I cant modify my CheckTree Render to be a TableTree with Checkbox ?!!

Question

hello everybody .. i am trying for 2 week to modify my code i wrote
(which allows me to have a tree with a checkbox ) to have a tabletree with checkbox for each node .. plz help .. this is my checkTree renderer
package com.kelk.cfg_util_gui;
/* swing1.1 */
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTree;
import javax.swing.UIManager;
import javax.swing.plaf.ColorUIResource;
import javax.swing.tree.TreeCellRenderer;
* @version 1.1 04/24/99
public class CheckRenderer extends JPanel implements TreeCellRenderer {
     private static final long serialVersionUID = 1L;
     private Icon kelk = new ImageIcon("/com.kelk.cfg_util/Images/KELK32.gif");
protected JCheckBox check;
protected TreeLabel label;
public CheckRenderer() {
setLayout(null);
add(check = new JCheckBox());
add(label = new TreeLabel());
check.setBackground(UIManager.getColor("Tree.textBackground"));
label.setForeground(UIManager.getColor("Tree.textForeground"));
public Component getTreeCellRendererComponent(JTree tree, Object value,
boolean isSelected, boolean expanded,
boolean leaf, int row, boolean hasFocus) {
String stringValue = tree.convertValueToText(value, isSelected,
               expanded, leaf, row, hasFocus);
setEnabled(tree.isEnabled());
check.setSelected(((CheckNode)value).isSelected());
label.setFont(tree.getFont());
label.setText(stringValue);
label.setSelected(isSelected);
label.setFocus(hasFocus);
if (leaf) {
label.setIcon(UIManager.getIcon("Tree.leafIcon"));
//label.setBackground(Color.RED);
} else if (expanded) {
label.setIcon(UIManager.getIcon("Tree.openIcon"));
} else {
label.setIcon(UIManager.getIcon("Tree.closedIcon"));
return this;
public Dimension getPreferredSize() {
Dimension d_check = check.getPreferredSize();
Dimension d_label = label.getPreferredSize();
return new Dimension(d_check.width + d_label.width,
(d_check.height < d_label.height ?
d_label.height : d_check.height));
public void doLayout() {
Dimension d_check = check.getPreferredSize();
Dimension d_label = label.getPreferredSize();
int y_check = 0;
int y_label = 0;
if (d_check.height < d_label.height) {
y_check = (d_label.height - d_check.height)/2;
} else {
y_label = (d_check.height - d_label.height)/2;
check.setLocation(0,y_check);
check.setBounds(0,y_check,d_check.width,d_check.height);
label.setLocation(d_check.width,y_label);
label.setBounds(d_check.width,y_label,d_label.width,d_label.height);
public void setBackground(Color color) {
if (color instanceof ColorUIResource)
color = null;
super.setBackground(color);
public class TreeLabel extends JLabel {
     private static final long serialVersionUID = 1L;
     boolean isSelected;
boolean hasFocus;
public TreeLabel() {
public void setBackground(Color color) {
     if(color instanceof ColorUIResource)
     color = null;
     super.setBackground(color);
public void paint(Graphics g) {
String str;
if ((str = getText()) != null) {
if (0 < str.length()) {
if (isSelected) {
g.setColor(UIManager.getColor("Tree.selectionBackground"));
} else {
g.setColor(UIManager.getColor("Tree.textBackground"));
Dimension d = getPreferredSize();
int imageOffset = 0;
Icon currentI = getIcon();
if (currentI != null) {
imageOffset = currentI.getIconWidth() + Math.max(0, getIconTextGap() - 1);
g.fillRect(imageOffset, 0, d.width -1 - imageOffset, d.height);
if (hasFocus) {
g.setColor(UIManager.getColor("Tree.selectionBorderColor"));
g.drawRect(imageOffset, 0, d.width -1 - imageOffset, d.height -1);
super.paint(g);
public Dimension getPreferredSize() {
Dimension retDimension = super.getPreferredSize();
if (retDimension != null) {
retDimension = new Dimension(retDimension.width + 3,
                    retDimension.height);
return retDimension;
public void setSelected(boolean isSelected) {
this.isSelected = isSelected;
public void setFocus(boolean hasFocus) {
this.hasFocus = hasFocus;
}

Answer 1

my code i wrote did you really?
this fellow here wrote something similar
http://www.objects.com.au/java/examples/src/tree/CheckRenderer.java
perhaps you can swap notes.