class.ilTaxonomyGSToolProvider.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 ilTaxonomyGSToolProvider extends AbstractDynamicToolProvider
{
    public const SHOW_TAX_TREE = 'show_tax_tree';
    public const TAX_TREE_GUI_PATH = 'tax_tree_gui_path';
    public const TAX_ID = 'tax_id';
    public const TAX_TREE_CMD = 'tax_tree_cmd';
    public const TAX_TREE_PARENT_CMD = 'tax_tree_parent_cmd';

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

    public function getToolsForContextStack(CalledContexts $called_contexts): array
    {
        global $DIC;

        $lng = $DIC->language();
        $lng->loadLanguageModule("tax");

        $title = $lng->txt("tax_taxonomy");
        $icon = $DIC->ui()->factory()->symbol()->icon()->custom(\ilUtil::getImagePath("standard/icon_tax.svg"), $title);

        $tools = [];
        $additional_data = $called_contexts->current()->getAdditionalData();
        if ($additional_data->is(self::SHOW_TAX_TREE, true)) {
            $iff = fn(
                $id
            ): \ILIAS\GlobalScreen\Identification\IdentificationInterface => $this->identification_provider->contextAwareIdentifier($id);
            $l = fn(
                string $content
            ): \ILIAS\UI\Component\Legacy\Content => $this->dic->ui()->factory()->legacy()->content($content);
            $tools[] = $this->factory->tool($iff("tree"))
                                     ->withTitle($title)
                                     ->withSymbol($icon)
                                     ->withContentWrapper(fn(
                                     ): \ILIAS\UI\Component\Legacy\Content => $l($this->getEditTree(
                                         $additional_data->get(self::TAX_TREE_GUI_PATH),
                                         $additional_data->get(self::TAX_ID),
                                         $additional_data->get(self::TAX_TREE_CMD),
                                         $additional_data->get(self::TAX_TREE_PARENT_CMD)
                                     )));
        }

        return $tools;
    }

    private function getEditTree(array $gui_path, int $tax_id, string $cmd, string $parent_cmd): string
    {
        $target_gui = $gui_path[count($gui_path) - 1];
        $tax_exp = new ilTaxonomyExplorerGUI(
            $gui_path,
            $parent_cmd,
            $tax_id,
            $target_gui,
            $cmd
        );

        return $tax_exp->getHTML();
    }
}