` tag, for a given backend user.
*
* Examples
* ========
*
* Default
* -------
*
* ::
*
*
*
* Output::
*
*
*
* 
*
*
*
* If the given backend user hasn't added a custom avatar yet, a default one is used.
*
* Inline notation
* ---------------
*
* ::
*
* {be:avatar(backendUser: user.id, size: 32, showIcon: 'true')}
*
* Output::
*
*
*
* 
*
*
*/
class AvatarViewHelper extends AbstractViewHelper
{
use CompileWithRenderStatic;
/**
* As this ViewHelper renders HTML, the output must not be escaped.
*
* @var bool
*/
protected $escapeOutput = false;
/**
* Initializes the arguments
*/
public function initializeArguments()
{
$this->registerArgument('backendUser', 'int', 'uid of the backend user', false, 0);
$this->registerArgument('size', 'int', 'width and height of the image', false, 32);
$this->registerArgument('showIcon', 'bool', 'show the record icon as well', false, false);
}
/**
* Resolve user avatar from a given backend user id.
*
* @param array $arguments
* @param \Closure $renderChildrenClosure
* @param RenderingContextInterface $renderingContext
* @return string
*/
public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
{
if ($arguments['backendUser'] > 0) {
$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('be_users');
$queryBuilder->getRestrictions()->removeAll();
$backendUser = $queryBuilder
->select('*')
->from('be_users')
->where(
$queryBuilder->expr()->eq(
'uid',
$queryBuilder->createNamedParameter($arguments['backendUser'], \PDO::PARAM_INT)
)
)
->execute()
->fetch();
} else {
$backendUser = $GLOBALS['BE_USER']->user;
}
if ($backendUser === false) {
// no BE user can be retrieved from DB, probably deleted
return '';
}
$avatar = GeneralUtility::makeInstance(Avatar::class);
return $avatar->render($backendUser, $arguments['size'], $arguments['showIcon']);
}
}