Validates the upload element.

Parameters

array $element: The upload element.

\Drupal\Core\Form\FormStateInterface $form_state: The form state.

Return value

array The processed upload element.

File

core/modules/media_library/src/Form/FileUploadForm.php, line 205

Class

FileUploadForm

Creates a form to create media entities from uploaded files.

Namespace

Drupal\media_library\Form

Code

public function validateUploadElement(array $element, FormStateInterface $form_state) {
  if ($form_state::hasAnyErrors()) {
    // When an error occurs during uploading files, remove all files so the
    // user can re-upload the files.
    $element['#value'] = [];
  }
  $values = $form_state->getValue('upload', []);
  if (count($values['fids']) > $element['#cardinality'] && $element['#cardinality'] !== FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED) {
    $form_state->setError($element, $this->t('A maximum of @count files can be uploaded.', [
      '@count' => $element['#cardinality'],
    ]));
    $form_state->setValue('upload', []);
    $element['#value'] = [];
  }
  return $element;
}

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