public function ExtraImageFieldClassesFormatter::settingsForm in Extra Image Field Classes 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 ImageFormatter::settingsForm

File

src/Plugin/Field/FieldFormatter/ExtraImageFieldClassesFormatter.php, line 32

Class

ExtraImageFieldClassesFormatter

Plugin implementation of the 'extra_image_field_classes' formatter.

Namespace

Drupal\extra_image_field_classes\Plugin\Field\FieldFormatter

Code

public function settingsForm(array $form, FormStateInterface $form_state) {
  $element = parent::settingsForm($form, $form_state);
  $element['extra_image_field_classes'] = array(
    '#type' => 'textfield',
    '#title' => t('Extra Image Field Classes'),
    '#default_value' => $this
      ->getSetting('extra_image_field_classes'),
    '#description' => t('Provide spaces for separating CSS class names'),
  );
  return $element;
}