class Image

class Image extends CKEditor5PluginDefault implements CKEditor5PluginConfigurableInterface {
  use CKEditor5PluginConfigurableTrait;
  use DynamicPluginConfigWithCsrfTokenUrlTrait;
  
  /**
   * {@inheritdoc}
   */
  public function getDynamicPluginConfig(array $static_plugin_config, EditorInterface $editor) : array {
    $config = $static_plugin_config;
    if ($editor->getImageUploadSettings()['status'] === TRUE) {
      $config += [
        'drupalImageUpload' => [
          'uploadUrl' => self::getUrlWithReplacedCsrfTokenPlaceholder(Url::fromRoute('ckeditor5.upload_image')->setRouteParameter('editor', $editor->getFilterFormat()
            ->id())),
          'withCredentials' => TRUE,
          'headers' => [
            'Accept' => 'application/json',
            'text/javascript',
          ],
        ],
      ];
    }
    return $config;
  }
  
  /**
   * {@inheritdoc}
   *
   * @see \Drupal\editor\Form\EditorImageDialog
   * @see editor_image_upload_settings_form()
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $form_state->loadInclude('editor', 'admin.inc');
    return editor_image_upload_settings_form($form_state->get('editor'));
  }
  
  /**
   * {@inheritdoc}
   */
  public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
    $form_state->setValue('status', (bool) $form_state->getValue('status'));
    $form_state->setValue([
      'max_dimensions',
      'width',
    ], (int) $form_state->getValue([
      'max_dimensions',
      'width',
    ]));
    $form_state->setValue([
      'max_dimensions',
      'height',
    ], (int) $form_state->getValue([
      'max_dimensions',
      'height',
    ]));
  }
  
  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
    // Store this configuration in its out-of-band location.
    $form_state->get('editor')
      ->setImageUploadSettings($form_state->getValues());
  }
  
  /**
   * {@inheritdoc}
   *
   * This returns an empty array as image upload config is stored out of band.
   */
  public function defaultConfiguration() {
    return [];
  }

}