org.devaki.nextobjects.util
Class NORedoLog

java.lang.Object
  org.devaki.nextobjects.util.NORedoLog

public class NORedoLog

extends java.lang.Object

This class is in charge of most of the Undo/Redo stuff. The model was inspired from the gimp dual stack system. There is a redo stack and an undo stack. Undoing activate the redo stack while doing something activate the undo stack.

Author:

: efloretnt@devaki.org

Nested Class Summary

(package private) class

NORedoLog.NORedoItem This class represent a singe item to be redoed. an action item which is made of :

Field Summary

static int	ACTION_CREATE Actions Create
static int	ACTION_DELETE Actions Delete
static int	ACTION_MOVE Actions Move
static int	ACTION_RESIZE Actions Resize
static int	LOG_REDOLOG Log Type Descriptor for redo stack
static int	LOG_UNDOLOG Log Type descriptorfor the undo stack
static int	REDOLOG_SIZE Log Size

Constructor Summary

NORedoLog()
Dummy constructor.

Method Summary

void	clear() Description of the Method
void	log(int pAction, BaseObject pTarget, int pX, int pY) Log all possible action coming from ModelMan.java
void	redo() An redo call switch the current stack and call each of the action executers for the last action of the redo stack
void	undo() An undo call switch the current stack and call each of the action executers for the last action of the undo stack

Methods inherited from class java.lang.Object

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

Field Detail

ACTION_DELETE

public static final int ACTION_DELETE

Actions Delete

See Also:

Constant Field Values

ACTION_MOVE

public static final int ACTION_MOVE

Actions Move

See Also:

Constant Field Values

ACTION_RESIZE

public static final int ACTION_RESIZE

Actions Resize

See Also:

Constant Field Values

ACTION_CREATE

public static final int ACTION_CREATE

Actions Create

See Also:

Constant Field Values

LOG_UNDOLOG

public static final int LOG_UNDOLOG

Log Type descriptorfor the undo stack

See Also:

Constant Field Values

LOG_REDOLOG

public static final int LOG_REDOLOG

Log Type Descriptor for redo stack

See Also:

Constant Field Values

REDOLOG_SIZE

public static final int REDOLOG_SIZE

Log Size

See Also:

Constant Field Values

Constructor Detail

NORedoLog

public NORedoLog()

Dummy constructor. Should never be used.

Method Detail

clear

public void clear()

Description of the Method

log

public void log(int pAction,
                BaseObject pTarget,
                int pX,
                int pY)

Log all possible action coming from ModelMan.java

Parameters:

pAction - flag describing the action

pTarget - the object

pX - optional X coordinate parameter

pY - optional Y coordinate parameter

undo

public void undo()

An undo call switch the current stack and call each of the action executers for the last action of the undo stack

redo

public void redo()

An redo call switch the current stack and call each of the action executers for the last action of the redo stack