AddNewItemGUI.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\ILIASObject\Creation;
 
use ILIAS\UI\Factory as UIFactory;
use ILIAS\UI\Renderer as UIRenderer;
 
class AddNewItemGUI
{
    private \ilLanguage $lng;
    private \ilObjectDefinition $obj_definition;
    private \ilSetting $settings;
    private \ilAccessHandler $access;
    private \ilCtrl $ctrl;
    private \ilToolbarGUI $toolbar;
    private \ilGlobalTemplateInterface $tpl;
 
    private UIFactory $ui_factory;
    private UIRenderer $ui_renderer;
 
    public function __construct(
        private array $elements = []
    ) {
        global $DIC;
 
        $this->lng = $DIC['lng'];
        $this->toolbar = $DIC['ilToolbar'];
        $this->tpl = $DIC['tpl'];
 
        $this->ui_factory = $DIC['ui.factory'];
        $this->ui_renderer = $DIC['ui.renderer'];
    }
 
    public function render(): void
    {
        if ($this->elements === []) {
            return;
        }
        $modal = $this->ui_factory->modal()->roundtrip(
            $this->lng->txt('cntr_add_new_item'),
            $this->ui_factory->menu()->drilldown(
                $this->lng->txt('object_list'),
                $this->buildAddNewItemsMenu($this->elements)
            )
        );
 
        $this->toolbar->addComponent(
            $this->ui_factory->button()->primary(
                $this->lng->txt('cntr_add_new_item'),
                $modal->getShowSignal()
            )
        );
        $this->tpl->setVariable(
            'IL_OBJECT_ADD_NEW_ITEM_MODAL',
            $this->ui_renderer->render($modal)
        );
    }
 
    private function buildAddNewItemsMenu(array $elements): ?array
    {
        $sub_menu = [];
 
        foreach ($elements as $element) {
            if ($element->getType() === AddNewItemElementTypes::Group) {
                $sub_menu[] = $this->ui_factory->menu()->sub(
                    $element->getLabel(),
                    $this->buildAddNewItemsMenu($element->getSubElements())
                );
            }
            if ($element->getType() === AddNewItemElementTypes::Object) {
                $sub_menu[] = $this->ui_factory->link()->bulky(
                    $element->getIcon(),
                    $element->getLabel(),
                    $element->getCreationUri()
                );
                continue;
            }
        }
 
        return $sub_menu;
    }
}