de.sciss.syntaxpane

Class CompoundUndoManager

java.lang.Object

javax.swing.undo.AbstractUndoableEdit

javax.swing.undo.CompoundEdit

javax.swing.undo.UndoManager

de.sciss.syntaxpane.CompoundUndoManager

All Implemented Interfaces:

java.io.Serializable, java.util.EventListener, javax.swing.event.UndoableEditListener, javax.swing.undo.UndoableEdit

public class CompoundUndoManager
extends javax.swing.undo.UndoManager

A revised UndoManager that groups undos based on positions. If the change is relatively next to the previous change, like when continuous typing, then the undoes are grouped together. This is customized from the http://www.camick.com/java/source/CompoundUndoManager.java from the blog: http://tips4java.wordpress.com/2008/10/27/compound-undo-manager/

See Also:

Serialized Form

Field Summary

Fields inherited from class javax.swing.undo.CompoundEdit

edits

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

Constructors

Constructor and Description
CompoundUndoManager(SyntaxDocument doc)

Method Summary

Modifier and Type	Method and Description
void	discardAllEdits()
void	redo()
protected void	redoTo(javax.swing.undo.UndoableEdit edit)
void	startCombine() Start to combine the next operations together.
void	undo()
void	undoableEditHappened(javax.swing.event.UndoableEditEvent e) Whenever an UndoableEdit happens the edit will either be absorbed by the current compound edit or a new compound edit will be started
protected void	undoTo(javax.swing.undo.UndoableEdit edit)

Methods inherited from class javax.swing.undo.UndoManager

addEdit, canRedo, canUndo, canUndoOrRedo, editToBeRedone, editToBeUndone, end, getLimit, getRedoPresentationName, getUndoOrRedoPresentationName, getUndoPresentationName, setLimit, toString, trimEdits, trimForLimit, undoOrRedo

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

Constructor Detail

CompoundUndoManager

public CompoundUndoManager(SyntaxDocument doc)

Method Detail

undoableEditHappened

public void undoableEditHappened(javax.swing.event.UndoableEditEvent e)

Whenever an UndoableEdit happens the edit will either be absorbed by the current compound edit or a new compound edit will be started

Specified by:

undoableEditHappened in interface javax.swing.event.UndoableEditListener

Overrides:

undoableEditHappened in class javax.swing.undo.UndoManager

undoTo

protected void undoTo(javax.swing.undo.UndoableEdit edit)
               throws javax.swing.undo.CannotUndoException

Overrides:

undoTo in class javax.swing.undo.UndoManager

Throws:

javax.swing.undo.CannotUndoException

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.UndoManager

Throws:

javax.swing.undo.CannotUndoException

redoTo

protected void redoTo(javax.swing.undo.UndoableEdit edit)
               throws javax.swing.undo.CannotRedoException

Overrides:

redoTo in class javax.swing.undo.UndoManager

Throws:

javax.swing.undo.CannotRedoException

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.UndoManager

Throws:

javax.swing.undo.CannotRedoException

discardAllEdits

public void discardAllEdits()

Overrides:

discardAllEdits in class javax.swing.undo.UndoManager

startCombine

public void startCombine()

Start to combine the next operations together. Only the next operation is combined. The flag is then automatically reset.