* link
*
*
*
*/
class ArgumentsViewHelper extends AbstractViewHelper implements ViewHelperInterface
{
use CompileWithRenderStatic;
/**
* Initialize arguments
*/
public function initializeArguments()
{
$this->registerArgument('mode', 'string', 'Mode, either "add" or "remove"', true);
$this->registerArgument('list', 'string', 'Category list', false, '');
$this->registerArgument('item', 'int', 'Category id', true);
$this->registerArgument('additionalParams', 'array', 'Additional params', false, []);
parent::initializeArguments();
}
/**
* @param array $arguments
* @param \Closure $renderChildrenClosure
* @param RenderingContextInterface $renderingContext
*
* @return array
*/
public static function renderStatic(
array $arguments,
\Closure $renderChildrenClosure,
RenderingContextInterface $renderingContext
): array {
if ($arguments['mode'] !== 'add' && $arguments['mode'] !== 'remove') {
throw new Exception('Mode must be either "add" or "remove', 1522293549);
}
$allArguments = (array)$arguments['additionalParams'];
$categoryId = (int)$arguments['item'];
// All IDs are numeric. Hence, split and type cast.
$categoryList = GeneralUtility::intExplode(',', $arguments['list'], true);
if ($arguments['mode'] === 'add') {
$categoryList[] = $categoryId;
} else {
// array_diff has the advantage, that it does not care how often the searched value occurs.
$categoryList = array_diff($categoryList, [$categoryId]);
}
// Ensure each ID to only occur once
$categoryList = array_unique($categoryList);
// Sort IDs, so lists are more uniform and less duplicate caches are generated
sort($categoryList);
if (!empty($categoryList)) {
$categoryList = implode(',', $categoryList);
$categoryArray = [
'tx_news_pi1' => [
'overwriteDemand' => [
'categories' => $categoryList,
],
],
];
ArrayUtility::mergeRecursiveWithOverrule($allArguments, $categoryArray);
}
return $allArguments;
}
}