+ public static DefaultMutableTreeNode sortTree(DefaultMutableTreeNode root) {
+ {
+ for (int i = 0; i < root.getChildCount() - 1; i++) {
+ DefaultMutableTreeNode node = (DefaultMutableTreeNode) root.getChildAt(i);
+ String nt = node.getUserObject().toString();
+
+ for (int j = i + 1; j <= root.getChildCount() - 1; j++) {
+ DefaultMutableTreeNode prevNode = (DefaultMutableTreeNode) root
+ .getChildAt(j);
+ String np = prevNode.getUserObject().toString();
+ if (nt.compareToIgnoreCase(np) > 0) {
+ root.insert(node, j);
+ break;
+ }
+ }
+ if (node.getChildCount() > 0) {
+ node = sortTree(node);
+ }
+ }
+ return root;
+ }