OrgUnitToolProvider.php

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<?php

namespace ILIAS\OrgUnit\Provider;

use ILIAS\GlobalScreen\Scope\Tool\Provider\AbstractDynamicToolProvider;
use ILIAS\GlobalScreen\ScreenContext\Stack\CalledContexts;
use ILIAS\GlobalScreen\ScreenContext\Stack\ContextCollection;
use ILIAS\UI\Component\Tree\Tree;
use ILIAS\UI\Component\Tree\TreeRecursion;
use ilObjOrgUnit;
use ilObjOrgUnitGUI;
use ilOrgUnitExplorerGUI;
use ilOrgUnitExtension;
use ilTree;

class OrgUnitToolProvider extends AbstractDynamicToolProvider
{
    public const SHOW_ORGU_TREE = 'show_orgu_tree';

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

    public function getToolsForContextStack(CalledContexts $called_contexts): array
    {
        $tools = [];

        if ($called_contexts->current()->getAdditionalData()->is(self::SHOW_ORGU_TREE, true)) {
            $iff = function (string $id) {
                return $this->identification_provider->contextAwareIdentifier($id);
            };

            $t = function (string $key): string {
                return $this->dic->language()->txt($key);
            };

            $tools[] = $this->factory->treeTool($iff('tree_new'))
                                     ->withTitle($t('tree'))
                                     ->withSymbol($this->dic->ui()->factory()->symbol()->icon()->standard(
                                         'orgu',
                                         'Orgu'
                                     ))
                                     ->withTree($this->getTree());
        }

        return $tools;
    }

    private function getTree(): Tree
    {
        global $DIC;
        $lng = $DIC->language();
        $tree = $this->getTreeRecursion();

        $parent_node_id = $DIC->repositoryTree()->getParentId(ilObjOrgUnit::getRootOrgRefId());

        return $this->dic->ui()->factory()->tree()->expandable($lng->txt("org_units"), $tree)
                         ->withData($tree->getChildsOfNode($parent_node_id));
    }

    private function getTreeRecursion(): TreeRecursion
    {
        $tree = new ilOrgUnitExplorerGUI(
            "orgu_explorer",
            ilObjOrgUnitGUI::class,
            "showTree",
            new ilTree(1),
            $this->dic["ilAccess"]
        );
        $tree->setTypeWhiteList($this->getTreeWhiteList());
        $tree->setRootId(ilObjOrgUnit::getRootOrgRefId());
        $ref_id = (int) ($_GET['item_ref_id'] ?? $_GET['ref_id'] ?? 0);
        if ($ref_id !== 0) {
            $tree->setPathOpen((int) $ref_id);
        }
        $tree->setOrderField('title');

        return $tree;
    }

    private function getTreeWhiteList(): array
    {
        $whiteList = array('orgu');
        $pls = ilOrgUnitExtension::getActivePluginIdsForTree();

        return array_merge($whiteList, $pls);
    }
}