ding.view
Class ViewChangeEdit

java.lang.Object
  javax.swing.undo.AbstractUndoableEdit
      ding.view.ViewChangeEdit

All Implemented Interfaces:

Serializable, UndoableEdit

public class ViewChangeEdit
extends AbstractUndoableEdit

A Ding specific undoable edit.

See Also:

Serialized Form

Nested Class Summary

static class

ViewChangeEdit.SavedObjs

Field Summary

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

ViewChangeEdit(DGraphView view, String label)

ViewChangeEdit(DGraphView view, ViewChangeEdit.SavedObjs saveObjs, String label)

Method Summary

String	getPresentationName()
String	getRedoPresentationName()
String	getUndoPresentationName()
void	post()
void	redo() Applies the new state to the view after it has been undone.
protected void	saveNewPositions()
protected void	saveOldPositions()
void	undo() Applies the original state to the view.

Methods inherited from class javax.swing.undo.AbstractUndoableEdit

addEdit, canRedo, canUndo, die, isSignificant, replaceEdit, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ViewChangeEdit

public ViewChangeEdit(DGraphView view,
                      String label)

ViewChangeEdit

public ViewChangeEdit(DGraphView view,
                      ViewChangeEdit.SavedObjs saveObjs,
                      String label)

Method Detail

saveOldPositions

protected void saveOldPositions()

saveNewPositions

protected void saveNewPositions()

post

public void post()

getPresentationName

public String getPresentationName()

Specified by:

getPresentationName in interface UndoableEdit

Overrides:

getPresentationName in class AbstractUndoableEdit

Returns:

Not sure where this is used.

getRedoPresentationName

public String getRedoPresentationName()

Specified by:

getRedoPresentationName in interface UndoableEdit

Overrides:

getRedoPresentationName in class AbstractUndoableEdit

Returns:

Used in the edit menu.

getUndoPresentationName

public String getUndoPresentationName()

Specified by:

getUndoPresentationName in interface UndoableEdit

Overrides:

getUndoPresentationName in class AbstractUndoableEdit

Returns:

Used in the edit menu.

redo

public void redo()

Applies the new state to the view after it has been undone.

Specified by:

redo in interface UndoableEdit

Overrides:

redo in class AbstractUndoableEdit

undo

public void undo()

Applies the original state to the view.

Specified by:

undo in interface UndoableEdit

Overrides:

undo in class AbstractUndoableEdit