public function LinkClassFieldWidget::settingsForm in Link class 8

Same name and namespace in other branches

1. 2.0.x src/Plugin/Field/FieldWidget/LinkClassFieldWidget.php \Drupal\link_class\Plugin\Field\FieldWidget\LinkClassFieldWidget::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 LinkWidget::settingsForm

File

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

Class

LinkClassFieldWidget

Plugin implementation of the 'link_class_field_widget' widget.

Namespace

Drupal\link_class\Plugin\Field\FieldWidget

Code

public function settingsForm(array $form, FormStateInterface $form_state) {
  $element = parent::settingsForm($form, $form_state);
  $field_name = $this->fieldDefinition
    ->getName();
  $element['link_class_mode'] = [
    '#type' => 'radios',
    '#title' => $this
      ->t('Method for adding class'),
    '#options' => $this
      ->getModeOptions(),
    '#default_value' => $this
      ->getSetting('link_class_mode'),
    '#description' => $this
      ->t('Select the method you want to use for adding class.'),
  ];
  $element['link_class_force'] = [
    '#type' => 'textfield',
    '#title' => $this
      ->t('Link classes'),
    '#default_value' => $this
      ->getSetting('link_class_force'),
    '#description' => $this
      ->t('Set the classes to add on each link. Classes must be separated by a space.'),
    '#attributes' => [
      'placeholder' => 'btn btn-default',
    ],
    '#size' => '30',
    '#states' => [
      'visible' => [
        ':input[name="fields[' . $field_name . '][settings_edit_form][settings][link_class_mode]"]' => [
          'value' => 'force_class',
        ],
      ],
    ],
  ];
  $element['link_class_select'] = [
    '#type' => 'textarea',
    '#title' => $this
      ->t('Define possibles classes'),
    '#default_value' => $this
      ->getSetting('link_class_select'),
    '#description' => $this
      ->selectClassDescription(),
    '#attributes' => [
      'placeholder' => 'btn btn-default|Default button' . PHP_EOL . 'btn btn-primary|Primary button',
    ],
    '#size' => '30',
    '#states' => [
      'visible' => [
        ':input[name="fields[' . $field_name . '][settings_edit_form][settings][link_class_mode]"]' => [
          'value' => 'select_class',
        ],
      ],
    ],
  ];
  return $element;
}