/**
* Folds a given node and returns the HTML of the folded node.
*/
public static function tree_fold_node()
{
parent::$json_data += array('folded_node' => '', 'folded_sub_tree_nodes' => array(), 'folded_sub_tree' => '', 'total_displayed_nodes' => 0);
$tree = new ApmTreeData();
$tree->load_last_tree();
if (isset($_POST['node_to_fold']) && is_numeric($_POST['node_to_fold'])) {
$node_to_fold = $_POST['node_to_fold'];
$tree->fold_node($node_to_fold);
parent::$json_data['folded_node'] = $node_to_fold;
parent::$json_data['folded_sub_tree_nodes'] = $tree->get_tree_nodes($node_to_fold);
//TODO: return only the visible nodes
//Retrieve folded subtree to return it:
$tree_nodes = $tree->get_ready_to_display_tree($node_to_fold);
parent::$json_data['folded_sub_tree'] = self::get_html_tree($tree_nodes);
parent::$json_data['total_displayed_nodes'] = $tree->get_visible_nodes_number();
} else {
parent::add_error("Please send a \"node_to_fold\" as POST variable.");
}
parent::send_json();
}
