public function getFilteredObjects()
{
include_once "Services/Taxonomy/classes/class.ilTaxonomyTree.php";
include_once "Services/Taxonomy/classes/class.ilTaxNodeAssignment.php";
include_once "Services/Taxonomy/classes/class.ilTaxonomyNode.php";
$tax_obj_ids = $tax_map = array();
// :TODO: this could be smarter
foreach ($this->selection as $node_id) {
$node = new ilTaxonomyNode($node_id);
$tax_map[$node->getTaxonomyId()][] = $node_id;
}
foreach ($tax_map as $tax_id => $node_ids) {
$tax_tree = new ilTaxonomyTree($tax_id);
// combine taxonomy nodes OR
$tax_nodes = array();
foreach ($node_ids as $node_id) {
$tax_nodes = array_merge($tax_nodes, $tax_tree->getSubTreeIds($node_id));
$tax_nodes[] = $node_id;
}
$tax_obj_ids[$tax_id] = ilTaxNodeAssignment::findObjectsByNode($tax_id, $tax_nodes, "obj");
}
// combine taxonomies AND
$obj_ids = null;
foreach ($tax_obj_ids as $tax_objs) {
if ($obj_ids === null) {
$obj_ids = $tax_objs;
} else {
$obj_ids = array_intersect($obj_ids, $tax_objs);
}
}
return (array) $obj_ids;
}
