public function GpgKeyFormatter::settingsForm in Mailhandler 8

Returns a form to configure settings for the formatter.

Invoked from \Drupal\field_ui\Form\EntityDisplayFormBase to allow administrators to configure the formatter. The field_ui module takes care of handling submitted form values.

Parameters

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

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

Return value

array The form elements for the formatter settings.

Overrides FormatterBase::settingsForm

File

src/Plugin/Field/FieldFormatter/GpgKeyFormatter.php, line 41

Class

GpgKeyFormatter

Plugin implementation of the 'mailhandler_gpg' formatter.

Namespace

Drupal\mailhandler\Plugin\Field\FieldFormatter

Code

public function settingsForm(array $form, FormStateInterface $form_state) {
  $display_options = [
    'all' => t('Public key + Fingerprint'),
    'public_key' => t('Public key'),
    'fingerprint' => t('Fingerprint'),
  ];
  $element['display'] = [
    '#title' => t('Display'),
    '#type' => 'select',
    '#default_value' => $this
      ->getSetting('display'),
    '#options' => $display_options,
    '#description' => t('Select a property to display.'),
  ];
  return $element;
}