public function ImageWidget::formElement in Drupal 10

Same name and namespace in other branches

1. 8 core/modules/image/src/Plugin/Field/FieldWidget/ImageWidget.php \Drupal\image\Plugin\Field\FieldWidget\ImageWidget::formElement()
2. 9 core/modules/image/src/Plugin/Field/FieldWidget/ImageWidget.php \Drupal\image\Plugin\Field\FieldWidget\ImageWidget::formElement()

File

core/modules/image/src/Plugin/Field/FieldWidget/ImageWidget.php, line 142

Class

ImageWidget

Plugin implementation of the 'image_image' widget.

Namespace

Drupal\image\Plugin\Field\FieldWidget

Code

public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
  $element = parent::formElement($items, $delta, $element, $form, $form_state);
  $field_settings = $this
    ->getFieldSettings();

  // Add image validation.
  $element['#upload_validators']['file_validate_is_image'] = [];

  // Add upload resolution validation.
  if ($field_settings['max_resolution'] || $field_settings['min_resolution']) {
    $element['#upload_validators']['file_validate_image_resolution'] = [
      $field_settings['max_resolution'],
      $field_settings['min_resolution'],
    ];
  }
  $extensions = $field_settings['file_extensions'];
  $supported_extensions = $this->imageFactory
    ->getSupportedExtensions();

  // If using custom extension validation, ensure that the extensions are
  // supported by the current image toolkit. Otherwise, validate against all
  // toolkit supported extensions.
  $extensions = !empty($extensions) ? array_intersect(explode(' ', $extensions), $supported_extensions) : $supported_extensions;
  $element['#upload_validators']['file_validate_extensions'][0] = implode(' ', $extensions);

  // Add mobile device image capture acceptance.
  $element['#accept'] = 'image/*';

  // Add properties needed by process() method.
  $element['#preview_image_style'] = $this
    ->getSetting('preview_image_style');
  $element['#title_field'] = $field_settings['title_field'];
  $element['#title_field_required'] = $field_settings['title_field_required'];
  $element['#alt_field'] = $field_settings['alt_field'];
  $element['#alt_field_required'] = $field_settings['alt_field_required'];

  // Default image.
  $default_image = $field_settings['default_image'];
  if (empty($default_image['uuid'])) {
    $default_image = $this->fieldDefinition
      ->getFieldStorageDefinition()
      ->getSetting('default_image');
  }

  // Convert the stored UUID into a file ID.
  if (!empty($default_image['uuid']) && ($entity = \Drupal::service('entity.repository')
    ->loadEntityByUuid('file', $default_image['uuid']))) {
    $default_image['fid'] = $entity
      ->id();
  }
  $element['#default_image'] = !empty($default_image['fid']) ? $default_image : [];
  return $element;
}