class.ilWorkspaceGSToolProvider.php

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<?php

use ILIAS\GlobalScreen\Scope\Tool\Provider\AbstractDynamicToolProvider;
use ILIAS\GlobalScreen\ScreenContext\Stack\CalledContexts;
use ILIAS\GlobalScreen\ScreenContext\Stack\ContextCollection;

class ilWorkspaceGSToolProvider extends AbstractDynamicToolProvider
{
    const SHOW_WS_TREE = 'show_ws_tree';


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


    public function getToolsForContextStack(CalledContexts $called_contexts) : array
    {
        $tools = [];
        $additional_data = $called_contexts->current()->getAdditionalData();

        $title = $this->dic->language()->txt("objs_fold");

        $icon = $this->dic->ui()->factory()->symbol()->icon()->standard("fold", $title)->withIsOutlined(true);

        if ($additional_data->is(self::SHOW_WS_TREE, true)) {
            $iff = function ($id) {
                return $this->identification_provider->contextAwareIdentifier($id);
            };
            $l = function (string $content) {
                return $this->dic->ui()->factory()->legacy($content);
            };
            $ref_id = $called_contexts->current()->getReferenceId()->toInt();
            $tools[] = $this->factory->tool($iff("tree"))
                ->withTitle($title)
                ->withSymbol($icon)
                ->withContentWrapper(function () use ($l) {
                    return $l($this->getTree());
                });
        }

        return $tools;
    }


    private function getTree() : string
    {
        global $DIC;

        $user = $DIC->user();
        $exp = new ilWorkspaceExplorerGUI($user->getId(), ["ilPersonalWorkspaceGUI", "ilObjWorkspaceFolderGUI"], "render", "ilObjWorkspaceFolderGUI", "", "wsp_id");
        $exp->setTypeWhiteList(array("wsrt", "wfld"));
        $exp->setSelectableTypes(array("wsrt", "wfld"));
        $exp->setLinkToNodeClass(true);
        $exp->setAjax(false);
        $exp->setActivateHighlighting(true);

        return $exp->getHTML(true);
    }
}