class WideModalRenderer

class WideModalRenderer extends ModalRenderer {
    
    /**
     * The mode, either 'wide' or 'extra_wide'.
     *
     * @var string
     */
    protected $mode;
    
    /**
     * Constructs a new WideModalRenderer.
     *
     * @param \Drupal\Core\Controller\TitleResolverInterface $title_resolver
     *   The title resolver.
     * @param \Drupal\Core\Render\RendererInterface $renderer
     *   The renderer.
     * @param string $mode
     *   The mode, either 'wide' or 'extra_wide'.
     */
    public function __construct(TitleResolverInterface $title_resolver, RendererInterface $renderer, $mode = 'wide') {
        parent::__construct($title_resolver, $renderer);
        $this->mode = $mode;
    }
    
    /**
     * {@inheritdoc}
     */
    public function renderResponse(array $main_content, Request $request, RouteMatchInterface $route_match) {
        $response = new AjaxResponse();
        // First render the main content, because it might provide a title.
        $content = $this->renderer
            ->renderRoot($main_content);
        // Attach the library necessary for using the OpenModalDialogCommand and set
        // the attachments for this Ajax response.
        $main_content['#attached']['library'][] = 'core/drupal.dialog.ajax';
        $response->setAttachments($main_content['#attached']);
        // Determine the title.
        $title = $this->getTitleAsStringable($main_content, $request, $route_match);
        // Determine the title: use the title provided by the main content if any,
        // otherwise get it from the routing information.
        $options = $request->request
            ->all('dialogOptions');
        // Override width option.
        switch ($this->mode) {
            case 'wide':
                $options['width'] = 700;
                break;
            case 'extra_wide':
                $options['width'] = 1000;
                break;
        }
        $response->addCommand(new OpenModalDialogCommand($title, $content, $options));
        return $response;
    }

}