JTree disable turner

Question

Hello,
I'm trying to disable the default turner (the switch that describes wheter the subtree is opened or not). There are functions for disabling nodes (setOpenIcon(null), setClosedIcon(null)) and leafs and changing color but I did'nt find something for disabling or changing the turner in a tree. Does anybody know how I can change the image of the turner or disable it?
Greetings
Rene

Answer 1

How do you change the collapse/expand icon if you have or not the mouse on the icon?? It is like in evolution when you put the mouse on the icon it change and when you leave it it return to the other icon. I have tried with the next icon:
public class myIcon extends JComponent implements Icon{
Image image;
Image imageSelected;
Image imageUnselected;
public myIcon(String selectedIconName, String unselectedIconName) {
imageSelected = ... //I get the icon
imageUnselected = ... //I get the icon
this.image=imageUnselected;
this.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseEntered(java.awt.event.MouseEvent evt) {
image=imageSelected;
public void mouseExited(java.awt.event.MouseEvent evt) {
image=imageUnselected;
public int getIconHeight() {
return image.getHeight(null);
public int getIconWidth() {
return image.getWidth(null);
public synchronized void paintIcon(Component c, Graphics g, int x, int y) {
//if this.is
g.drawImage(image, x, y, c);
and I add to the main function:
myIcon expandedIcon = new mycon("expandedSelected.png", "expandedUnselected.png");
myIcon collapsedIcon = new myIcon("collapsedSelected.png", "collapsedUnselected.png");
UIManager.put("Tree.expandedIcon", expandedIcon);
UIManager.put("Tree.collapsedIcon", collapsedIcon);
What do I do wrong??
Thank you very much for the help