Package org.openstreetmap.josm.plugins.streetside.history

Class StreetsideRecord

java.lang.Object

org.openstreetmap.josm.plugins.streetside.history.StreetsideRecord

public class StreetsideRecord
extends java.lang.Object

History record system in order to let the user undo and redo commands.

Field Summary

Fields

Modifier and Type	Field	Description
java.util.List<StreetsideCommand>	commandList	The set of commands that have taken place or that have been undone.
private static StreetsideRecord	instance	The unique instance of the class.
private java.util.List<StreetsideRecordListener>	listeners
int	position	Last written command.

Constructor Summary

Constructors

Constructor	Description
StreetsideRecord()	Main constructor.

Method Summary

Modifier and Type	Method	Description
void	addCommand(StreetsideCommand command)	Adds a new command to the list.
void	addListener(StreetsideRecordListener lis)	Adds a listener.
private void	fireRecordChanged()
static StreetsideRecord	getInstance()	Returns the unique instance of the class.
void	redo()	Redoes latest undone action.
void	removeListener(StreetsideRecordListener lis)	Removes the given listener.
void	reset()	Resets the object to its start state.
void	undo()	Undo latest command.

Methods inherited from class java.lang.Object

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

Field Detail

instance

private static StreetsideRecord instance

The unique instance of the class.

listeners

private final java.util.List<StreetsideRecordListener> listeners

commandList

public java.util.List<StreetsideCommand> commandList

The set of commands that have taken place or that have been undone.

position

public int position

Last written command.

Constructor Detail

StreetsideRecord

public StreetsideRecord()

Main constructor.

Method Detail

getInstance

public static StreetsideRecord getInstance()

Returns the unique instance of the class.

Returns:

The unique instance of the class.

addListener

public void addListener(StreetsideRecordListener lis)

Adds a listener.

Parameters:

lis - The listener to be added.

removeListener

public void removeListener(StreetsideRecordListener lis)

Removes the given listener.

Parameters:

lis - The listener to be removed.

addCommand

public void addCommand(StreetsideCommand command)

Adds a new command to the list.

Parameters:

command - The command to be added.

undo

public void undo()

Undo latest command.

redo

public void redo()

Redoes latest undone action.

fireRecordChanged

private void fireRecordChanged()

reset

public void reset()

Resets the object to its start state.