com.viaoa.undo

Class OAUndoManager

java.lang.Object

javax.swing.undo.AbstractUndoableEdit

javax.swing.undo.CompoundEdit

javax.swing.undo.UndoManager

com.viaoa.undo.OAUndoManager

All Implemented Interfaces:

Serializable, EventListener, UndoableEditListener, UndoableEdit

public class OAUndoManager
extends UndoManager

Undo Support for OA.gui components.

See Also:

see UndoableController, Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected static boolean	bIgnoreAll
protected static boolean	bVerbose
protected static Hashtable	hash
protected static OAUndoManager	undoManager

Fields inherited from class javax.swing.undo.CompoundEdit

edits

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	OAUndoManager()

Method Summary

Modifier and Type	Method and Description
static void	add(UndoableEdit anEdit)
static void	add(UndoableEdit[] anEdits)
boolean	addEdit(UndoableEdit anEdit)
static void	cancelCompoundEdit()
static OAUndoManager	createUndoManager()
static void	endCompoundEdit()
static void	endCompoundEditForPropertyChanges()
static boolean	getIgnore()
static OAUndoManager	getUndoManager()
static boolean	getVerbose()
static void	ignore()
static void	ignore(boolean b) same as calling setIgnore(true)
static boolean	isInCompoundEdit()
static void	setIgnore(boolean b) Increment/Deincrement ignore counter for current thread
static void	setIgnore(boolean b, boolean bResetToZero)
static void	setIgnoreAll(boolean b) Ignore all events
static void	setVerbose(boolean b)
static void	startCompoundEdit() Used to group more then one undoable edit into one undoable edit.
static void	startCompoundEdit(String presentationName)
static void	startCompoundEdit(String presentationName, boolean bCanRedoThis)
static void	startCompoundEditForPropertyChanges(String presentationName) All OAObject property changes will be captured into an Undoable.
void	undo()

Methods inherited from class javax.swing.undo.UndoManager

canRedo, canUndo, canUndoOrRedo, discardAllEdits, editToBeRedone, editToBeUndone, end, getLimit, getRedoPresentationName, getUndoOrRedoPresentationName, getUndoPresentationName, redo, 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

hash

protected static Hashtable hash

undoManager

protected static OAUndoManager undoManager

bVerbose

protected static boolean bVerbose

bIgnoreAll

protected static boolean bIgnoreAll

Constructor Detail

OAUndoManager

protected OAUndoManager()

See Also:

createUndoManager()

Method Detail

createUndoManager

public static OAUndoManager createUndoManager()

getUndoManager

public static OAUndoManager getUndoManager()

setVerbose

public static void setVerbose(boolean b)

getVerbose

public static boolean getVerbose()

startCompoundEdit

public static void startCompoundEdit()

Used to group more then one undoable edit into one undoable edit.

startCompoundEdit

public static void startCompoundEdit(String presentationName)

startCompoundEditForPropertyChanges

public static void startCompoundEditForPropertyChanges(String presentationName)

All OAObject property changes will be captured into an Undoable. This creates a compoundEdit, calls oaThreadLocalDelegate.setCreateUndoablePropertyChanges, which is used by OAObject.firePropertyChange to add undoableEdits using UndoableEdit.createUndoablePropertyChange

endCompoundEditForPropertyChanges

public static void endCompoundEditForPropertyChanges()

startCompoundEdit

public static void startCompoundEdit(String presentationName,
                                     boolean bCanRedoThis)

endCompoundEdit

public static void endCompoundEdit()

isInCompoundEdit

public static boolean isInCompoundEdit()

cancelCompoundEdit

public static void cancelCompoundEdit()

add

public static void add(UndoableEdit anEdit)

add

public static void add(UndoableEdit[] anEdits)

addEdit

public boolean addEdit(UndoableEdit anEdit)

Specified by:

addEdit in interface UndoableEdit

Overrides:

addEdit in class UndoManager

setIgnore

public static void setIgnore(boolean b)

Increment/Deincrement ignore counter for current thread

setIgnore

public static void setIgnore(boolean b,
                             boolean bResetToZero)

Parameters:

bResetToZero - reset counter to zero before performing setting ignore counter

ignore

public static void ignore()

ignore

public static void ignore(boolean b)

same as calling setIgnore(true)

getIgnore

public static boolean getIgnore()

Returns:

true if counter for current thread > 0, or if OAUndoManager is null or thread is OAClient.isClientThread()

setIgnoreAll

public static void setIgnoreAll(boolean b)

Ignore all events

undo

public void undo()
          throws CannotUndoException

Specified by:

undo in interface UndoableEdit

Overrides:

undo in class UndoManager

Throws:

CannotUndoException