115 lines
3.2 KiB
PHP
115 lines
3.2 KiB
PHP
<?php
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namespace TYPO3\CMS\Extensionmanager\ViewHelpers;
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Core\Utility\PathUtility;
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use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractTagBasedViewHelper;
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/**
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* Renders the distribution image
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*
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* @internal
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*/
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class DistributionImageViewHelper extends AbstractTagBasedViewHelper
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{
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/**
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* @var string
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*/
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protected $tagName = 'img';
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/**
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* Initialize arguments.
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*/
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public function initializeArguments()
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{
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parent::initializeArguments();
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$this->registerArgument('extensionkey', 'string', '', true);
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$this->registerArgument('width', 'int', 'width of the image');
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$this->registerArgument('height', 'int', 'height of the image');
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$this->registerUniversalTagAttributes();
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$this->registerTagAttribute('alt', 'string', 'Specifies an alternate text for an image', false);
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}
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/**
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* Renders the destribution preview image for the given extension
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*
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* @return string rendered tag.
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*/
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public function render()
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{
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$extensionKey = $this->arguments['extensionkey'];
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$width = $this->arguments['width'];
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$height = $this->arguments['height'];
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$content = '';
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$src = $this->findImage($extensionKey);
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$uri = $this->getImageUri($src);
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if (!empty($uri)) {
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if ($width) {
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$this->tag->addAttribute('width', (int)$width);
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}
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if ($height) {
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$this->tag->addAttribute('height', (int)$height);
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}
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$this->tag->addAttribute('src', $uri);
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$content = $this->tag->render();
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}
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return $content;
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}
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/**
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* Find the distrubution image
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*
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* @param string $extensionKey
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* @return string
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*/
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protected function findImage($extensionKey)
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{
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$paths = [];
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$paths[] = 'EXT:' . $extensionKey . '/Resources/Public/Images/Distribution.svg';
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$paths[] = 'EXT:' . $extensionKey . '/Resources/Public/Images/Distribution.png';
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$paths[] = 'EXT:extensionmanager/Resources/Public/Images/Distribution.svg';
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foreach ($paths as $path) {
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$absFileName = GeneralUtility::getFileAbsFileName($path);
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if (file_exists($absFileName)) {
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return $absFileName;
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}
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}
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return '';
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}
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/**
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* Get image uri
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*
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* @param string $src
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* @return string
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*/
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protected function getImageUri($src)
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{
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$uri = GeneralUtility::getFileAbsFileName($src);
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if ($uri !== '' && !file_exists($uri)) {
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$uri = '';
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}
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if ($uri !== '') {
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$uri = '../' . PathUtility::stripPathSitePrefix($uri);
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}
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return $uri;
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}
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}
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