Java tutorial
//package com.java2s; /* * K-scope * Copyright 2012-2013 RIKEN, Japan * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * Version to work with SSHconnect. */ import javax.swing.tree.DefaultMutableTreeNode; public class Main { public static DefaultMutableTreeNode sortTreeNode(DefaultMutableTreeNode root) { if (root == null) return root; int count = root.getChildCount(); if (count <= 0) return root; for (int i = 0; i < count; i++) { for (int j = count - 1; j > i; j--) { DefaultMutableTreeNode node = (DefaultMutableTreeNode) root.getChildAt(j); String nt = node.getUserObject().toString(); DefaultMutableTreeNode prevNode = (DefaultMutableTreeNode) root.getChildAt(j - 1); String np = prevNode.getUserObject().toString(); if (nt.compareToIgnoreCase(np) < 0) { root.insert(node, j - 1); root.insert(prevNode, j); } } sortTreeNode((DefaultMutableTreeNode) root.getChildAt(i)); } for (int i = 0; i < count; i++) { for (int j = count - 1; j > i; j--) { DefaultMutableTreeNode node = (DefaultMutableTreeNode) root.getChildAt(j); DefaultMutableTreeNode prevNode = (DefaultMutableTreeNode) root.getChildAt(j - 1); if (prevNode.isLeaf() && !node.isLeaf()) { root.insert(node, j - 1); root.insert(prevNode, j); } } } return root; } }