edu.princeton.swing
Class ActionedUndoManager

java.lang.Object
  |
  +--javax.swing.undo.AbstractUndoableEdit
        |
        +--javax.swing.undo.CompoundEdit
              |
              +--javax.swing.undo.UndoManager
                    |
                    +--edu.princeton.swing.ActionedUndoManager

All Implemented Interfaces:

EventListener, Serializable, UndoableEdit, UndoableEditListener

public class ActionedUndoManager

extends UndoManager

ActionedUndoManager extends UndoManager to provide usable Action objects for the undo and redo properties.

See Also:

Serialized Form

Nested Class Summary

protected class	ActionedUndoManager.RedoAction RedoAction is an action which calls the redo() method of its ActionedUndoManager.
protected class	ActionedUndoManager.UndoAction UndoAction is an action which calls the undo() method of its ActionedUndoManager.

Field Summary

static Icon	REDO_ICON The redo icon.
static byte[]	REDO_ICON_BYTES The bytes for the redo icon.
static Icon	UNDO_ICON The undo icon.
static byte[]	UNDO_ICON_BYTES The bytes for the undo icon.

Fields inherited from class javax.swing.undo.CompoundEdit

edits

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

ActionedUndoManager()
Creates a new ActionedUndoManager.

Method Summary

boolean	addEdit(UndoableEdit anEdit) Intercept all calls that could affect the undo/redo action states.
void	discardAllEdits() Intercept all calls that could affect the undo/redo action states.
void	end() Intercept all calls that could affect the undo/redo action states.
AbstractAction2	getRedoAction() Returns an action that calls the redo method of this ActionedUndoManager.
AbstractAction2	getUndoAction() Returns an action that calls the undo method of this ActionedUndoManager.
void	redo() Intercept all calls that could affect the undo/redo action states.
protected void	redoTo(UndoableEdit edit) Intercept all calls that could affect the undo/redo action states.
boolean	replaceEdit(UndoableEdit anEdit) Intercept all calls that could affect the undo/redo action states.
void	setLimit(int l) Intercept all calls that could affect the undo/redo action states.
protected void	trimEdits(int from, int to) Intercept all calls that could affect the undo/redo action states.
protected void	trimForLimit() Intercept all calls that could affect the undo/redo action states.
void	undo() Intercept all calls that could affect the undo/redo action states.
void	undoableEditHappened(UndoableEditEvent e) Intercept all calls that could affect the undo/redo action states.
void	undoOrRedo() Intercept all calls that could affect the undo/redo action states.
protected void	undoTo(UndoableEdit edit) Intercept all calls that could affect the undo/redo action states.

Methods inherited from class javax.swing.undo.UndoManager

canRedo, canUndo, canUndoOrRedo, editToBeRedone, editToBeUndone, getLimit, getRedoPresentationName, getUndoOrRedoPresentationName, getUndoPresentationName, toString

Methods inherited from class javax.swing.undo.CompoundEdit

die, getPresentationName, isInProgress, isSignificant, lastEdit

Methods inherited from class java.lang.Object

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

Field Detail

UNDO_ICON_BYTES

public static final byte[] UNDO_ICON_BYTES

The bytes for the undo icon.

UNDO_ICON

public static final Icon UNDO_ICON

The undo icon.

REDO_ICON_BYTES

public static final byte[] REDO_ICON_BYTES

The bytes for the redo icon.

REDO_ICON

public static final Icon REDO_ICON

The redo icon.

Constructor Detail

ActionedUndoManager

public ActionedUndoManager()

Creates a new ActionedUndoManager.

Method Detail

getUndoAction

public AbstractAction2 getUndoAction()

Returns an action that calls the undo method of this ActionedUndoManager. This ActionedUndoManager also manages the enabled status of the action.

Returns:

The action for the undo operation.

getRedoAction

public AbstractAction2 getRedoAction()

Returns an action that calls the redo method of this ActionedUndoManager. This ActionedUndoManager also manages the enabled status of the action.

Returns:

The action for the redo operation.

discardAllEdits

public void discardAllEdits()

Intercept all calls that could affect the undo/redo action states.

Overrides:

discardAllEdits in class UndoManager

trimForLimit

protected void trimForLimit()

Intercept all calls that could affect the undo/redo action states.

Overrides:

trimForLimit in class UndoManager

trimEdits

protected void trimEdits(int from,
                         int to)

Intercept all calls that could affect the undo/redo action states.

Overrides:

trimEdits in class UndoManager

setLimit

public void setLimit(int l)

Intercept all calls that could affect the undo/redo action states.

Overrides:

setLimit in class UndoManager

undoTo

protected void undoTo(UndoableEdit edit)
               throws CannotUndoException

Intercept all calls that could affect the undo/redo action states.

Overrides:

undoTo in class UndoManager

CannotUndoException

redoTo

protected void redoTo(UndoableEdit edit)
               throws CannotRedoException

Intercept all calls that could affect the undo/redo action states.

Overrides:

redoTo in class UndoManager

CannotRedoException

undoOrRedo

public void undoOrRedo()
                throws CannotRedoException,
                       CannotUndoException

Intercept all calls that could affect the undo/redo action states.

Overrides:

undoOrRedo in class UndoManager

CannotRedoException

CannotUndoException

undo

public void undo()
          throws CannotUndoException

Intercept all calls that could affect the undo/redo action states.

Specified by:

undo in interface UndoableEdit

Overrides:

undo in class UndoManager

CannotUndoException

redo

public void redo()
          throws CannotRedoException

Intercept all calls that could affect the undo/redo action states.

Specified by:

redo in interface UndoableEdit

Overrides:

redo in class UndoManager

CannotRedoException

addEdit

public boolean addEdit(UndoableEdit anEdit)

Intercept all calls that could affect the undo/redo action states.

Specified by:

addEdit in interface UndoableEdit

Overrides:

addEdit in class UndoManager

end

public void end()

Intercept all calls that could affect the undo/redo action states.

Overrides:

end in class UndoManager

undoableEditHappened

public void undoableEditHappened(UndoableEditEvent e)

Intercept all calls that could affect the undo/redo action states.

Specified by:

undoableEditHappened in interface UndoableEditListener

Overrides:

undoableEditHappened in class UndoManager

replaceEdit

public boolean replaceEdit(UndoableEdit anEdit)

Intercept all calls that could affect the undo/redo action states.

Specified by:

replaceEdit in interface UndoableEdit

Overrides:

replaceEdit in class AbstractUndoableEdit