Package com.im.df.impl.db.undo

Class UndoManagerImpl<T extends AbstractUndoableEdit>

java.lang.Object

com.im.df.impl.db.undo.UndoManagerImpl<T>

Type Parameters:

T - undoable edit type

All Implemented Interfaces:

com.im.df.api.support.DFUndoManager<T>

public class UndoManagerImpl<T extends AbstractUndoableEdit>
extends Object
implements com.im.df.api.support.DFUndoManager<T>

TODO P2 - make this class synchronized!!!

Author:

Petr Hamernik

Constructor Summary

Constructors

Constructor	Description
UndoManagerImpl()

Method Summary

Modifier and Type	Method	Description
void	addChangeListener(ChangeListener listener)
void	addUndoableEdit(T edit)
boolean	canRedo()
boolean	canUndo()
void	discardAllEdits()
String	getRedoPresentationName()
protected Stack<T>	getRedoStack()
String	getUndoPresentationName()
protected Stack<T>	getUndoStack()
void	redo(com.im.commons.progress.DFEnvironmentRO env)
void	removeChangeListener(ChangeListener listener)
void	startComplexUndo(String presentationName, com.im.commons.progress.DFLockable lockable, com.im.commons.progress.DFLock lock)
void	stopComplexUndo(com.im.commons.progress.DFLockable lockable)
void	undo(com.im.commons.progress.DFEnvironmentRO env)

Methods inherited from class java.lang.Object

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

Constructor Detail

UndoManagerImpl

public UndoManagerImpl()

Method Detail

addUndoableEdit

public void addUndoableEdit(T edit)

Specified by:

addUndoableEdit in interface com.im.df.api.support.DFUndoManager<T extends AbstractUndoableEdit>

startComplexUndo

public void startComplexUndo(String presentationName,
                             com.im.commons.progress.DFLockable lockable,
                             com.im.commons.progress.DFLock lock)

Specified by:

startComplexUndo in interface com.im.df.api.support.DFUndoManager<T extends AbstractUndoableEdit>

stopComplexUndo

public void stopComplexUndo(com.im.commons.progress.DFLockable lockable)

Specified by:

stopComplexUndo in interface com.im.df.api.support.DFUndoManager<T extends AbstractUndoableEdit>

canUndo

public boolean canUndo()

Specified by:

canUndo in interface com.im.df.api.support.DFUndoManager<T extends AbstractUndoableEdit>

canRedo

public boolean canRedo()

Specified by:

canRedo in interface com.im.df.api.support.DFUndoManager<T extends AbstractUndoableEdit>

undo

public void undo(com.im.commons.progress.DFEnvironmentRO env)
          throws com.im.df.api.support.DFUndoRedoException

Specified by:

undo in interface com.im.df.api.support.DFUndoManager<T extends AbstractUndoableEdit>

Throws:

com.im.df.api.support.DFUndoRedoException

redo

public void redo(com.im.commons.progress.DFEnvironmentRO env)
          throws com.im.df.api.support.DFUndoRedoException

Specified by:

redo in interface com.im.df.api.support.DFUndoManager<T extends AbstractUndoableEdit>

Throws:

com.im.df.api.support.DFUndoRedoException

discardAllEdits

public void discardAllEdits()

Specified by:

discardAllEdits in interface com.im.df.api.support.DFUndoManager<T extends AbstractUndoableEdit>

getRedoPresentationName

public String getRedoPresentationName()

Specified by:

getRedoPresentationName in interface com.im.df.api.support.DFUndoManager<T extends AbstractUndoableEdit>

getUndoPresentationName

public String getUndoPresentationName()

Specified by:

getUndoPresentationName in interface com.im.df.api.support.DFUndoManager<T extends AbstractUndoableEdit>

addChangeListener

public void addChangeListener(ChangeListener listener)

Specified by:

addChangeListener in interface com.im.df.api.support.DFUndoManager<T extends AbstractUndoableEdit>

removeChangeListener

public void removeChangeListener(ChangeListener listener)

Specified by:

removeChangeListener in interface com.im.df.api.support.DFUndoManager<T extends AbstractUndoableEdit>

getUndoStack

protected Stack<T> getUndoStack()

getRedoStack

protected Stack<T> getRedoStack()