/**
* Delete taxonomy object
*/
function doDelete()
{
global $ilDB;
// delete usages
self::deleteUsagesOfTaxonomy($this->getId());
// get all nodes
$tree = $this->getTree();
$subtree = $tree->getSubTreeIds($tree->readRootId());
$subtree[] = $tree->readRootId();
// get root node data (important: must happen before we
// delete the nodes
$root_node_data = $tree->getNodeData($tree->readRootId());
// delete all nodes
include_once "./Services/Taxonomy/classes/class.ilTaxonomyNode.php";
foreach ($subtree as $node_id) {
// delete node (this also deletes its assignments)
$node = new ilTaxonomyNode($node_id);
$node->delete();
}
// delete the tree
$tree->deleteTree($root_node_data);
// delete taxonoymy properties record
$ilDB->manipulate("DELETE FROM tax_data WHERE " . " id = " . $ilDB->quote($this->getId(), "integer"));
}
