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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** @license For full copyright and license information, please see the LICENSE.md file. */ |
| 6 | |
| 7 | namespace App\Core\Grid\Widget; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | use App\Core\Engine\Domain\Model\PermissionContext; |
| 12 | use App\Core\Engine\Domain\Model\RelationGridMetadata; |
| 13 | use App\Core\Engine\Domain\Model\WidgetMetadata; |
| 14 | use Psr\Http\Message\ServerRequestInterface; |
| 15 | |
| 16 | /** |
| 17 | * Widget Registry. |
| 18 | * |
| 19 | * Central registry holding all registered WidgetRendererInterface implementations |
| 20 | * and dispatching render calls for Gridstack tiles. |
| 21 | * |
| 22 | * @package App\Core\Grid\Widget |
| 23 | */ |
| 24 | final class WidgetRegistry |
| 25 | { |
| 26 | /** |
| 27 | * @var array<int, WidgetRendererInterface> |
| 28 | */ |
| 29 | private array $renderers = []; |
| 30 | |
| 31 | /** |
| 32 | * WidgetRegistry constructor. |
| 33 | * |
| 34 | * @param array<int, WidgetRendererInterface> $renderers Initial renderers. |
| 35 | */ |
| 36 | public function __construct(array $renderers = []) |
| 37 | { |
| 38 | foreach ($renderers as $renderer) { |
| 39 | $this->addRenderer($renderer); |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Registers a widget renderer. |
| 45 | * |
| 46 | * @param WidgetRendererInterface $renderer Renderer instance. |
| 47 | */ |
| 48 | public function addRenderer(WidgetRendererInterface $renderer): void |
| 49 | { |
| 50 | $this->renderers[] = $renderer; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Finds a supporting renderer for the given widget metadata. |
| 55 | * |
| 56 | * @param WidgetMetadata $widget Widget metadata. |
| 57 | * @return WidgetRendererInterface|null Supporting renderer or null. |
| 58 | */ |
| 59 | public function getRenderer(WidgetMetadata $widget): ?WidgetRendererInterface |
| 60 | { |
| 61 | foreach ($this->renderers as $renderer) { |
| 62 | if ($renderer->supports($widget)) { |
| 63 | return $renderer; |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | return null; |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Renders a widget tile HTML. |
| 72 | * |
| 73 | * @param RelationGridMetadata $relation Relation placement configuration. |
| 74 | * @param ServerRequestInterface $request Server request. |
| 75 | * @param PermissionContext $context Security context. |
| 76 | * @return string Rendered HTML. |
| 77 | */ |
| 78 | public function renderWidget( |
| 79 | RelationGridMetadata $relation, |
| 80 | ServerRequestInterface $request, |
| 81 | PermissionContext $context |
| 82 | ): string { |
| 83 | $widget = $relation->widget; |
| 84 | if ($widget === null) { |
| 85 | return '<div class="alert alert-warning m-3">Widget definition not found.</div>'; |
| 86 | } |
| 87 | |
| 88 | $renderer = $this->getRenderer($widget); |
| 89 | if ($renderer === null) { |
| 90 | return '<div class="alert alert-info m-3">No renderer registered for widget: ' |
| 91 | . htmlspecialchars($widget->label, ENT_QUOTES, 'UTF-8') . '</div>'; |
| 92 | } |
| 93 | |
| 94 | return $renderer->render($relation, $request, $context); |
| 95 | } |
| 96 | } |