json_table-1.0.6/src/Plugin/Field/FieldFormatter/JsonFormatter.php

<?php

namespace Drupal\json_table\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\Attribute\FieldFormatter;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\FormatterBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\StringTranslation\TranslatableMarkup;

/**
 * Plugin implementation of the 'json_formatter' formatter.
 */
#[FieldFormatter(
  id: 'json_formatter',
  label: new TranslatableMarkup('Json view'),
  field_types: [
    'json',
  ],
)]
class JsonFormatter extends FormatterBase {

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [
      'modes' => [
        'collapse' => TRUE,
        'nl2br' => FALSE,
        'recursive_collapser' => FALSE,
        'escape' => FALSE,
        'strict' => FALSE,
      ],
    ] + parent::defaultSettings();
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $form['modes'] = [
      '#title' => $this->t('Mode'),
      '#type' => 'checkboxes',
      '#options' => [
        'collapse' => $this->t('Collapse all nodes when rendering first time'),
        'nl2br' => $this->t('Convert new line to') . '<br>',
        'recursive_collapser' => $this->t('Collapse nodes recursively'),
        'escape' => $this->t('Escape HTML in key'),
        'strict' => $this->t('In strict mode, invalid JSON value type will throw a error'),
      ],
      '#default_value' => $this->getSetting('modes'),
    ];
    // Needed to avoid errors notified as log message.
    if (isset($form['#after_build'])) {
      $form['#after_build'] = NULL;
    }
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $summary = [];
    $modeDefault = self::defaultSettings()['modes'];
    if (!empty($mode = $this->getSetting('modes'))) {
      $summaryOption = [];
      if (is_string($mode)) {
        $mode = $modeDefault;
      }
      foreach ($mode as $name => $value) {
        if ($value) {
          $summaryOption[] = $name;
        }
      }
      $summary['mode'] = $this->t('Mode: @mode', ['@mode' => implode(', ', $summaryOption)]);
    }
    return $summary;
  }

  /**
   * {@inheritDoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $field_name = $items->getName();
    $settings = array_diff($this->getSetting('modes'), [0]);
    $settings = array_fill_keys($settings, TRUE);
    $elements = !empty($items) ? [
      '#attached' => [
        'library' => ['json_table/jquery_jsonview'],
        'drupalSettings' => [
          'json_view' => [$field_name => $settings],
        ],
      ],
    ] : [];

    foreach ($items as $delta => $item) {
      $elements[$delta] = [
        '#type' => 'html_tag',
        '#tag' => 'pre',
        '#value' => $item->value,
        '#langcode' => $langcode,
        '#attributes' => [
          'data-json-field' => $field_name,
          'class' => ['json-view'],
        ],
      ];
    }
    return $elements;
  }

}