程序包 com.example.graphics.command

类 MoveShapeCommand

java.lang.Object

com.example.graphics.command.MoveShapeCommand

所有已实现的接口:

Command

public class MoveShapeCommand
extends Object
implements Command

Command for moving a shape to a new position. This is an implementation of the Command pattern.

字段概要

字段

修饰符和类型	字段	说明
private final int	newX
private final int	newY
private final int	oldX
private final int	oldY
private final Shape	shape

构造器概要

构造器

构造器	说明
MoveShapeCommand(Shape shape, int newX, int newY)	Constructor for the MoveShapeCommand

方法概要

修饰符和类型	方法	说明
void	execute()	Execute the command
void	undo()	Undo the command

从类继承的方法 java.lang.Object

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

字段详细资料

shape

private final Shape shape

newX

private final int newX

newY

private final int newY

oldX

private final int oldX

oldY

private final int oldY

构造器详细资料

MoveShapeCommand

public MoveShapeCommand(Shape shape,
 int newX,
 int newY)

Constructor for the MoveShapeCommand

参数:

shape - the shape to move

newX - the new x coordinate

newY - the new y coordinate

方法详细资料

execute

public void execute()

从接口复制的说明: Command

Execute the command

指定者:

execute 在接口中 Command

undo

public void undo()

从接口复制的说明: Command

Undo the command

指定者:

undo 在接口中 Command