org.jhotdraw.draw
Class BezierNodeEdit

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

 class BezierNodeEdit
extends javax.swing.undo.AbstractUndoableEdit

An UndoableEdit event which can undo a change of a node in a BezierFigure.

Version:
$Id: BezierNodeEdit.java 536 2009-06-14 12:10:57Z rawcoder $
Author:
Werner Randelshofer

Field Summary
private  int index
           
private  BezierPath.Node newValue
           
private  BezierPath.Node oldValue
           
private  BezierFigure owner
           
 
Fields inherited from class javax.swing.undo.AbstractUndoableEdit
RedoName, UndoName
 
Constructor Summary
BezierNodeEdit(BezierFigure owner, int index, BezierPath.Node oldValue, BezierPath.Node newValue)
          Creates a new instance.
 
Method Summary
 boolean addEdit(javax.swing.undo.UndoableEdit anEdit)
           
 java.lang.String getPresentationName()
           
 void redo()
           
 void undo()
           
 
Methods inherited from class javax.swing.undo.AbstractUndoableEdit
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 BezierFigure owner

index

private int index

oldValue

private BezierPath.Node oldValue

newValue

private BezierPath.Node newValue
Constructor Detail

BezierNodeEdit

public BezierNodeEdit(BezierFigure owner,
                      int index,
                      BezierPath.Node oldValue,
                      BezierPath.Node 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

addEdit

public boolean addEdit(javax.swing.undo.UndoableEdit anEdit)
Specified by:
addEdit in interface javax.swing.undo.UndoableEdit
Overrides:
addEdit in class javax.swing.undo.AbstractUndoableEdit