class.ilLSViewLayoutProvider.php

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<?php

declare(strict_types=1);

use ILIAS\GlobalScreen\Scope\Layout\Provider\AbstractModificationProvider;
use ILIAS\GlobalScreen\Scope\Layout\Provider\ModificationProvider;
use ILIAS\GlobalScreen\ScreenContext\Stack\ContextCollection;
use ILIAS\GlobalScreen\ScreenContext\Stack\CalledContexts;
use ILIAS\GlobalScreen\Scope\Layout\Factory\MainBarModification;
use ILIAS\UI\Component\MainControls\MainBar;
use ILIAS\GlobalScreen\Scope\Layout\Factory\MetaBarModification;
use ILIAS\UI\Component\MainControls\MetaBar;
use ILIAS\GlobalScreen\Scope\Layout\Factory\BreadCrumbsModification;
use ILIAS\UI\Component\Breadcrumbs\Breadcrumbs;
use ILIAS\GlobalScreen\Scope\Layout\Factory\ContentModification;
use ILIAS\UI\Component\Legacy\Legacy;
use ILIAS\GlobalScreen\ScreenContext\AdditionalData\Collection;

use ILIAS\GlobalScreen\Scope\Layout\Provider\PagePart\PagePartProvider;
use ILIAS\GlobalScreen\Scope\Layout\Builder\StandardPageBuilder;
use ILIAS\GlobalScreen\Scope\Layout\Factory\PageBuilderModification;
use ILIAS\UI\Component\Layout\Page\Page;
use ILIAS\Data\URI;

class ilLSViewLayoutProvider extends AbstractModificationProvider implements ModificationProvider
{
    protected ?Collection $data_collection = null;

    public function isInterestedInContexts(): ContextCollection
    {
        return $this->context_collection->main();
    }

    protected function isKioskModeEnabled(CalledContexts $screen_context_stack): bool
    {
        $this->data_collection = $screen_context_stack->current()->getAdditionalData();
        return $this->data_collection->is(ilLSPlayer::GS_DATA_LS_KIOSK_MODE, true);
    }

    public function getMainBarModification(CalledContexts $screen_context_stack): ?MainBarModification
    {
        if (!$this->isKioskModeEnabled($screen_context_stack)) {
            return null;
        }
        return $this->globalScreen()->layout()->factory()->mainbar()
            ->withModification(
                function (?MainBar $mainbar): ?MainBar {
                    if ($mainbar === null) {
                        $ui = $this->dic->ui();
                        $mainbar = $ui->factory()->mainControls()->mainbar();
                    }
                    $entries = $this->data_collection->get(ilLSPlayer::GS_DATA_LS_MAINBARCONTROLS);
                    $tools = $mainbar->getToolEntries();
                    $mainbar = $mainbar->withClearedEntries();

                    foreach ($entries as $key => $entry) {
                        $mainbar = $mainbar->withAdditionalEntry($key, $entry);
                    }
                    foreach ($tools as $key => $entry) {
                        $mainbar = $mainbar->withAdditionalToolEntry($key, $entry);
                    }
                    return $mainbar;
                }
            )
            ->withHighPriority();
    }

    public function getMetaBarModification(CalledContexts $screen_context_stack): ?MetaBarModification
    {
        if (!$this->isKioskModeEnabled($screen_context_stack)) {
            return null;
        }
        return $this->globalScreen()->layout()->factory()->metabar()
            ->withModification(
                fn (?MetaBar $metabar): ?Metabar => $metabar !== null ? $metabar->withClearedEntries() : null
            )
            ->withHighPriority();
    }

    public function getBreadCrumbsModification(CalledContexts $screen_context_stack): ?BreadCrumbsModification
    {
        if (!$this->isKioskModeEnabled($screen_context_stack)) {
            return null;
        }

        return $this->globalScreen()->layout()->factory()->breadcrumbs()
            ->withModification(
                fn (?Breadcrumbs $current): ?Breadcrumbs => null
            )
            ->withHighPriority();
    }

    public function getContentModification(CalledContexts $screen_context_stack): ?ContentModification
    {
        if (!$this->isKioskModeEnabled($screen_context_stack)) {
            return null;
        }
        $html = $this->data_collection->get(ilLSPlayer::GS_DATA_LS_CONTENT);
        // TODO: Once we have more control over the content, we could just setContent
        // in ilObjLearningSequenceLearnerGUI like any other object and later strip
        // away the header here.
        return $this->globalScreen()->layout()->factory()->content()
            ->withModification(
                function (?Legacy $content) use ($html): ?Legacy {
                    $ui = $this->dic->ui();
                    return $ui->factory()->legacy($html);
                }
            )
            ->withHighPriority();
    }

    public function getPageBuilderDecorator(CalledContexts $screen_context_stack): ?PageBuilderModification
    {
        if (!$this->isKioskModeEnabled($screen_context_stack)) {
            return null;
        }

        $exit = $this->data_collection->get(\ilLSPlayer::GS_DATA_LS_METABARCONTROLS)['exit'];
        $label = $this->dic['lng']->txt('lso_player_viewmodelabel');

        $lnk = new URI($exit->getAction());

        return $this->factory->page()->withModification(
            function (PagePartProvider $parts) use ($label, $lnk): Page {
                $p = new StandardPageBuilder();
                $f = $this->dic['ui.factory'];
                $page = $p->build($parts);
                $modeinfo = $f->mainControls()->modeInfo($label, $lnk);
                return $page->withModeInfo($modeinfo);
            }
        )->withHighPriority();
    }
}