info.aduna.swing.overlay
Class TreeOverlay

java.lang.Object
  java.awt.event.MouseAdapter
      javax.swing.event.MouseInputAdapter
          info.aduna.swing.overlay.TreeOverlay

All Implemented Interfaces:

MouseListener, MouseMotionListener, MouseWheelListener, EventListener, MouseInputListener, TreeSelectionListener

public class TreeOverlay
extends MouseInputAdapter
implements TreeSelectionListener

A TreeOverlay displays the contents of a tree node in its entirety when it is partially invisible (e.g. because it's hidden by a JScrollPane) and the mouse pointer is over it.

This code is largely based on code obtained from the following web pages:

• http://www.jroller.com/page/santhosh?entry=partially_visible_jtree_nodes
• http://www.jroller.com/page/santhosh?entry=partially_visible_jtree_nodes_contd

Use this code in the following way:

JTree tree = ...
new TreeOverlay(tree);

Constructor Summary

TreeOverlay(JTree tree)

Method Summary

void	mouseExited(MouseEvent e)
void	mouseMoved(MouseEvent e)
void	valueChanged(TreeSelectionEvent e)

Methods inherited from class java.awt.event.MouseAdapter

mouseClicked, mouseDragged, mouseEntered, mousePressed, mouseReleased, mouseWheelMoved

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.awt.event.MouseListener

mouseClicked, mouseEntered, mousePressed, mouseReleased

Methods inherited from interface java.awt.event.MouseMotionListener

mouseDragged

Constructor Detail

TreeOverlay

public TreeOverlay(JTree tree)

Method Detail

mouseExited

public void mouseExited(MouseEvent e)

Specified by:

mouseExited in interface MouseListener

Overrides:

mouseExited in class MouseAdapter

mouseMoved

public void mouseMoved(MouseEvent e)

Specified by:

mouseMoved in interface MouseMotionListener

Overrides:

mouseMoved in class MouseAdapter

valueChanged

public void valueChanged(TreeSelectionEvent e)

Specified by:

valueChanged in interface TreeSelectionListener