quiz_maker-1.0.6/src/Plugin/Field/FieldFormatter/ScoreFieldFormatter.php

<?php

namespace Drupal\quiz_maker\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\FormatterBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Plugin implementation of the 'Score' formatter.
 *
 * @FieldFormatter(
 *   id = "score_field_formatter",
 *   label = @Translation("Score"),
 *   field_types = {"integer"},
 * )
 */
final class ScoreFieldFormatter extends FormatterBase {

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

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

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

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode): array {
    $element = [];
    foreach ($items as $delta => $item) {
      $element[$delta] = [
        '#markup' => $item->value . $this->getSetting('suffix'),
      ];
    }
    return $element;
  }

}