Implements Drupal\field\Plugin\Type\Widget\WidgetInterface::formElement().
Overrides WidgetInterface::formElement
public function formElement(array $items, $delta, array $element, $langcode, array &$form, array &$form_state) {
$definition = $this
->getDefinition();
$function = $definition['module'] . '_field_widget_form';
if (function_exists($function)) {
// hook_field_widget_form() implementations read widget properties directly
// from $instance. Put the actual properties we use here, which might have
// been altered by hook_field_widget_property().
$instance = clone $this->instance;
$instance['widget']['type'] = $this
->getPluginId();
$instance['widget']['settings'] = $this
->getSettings();
return $function($form, $form_state, $this->field, $instance, $langcode, $items, $delta, $element);
}
return array();
}