Add display options to the editor

      ),

    );

    $h5p_export = \Drupal::state()->get('h5p_export') ?: \H5PDisplayOptionBehaviour::ALWAYS_SHOW;

    $element['h5p_file_options'] = [

      '#type' => 'checkbox',

      '#title' => t('Display buttons (download, embed and copyright)'),

      '#default_value' => 1

    ];

    $h5p_copyright = \Drupal::state()->get('h5p_copyright');

    $element['h5p_file_options_copyright'] = [

      '#type' => 'checkbox',

      '#title' => t('Copyright button'),

      '#states' => [

        'visible' => [

          ':input[name="field_h5p[' . $delta  . '][value][h5p_file_options]"]' => array('checked' => TRUE)

        ]

      ]

    ];

    $element['json_content'] = array(

      '#type' => 'hidden',

      '#default_value' => isset($this->params) ? $this->params : '',