org.jhotdraw.draw
Class AttributeChangeEdit<T>

java.lang.Object
  extended by javax.swing.undo.AbstractUndoableEdit
      extended by org.jhotdraw.draw.AttributeChangeEdit<T>
All Implemented Interfaces:
java.io.Serializable, javax.swing.undo.UndoableEdit

public class AttributeChangeEdit<T>
extends javax.swing.undo.AbstractUndoableEdit

An UndoableEdit event which can undo a change of a Figure attribute.

Version:
$Id: AttributeChangeEdit.java 564 2009-10-10 10:21:01Z rawcoder $
Author:
Werner Randelshofer
See Also:
Serialized Form

Field Summary
private  AttributeKey<T> name
           
private  T newValue
           
private  T oldValue
           
private  Figure owner
           
 
Fields inherited from class javax.swing.undo.AbstractUndoableEdit
RedoName, UndoName
 
Constructor Summary
AttributeChangeEdit(Figure owner, AttributeKey<T> name, T oldValue, T newValue)
          Creates a new instance.
 
Method Summary
 java.lang.String getPresentationName()
           
 void redo()
           
 void undo()
           
 
Methods inherited from class javax.swing.undo.AbstractUndoableEdit
addEdit, canRedo, canUndo, die, getRedoPresentationName, getUndoPresentationName, isSignificant, replaceEdit, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

owner

private Figure owner

name

private AttributeKey<T> name

oldValue

private T oldValue

newValue

private T newValue
Constructor Detail

AttributeChangeEdit

public AttributeChangeEdit(Figure owner,
                           AttributeKey<T> name,
                           T oldValue,
                           T newValue)
Creates a new instance.

Method Detail

getPresentationName

public java.lang.String getPresentationName()
Specified by:
getPresentationName in interface javax.swing.undo.UndoableEdit
Overrides:
getPresentationName in class javax.swing.undo.AbstractUndoableEdit

redo

public void redo()
          throws javax.swing.undo.CannotRedoException
Specified by:
redo in interface javax.swing.undo.UndoableEdit
Overrides:
redo in class javax.swing.undo.AbstractUndoableEdit
Throws:
javax.swing.undo.CannotRedoException

undo

public void undo()
          throws javax.swing.undo.CannotUndoException
Specified by:
undo in interface javax.swing.undo.UndoableEdit
Overrides:
undo in class javax.swing.undo.AbstractUndoableEdit
Throws:
javax.swing.undo.CannotUndoException