swingwtx.swing.undo
Class AbstractUndoableEdit

java.lang.Object
  swingwtx.swing.undo.AbstractUndoableEdit

All Implemented Interfaces:

UndoableEdit

Direct Known Subclasses:

AbstractDocument.ElementEdit, CompoundEdit, StateEdit

public class AbstractUndoableEdit

extends java.lang.Object

implements UndoableEdit

AbstractUndoableEdit

Field Summary

protected static java.lang.String	RedoName
protected static java.lang.String	UndoName

Constructor Summary

AbstractUndoableEdit()

Method Summary

boolean	addEdit(UndoableEdit anEdit) Default implementations do nothing.
boolean	canRedo()
boolean	canUndo()
void	die() Kill off the edit...
java.lang.String	getPresentationName()
java.lang.String	getRedoPresentationName()
java.lang.String	getUndoPresentationName()
boolean	isSignificant()
void	redo()
boolean	replaceEdit(UndoableEdit anEdit)
void	undo()

Methods inherited from class java.lang.Object

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

Field Detail

UndoName

protected static final java.lang.String UndoName

See Also:

Constant Field Values

RedoName

protected static final java.lang.String RedoName

See Also:

Constant Field Values

Constructor Detail

AbstractUndoableEdit

public AbstractUndoableEdit()

Method Detail

undo

public void undo()
          throws CannotUndoException

Specified by:

undo in interface UndoableEdit

Throws:

CannotUndoException

redo

public void redo()
          throws CannotRedoException

Specified by:

redo in interface UndoableEdit

Throws:

CannotRedoException

die

public void die()

Kill off the edit... can no longer undo

Specified by:

die in interface UndoableEdit

canUndo

public boolean canUndo()

Specified by:

canUndo in interface UndoableEdit

canRedo

public boolean canRedo()

Specified by:

canRedo in interface UndoableEdit

getUndoPresentationName

public java.lang.String getUndoPresentationName()

Specified by:

getUndoPresentationName in interface UndoableEdit

getRedoPresentationName

public java.lang.String getRedoPresentationName()

Specified by:

getRedoPresentationName in interface UndoableEdit

addEdit

public boolean addEdit(UndoableEdit anEdit)

Default implementations do nothing. Override in implementing classes

Specified by:

addEdit in interface UndoableEdit

replaceEdit

public boolean replaceEdit(UndoableEdit anEdit)

Specified by:

replaceEdit in interface UndoableEdit

isSignificant

public boolean isSignificant()

Specified by:

isSignificant in interface UndoableEdit

getPresentationName

public java.lang.String getPresentationName()

Specified by:

getPresentationName in interface UndoableEdit