/**
* Sets the tag name to $this->tagName.
* Additionally, sets all tag attributes which were registered in
* $this->tagAttributes and additionalArguments.
*
* Will be invoked just before the render method.
*
* @return void
* @api
*/
public function initialize()
{
parent::initialize();
$this->tag->reset();
$this->tag->setTagName($this->tagName);
if ($this->hasArgument('additionalAttributes') && is_array($this->arguments['additionalAttributes'])) {
$this->tag->addAttributes($this->arguments['additionalAttributes']);
}
if (isset(self::$tagAttributes[get_class($this)])) {
foreach (self::$tagAttributes[get_class($this)] as $attributeName) {
if ($this->hasArgument($attributeName) && $this->arguments[$attributeName] !== '') {
$this->tag->addAttribute($attributeName, $this->arguments[$attributeName]);
}
}
}
}
/**
* @param $tagName
* @param array $attributes
* @param string $content
* @param bool $forceClosingTag
* @return string
*/
protected function createTag($tagName, array $attributes = NULL, $content = '', $forceClosingTag = FALSE)
{
$tag = new TagBuilder($tagName, $content);
if ($attributes) {
$tag->addAttributes($attributes);
}
$tag->forceClosingTag($forceClosingTag);
return $tag->render();
}
/**
* @param FileInterface $file
* @param int|string $width TYPO3 known format; examples: 220, 200m or 200c
* @param int|string $height TYPO3 known format; examples: 220, 200m or 200c
* @param array $options
* @param bool $usedPathsRelativeToCurrentScript See $file->getPublicUrl()
* @return string
*/
public function render(FileInterface $file, $width, $height, array $options = array(), $usedPathsRelativeToCurrentScript = false)
{
$data = $srcset = $sizes = [];
if ($file instanceof FileReference) {
$originalFile = $file->getOriginalFile();
} else {
$originalFile = $file;
}
try {
$defaultProcessConfiguration = [];
$defaultProcessConfiguration['width'] = (int) $width;
$defaultProcessConfiguration['crop'] = $file->getProperty('crop');
} catch (\InvalidArgumentException $e) {
$defaultProcessConfiguration['crop'] = '';
}
foreach ($this->settings['sourceCollection'] as $configuration) {
try {
if (!is_array($configuration)) {
throw new \RuntimeException();
}
if (isset($configuration['sizes'])) {
$sizes[] = trim($configuration['sizes'], ' ,');
}
if ((int) $configuration['width'] > (int) $width) {
throw new \RuntimeException();
}
$localProcessingConfiguration = $defaultProcessConfiguration;
$localProcessingConfiguration['width'] = $configuration['width'];
$processedFile = $originalFile->process(ProcessedFile::CONTEXT_IMAGECROPSCALEMASK, $localProcessingConfiguration);
$url = $this->absRefPrefix . $processedFile->getPublicUrl();
$data['data-' . $configuration['dataKey']] = $url;
$srcset[] = $url . rtrim(' ' . $configuration['srcset'] ?: '');
} catch (\Exception $ignoredException) {
continue;
}
}
$src = $originalFile->process(ProcessedFile::CONTEXT_IMAGECROPSCALEMASK, $defaultProcessConfiguration)->getPublicUrl();
$this->tagBuilder->reset();
$this->tagBuilder->setTagName('img');
$this->tagBuilder->addAttribute('src', $src);
$this->tagBuilder->addAttribute('alt', $file->getProperty('alternative'));
$this->tagBuilder->addAttribute('title', $file->getProperty('title'));
switch ($this->settings['layoutKey']) {
case 'srcset':
if (!empty($srcset)) {
$this->tagBuilder->addAttribute('srcset', implode(', ', $srcset));
}
$this->tagBuilder->addAttribute('sizes', implode(', ', $sizes));
break;
case 'data':
if (!empty($data)) {
foreach ($data as $key => $value) {
$this->tagBuilder->addAttribute($key, $value);
}
}
break;
default:
$this->tagBuilder->addAttributes(['width' => (int) $width, 'height' => (int) $height]);
break;
}
return $this->tagBuilder->render();
}
