ptolemy.plot

Class EditablePlot.UndoListener

java.lang.Object

ptolemy.plot.EditablePlot.UndoListener

All Implemented Interfaces:

java.awt.event.KeyListener, java.util.EventListener

Enclosing class:

EditablePlot

public class EditablePlot.UndoListener
extends java.lang.Object
implements java.awt.event.KeyListener

Control-Z is undo and Control-Y is redo.

Constructor Summary

Constructors

Constructor and Description
UndoListener()

Method Summary

Modifier and Type	Method and Description
void	keyPressed(java.awt.event.KeyEvent e) Handle Control, Z or Y being pressed with by calling undo() or redo().
void	keyReleased(java.awt.event.KeyEvent e) Handle Control being released.
void	keyTyped(java.awt.event.KeyEvent e) Ignored by this class.

Methods inherited from class java.lang.Object

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

Constructor Detail

UndoListener

public UndoListener()

Method Detail

keyPressed

public void keyPressed(java.awt.event.KeyEvent e)

Handle Control, Z or Y being pressed with by calling undo() or redo().

Specified by:

keyPressed in interface java.awt.event.KeyListener

Parameters:

e - The KeyEvent.

keyReleased

public void keyReleased(java.awt.event.KeyEvent e)

Handle Control being released.

Specified by:

keyReleased in interface java.awt.event.KeyListener

Parameters:

e - The KeyEvent.

keyTyped

public void keyTyped(java.awt.event.KeyEvent e)

Ignored by this class. The keyTyped method is broken in jdk 1.1.4. It always gets "unknown key code".

Specified by:

keyTyped in interface java.awt.event.KeyListener

Parameters:

e - Ignored by this method.