wcfsetup/install/files/lib/system/html/metacode/upcast/WsmMetacodeUpcast.class.php

   1 <?php
   2
   3 namespace wcf\system\html\metacode\upcast;
   4
   5 use wcf\data\media\Media;
   6 use wcf\system\cache\runtime\MediaRuntimeCache;
   7 use wcf\util\DOMUtil;
   8 use wcf\util\StringUtil;
   9
  10 /**
  11  * @author      Olaf Braun
  12  * @copyright   2001-2024 WoltLab GmbH
  13  * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  14  * @since       6.1
  15  */
  16 final class WsmMetacodeUpcast extends ImageMetacodeUpcast
  17 {
  18     #[\Override]
  19     public function upcast(\DOMElement $element, array $attributes): void
  20     {
  21         /**
  22          * @var string $alignment
  23          * @var string|int $width
  24          * @var string $thumbnail
  25          */
  26         $mediaID = \intval($attributes[0]);
  27         $thumbnail = $attributes[1] ?? 'original';
  28         $alignment = $attributes[2] ?? 'none';
  29         $width = $attributes[3] ?? 'auto';
  30         $media = MediaRuntimeCache::getInstance()->getObject($mediaID);
  31         $parentLink = $element->parentNode;
  32         /** @var \DOMElement|null $parentLink */
  33         if ($parentLink !== null && $parentLink->nodeName !== 'a') {
  34             $parentLink = null;
  35         }
  36
  37         $imgElement = $element->ownerDocument->createElement('img');
  38         if ($thumbnail === 'original') {
  39             $imgElement->setAttribute('src', StringUtil::decodeHTML($media->getLink()));
  40         } else {
  41             $imgElement->setAttribute('src', StringUtil::decodeHTML($media->getThumbnailLink($thumbnail)));
  42         }
  43         if ($width !== 'auto') {
  44             $imgElement->setAttribute('width', \intval($width));
  45             $imgElement->setAttribute('data-width', \intval($width) . 'px');
  46         }
  47         $imgElement->setAttribute('data-media-id', $mediaID);
  48         $imgElement->setAttribute('data-media-size', StringUtil::decodeHTML($thumbnail));
  49         $imgElement->setAttribute('style', $this->getStyle($media, $width, $thumbnail));
  50         if ($alignment === 'none') {
  51             $imgElement->setAttribute('class', 'image woltlabSuiteMedia');
  52             DOMUtil::replaceElement($element, $imgElement);
  53             return;
  54         }
  55         $imgElement->setAttribute('class', 'woltlabSuiteMedia');
  56
  57         $this->createFigure($element, $imgElement, $alignment, $parentLink);
  58     }
  59
  60     #[\Override]
  61     public function hasValidAttributes(array $attributes): bool
  62     {
  63         // 1-4 attributes
  64         if (\count($attributes) < 1 || \count($attributes) > 4) {
  65             return false;
  66         }
  67         $media = MediaRuntimeCache::getInstance()->getObject($attributes[0]);
  68         if ($media === null) {
  69             return false;
  70         }
  71         if (!$media->isAccessible()) {
  72             return false;
  73         }
  74         // Other media types must be converted to the text [wsm…][/wsm]
  75         return (bool)$media->isImage;
  76     }
  77
  78     #[\Override]
  79     public function cacheObject(array $attributes): void
  80     {
  81         MediaRuntimeCache::getInstance()->cacheObjectID($attributes[0] ?? 0);
  82     }
  83
  84     private function getStyle(Media $media, string|int $width, string $thumbnail): string
  85     {
  86         if ($thumbnail === 'original') {
  87             $maxWidth = $media->width;
  88         } else {
  89             $maxWidth = $media->getThumbnailWidth($thumbnail);
  90         }
  91         return \sprintf(
  92             'max-width: %dpx; width: %s;',
  93             $maxWidth,
  94             \is_numeric($width) && $width > 0 ? \intval($width) . 'px' : 'auto'
  95         );
  96     }
  97 }