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JAVA JTree Wide Editor

The following code adds editor on JTree node. This example has two files: and

//Example modified from
* @version 1.0 12/03/98
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.tree.*;

public class WideEditorTreeExample extends JFrame {
public WideEditorTreeExample() {
super("Wide Editor JTree Example");
String[] strs = { "swing", // 0
"platform", // 1
"basic", // 2
"metal", // 3
"JTree"}; // 4
DefaultMutableTreeNode[] nodes = new DefaultMutableTreeNode[strs.length];
for (int i=0;i<strs.length;i++)
nodes[i] = new DefaultMutableTreeNode(strs[i]);
JTree tree = new JTree( nodes[0] );

tree.setCellEditor(new WideCellEditor(tree,

JScrollPane sp = new JScrollPane(tree);
getContentPane().add(sp, BorderLayout.CENTER);

public static void main(String args[]) {
WideEditorTreeExample frame = new WideEditorTreeExample();
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {System.exit(0);}
frame.setSize(300, 150);

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Best books about JAVA programming from Amazon
Professional Java, JDK 5 Edition (Paperback Simply Java Programming: An Application-Driven Tutorial Approach (Paperback) Effective Java Programming Language Guide (Paperback) Head First Java, 2nd Edition (Paperback) Java : An Introduction to Problem Solving and Programming (4th Edition)


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