jtp.undo
Class SnapshotUndoManager

java.lang.Object
  |
  +--javax.swing.undo.AbstractUndoableEdit
        |
        +--javax.swing.undo.CompoundEdit
              |
              +--javax.swing.undo.UndoManager
                    |
                    +--jtp.undo.SnapshotUndoManager

All Implemented Interfaces:

EventListener, Serializable, UndoableEdit, UndoableEditListener

Direct Known Subclasses:

UntellUndoManager

public class SnapshotUndoManager

extends UndoManager

$RCSfile: SnapshotUndoManager.java,v $ Subclass of javax.swing.undo.UndoManager with added functionality that allows a user to roll back to a specific "snapshot". Last revised: $Date: 2002/10/30 06:34:38 $

See Also:

Serialized Form

Field Summary

Fields inherited from class javax.swing.undo.CompoundEdit

edits

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

SnapshotUndoManager()

Method Summary

List	getObjectsToldSinceSnapshot(Snapshot s)
Snapshot	getSnapshot() Returns a snapshot that can later be used to revert to this point in the edits.
void	revertToSnapshot(Snapshot s) Reverts to point identified by s.

Methods inherited from class javax.swing.undo.UndoManager

addEdit, canRedo, canUndo, canUndoOrRedo, discardAllEdits, editToBeRedone, editToBeUndone, end, getLimit, getRedoPresentationName, getUndoOrRedoPresentationName, getUndoPresentationName, redo, redoTo, setLimit, toString, trimEdits, trimForLimit, undo, undoableEditHappened, undoOrRedo, undoTo

Methods inherited from class javax.swing.undo.CompoundEdit

die, getPresentationName, isInProgress, isSignificant, lastEdit

Methods inherited from class javax.swing.undo.AbstractUndoableEdit

replaceEdit

Methods inherited from class java.lang.Object

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

Constructor Detail

SnapshotUndoManager

public SnapshotUndoManager()

Method Detail

getSnapshot

public Snapshot getSnapshot()

Returns a snapshot that can later be used to revert to this point in the edits.

revertToSnapshot

public void revertToSnapshot(Snapshot s)
                      throws CannotUndoException

Reverts to point identified by s. If s.getEdit() == null, undoes all edits in stack.

CannotUndoException

getObjectsToldSinceSnapshot

public List getObjectsToldSinceSnapshot(Snapshot s)