<?php

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

{% sort %}
  {% if datetime %}
use Drupal\Core\Datetime\DrupalDateTime;
  {% endif %}
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\FormatterBase;
  {% if list %}
use Drupal\{{ machine_name }}\Plugin\Field\FieldType\{{ type_class }};
  {% endif %}
{% endsort %}

/**
 * Plugin implementation of the '{{ field_id }}_table' formatter.
 *
 * @FieldFormatter(
 *   id = "{{ field_id }}_table",
 *   label = @Translation("Table"),
 *   field_types = {"{{ field_id }}"}
 * )
 */
class {{ table_formatter_class }} extends FormatterBase {

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {

    $header[] = '#';
{% for subfield in subfields %}
    $header[] = $this->t('{{ subfield.name }}');
{% endfor %}

    $table = [
      '#type' => 'table',
      '#header' => $header,
    ];

    foreach ($items as $delta => $item) {
      $row = [];

      $row[]['#markup'] = $delta + 1;

{% for subfield in subfields %}
  {% if subfield.type == 'boolean' %}
      $row[]['#markup'] = $item->{{ subfield.machine_name }} ? $this->t('Yes') : $this->t('No');

  {% elseif subfield.type == 'datetime' %}
      if ($item->{{ subfield.machine_name }}) {
        $date = DrupalDateTime::createFromFormat('{{ subfield.date_storage_format }}', $item->{{ subfield.machine_name }});
        $date_formatter = \Drupal::service('date.formatter');
        $timestamp = $date->getTimestamp();
    {% if subfield.list %}
        $allowed_values = {{ type_class }}::{{ subfield.allowed_values_method }}();
        $formatted_date = $allowed_values[$item->{{ subfield.machine_name }}];
    {% else %}
        $formatted_date = $date_formatter->format($timestamp, 'long');
    {% endif %}
        $iso_date = $date_formatter->format($timestamp, 'custom', 'Y-m-d\TH:i:s') . 'Z';
        $row[] = [
          '#theme' => 'time',
          '#text' => $formatted_date,
          '#html' => FALSE,
          '#attributes' => [
            'datetime' => $iso_date,
          ],
          '#cache' => [
            'contexts' => [
              'timezone',
            ],
          ],
        ];
      }
      else {
        $row[]['#markup'] = '';
      }

  {% else %}
    {% if subfield.list %}
      if ($item->{{ subfield.machine_name }}) {
        $allowed_values = {{ type_class }}::{{ subfield.allowed_values_method }}();
        $row[]['#markup'] = $allowed_values[$item->{{ subfield.machine_name }}];
      }
      else {
        $row[]['#markup'] = '';
      }
    {% else %}
      $row[]['#markup'] = $item->{{ subfield.machine_name }};
    {% endif %}

  {% endif %}
{% endfor %}
      $table[$delta] = $row;
    }

    return [$table];
  }

}