_refs.wrapper.children[0]) {
          // Update old tree nodes object
          for (path in el.nodes) {
            node = el.nodes[path];
            if (path.indexOf(oldDragPath) > -1) {
              // Node is being dragged, remove from current tree
              delete el.nodes[path];
              // Update moved node children paths
              staticPath = path.substring(oldDragPath.length);
              node.path = dragNode.path + staticPath;
              el.nodes[node.path] = node;
          