Files
cms-backend/Classes/ViewHelpers/Toolbar/IfHasDropdownViewHelper.php
T

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PHP

<?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;
/**
* ViewHelper condition to checks whether a toolbar item provides a dropdown menu.
*
* ```
* <be:toolbar.ifHasDropdown class="{toolbarItem}">
* <f:then>...</f:then>
* <f:else>...</f:else>
* </be:toolbar.ifHasDropdown>
* ```
*
* @see https://docs.typo3.org/permalink/t3viewhelper:typo3-backend-toolbar-ifhasdropdown
* @internal
*/
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);
}
/**
* @param array{class: object} $arguments
*/
public static function verdict(array $arguments, RenderingContextInterface $renderingContext): bool
{
return $arguments['class'] instanceof ToolbarItemInterface && $arguments['class']->hasDropDown();
}
}