net.thevpc.jeep.editor

Class CompoundUndoManager

java.lang.Object

javax.swing.undo.AbstractUndoableEdit

javax.swing.undo.CompoundEdit

javax.swing.undo.UndoManager

net.thevpc.jeep.editor.CompoundUndoManager

All Implemented Interfaces:

Serializable, EventListener, UndoableEditListener, UndoableEdit

public class CompoundUndoManager
extends UndoManager

A simple UndoManager that groups the Edits in each 0.5 second. If the time difference between the current undo and the last one is less than 0.5 secs, then the two edits are compound.

Author:

Ayman Al-Sairafi

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static int	IDLE_DELAY_MS Delay between consecutive edits in ms where edits are added together.

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()

Method Summary

Modifier and Type	Method and Description
boolean	addEdit(UndoableEdit anEdit)
boolean	canRedo()
boolean	canUndo()
void	discardAllEdits()
void	redo()
void	undo()

Methods inherited from class javax.swing.undo.UndoManager

canUndoOrRedo, editToBeRedone, editToBeUndone, end, getLimit, getRedoPresentationName, getUndoOrRedoPresentationName, getUndoPresentationName, redoTo, setLimit, toString, trimEdits, trimForLimit, undoableEditHappened, undoOrRedo, undoTo

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

Field Detail

IDLE_DELAY_MS

public static final int IDLE_DELAY_MS

Delay between consecutive edits in ms where edits are added together. If the delay is greater than this, then separate undo operations are done, otherwise they are combined.

See Also:

Constant Field Values

Constructor Detail

CompoundUndoManager

public CompoundUndoManager()

Method Detail

addEdit

public boolean addEdit(UndoableEdit anEdit)

Specified by:

addEdit in interface UndoableEdit

Overrides:

addEdit in class UndoManager

canRedo

public boolean canRedo()

Specified by:

canRedo in interface UndoableEdit

Overrides:

canRedo in class UndoManager

canUndo

public boolean canUndo()

Specified by:

canUndo in interface UndoableEdit

Overrides:

canUndo in class UndoManager

discardAllEdits

public void discardAllEdits()

Overrides:

discardAllEdits in class UndoManager

redo

public void redo()
          throws CannotRedoException

Specified by:

redo in interface UndoableEdit

Overrides:

redo in class UndoManager

Throws:

CannotRedoException

undo

public void undo()
          throws CannotUndoException

Specified by:

undo in interface UndoableEdit

Overrides:

undo in class UndoManager

Throws:

CannotUndoException