Package com.bc.ceres.swing.undo.support

Class DefaultUndoContext

java.lang.Object

com.bc.ceres.swing.undo.support.DefaultUndoContext

All Implemented Interfaces:

UndoContext

public class DefaultUndoContext
extends Object
implements UndoContext

Constructor Summary

Constructors

Constructor	Description
DefaultUndoContext(Object source)
DefaultUndoContext(Object source, UndoManager undoManager)

Method Summary

Modifier and Type	Method	Description
void	addUndoableEditListener(UndoableEditListener listener)	Adds an undoable edit listener.
boolean	canRedo()
boolean	canUndo()
UndoableEditListener[]	getUndoableEditListeners()	Gets the array of all undoable edit listeners.
UndoManager	getUndoManager()
void	postEdit(UndoableEdit edit)	Posts an undoable edit.
void	redo()
void	removeUndoableEditListener(UndoableEditListener listener)	Removes an undoable edit listener.
void	undo()

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultUndoContext

public DefaultUndoContext(Object source)

DefaultUndoContext

public DefaultUndoContext(Object source,
 UndoManager undoManager)

Method Details

getUndoManager

public UndoManager getUndoManager()

canUndo

public boolean canUndo()

Specified by:

canUndo in interface UndoContext

undo

public void undo()

Specified by:

undo in interface UndoContext

canRedo

public boolean canRedo()

Specified by:

canRedo in interface UndoContext

redo

public void redo()

Specified by:

redo in interface UndoContext

postEdit

public void postEdit(UndoableEdit edit)

Description copied from interface: UndoContext

Posts an undoable edit. Listeners will be notified.

Specified by:

postEdit in interface UndoContext

Parameters:

edit - The undoable edit.

addUndoableEditListener

public void addUndoableEditListener(UndoableEditListener listener)

Description copied from interface: UndoContext

Adds an undoable edit listener.

Specified by:

addUndoableEditListener in interface UndoContext

Parameters:

listener - The listener.

removeUndoableEditListener

public void removeUndoableEditListener(UndoableEditListener listener)

Description copied from interface: UndoContext

Removes an undoable edit listener.

Specified by:

removeUndoableEditListener in interface UndoContext

Parameters:

listener - The listener.

getUndoableEditListeners

public UndoableEditListener[] getUndoableEditListeners()

Description copied from interface: UndoContext

Gets the array of all undoable edit listeners.

Specified by:

getUndoableEditListeners in interface UndoContext

Returns:

The array of listeners or an empty array if no listeners have been added