au.edu.swin.synergy.plugin.editmanager
Class BUndoManager

java.lang.Object
  |
  +--javax.swing.undo.AbstractUndoableEdit
        |
        +--javax.swing.undo.CompoundEdit
              |
              +--javax.swing.undo.UndoManager
                    |
                    +--au.edu.swin.synergy.plugin.editmanager.BUndoManager

public class BUndoManager

extends UndoManager

This will be the undo listener which needs to be informed of all undo and redoable events. It will inform the edit manager automatically when an event occurs so that the menu is updated as required.

Author:

Tristan Austin

See Also:

Serialized Form

Fields inherited from class javax.swing.undo.CompoundEdit

edits

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

BUndoManager(BEditManager editManager)
Creates a new undo manager with the given edt manager

Method Summary

void	relinquishUndoManager() This will remove the current undo manager if it is this one
void	setUndoManager() Calling this method will make this undo manager the current one in the edit manager so that any undo calls by the user will occur in this manager.
void	undoableEditHappened(UndoableEditEvent undoEvent) Undoable edit events indicate when an edit occurs and contain the edit object which is placed in the history list.
void	unregisterUndoManager(Object source) This will unregister this undo manager with the edit manager

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, 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

BUndoManager

public BUndoManager(BEditManager editManager)

Creates a new undo manager with the given edt manager

Parameters:

editManager - The manager

Method Detail

undoableEditHappened

public void undoableEditHappened(UndoableEditEvent undoEvent)

Undoable edit events indicate when an edit occurs and contain the edit object which is placed in the history list.

This will inform the edit manager of the event so that it can update the interface as required.

Parameters:

undoEvent - The undo event

Overrides:

undoableEditHappened in class UndoManager

setUndoManager

public void setUndoManager()

Calling this method will make this undo manager the current one in the edit manager so that any undo calls by the user will occur in this manager.

relinquishUndoManager

public void relinquishUndoManager()

This will remove the current undo manager if it is this one

unregisterUndoManager

public void unregisterUndoManager(Object source)

This will unregister this undo manager with the edit manager