LinkViewHelper.php

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<?php
namespace ‪TYPO3\CMS\Fluid\ViewHelpers\Widget;
 
/*
 * 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!
 */
 
use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractTagBasedViewHelper;
 
class ‪LinkViewHelper extends AbstractTagBasedViewHelper
{
    protected ‪$tagName = 'a';
 
    public function ‪initializeArguments()
    {
        parent::initializeArguments();
        $this->registerUniversalTagAttributes();
        $this->registerTagAttribute('name', 'string', 'Specifies the name of an anchor');
        $this->registerTagAttribute('rel', 'string', 'Specifies the relationship between the current document and the linked document');
        $this->registerTagAttribute('rev', 'string', 'Specifies the relationship between the linked document and the current document');
        $this->registerTagAttribute('target', 'string', 'Specifies where to open the linked document');
        $this->registerArgument('useCacheHash', 'bool', 'True whether the cache hash should be appended to the URL', false, false);
        $this->registerArgument('addQueryStringMethod', 'string', 'Method to be used for query string');
        $this->registerArgument('action', 'string', 'Target action');
        $this->registerArgument('arguments', 'array', 'Arguments', false, []);
        $this->registerArgument('section', 'string', 'The anchor to be added to the URI', false, '');
        $this->registerArgument('format', 'string', 'The requested format, e.g. ".html', false, '');
        $this->registerArgument('ajax', 'bool', 'TRUE if the URI should be to an AJAX widget, FALSE otherwise.', false, false);
    }
 
    public function ‪render()
    {
        $ajax = $this->arguments['ajax'];
 
        if ($ajax === true) {
            $uri = $this->‪getAjaxUri();
        } else {
            $uri = $this->‪getWidgetUri();
        }
        $this->tag->addAttribute('href', $uri);
        $this->tag->setContent($this->renderChildren());
        return $this->tag->render();
    }
 
    protected function ‪getAjaxUri()
    {
        $action = $this->arguments['action'];
        $arguments = $this->arguments['arguments'];
        if ($action === null) {
            $action = $this->renderingContext->getControllerContext()->getRequest()->getControllerActionName();
        }
        $arguments['id'] = ‪$GLOBALS['TSFE']->id;
        // @todo page type should be configurable
        $arguments['type'] = 7076;
        $arguments['fluid-widget-id'] = $this->renderingContext->getControllerContext()->getRequest()->getWidgetContext()->getAjaxWidgetIdentifier();
        $arguments['action'] = $action;
        return '?' . http_build_query($arguments, null, '&');
    }
 
    protected function ‪getWidgetUri()
    {
        $uriBuilder = $this->renderingContext->getControllerContext()->getUriBuilder();
        $argumentPrefix = $this->renderingContext->getControllerContext()->getRequest()->getArgumentPrefix();
        $arguments = $this->hasArgument('arguments') ? $this->arguments['arguments'] : [];
        if ($this->hasArgument('action')) {
            $arguments['action'] = $this->arguments['action'];
        }
        if ($this->hasArgument('format') && $this->arguments['format'] !== '') {
            $arguments['format'] = $this->arguments['format'];
        }
        return $uriBuilder->reset()
            ->setArguments([$argumentPrefix => $arguments])
            ->setSection($this->arguments['section'])
            ->setUseCacheHash($this->arguments['useCacheHash'])
            ->setAddQueryString(true)
            ->setAddQueryStringMethod($this->arguments['addQueryStringMethod'])
            ->setArgumentsToBeExcludedFromQueryString([$argumentPrefix, 'cHash'])
            ->setFormat($this->arguments['format'])
            ->build();
    }
}