more_fields-2.2.19/src/Plugin/Field/FieldFormatter/RelativeDateFormatter.php

<?php

namespace Drupal\more_fields\Plugin\Field\FieldFormatter;

use Drupal\Component\Utility\Html;
use Drupal\Core\Annotation\Translation;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\Plugin\Field\FieldFormatter\StringFormatter;
use Drupal\Core\Form\FormStateInterface;
use Drupal\more_fields\Truncator;
use Drupal\Core\Datetime\DrupalDateTime;

/**
 * Plugin implementation of the 'text_long, text_with_summary' formatter.
 *
 * @FieldFormatter(
 *   id = "relativeDate",
 *   label = @Translation("Relative date"),
 *   field_types = {
 *     "string",
 *   }
 * )
 */
class RelativeDateFormatter extends StringFormatter {
  
  /**
   *
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    // 'layoutgenentitystyles_view' => 'more_fields/restrained-field',
    return [
      'format' => 'd/m/y',
      'base_time' => null
    ] + parent::defaultSettings();
  }
  
  /**
   *
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    // // utilile pour mettre à jour le style
    return [
      'format' => [
        '#title' => t('format d\'affichage de la date'),
        '#type' => 'textfield',
        '#default_value' => $this->getSetting("format")
      ],
      'base_time' => [
        '#title' => t('date de base'),
        '#type' => 'textfield',
        '#value' => $this->getsetting("base_time")
      ]
    ] + parent::settingsForm($form, $form_state);
  }
  
  /**
   *
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = [];
    foreach ($items as $delta => $item) {
      // $temp = format_date(REQUEST_TIME, 'custom',
      // $this->getSetting("format"));
      $time = new DrupalDateTime();
      // dump($temp->getTimestamp());
      $baseTime = $this->getSetting("base_time");
      $baseTime = strtotime($item->value, ($baseTime) ? $baseTime : null);
      $baseTime = $baseTime ? $baseTime : null;
      // $elements[$delta] = (string) Date($item->value, $time);
      $elements[$delta] = $this->viewValue((string) Date((string) $this->getSetting("format"), ($baseTime) ? $baseTime : $time->getTimestamp()));
    }
    return $elements;
  }
  
  /**
   * Generate the output appropriate for one field item.
   *
   * @param \Drupal\Core\Field\FieldItemInterface $item
   *        One field item.
   *        
   * @return array The textual output generated as a render array.
   */
  protected function viewValue($value) {
    // The text value has no text format assigned to it, so the user input
    // should equal the output, including newlines.
    return [
      '#type' => 'inline_template',
      '#template' => '{{ value|raw }}',
      '#context' => [
        'value' => $value
      ]
    ];
  }
}