DateRangeDefaultWidget.php

<?php

namespace Drupal\datetime_range\Plugin\Field\FieldWidget;

use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\datetime_range\Plugin\Field\FieldType\DateRangeItem;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Plugin implementation of the 'daterange_default' widget.
 *
 * @FieldWidget(
 *   id = "daterange_default",
 *   label = @Translation("Date and time range"),
 *   field_types = {
 *     "daterange"
 *   }
 * )
 */
class DateRangeDefaultWidget extends DateRangeWidgetBase implements ContainerFactoryPluginInterface {

  /**
   * The date format storage.
   *
   * @var \Drupal\Core\Entity\EntityStorageInterface
   */
  protected $dateStorage;

  /**
   * {@inheritdoc}
   */
  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, array $third_party_settings, EntityStorageInterface $date_storage) {
    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $third_party_settings);
    $this->dateStorage = $date_storage;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($plugin_id, $plugin_definition, $configuration['field_definition'], $configuration['settings'], $configuration['third_party_settings'], $container
      ->get('entity_type.manager')
      ->getStorage('date_format'));
  }

  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    $element = parent::formElement($items, $delta, $element, $form, $form_state);

    // Identify the type of date and time elements to use.
    switch ($this
      ->getFieldSetting('datetime_type')) {
      case DateRangeItem::DATETIME_TYPE_DATE:
      case DateRangeItem::DATETIME_TYPE_ALLDAY:
        $date_type = 'date';
        $time_type = 'none';
        $date_format = $this->dateStorage
          ->load('html_date')
          ->getPattern();
        $time_format = '';
        break;
      default:
        $date_type = 'date';
        $time_type = 'time';
        $date_format = $this->dateStorage
          ->load('html_date')
          ->getPattern();
        $time_format = $this->dateStorage
          ->load('html_time')
          ->getPattern();
        break;
    }
    $element['value'] += [
      '#date_date_format' => $date_format,
      '#date_date_element' => $date_type,
      '#date_date_callbacks' => [],
      '#date_time_format' => $time_format,
      '#date_time_element' => $time_type,
      '#date_time_callbacks' => [],
    ];
    $element['end_value'] += [
      '#date_date_format' => $date_format,
      '#date_date_element' => $date_type,
      '#date_date_callbacks' => [],
      '#date_time_format' => $time_format,
      '#date_time_element' => $time_type,
      '#date_time_callbacks' => [],
    ];
    return $element;
  }

}