CustomMainBarProvider.php

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<?php 
namespace ILIAS\MainMenu\Provider;

use ILIAS\DI\Container;
use ILIAS\GlobalScreen\Helper\BasicAccessCheckClosures;
use ILIAS\GlobalScreen\Scope\MainMenu\Collector\Information\TypeInformation;
use ILIAS\GlobalScreen\Scope\MainMenu\Collector\Information\TypeInformationCollection;
use ILIAS\GlobalScreen\Scope\MainMenu\Collector\Renderer\ComplexItemRenderer;
use ILIAS\GlobalScreen\Scope\MainMenu\Collector\Renderer\LinkListItemRenderer;
use ILIAS\GlobalScreen\Scope\MainMenu\Collector\Renderer\LostItemRenderer;
use ILIAS\GlobalScreen\Scope\MainMenu\Collector\Renderer\SeparatorItemRenderer;
use ILIAS\GlobalScreen\Scope\MainMenu\Collector\Renderer\TopParentItemRenderer;
use ILIAS\GlobalScreen\Scope\MainMenu\Collector\Renderer\RepositoryLinkItemRenderer;
use ILIAS\GlobalScreen\Scope\MainMenu\Factory\hasAction;
use ILIAS\GlobalScreen\Scope\MainMenu\Factory\hasTitle;
use ILIAS\GlobalScreen\Scope\MainMenu\Factory\isChild;
use ILIAS\GlobalScreen\Scope\MainMenu\Factory\isItem;
use ILIAS\GlobalScreen\Scope\MainMenu\Factory\Item\Complex;
use ILIAS\GlobalScreen\Scope\MainMenu\Factory\Item\Link;
use ILIAS\GlobalScreen\Scope\MainMenu\Factory\Item\LinkList;
use ILIAS\GlobalScreen\Scope\MainMenu\Factory\Item\Lost;
use ILIAS\GlobalScreen\Scope\MainMenu\Factory\Item\RepositoryLink;
use ILIAS\GlobalScreen\Scope\MainMenu\Factory\Item\Separator;
use ILIAS\GlobalScreen\Scope\MainMenu\Factory\TopItem\TopLinkItem;
use ILIAS\GlobalScreen\Scope\MainMenu\Factory\TopItem\TopParentItem;
use ILIAS\GlobalScreen\Scope\MainMenu\Provider\AbstractStaticMainMenuProvider;
use ILIAS\GlobalScreen\Scope\MainMenu\Provider\StaticMainMenuProvider;
use ilMMCustomItemStorage;
use ilMMItemStorage;
use ilMMTypeHandlerLink;
use ilMMTypeHandlerRepositoryLink;
use ilMMTypeHandlerSeparator;
use ilMMTypeHandlerTopLink;
use ilObjMainMenuAccess;

class CustomMainBarProvider extends AbstractStaticMainMenuProvider implements StaticMainMenuProvider
{

    private $access_helper;
    private $mm_access;
    protected $dic;

    public function __construct(Container $dic)
    {
        parent::__construct($dic);
        $this->mm_access = new ilObjMainMenuAccess();
        $this->access_helper = BasicAccessCheckClosures::getInstance();
    }

    public function getStaticTopItems() : array
    {
        $top_items = [];
        foreach (ilMMCustomItemStorage::where(['top_item' => true])->get() as $item) {
            $top_items[] = $this->getSingleCustomItem($item, true);
        }

        return $top_items;
    }

    public function getStaticSubItems() : array
    {
        $items = [];
        foreach (ilMMCustomItemStorage::where(['top_item' => false])->get() as $item) {
            $items[] = $this->getSingleCustomItem($item, true);
        }

        return $items;
    }

    public function getSingleCustomItem(ilMMCustomItemStorage $storage, $register = false) : isItem
    {
        $identification = $this->globalScreen()->identification()->core($this)->identifier($storage->getIdentifier());

        $item = $this->globalScreen()->mainBar()->custom($storage->getType(), $identification);

        $item = $item->withVisibilityCallable(
            $this->mm_access->isCurrentUserAllowedToSeeCustomItem(
                $storage,
                function () use ($item) {
                    return $item->isVisible();
                }
            )
        );

        if ($item instanceof hasTitle && !empty($storage->getDefaultTitle())) {
            $item = $item->withTitle($storage->getDefaultTitle());
        }
        if ($item instanceof hasAction) {
            $item = $item->withAction("#");
        }
        if ($item instanceof isChild) {
            $mm_item = ilMMItemStorage::find($identification->serialize());
            $parent_identification = '';
            if ($mm_item instanceof ilMMItemStorage) {
                $parent_identification = $mm_item->getParentIdentification();
            }

            if ($parent_identification) {
                $item = $item->withParent(
                    $this->globalScreen()
                         ->identification()
                         ->fromSerializedIdentification($parent_identification)
                );
            }
        }

        if ($register) {
            ilMMItemStorage::register($item);
        }

        return $item;
    }

    public function provideTypeInformation() : TypeInformationCollection
    {
        $c = new TypeInformationCollection();
        // TopParentItem
        $c->add(
            new TypeInformation(
            TopParentItem::class,
            $this->translateType(TopParentItem::class),
            new TopParentItemRenderer()
        )
        );
        // TopLinkItem
        $c->add(
            new TypeInformation(
            TopLinkItem::class,
            $this->translateType(TopLinkItem::class),
            new \ilMMTopLinkItemRenderer(),
            new ilMMTypeHandlerTopLink()
        )
        );
        // Link
        $c->add(
            new TypeInformation(
            Link::class,
            $this->translateType(Link::class),
            new \ilMMLinkItemRenderer(),
            new ilMMTypeHandlerLink()
        )
        );

        // LinkList
        $link_list = new TypeInformation(
            LinkList::class,
            $this->translateType(LinkList::class),
            new LinkListItemRenderer()
        );
        $link_list->setCreationPrevented(true);
        $c->add($link_list);

        // Separator
        $c->add(
            new TypeInformation(
            Separator::class,
            $this->translateType(Separator::class),
            new SeparatorItemRenderer(),
            new ilMMTypeHandlerSeparator(),
            $this->translateByline(Separator::class)
        )
        );

        // RepositoryLink
        $c->add(
            new TypeInformation(
            RepositoryLink::class,
            $this->translateType(RepositoryLink::class),
            new \ilMMRepositoryLinkItemRenderer(),
            new ilMMTypeHandlerRepositoryLink()
        )
        );

        // Lost
        $lost = new TypeInformation(
            Lost::class,
            $this->translateType(Lost::class),
            new LostItemRenderer()
        );
        $lost->setCreationPrevented(true);
        $c->add($lost);

        // Complex
        $complex = new TypeInformation(
            Complex::class,
            $this->translateType(Complex::class),
            new ComplexItemRenderer()
        );
        $complex->setCreationPrevented(true);
        $c->add($complex);

        return $c;
    }

    private function translateType(string $type) : string
    {
        $last_part = substr(strrchr($type, "\\"), 1);
        $last_part = strtolower(preg_replace('/(?<!^)[A-Z]/', '_$0', $last_part));

        return $this->dic->language()->txt("type_" . strtolower($last_part));
    }

    private function translateByline(string $type) : string
    {
        $last_part = substr(strrchr($type, "\\"), 1);
        $last_part = strtolower(preg_replace('/(?<!^)[A-Z]/', '_$0', $last_part));

        return $this->dic->language()->txt("type_" . strtolower($last_part) . "_info");
    }

    public function getProviderNameForPresentation() : string
    {
        return "Custom";
    }
}