Implements Drupal\field\Plugin\Type\Widget\WidgetInterface::settingsForm().
Overrides WidgetBase::settingsForm
public function settingsForm(array $form, array &$form_state) {
$definition = $this
->getDefinition();
$function = $definition['module'] . '_field_widget_settings_form';
if (function_exists($function)) {
return $function($this->field, $this->instance);
}
return array();
}