content: //  Copyright 2006, Clark N. Hobbie
  //
  //  This file is part of the util library.
  //
  //  The util library is free software; you can redistribute it and/or modify it
  //  under the terms of the Lesser GNU General Public License as published by
  //  the Free Software Foundation; either version 2.1 of the License, or (at
  //  your option) any later version.
  //
  //  The util library is distributed in the hope that it will be useful, but
  //  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  //  or FITNESS FOR A PARTICULAR PURPOSE.  See the Lesser GNU General Public
  //  License for more details.
  //
  //  You should have received a copy of the Lesser GNU General Public License
  //  along with the util library; if not, write to the Free Software Foundation,
  //  Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  //
  package com.lts.swing.tree;
  import javax.swing.tree.DefaultMutableTreeNode;
  import javax.swing.tree.DefaultTreeModel;
  
  /*
   * Copyright (c) 2003 by Long Term Software, LLC.  All rights reserved.
   */
  
  /**
   * @author cnh
   */
  @SuppressWarnings("serial")
  public class SortedTreeModel 
  	extends DefaultTreeModel 
  {
  	public SortedTreeModel (DefaultMutableTreeNode root)
  	{
  		super(root);
  	}
  	
  	
  	public void addChild (
  		DefaultMutableTreeNode parent,
  		DefaultMutableTreeNode child
  	)
  	{
  		String childName = "";
  		
  		if (null != child.getUserObject())
  			childName = child.getUserObject().toString();
  			
  		int count = parent.getChildCount();
  		int index;
  		
  		for (index = 0; index < count; index++)
  		{
  			DefaultMutableTreeNode node;
  			node = (DefaultMutableTreeNode) parent.getChildAt(index);
  			String s = "";
  			if (null != node.getUserObject())
  				s = node.getUserObject().toString();
  			
  			if (childName.compareTo(s) < 0)
  				break;
  		}
  		
  		insertNodeInto(child, parent, index);
  	}
  	
  	public void addChild (DefaultMutableTreeNode child)
  	{
  		DefaultMutableTreeNode root = (DefaultMutableTreeNode) getRoot();
  		addChild(root, child);
  	}
  }
  