Package kiyut.sketsa.undo

Class DOMUndoManager

java.lang.Object

javax.swing.undo.AbstractUndoableEdit

javax.swing.undo.CompoundEdit

javax.swing.undo.UndoManager

kiyut.sketsa.undo.DOMUndoManager

All Implemented Interfaces:

Serializable, EventListener, UndoableEditListener, UndoableEdit

public class DOMUndoManager
extends UndoManager

DOMUndoManager. Note: This is not a thread safe class.

Author:

KIYUT

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	DOMUndoManager.Entry	Undo Entry
class	DOMUndoManager.ExtendedCompoundEdit

Field Summary

Fields

Modifier and Type	Field	Description
protected DOMUndoManager.Entry	currentEntry
protected org.w3c.dom.svg.SVGDocument	document
protected EventListener	domListener
protected boolean	end
protected boolean	inProgress
protected int	limit
protected EventListenerList	listenerList
protected List<DOMUndoManager.Entry>	redoList
protected List<DOMUndoManager.Entry>	undoList

Fields inherited from class javax.swing.undo.CompoundEdit

edits

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

Constructors

Constructor	Description
DOMUndoManager()	Creates a new instance of DOMUndoManager.
DOMUndoManager(int limit)	Creates a new instance of DOMUndoManager.

Method Summary

Modifier and Type	Method	Description
protected void	addDOMEventListener(EventTarget et)
void	addUndoableEditListener(UndoableEditListener listener)	Registers an UndoableEditListener.
void	cancel()	Cancel the recording of change
boolean	canRedo()
boolean	canUndo()
void	discardAllEdits()
protected void	domNodeHandleEvent(Event evt)
void	end()	Stop recording the change
protected void	fireUndoableEditHappened()	Notifies all listeners that have registered interest for notification on this event type.
int	getLimit()
String	getRedoPresentationName()
String	getUndoOrRedoPresentationName()
String	getUndoPresentationName()
void	redo()
protected void	removeDOMEventListener(EventTarget et)
void	removeUndoableEditListener(UndoableEditListener listener)	Removes an UndoableEditListener.
void	setLimit(int limit)
void	setSVGDocument(org.w3c.dom.svg.SVGDocument doc)	set SVGDocument to be monitored
void	start(String name)	Start recording the change
void	undo()

Methods inherited from class javax.swing.undo.UndoManager

addEdit, canUndoOrRedo, editToBeRedone, editToBeUndone, redoTo, toString, trimEdits, trimForLimit, 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

Field Detail

domListener

protected EventListener domListener

document

protected org.w3c.dom.svg.SVGDocument document

listenerList

protected EventListenerList listenerList

limit

protected int limit

undoList

protected List<DOMUndoManager.Entry> undoList

redoList

protected List<DOMUndoManager.Entry> redoList

currentEntry

protected DOMUndoManager.Entry currentEntry

end

protected boolean end

inProgress

protected boolean inProgress

Constructor Detail

DOMUndoManager

public DOMUndoManager()

Creates a new instance of DOMUndoManager. The default limit is 100

DOMUndoManager

public DOMUndoManager(int limit)

Creates a new instance of DOMUndoManager.

Parameters:

limit - The limit

Method Detail

addUndoableEditListener

public void addUndoableEditListener(UndoableEditListener listener)

Registers an UndoableEditListener. The listener is notified whenever an edit occurs which can be undone.

Parameters:

listener - Listener to be added

removeUndoableEditListener

public void removeUndoableEditListener(UndoableEditListener listener)

Removes an UndoableEditListener.

Parameters:

listener - Listener to be removed

fireUndoableEditHappened

protected void fireUndoableEditHappened()

Notifies all listeners that have registered interest for notification on this event type.

getLimit

public int getLimit()

Overrides:

getLimit in class UndoManager

setLimit

public void setLimit(int limit)

Overrides:

setLimit in class UndoManager

start

public void start(String name)

Start recording the change

Parameters:

name - The name of the Undoable

end

public void end()

Stop recording the change

Overrides:

end in class UndoManager

cancel

public void cancel()

Cancel the recording of change

discardAllEdits

public void discardAllEdits()

Overrides:

discardAllEdits in class UndoManager

canUndo

public boolean canUndo()

Specified by:

canUndo in interface UndoableEdit

Overrides:

canUndo in class UndoManager

canRedo

public boolean canRedo()

Specified by:

canRedo in interface UndoableEdit

Overrides:

canRedo in class UndoManager

undo

public void undo()
          throws CannotUndoException

Specified by:

undo in interface UndoableEdit

Overrides:

undo in class UndoManager

Throws:

CannotUndoException

redo

public void redo()
          throws CannotRedoException

Specified by:

redo in interface UndoableEdit

Overrides:

redo in class UndoManager

Throws:

CannotRedoException

setSVGDocument

public void setSVGDocument(org.w3c.dom.svg.SVGDocument doc)

set SVGDocument to be monitored

Parameters:

doc - SVGDocument

getUndoOrRedoPresentationName

public String getUndoOrRedoPresentationName()

Overrides:

getUndoOrRedoPresentationName in class UndoManager

getUndoPresentationName

public String getUndoPresentationName()

Specified by:

getUndoPresentationName in interface UndoableEdit

Overrides:

getUndoPresentationName in class UndoManager

getRedoPresentationName

public String getRedoPresentationName()

Specified by:

getRedoPresentationName in interface UndoableEdit

Overrides:

getRedoPresentationName in class UndoManager

addDOMEventListener

protected void addDOMEventListener(EventTarget et)

removeDOMEventListener

protected void removeDOMEventListener(EventTarget et)

domNodeHandleEvent

protected void domNodeHandleEvent(Event evt)