[TYPO3-german] Re: Extbase: Sortierung von Kindobjekten

[David Brünner]

/**
	 * Removes all children of given property and attaches them again in right order
	 * @param $obj
	 * @param $forProperty
	 * @throws \TYPO3\CMS\Extbase\Mvc\Exception\NoSuchArgumentException
	 */
	public function setSorting($obj, $forProperty) {
		if ($this->request->hasArgument('swappedItems')) {
			$swappedItems = (array)json_decode($this->request->getArgument('swappedItems'));
			if ($swappedItems) {
				// remove all childs
				$obj->removeAllAttachedObjects($forProperty);
				
				// attach in correct order
				foreach ($swappedItems as $uid => $childs) {
					$model = new ReflectionClass($obj);
					if (property_exists($obj, $forProperty)) {
						$propertDocComment = $model->getProperty($forProperty)->getDocComment();
						preg_match('/.*\\\(.+)>/', $propertDocComment, $matches);
						$repositoryName = $matches[1];
						$repository = $this->objectManager->get('KKSoftware\Kkbaybw\Domain\Repository\\' . $repositoryName . 'Repository');
						foreach ($childs as $child) {
							$childObj = $repository->findByUid((int)$child);
							$method = 'add' . ucfirst($forProperty);
							$obj->{$method}($childObj);
						}
					}
				}
			}
		}
	}