Package org.exbin.bined.operation.swing

Class CodeAreaUndoHandler

java.lang.Object

org.exbin.bined.operation.swing.CodeAreaUndoHandler

All Implemented Interfaces:

org.exbin.bined.operation.undo.BinaryDataUndoHandler

@ParametersAreNonnullByDefault
public class CodeAreaUndoHandler
extends java.lang.Object
implements org.exbin.bined.operation.undo.BinaryDataUndoHandler

Undo handler for binary editor.

Constructor Summary

Constructors

Constructor	Description
CodeAreaUndoHandler(org.exbin.bined.swing.CodeAreaCore codeArea)	Creates a new instance.

Method Summary

Modifier and Type	Method	Description
void	addCommand(org.exbin.bined.operation.BinaryDataCommand command)
void	addUndoUpdateListener(org.exbin.bined.operation.undo.BinaryDataUndoUpdateListener listener)
boolean	canRedo()
boolean	canUndo()
void	clear()
void	doSync()	Performs revert to sync point.
void	execute(org.exbin.bined.operation.BinaryDataCommand command)	Adds new step into revert list.
java.util.List<org.exbin.bined.operation.BinaryDataCommand>	getCommandList()
long	getCommandPosition()
long	getMaximumUndo()
long	getSyncPoint()
long	getUndoMaximumSize()
long	getUsedSize()
void	performRedo()	Performs single redo step.
void	performRedo(int count)	Performs multiple redo step.
void	performUndo()	Performs single undo step.
void	performUndo(int count)	Performs multiple undo step.
void	removeUndoUpdateListener(org.exbin.bined.operation.undo.BinaryDataUndoUpdateListener listener)
void	setCommandPosition(long targetPosition)	Performs undo or redo operation to reach given position.
void	setSyncPoint()
void	setSyncPoint(long syncPoint)
void	setUndoMaxCount(long maxUndo)
void	setUndoMaximumSize(long maxSize)

Methods inherited from class java.lang.Object

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

Constructor Detail

CodeAreaUndoHandler

public CodeAreaUndoHandler(org.exbin.bined.swing.CodeAreaCore codeArea)

Creates a new instance.

Parameters:

codeArea - code area component

Method Detail

execute

public void execute(org.exbin.bined.operation.BinaryDataCommand command)
             throws org.exbin.bined.operation.BinaryDataOperationException

Adds new step into revert list.

Specified by:

execute in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

Parameters:

command - command

Throws:

org.exbin.bined.operation.BinaryDataOperationException - if commands throws it

addCommand

public void addCommand(org.exbin.bined.operation.BinaryDataCommand command)

Specified by:

addCommand in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

performUndo

public void performUndo()
                 throws org.exbin.bined.operation.BinaryDataOperationException

Performs single undo step.

Specified by:

performUndo in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

Throws:

org.exbin.bined.operation.BinaryDataOperationException - if commands throws it

performRedo

public void performRedo()
                 throws org.exbin.bined.operation.BinaryDataOperationException

Performs single redo step.

Specified by:

performRedo in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

Throws:

org.exbin.bined.operation.BinaryDataOperationException - if commands throws it

performUndo

public void performUndo(int count)
                 throws org.exbin.bined.operation.BinaryDataOperationException

Performs multiple undo step.

Specified by:

performUndo in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

Parameters:

count - count of steps

Throws:

org.exbin.bined.operation.BinaryDataOperationException - if commands throws it

performRedo

public void performRedo(int count)
                 throws org.exbin.bined.operation.BinaryDataOperationException

Performs multiple redo step.

Specified by:

performRedo in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

Parameters:

count - count of steps

Throws:

org.exbin.bined.operation.BinaryDataOperationException - if commands throws it

clear

public void clear()

Specified by:

clear in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

canUndo

public boolean canUndo()

Specified by:

canUndo in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

canRedo

public boolean canRedo()

Specified by:

canRedo in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

getMaximumUndo

public long getMaximumUndo()

Specified by:

getMaximumUndo in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

getCommandPosition

public long getCommandPosition()

Specified by:

getCommandPosition in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

doSync

public void doSync()
            throws org.exbin.bined.operation.BinaryDataOperationException

Performs revert to sync point.

Specified by:

doSync in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

Throws:

org.exbin.bined.operation.BinaryDataOperationException - for operation handling issues

setUndoMaxCount

public void setUndoMaxCount(long maxUndo)

getUndoMaximumSize

public long getUndoMaximumSize()

Specified by:

getUndoMaximumSize in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

setUndoMaximumSize

public void setUndoMaximumSize(long maxSize)

getUsedSize

public long getUsedSize()

Specified by:

getUsedSize in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

getSyncPoint

public long getSyncPoint()

Specified by:

getSyncPoint in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

setSyncPoint

public void setSyncPoint(long syncPoint)

Specified by:

setSyncPoint in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

setSyncPoint

public void setSyncPoint()

Specified by:

setSyncPoint in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

getCommandList

@Nonnull
public java.util.List<org.exbin.bined.operation.BinaryDataCommand> getCommandList()

Specified by:

getCommandList in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

setCommandPosition

public void setCommandPosition(long targetPosition)
                        throws org.exbin.bined.operation.BinaryDataOperationException

Performs undo or redo operation to reach given position.

Specified by:

setCommandPosition in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

Parameters:

targetPosition - desired position

Throws:

org.exbin.bined.operation.BinaryDataOperationException - for operation handling issues

addUndoUpdateListener

public void addUndoUpdateListener(org.exbin.bined.operation.undo.BinaryDataUndoUpdateListener listener)

Specified by:

addUndoUpdateListener in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler

removeUndoUpdateListener

public void removeUndoUpdateListener(org.exbin.bined.operation.undo.BinaryDataUndoUpdateListener listener)

Specified by:

removeUndoUpdateListener in interface org.exbin.bined.operation.undo.BinaryDataUndoHandler