brlandry
Class ColumnToColumnMove

java.lang.Object
  |
  +--Move
        |
        +--brlandry.ColumnToColumnMove

public class ColumnToColumnMove

extends Move

This class represents moves between Columns. It supports moves initiated by mousedrags or by the computer to solve the game.

Author:

Brian Landry (brlandry@wpi.edu)

See Also:

Serialized Form

Field Summary

protected Column	from
protected Card	movingCard
protected Column	to

Constructor Summary

ColumnToColumnMove(Column from, Card movingCard, Column to)

Method Summary

boolean	doMove(Solitaire theGame) Moves can execute themselves
protected boolean	kingOverAce(int rank) Helper function to determine if a King is being placed on an Ace.
protected boolean	oneLess(int rank) Helper function to be used when movingCard is null
boolean	undo(Solitaire theGame) Undo
boolean	valid(Solitaire theGame) Moves can determine their validity.

Methods inherited from class java.lang.Object

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

Field Detail

from

protected Column from

to

protected Column to

movingCard

protected Card movingCard

Constructor Detail

ColumnToColumnMove

public ColumnToColumnMove(Column from,
                          Card movingCard,
                          Column to)

Method Detail

valid

public boolean valid(Solitaire theGame)

Moves can determine their validity. Helper functions have been used to improve the readability of the code.

Returns:

whether the move is legal

oneLess

protected boolean oneLess(int rank)

Helper function to be used when movingCard is null

kingOverAce

protected boolean kingOverAce(int rank)

Helper function to determine if a King is being placed on an Ace. Called when movingCard is null.

doMove

public boolean doMove(Solitaire theGame)

Moves can execute themselves

Returns:

boolean whether or not the move was completed

undo

public boolean undo(Solitaire theGame)

Undo