WideModalRenderer.php

<?php

namespace Drupal\dialog_renderer_test\Render\MainContent;

use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\Ajax\OpenModalDialogCommand;
use Drupal\Core\Controller\TitleResolverInterface;
use Drupal\Core\Render\MainContent\ModalRenderer;
use Drupal\Core\Render\RendererInterface;
use Drupal\Core\Routing\RouteMatchInterface;
use Symfony\Component\HttpFoundation\Request;

/**
 * Default main content renderer for wide modal dialog requests.
 *
 * This test class is copied from \Drupal\Core\Render\MainContent\ModalRenderer
 * to demonstrate selecting a different render via 'data-dialog-renderer' link
 * attribute.
 */
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']);
        // If the main content doesn't provide a title, use the title resolver.
        $title = isset($main_content['#title']) ? $main_content['#title'] : $this->titleResolver
            ->getTitle($request, $route_match->getRouteObject());
        // Determine the title: use the title provided by the main content if any,
        // otherwise get it from the routing information.
        $options = $request->request
            ->get('dialogOptions', []);
        // Override width option.
        switch ($this->mode) {
            case 'wide':
                $options['width'] = 700;
                break;
            case 'extra_wide':
                $options['width'] = 1000;
                break;
        }
        $response->addCommand(new OpenModalDialogCommand($title, $content, $options));
        return $response;
    }

}