v06 solitaire moves PileMove.scs

// interface: Condition determines whether validation is true.

PileMove : {
		λname.  {letbox NameParameter     = {name} in {
		λcond.  {letbox Condition         = {cond} in {

		box ["=======" NameParameter "\MovePileCardPile.java=======
package " NameParameter ";
import ks.common.model.*;
import ks.common.games.Solitaire;

/**
 * Move card between piles
 */
public class MovePileCardPile extends ks.common.model.Move {

	protected Pile source;
	protected Card card;
	protected Pile target;

	public MovePileCardPile(Pile from, Card object, Pile to) {
		super();

		this.source = from;
		this.card = object;
		this.target = to;
	}

	/**
	 * To undo this move, we move the cards from top of the piles back to the deck
	 */
	public boolean undo(ks.common.games.Solitaire game) {

		// move back
		source.add(target.get());
		return true;
	}

	/**
	 * Execute the move
	 * @see ks.common.model.Move#doMove(ks.games.Solitaire)
	 */
	public boolean doMove(Solitaire game) {
		if (!valid (game)) {
			return false;
		}

		// EXECUTE: When card is null, this move is a projection of a move. When not-null, the player
		// has already grabbed a card
		if (card == null) {
			target.add(source.get());
		} else {
			target.add(card);
		}
		return true;
	}

	/**
	 * Determines whether pile1 is to the left of pile2
	 */
	protected boolean toLeftOf(Pile pile1, Pile pile2) {
		String pile1Name = pile1.getName();
		String pile2Name = pile2.getName();

		int rc = pile1Name.compareTo (pile2Name);

		// We must be to the left
		if (rc < 0) return true;

		// all other cases return false.
		return false;
	}

	/**
	 * Validate the move.
	 * @see ks.common.model.Move#valid(ks.games.Solitaire)
	 */
	public boolean valid(Solitaire game) {
		boolean validation = false;

		"
		Condition
		"

		return validation;
	}
}
		"]
	  }}
	  }}
	}