9.5/_distribution_image_view_helper_8php_source.html

<?php

namespace ‪TYPO3\CMS\Extensionmanager\ViewHelpers;


/*

 * 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 ‪TYPO3\CMS\Core\Utility\GeneralUtility;

use ‪TYPO3\CMS\Core\Utility\PathUtility;

use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractTagBasedViewHelper;


class ‪DistributionImageViewHelper extends AbstractTagBasedViewHelper

{

    protected ‪$tagName = 'img';


    public function ‪initializeArguments()

    {

        parent::initializeArguments();

        $this->registerArgument('extensionkey', 'string', '', true);

        $this->registerArgument('width', 'int', 'width of the image');

        $this->registerArgument('height', 'int', 'height of the image');

        $this->registerUniversalTagAttributes();

        $this->registerTagAttribute('alt', 'string', 'Specifies an alternate text for an image', false);

    }


    public function ‪render()

    {

        $extensionKey = $this->arguments['extensionkey'];

        $width = $this->arguments['width'];

        $height = $this->arguments['height'];

        $content = '';


        $src = $this->‪findImage($extensionKey);

        $uri = $this->‪getImageUri($src);


        if (!empty($uri)) {

            if ($width) {

                $this->tag->addAttribute('width', (int)$width);

            }

            if ($height) {

                $this->tag->addAttribute('height', (int)$height);

            }

            $this->tag->addAttribute('src', $uri);

            $content = $this->tag->render();

        }


        return $content;

    }


    protected function ‪findImage($extensionKey)

    {

        $paths = [];

        $paths[] = 'EXT:' . $extensionKey . '/Resources/Public/Images/Distribution.svg';

        $paths[] = 'EXT:' . $extensionKey . '/Resources/Public/Images/Distribution.png';

        $paths[] = 'EXT:extensionmanager/Resources/Public/Images/Distribution.svg';


        foreach ($paths as $path) {

            $absFileName = GeneralUtility::getFileAbsFileName($path);

            if (file_exists($absFileName)) {

                return $absFileName;

            }

        }


        return '';

    }


    protected function ‪getImageUri($src)

    {

        $uri = GeneralUtility::getFileAbsFileName($src);

        if ($uri !== '' && !file_exists($uri)) {

            $uri = '';

        }

        if ($uri !== '') {

            $uri = '../' . ‪PathUtility::stripPathSitePrefix($uri);

        }

        return $uri;

    }

}