public function BarcodeWidget::settingsForm in Barcode 8

Returns a form to configure settings for the widget.

Invoked from \Drupal\field_ui\Form\EntityDisplayFormBase to allow administrators to configure the widget. 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 definition for the widget settings.

Overrides WidgetBase::settingsForm

File

src/Plugin/Field/FieldWidget/BarcodeWidget.php, line 36

Class

BarcodeWidget

Defines the 'barcode' field widget.

Namespace

Drupal\barcode\Plugin\Field\FieldWidget

Code

public function settingsForm(array $form, FormStateInterface $form_state) {
  $settings = $this
    ->getSettings();
  $types = $this
    ->getFieldSetting('types');
  $element['default'] = [
    '#type' => 'select',
    '#title' => $this
      ->t('Default Barcode Type'),
    '#required' => TRUE,
    '#options' => $types,
    '#default_value' => $settings['default'] ? $settings['default'] : @array_pop(array_keys($types)),
  ];
  $element['custom_placeholder'] = [
    '#type' => 'textfield',
    '#title' => $this
      ->t('Placeholder'),
    '#default_value' => $settings['custom_placeholder'],
    '#description' => $this
      ->t('Text that will be shown inside the field until a value is entered. Leave blank to use the placeholder for the barcode type.'),
  ];
  return $element;
}