PHP ApmTreeData::open_the_way_to_node示例

 /**
  * Opens (unfolds) the necessary nodes to access to a given node, and 
  * returns the HTML of the first unfolded node and its children.
  */
 public static function tree_find_node()
 {
     parent::$json_data += array('node_to_find' => '', 'node_to_replace' => '', 'tree_to_replace_node_with' => '', 'tree_nodes' => array());
     $tree = new ApmTreeData();
     $tree->load_last_tree();
     $node_to_find = $_POST['node_to_find'];
     parent::$json_data['node_to_find'] = $node_to_find;
     $node_to_replace = $tree->open_the_way_to_node($node_to_find);
     if ($node_to_replace !== false) {
         parent::$json_data['node_to_replace'] = $node_to_replace;
         $tree_nodes = $tree->get_ready_to_display_tree($node_to_replace);
         parent::$json_data['tree_nodes'] = array_keys($tree_nodes);
         parent::$json_data['tree_to_replace_node_with'] = self::get_html_tree($tree_nodes);
     } else {
         parent::add_error("Node [{$node_to_find}] not found");
     }
     parent::send_json();
 }