外部画像を取得するための独自のビューヘルパーを作成しました (robert pflamm のおかげで、外部リソースからの Typo3 流体画像を参照してください)。ImageViewHelper のみを使用すると、すべてが機能しています。
しかし、私が使用する場合\TYPO3\CMS\Fluid\ViewHelpers\Uri\ImageViewHelper、画像は一度だけレンダリングされます。ここと同じ問題TYPO3 ver. 7.6.2 - 条件 ViewHelpers は 1 回だけ評価されます。しかし、私はそれを解決する方法がわかりません
誰でも助けてもらえますか？マーティン
namespace Mwxxx\Mwxxx\ViewHelpers;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Fluid\ViewHelpers\Uri\ImageViewHelper;
use TYPO3\CMS\Core\Resource\FileInterface;
use TYPO3\CMS\Extbase\Domain\Model\AbstractFileFolder;
class ExternalImageViewHelper extends \TYPO3\CMS\Fluid\ViewHelpers\Uri\ImageViewHelper
{
const UPLOAD_DIRECTORY = 'upload';
const TEMP_PREFIX = 'Mwxx';
/**
* ResourceFactory
*
* @var \TYPO3\CMS\Core\Resource\ResourceFactory
* @inject
*/
protected $resourceFactory = null;
/**
* Resizes a given image (if required) and renders the respective img tag
*
* @see https://docs.typo3.org/typo3cms/TyposcriptReference/ContentObjects/Image/
*
* @param string $src a path to a file, a combined FAL identifier or an uid (integer). If $treatIdAsReference is set, the integer is considered the uid of the sys_file_reference record. If you already got a FAL object, consider using the $image parameter instead
* @param string $width width of the image. This can be a numeric value representing the fixed width of the image in pixels. But you can also perform simple calculations by adding "m" or "c" to the value. See imgResource.width for possible options.
* @param string $height height of the image. This can be a numeric value representing the fixed height of the image in pixels. But you can also perform simple calculations by adding "m" or "c" to the value. See imgResource.width for possible options.
* @param integer $minWidth minimum width of the image
* @param integer $minHeight minimum height of the image
* @param integer $maxWidth maximum width of the image
* @param integer $maxHeight maximum height of the image
* @param boolean $treatIdAsReference given src argument is a sys_file_reference record
* @param FileInterface|AbstractFileFolder $image a FAL object
*
* @return string
* @throws \Exception
* @throws \TYPO3\CMS\Core\Resource\Exception\InsufficientFolderAccessPermissionsException
* @throws \TYPO3\CMS\Core\Resource\Exception\InsufficientFolderWritePermissionsException
* @throws \TYPO3\CMS\Fluid\Core\ViewHelper\Exception
*/
public function render($src = null, $image = null, $width = null, $height = null, $minWidth = null, $minHeight = null, $maxWidth = null, $maxHeight = null, $treatIdAsReference = false)
{
if (filter_var($src, FILTER_VALIDATE_URL)) {
$storage = $this->resourceFactory->getDefaultStorage();
if (!$storage->hasFolder(self::UPLOAD_DIRECTORY)) {
$storage->createFolder(self::UPLOAD_DIRECTORY);
}
if (file_exists('fileadmin/upload/'.basename(basename($src)))) {
#echo "Die Datei $filename existiert";
$src = 'fileadmin/upload/'.basename(basename($src));
}
else {
$externalFile = GeneralUtility::getUrl($src);
if ($externalFile) {
$tempFileName = tempnam(sys_get_temp_dir(), self::TEMP_PREFIX);
$handle = fopen($tempFileName, "w");
fwrite($handle, $externalFile);
fclose($handle);
$uploadFolder = $storage->getFolder(self::UPLOAD_DIRECTORY);
#echo "Die Datei $filename existiert nicht";
$file = $uploadFolder->addFile($tempFileName, basename(basename($src)), 'changeName');
$src = $file->getPublicUrl();
#unlink($tempFileName);
} else {
throw new \Exception(sprintf('External URL % cannot accessed.', $src), 1473233519);
}
}
}
return parent::render($src, $image, $width, $height, $minWidth, $minHeight, $maxWidth, $maxHeight, $treatIdAsReference);
}
}