Java JTree Node addChildNode(DefaultMutableTreeNode parent, Object child)

Description

add Child Node

License

Open Source License

Declaration

public static DefaultMutableTreeNode addChildNode(DefaultMutableTreeNode parent, Object child) 

Method Source Code

//package com.java2s;
/*//ww w .  ja va  2s.  c o m
Open Auto Trading : A fully automatic equities trading platform with machine learning capabilities
Copyright (C) 2015 AnyObject Ltd.
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
This program 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
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.HashSet;

import javax.swing.tree.DefaultMutableTreeNode;

public class Main {
    public static DefaultMutableTreeNode addChildNode(DefaultMutableTreeNode parent, Object child) {
        HashSet hashSet = new HashSet();
        DefaultMutableTreeNode childNode;

        for (int i = 0; i < parent.getChildCount(); i++) {
            hashSet.add(parent.getChildAt(i).toString());
        }

        if (hashSet.add(child.toString())) {
            childNode = new DefaultMutableTreeNode(child);
            parent.insert(childNode, parent.getChildCount());
        } else {
            int i = 0;
            do {
                childNode = (DefaultMutableTreeNode) parent.getChildAt(i++);
                //System.out.println("childNode: " + childNode);
            } while (!childNode.toString().equals(child.toString()));
        }

        return childNode;
    }
}

Related

1. addCloneNode(DefaultMutableTreeNode srcNode, DefaultMutableTreeNode root)
2. ApplyFilter(DefaultMutableTreeNode node, String filter)
3. cloneTreeNode(DefaultMutableTreeNode srcNode)
4. collapseSubTree(JTree tree, DefaultMutableTreeNode startNode, DefaultTreeModel model)