ptolemy.gui

Class UndoListener.UndoAction

java.lang.Object

javax.swing.AbstractAction

ptolemy.gui.UndoListener.UndoAction

All Implemented Interfaces:

java.awt.event.ActionListener, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, javax.swing.Action

Enclosing class:

UndoListener

protected class UndoListener.UndoAction
extends javax.swing.AbstractAction

Perform the undo action.

See Also:

Serialized Form

Field Summary

Fields inherited from class javax.swing.AbstractAction

changeSupport, enabled

Fields inherited from interface javax.swing.Action

ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON

Constructor Summary

Constructors

Constructor and Description
UndoAction()

Method Summary

Modifier and Type	Method and Description
protected void	_updateUndoState() Depending on the whether the undo manager can undo, enable and disable the undo state.
void	actionPerformed(java.awt.event.ActionEvent e)

Methods inherited from class javax.swing.AbstractAction

addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled

Methods inherited from class java.lang.Object

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

Constructor Detail

UndoAction

public UndoAction()

Method Detail

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent e)

_updateUndoState

protected void _updateUndoState()

Depending on the whether the undo manager can undo, enable and disable the undo state.