{% import '@lib/di.twig' as di %}
<?php

declare(strict_types=1);

namespace Drupal\{{ machine_name }}\Plugin\Field\FieldWidget;

{% apply sort_namespaces %}
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\WidgetBase;
use Drupal\Core\Form\FormStateInterface;
  {% if services %}
{{ di.use(services) }}
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
  {% endif %}
{% endapply %}

/**
 * Defines the '{{ plugin_id }}' field widget.
 *
 * @FieldWidget(
 *   id = "{{ plugin_id }}",
 *   label = @Translation("{{ plugin_label }}"),
 *   field_types = {"string"},
 * )
 */
final class {{ class }} extends WidgetBase {% if services %}implements ContainerFactoryPluginInterface {% endif %}{

{% if services %}
  /**
   * Constructs the plugin instance.
   */
  public function __construct(
    array $configuration,
    $plugin_id,
    $plugin_definition,
{{ di.signature(services) }}
  ) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition): self {
    return new self(
      $configuration,
      $plugin_id,
      $plugin_definition,
{{ di.container(services) }}
    );
  }

{% endif %}
{% if configurable %}
  /**
   * {@inheritdoc}
   */
  public static function defaultSettings(): array {
    $setting = ['foo' => 'bar'];
    return $setting + parent::defaultSettings();
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state): array {
    $element['foo'] = [
      '#type' => 'textfield',
      '#title' => $this->t('Foo'),
      '#default_value' => $this->getSetting('foo'),
    ];
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary(): array {
    return [
      $this->t('Foo: @foo', ['@foo' => $this->getSetting('foo')]),
    ];
  }

{% endif %}
  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state): array {
    $element['value'] = $element + [
      '#type' => 'textfield',
      '#default_value' => $items[$delta]->value ?? NULL,
    ];
    return $element;
  }

}