public function NumberWidget::settingsForm in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/NumberWidget.php \Drupal\Core\Field\Plugin\Field\FieldWidget\NumberWidget::settingsForm()
2. 10 core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/NumberWidget.php \Drupal\Core\Field\Plugin\Field\FieldWidget\NumberWidget::settingsForm()

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

core/lib/Drupal/Core/Field/Plugin/Field/FieldWidget/NumberWidget.php, line 38

Class

NumberWidget

Plugin implementation of the 'number' widget.

Namespace

Drupal\Core\Field\Plugin\Field\FieldWidget

Code

public function settingsForm(array $form, FormStateInterface $form_state) {
  $element['placeholder'] = [
    '#type' => 'textfield',
    '#title' => t('Placeholder'),
    '#default_value' => $this
      ->getSetting('placeholder'),
    '#description' => t('Text that will be shown inside the field until a value is entered. This hint is usually a sample value or a brief description of the expected format.'),
  ];
  return $element;
}