IfHasDropdownViewHelper.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Backend\ViewHelpers\Toolbar;
 
use ‪TYPO3\CMS\Backend\Toolbar\ToolbarItemInterface;
use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractConditionViewHelper;
 
class ‪IfHasDropdownViewHelper extends AbstractConditionViewHelper
{
    public function ‪initializeArguments(): void
    {
        parent::initializeArguments();
        $this->registerArgument('class', ToolbarItemInterface::class, 'The toolbar item class to be checked for providing a drop down', true);
    }
 
    public static function ‪verdict(array $arguments, RenderingContextInterface $renderingContext): bool
    {
        return $arguments['class'] instanceof ‪ToolbarItemInterface && $arguments['class']->‪hasDropDown();
    }
}