public function add_category_node($treeNodeParentID)
{
if ($this->token->validate('add_category_node')) {
$parent = TreeNode::getByID($treeNodeParentID);
$tree = $parent->getTreeObject();
$title = $_POST['treeNodeCategoryName'];
if (!$title) {
$this->error->add(t('Invalid title for category'));
}
if (!is_object($parent)) {
$this->error->add(t('Invalid parent category'));
}
$np = new Permissions($parent);
if (!$np->canAddTopicCategoryTreeNode()) {
$this->error->add(t('You may not add a category here.'));
}
if (!$this->error->has()) {
$category = TopicCategoryTreeNode::add($title, $parent);
$r = $category->getTreeNodeJSON();
Loader::helper('ajax')->sendResult($r);
}
} else {
$this->error->add($this->token->getErrorMessage());
}
if ($this->error->has()) {
Loader::helper('ajax')->sendError($this->error);
}
}
public static function add($name)
{
// copy permissions from the other node.
$rootNode = TopicCategoryTreeNode::add();
$treeID = parent::add($rootNode);
$tree = self::getByID($treeID);
$tree->setTopicTreeName($name);
// by default, topic trees are viewable by all
$guestGroupEntity = GroupPermissionAccessEntity::getOrCreate(UserGroup::getByID(GUEST_GROUP_ID));
$pk = TopicCategoryTreeNodePermissionKey::getByHandle('view_topic_category_tree_node');
$pk->setPermissionObject($rootNode);
$pa = PermissionAccess::create($pk);
$pa->addListItem($guestGroupEntity);
$pt = $pk->getPermissionAssignmentObject();
$pt->assignPermissionAccess($pa);
return $tree;
}
