value;
              $focal_point_original = $focal_point_manager
                ->absoluteToRelative($x, $y, $item->width, $item->height);
              $entity->{$field
                ->getName()}->focal_point_original = join(',', $focal_point_original);
            }
          }
          if ($focal_point) {
            list($x, $y) = explode(',', $focal_point);
            $focal_point_manager
              ->saveCropEntity($x, $y, $item->width, $item->height, $crop);
          }
        }
      }
    }
  }
}