dev.roanh.picross

Class Board.StateChange

java.lang.Object

dev.roanh.picross.Board.StateChange

Enclosing class:

Board

private final class Board.StateChange
extends java.lang.Object

Event describing a state change of a single tile.

Field Summary

Fields

Modifier and Type	Field and Description
private Tile	next The new state of the tile.
private Tile	old The previous state of the tile.
private boolean	test True if test mode was enabled during this change.
private int	x The x-coordinate that changed.
private int	y The y-coordinate that changed.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	StateChange(int x, int y, Tile old, Tile next, boolean test) Constructs a new change event with the given location and old and new state.

Method Summary

Modifier and Type	Method and Description
private void	apply() Applies the change described by this event.
private void	undo() Reverts the change described by this event.

Methods inherited from class java.lang.Object

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

Field Detail

x

private final int x

The x-coordinate that changed.

y

private final int y

The y-coordinate that changed.

old

private Tile old

The previous state of the tile.

next

private Tile next

The new state of the tile.

test

private boolean test

True if test mode was enabled during this change.

Constructor Detail

StateChange

private StateChange(int x,
                    int y,
                    Tile old,
                    Tile next,
                    boolean test)

Constructs a new change event with the given location and old and new state.

Parameters:

x - The x-coordinate.

y - The y-coordinate.

old - The old tile state.

next - The new tile state.

test - Whether test mode was enabled.

Method Detail

undo

private void undo()

Reverts the change described by this event.

apply

private void apply()

Applies the change described by this event.