PanelContent.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\MetaData\Editor\Full;
 
use ILIAS\MetaData\Paths\PathInterface;
use ILIAS\MetaData\Elements\ElementInterface;
use ILIAS\MetaData\Editor\Full\Services\Services as FullEditorServices;
use ILIAS\MetaData\Editor\Full\Services\Actions\FlexibleModal;
use ILIAS\UI\Component\Panel\Panel;
use ILIAS\UI\Factory as UIFactory;
use ILIAS\UI\Implementation\Component\Listing\CharacteristicValue\Text as Listing;
use ILIAS\MetaData\Editor\Presenter\PresenterInterface;
use ILIAS\MetaData\Editor\Http\RequestForFormInterface;
 
class PanelContent
{
    protected UIFactory $ui_factory;
    protected FullEditorServices $services;
    protected PresenterInterface $presenter;
 
    public function __construct(
        FullEditorServices $services,
        UIFactory $ui_factory,
        PresenterInterface $presenter
    ) {
        $this->services = $services;
        $this->ui_factory = $ui_factory;
        $this->presenter = $presenter;
    }
 
    public function content(
        PathInterface $base_path,
        ElementInterface $element,
        bool $is_subpanel,
        ?RequestForFormInterface $request
    ): \Generator {
        $buttons = [];
        $delete_modal = $this->services->actions()->getModal()->delete(
            $base_path,
            $element,
            true
        );
        if ($delete_modal) {
            $buttons[] = $this->services->actions()->getButton()->delete(
                $delete_modal->getFlexibleSignal(),
                true,
                true
            );
            yield ContentType::MODAL => $delete_modal;
        }
        foreach ($element->getSubElements() as $sub) {
            if (!$sub->isScaffold()) {
                continue;
            }
            $create_modal = $this->services->actions()->getModal()->create(
                $base_path,
                $sub,
                $request
            );
            $buttons[] = $this->services->actions()->getButton()->create(
                $create_modal->getFlexibleSignal(),
                $sub,
                true
            );
            yield ContentType::MODAL => $create_modal;
        }
        $dropdown = $this->ui_factory->dropdown()->standard($buttons);
 
        if ($is_subpanel) {
            $panel = $this->ui_factory->panel()->sub(
                $this->presenter->elements()->nameWithRepresentation(false, $element),
                $this->listing($element) ?? []
            )->withActions($dropdown);
        } else {
            $panel = $this->ui_factory->panel()->standard(
                $this->presenter->elements()->nameWithParents($element),
                $this->listing($element) ?? []
            )->withActions($dropdown);
        }
        yield ContentType::MAIN => $panel;
    }
 
    protected function listing(
        ElementInterface $element
    ): ?Listing {
        $properties = $this->services->propertiesFetcher()
                                     ->getPropertiesByPreview($element);
        $properties = iterator_to_array($properties);
        if (!empty($properties)) {
            return $this->ui_factory->listing()
                                    ->characteristicValue()
                                    ->text($properties);
        }
        return null;
    }
}