CustomBreadcrumbPagePartProvider.php

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<?php
 
declare(strict_types=1);
 
use ILIAS\GlobalScreen\Scope\Layout\Provider\PagePart\PagePartProvider;
use ILIAS\Refinery\Factory as RefineryFactory;
 
class CustomBreadcrumbPagePartProvider implements PagePartProvider
{
    private PagePartProvider $original;
    private RefineryFactory $refinery;
    private ilLogger $logger;
 
    public function __construct(PagePartProvider $original)
    {
        global $DIC;
        $this->refinery = $DIC->refinery();
        $this->original = $original;
        $this->logger = $DIC->logger()->root();
    }
 
    public function getTitle(): string
    {
        return $this->original->getTitle();
    }
 
    public function getDescription(): string
    {
        return $this->original->getDescription();
    }
 
    private function getRefId(): string|null
    {
        global $DIC;
 
        if (ilSession::has("ref_id")) {
            return (string) ilSession::get("ref_id");
        }
        if (ilSession::has("lti_context_ids") && is_array(ilSession::get("lti_context_ids")) && count(ilSession::get("lti_context_ids")) > 0) {
            return (string) ilSession::get("lti_context_ids")[0];
        }
 
        if ($DIC ->http()->wrapper()->query()->has("ref_id")) {
            return $DIC ->http()->wrapper()->query()->retrieve("ref_id", $DIC->refinery()->to()->string());
        }
        return null;
    }
 
    public function getBreadCrumbs(): ?\ILIAS\UI\Component\Breadcrumbs\Breadcrumbs
    {
        global $DIC;
        $breadcrumbs = $this->original->getBreadCrumbs();
        if ($breadcrumbs === null) {
            return null;
        }
 
        $ref_id = $this->getRefId();
        if (!isset($ref_id)) {
            return $breadcrumbs;
        }
 
        $goto_crumbs = [];
        $non_goto_crumbs = [];
 
        foreach ($breadcrumbs->getItems() as $crumb) {
            $action = (string) $crumb->getAction();
            if (method_exists($crumb, 'getAction') && (str_contains($action, 'goto.php') || str_contains($action, '/go/'))) {
                if (str_contains($action, $ref_id) && !str_contains($action, 'root')) {
                    $goto_crumbs[] = $crumb;
                }
            } else {
                $non_goto_crumbs[] = $crumb;
            }
        }
        $last_goto = array_slice($goto_crumbs, -1);
 
        $final_crumbs = array_merge($last_goto, $non_goto_crumbs);
 
        return $DIC->ui()->factory()->breadcrumbs($final_crumbs);
 
    }
 
    public function getMeta(): array
    {
        return $this->original->getMeta();
    }
 
    public function getActions(): array
    {
        return $this->original->getActions();
    }
 
    public function getContent(): ?\ILIAS\UI\Component\Legacy\Content
    {
        return $this->original->getContent();
    }
 
    public function getMetaBar(): ?\ILIAS\UI\Component\MainControls\MetaBar
    {
        return $this->original->getMetaBar();
    }
 
    public function getMainBar(): ?\ILIAS\UI\Component\MainControls\MainBar
    {
        return $this->original->getMainBar();
    }
 
    public function getLogo(): ?\ILIAS\UI\Component\Image\Image
    {
        return $this->original->getLogo();
    }
 
    public function getResponsiveLogo(): ?\ILIAS\UI\Component\Image\Image
    {
        return $this->original->getResponsiveLogo();
    }
 
    public function getFaviconPath(): string
    {
        return $this->original->getFaviconPath();
    }
 
    public function getSystemInfos(): array
    {
        return $this->original->getSystemInfos();
    }
 
    public function getFooter(): ?\ILIAS\UI\Component\MainControls\Footer
    {
        return $this->original->getFooter();
    }
 
    public function getShortTitle(): string
    {
        return $this->original->getShortTitle();
    }
 
    public function getViewTitle(): string
    {
        return $this->original->getViewTitle();
    }
 
    public function getToastContainer(): ?\ILIAS\UI\Component\Toast\Container
    {
        return $this->original->getToastContainer();
    }
}