public function Select2EntityReferenceWidget::settingsForm in Select 2 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 Select2Widget::settingsForm

File

src/Plugin/Field/FieldWidget/Select2EntityReferenceWidget.php, line 71

Class

Select2EntityReferenceWidget

Plugin implementation of the 'select2' widget.

Namespace

Drupal\select2\Plugin\Field\FieldWidget

Code

public function settingsForm(array $form, FormStateInterface $form_state) {
  $element = parent::settingsForm($form, $form_state);
  $element['autocomplete'] = [
    '#type' => 'checkbox',
    '#title' => $this
      ->t('Autocomplete'),
    '#default_value' => $this
      ->getSetting('autocomplete'),
    '#description' => $this
      ->t('Options will be lazy loaded. This is recommended for lists with a lot of values.'),
  ];
  $element['match_operator'] = [
    '#type' => 'radios',
    '#title' => $this
      ->t('Autocomplete matching'),
    '#default_value' => $this
      ->getSetting('match_operator'),
    '#options' => $this
      ->getMatchOperatorOptions(),
    '#description' => $this
      ->t('Select the method used to collect autocomplete suggestions. Note that <em>Contains</em> can cause performance issues on sites with thousands of entities.'),
    '#states' => [
      'visible' => [
        ':input[name$="[settings_edit_form][settings][autocomplete]"]' => [
          'checked' => TRUE,
        ],
      ],
    ],
  ];
  $element['match_limit'] = [
    '#type' => 'number',
    '#title' => $this
      ->t('Number of results'),
    '#default_value' => $this
      ->getSetting('match_limit'),
    '#min' => 0,
    '#description' => $this
      ->t('The number of suggestions that will be listed. Use <em>0</em> to remove the limit.'),
    '#states' => [
      'visible' => [
        ':input[name$="[settings_edit_form][settings][autocomplete]"]' => [
          'checked' => TRUE,
        ],
      ],
    ],
  ];
  return $element;
}