public function FileReplaceForm::form in File Replace (D8) 8

Gets the actual form array to be built.

Overrides ContentEntityForm::form

See also

\Drupal\Core\Entity\EntityForm::processForm()

\Drupal\Core\Entity\EntityForm::afterBuild()

File

src/Form/FileReplaceForm.php, line 33

Class

FileReplaceForm

Form controller for the file replace forms.

Namespace

Drupal\file_replace\Form

Code

public function form(array $form, FormStateInterface $form_state) {

  /** @var \Drupal\file\FileInterface $file */
  $file = $this
    ->getEntity();
  $form['original'] = [
    '#type' => 'fieldset',
    '#title' => t('Original'),
  ];
  $form['original']['link'] = [
    '#theme' => 'file_link',
    '#file' => $file,
    '#cache' => [
      'tags' => $file
        ->getCacheTags(),
    ],
  ];
  $extension = pathinfo($file
    ->getFileUri(), PATHINFO_EXTENSION);
  $form['replacement'] = [
    '#type' => 'fieldset',
    '#title' => t('Replacement'),
  ];
  $form['replacement']['replacement'] = [
    '#type' => 'file',
    '#description' => $this
      ->t('Select a file with extension .%extension and mimetype %mimetype to replace this file with.', [
      '%extension' => $extension,
      '%mimetype' => $file
        ->getMimeType(),
    ]),
    '#upload_validators' => [
      'file_validate_extensions' => [
        $extension,
      ],
    ],
    '#attributes' => [
      'accept' => $file
        ->getMimeType(),
    ],
  ];
  return parent::form($form, $form_state);
}