RootContent.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\MetaData\Editor\Presenter\PresenterInterface;
use ILIAS\UI\Component\Dropdown\Standard as StandardDropdown;
use ILIAS\MetaData\Editor\Http\RequestForFormInterface;

class RootContent
{
    protected UIFactory $ui_factory;
    protected FullEditorServices $services;
    protected PresenterInterface $presenter;
    protected PanelContent $panel_content;

    public function __construct(
        FullEditorServices $services,
        UIFactory $ui_factory,
        PresenterInterface $presenter,
        PanelContent $panel_content
    ) {
        $this->services = $services;
        $this->ui_factory = $ui_factory;
        $this->presenter = $presenter;
        $this->panel_content = $panel_content;
    }

    public function content(
        PathInterface $base_path,
        ElementInterface $element,
        ?RequestForFormInterface $request
    ): \Generator {
        yield from $this->createModalsAndDropdown(
            $base_path,
            $element,
            $request
        );

        $content = [];
        $content[] = $this->ui_factory->messageBox()->info(
            $this->presenter->utilities()->txt('meta_full_editor_navigation_info')
        );
        foreach ($element->getSubElements() as $sub) {
            if ($sub->isScaffold()) {
                continue;
            }
            $sub_content = $this->panel_content->content(
                $base_path,
                $sub,
                true,
                $request
            );
            foreach ($sub_content as $type => $entity) {
                if ($type === ContentType::MAIN) {
                    $content[] = $entity;
                    continue;
                }
                yield $type => $entity;
            }
        }

        $panel = $this->ui_factory->panel()->standard(
            $this->presenter->elements()->name($element),
            $content
        );
        yield ContentType::MAIN => $panel;
    }

    protected function createModalsAndDropdown(
        PathInterface $base_path,
        ElementInterface $element,
        ?RequestForFormInterface $request
    ): \Generator {
        $buttons = [];
        foreach ($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)
                                     ->withLabel($this->presenter->utilities()->txt('add'));
        yield ContentType::TOOLBAR => $dropdown;
    }
}