public function FileLinkItem::fieldSettingsForm in File Link 8

Same name and namespace in other branches

1. 2.0.x src/Plugin/Field/FieldType/FileLinkItem.php \Drupal\file_link\Plugin\Field\FieldType\FileLinkItem::fieldSettingsForm()

Returns a form for the field-level settings.

Invoked from \Drupal\field_ui\Form\FieldConfigEditForm to allow administrators to configure field-level settings.

Parameters

array $form: The form where the settings form is being included in.

\Drupal\Core\Form\FormStateInterface $form_state: The form state of the (entire) configuration form.

Return value

array The form definition for the field settings.

Overrides LinkItem::fieldSettingsForm

File

src/Plugin/Field/FieldType/FileLinkItem.php, line 112

Class

FileLinkItem

Implements a 'file_link' plugin field type.

Namespace

Drupal\file_link\Plugin\Field\FieldType

Code

public function fieldSettingsForm(array $form, FormStateInterface $form_state) {
  $element = parent::fieldSettingsForm($form, $form_state);

  // Make the extension list a little more human-friendly by comma-separation.
  $extensions = str_replace(' ', ', ', $this
    ->getSetting('file_extensions'));
  $element['file_extensions'] = [
    '#type' => 'textfield',
    '#title' => $this
      ->t('Allowed file extensions'),
    '#default_value' => $extensions,
    '#description' => $this
      ->t('Separate extensions with a space or comma and do not include the leading dot. Leave empty to allow any extension.'),
    // Use the 'file' field type validator.
    '#element_validate' => [
      [
        FileItem::class,
        'validateExtensions',
      ],
    ],
    '#maxlength' => 256,
  ];
  $element['no_extension'] = [
    '#type' => 'checkbox',
    '#title' => $this
      ->t('Allow URLs without file extension'),
    '#description' => $this
      ->t('The link can refer a document such as a wiki page or a dynamic generated page that has no extension. Check this if you want to allow such URLs.'),
    '#default_value' => $this
      ->getSetting('no_extension'),
  ];
  return $element;
}