ForumGlobalScreenToolsProvider.php

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<?php declare(strict_types=1);
 
use ILIAS\GlobalScreen\Scope\Tool\Provider\AbstractDynamicToolProvider;
 
class ForumGlobalScreenToolsProvider extends AbstractDynamicToolProvider
{
    const SHOW_FORUM_THREADS_TOOL = 'show_forum_threads_tool';
    const REF_ID = 'ref_id';
    const FORUM_THEAD = 'frm_thread';
    const FORUM_THREAD_ROOT = 'frm_thread_root';
    const FORUM_BASE_CONTROLLER = 'frm_base_controller';
    const PAGE = 'frm_thread_page';
 
    public function isInterestedInContexts() : \ILIAS\GlobalScreen\ScreenContext\Stack\ContextCollection
    {
        return $this->context_collection->main()->repository()->administration();
    }
 
 
    public function getToolsForContextStack(\ILIAS\GlobalScreen\ScreenContext\Stack\CalledContexts $called_contexts) : array
    {
        $iff = function ($id) {
            return $this->identification_provider->contextAwareIdentifier($id);
        };
        $l = function (string $content) {
            return $this->dic->ui()->factory()->legacy($content);
        };
 
        $tools = [];
 
        $additionalData = $called_contexts->getLast()->getAdditionalData();
        if ($additionalData->exists(self::SHOW_FORUM_THREADS_TOOL) && $additionalData->get(self::SHOW_FORUM_THREADS_TOOL) === true) {
            $thread = $additionalData->get(self::FORUM_THEAD);
            $controller = $additionalData->get(self::FORUM_BASE_CONTROLLER);
            $root = $additionalData->get(self::FORUM_THREAD_ROOT);
 
            if ($root instanceof ilForumPost) {
                $title = $this->dic->language()->txt('forums_articles');
                $icon = $this->dic->ui()->factory()->symbol()->icon()->standard('frm', $title)->withIsOutlined(true);
 
                $tools[] = $this->factory
                    ->tool($iff('Forum|Tree'))
                    ->withTitle($title)
                    ->withSymbol($icon)
                    ->withContentWrapper(static function () use ($l, $controller, $thread, $root, $additionalData) {
                        $exp = new ilForumExplorerGUI(
                            'frm_exp_' . $thread->getId(),
                            $controller,
                            'viewThread',
                            $thread,
                            $root
                        );
                        
                        $exp->setCurrentPage((int) $additionalData->get(self::PAGE));
 
                        return $l($exp->getHTML(true));
                    });
            }
        }
 
        return $tools;
    }
}