/**
* Adds a given category.
* @param Category $category The category to add to the tree
* @return Category the added category
*/
public function addCategory (Category $category) {
$parent = $category->getParent();
if ($parent == 0) {
$parent = $this->getRootNode();
} else {
$parent = PartKeepr::getEM()->find("de\RaumZeitLabor\PartKeepr\Category\Category", $parent);
$parent = new NodeWrapper($parent, $this->getNodeManager());
}
return $parent->addChild($category);
}
