WorkspacesLazyBuilders.php

<?php

declare (strict_types=1);
namespace Drupal\workspaces;

use Drupal\Component\Serialization\Json;
use Drupal\Core\Render\ElementInfoManagerInterface;
use Drupal\Core\Security\TrustedCallbackInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\Url;

/**
 * Defines a service for workspaces #lazy_builder callbacks.
 *
 * @internal
 */
final class WorkspacesLazyBuilders implements TrustedCallbackInterface {
    use StringTranslationTrait;
    public function __construct(WorkspaceManagerInterface $workspaceManager, ElementInfoManagerInterface $elementInfo) {
    }
    
    /**
     * Lazy builder callback for rendering the workspace toolbar tab.
     *
     * @return array
     *   A render array.
     */
    public function renderToolbarTab() : array {
        $active_workspace = $this->workspaceManager
            ->getActiveWorkspace();
        $build = [
            '#type' => 'link',
            '#title' => $active_workspace ? $active_workspace->label() : $this->t('Live'),
            '#url' => Url::fromRoute('entity.workspace.collection', [], [
                'query' => \Drupal::destination()->getAsArray(),
            ]),
            '#attributes' => [
                'title' => t('Switch workspace'),
                'class' => [
                    'toolbar-item',
                    'toolbar-icon',
                    'toolbar-icon-workspace',
                    'use-ajax',
                ],
                'data-dialog-type' => 'dialog',
                'data-dialog-renderer' => 'off_canvas_top',
                'data-dialog-options' => Json::encode([
                    'height' => 161,
                    'classes' => [
                        'ui-dialog' => 'workspaces-dialog',
                    ],
                ]),
            ],
            '#attached' => [
                'library' => [
                    'workspaces/drupal.workspaces.toolbar',
                ],
            ],
            '#cache' => [
                'max-age' => 0,
            ],
        ];
        // The renderer has already added element defaults by the time the lazy
        // builder is run.
        // @see https://www.drupal.org/project/drupal/issues/2609250
        $build += $this->elementInfo
            ->getInfo('link');
        return $build;
    }
    
    /**
     * Render callback for the workspace toolbar tab.
     */
    public static function removeTabAttributes(array $element) : array {
        unset($element['tab']['#attributes']);
        return $element;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function trustedCallbacks() : array {
        return [
            'removeTabAttributes',
            'renderToolbarTab',
        ];
    }

}