dsto.dfc.swing.undo
Class CmdUndo

java.lang.Object
  dsto.dfc.swing.commands.AbstractCommand
      dsto.dfc.swing.commands.AbstractMutableCommand
          dsto.dfc.swing.undo.AbstractUndoableCommand
              dsto.dfc.swing.undo.CmdUndo

All Implemented Interfaces:

Command, Iconic, EditExceptionPolicy, Copyable, PropertyEventSource, ActionListener, Cloneable, EventListener

Direct Known Subclasses:

CmdUndoTo

public class CmdUndo
extends AbstractUndoableCommand

Command to invoke a single undo () on the MonitoredUndoManager.

Version:

$Revision$

Author:

Derek Weber

Field Summary

static Icon

ICON

Fields inherited from class dsto.dfc.swing.undo.AbstractUndoableCommand

cursorUpdatePolicy, exceptionHandler, name, undoManager

Fields inherited from class dsto.dfc.swing.commands.AbstractMutableCommand

listeners

Fields inherited from class dsto.dfc.swing.commands.AbstractCommand

displayName, icon

Fields inherited from interface dsto.dfc.swing.icons.Iconic

NULL_ICON

Constructor Summary

CmdUndo(MonitoredUndoManager undoManager)

Method Summary

void	execute(UndoableEdit edit) Implement this method with the command's behaviour.
KeyStroke	getAccelerator() The keyboard accelerator is Ctrl-Z.
String	getDescription() A short description of the command, suitable for a tooltip or use in a status panel.
Icon	getIcon() The small (16x16) icon for the object.
char	getMnemonic() Get a character shortcut for the command (eg for use on a menu).
UndoableEdit	selectedEdit() Returns the undo cursor.
void	skip() Implement this command to determine how to skip an edit which causes an exception.
void	updateEnabled() This checks that the selected edit is in the MonitoredUndoManager's undo list.

Methods inherited from class dsto.dfc.swing.undo.AbstractUndoableCommand

execute, getGroupInView, getName, handleNonExecutableEdit, isInteractive, listenForEnablingEvents, listenForEnablingEvents, pause, retry, stopListeningForEnablingEvents

Methods inherited from class dsto.dfc.swing.commands.AbstractMutableCommand

addPropertyChangeListener, clone, isEnabled, removePropertyChangeListener, setEnabled, setIcon

Methods inherited from class dsto.dfc.swing.commands.AbstractCommand

actionPerformed, canReplace, getDefaultDisplayName, getDisplayName, getLargeIcon, getLogString, setDisplayName

Methods inherited from class java.lang.Object

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

Field Detail

ICON

public static final Icon ICON

Constructor Detail

CmdUndo

public CmdUndo(MonitoredUndoManager undoManager)

Method Detail

execute

public void execute(UndoableEdit edit)

Description copied from class: AbstractUndoableCommand

Implement this method with the command's behaviour.

Specified by:

execute in class AbstractUndoableCommand

getMnemonic

public char getMnemonic()

Description copied from interface: Command

Get a character shortcut for the command (eg for use on a menu). May return 0 for no mnemonic.

Specified by:

getMnemonic in interface Command

Specified by:

getMnemonic in class AbstractCommand

getIcon

public Icon getIcon()

Description copied from interface: Iconic

The small (16x16) icon for the object. May be null if no small icon is available.

Specified by:

getIcon in interface Iconic

Overrides:

getIcon in class AbstractCommand

selectedEdit

public UndoableEdit selectedEdit()

Returns the undo cursor.

Specified by:

selectedEdit in class AbstractUndoableCommand

getDescription

public String getDescription()

Description copied from interface: Command

A short description of the command, suitable for a tooltip or use in a status panel.

Specified by:

getDescription in interface Command

Specified by:

getDescription in class AbstractCommand

updateEnabled

public void updateEnabled()

This checks that the selected edit is in the MonitoredUndoManager's undo list.

Specified by:

updateEnabled in class AbstractUndoableCommand

skip

public void skip()

Description copied from class: AbstractUndoableCommand

Implement this command to determine how to skip an edit which causes an exception.

Specified by:

skip in interface EditExceptionPolicy

Specified by:

skip in class AbstractUndoableCommand

getAccelerator

public KeyStroke getAccelerator()

The keyboard accelerator is Ctrl-Z.

Specified by:

getAccelerator in interface Command

Overrides:

getAccelerator in class AbstractCommand