Android Open Source - FourRowSolitaire Ace Pile Layered Pane

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The source code is released under:
GNU General Public License
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Java Source Code

/*
 This file is a part of Four Row Solitaire
//from ww  w .j a v  a  2 s. c  o m
 Copyright (C) 2010-2014 by Matt Stephen, Todor Balabanov, Konstantin Tsanov, Ventsislav Medarov, Vanya Gyaurova, Plamena Popova, Hristiana Kalcheva, Yana Genova

 Four Row Solitaire is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 Four Row Solitaire is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with FourRowSolitaire.  If not, see <http://www.gnu.org/licenses/>.
 */

package eu.veldsoft.four.row.solitaire;

import java.awt.Graphics;
import java.awt.Image;
import java.awt.Point;
import java.util.Vector;

import javax.swing.JLayeredPane;

/**
 * 
 * @author Todor Balabanov
 */
class AcePileLayeredPane extends JLayeredPane implements CardStackLayeredPane {

  /**
   * 
   */
  private static final long serialVersionUID = 1L;

  /**
   * 
   */
  AcePile acePile = null;

  /**
   * 
   * @return
   * 
   * @author Todor Balabanov
   */
  public AcePile getAcePile() {
    return acePile;
  }

  /**
   * Returns the available cards from a deck. This method is overriden by the
   * child classes.
   * 
   * @return Null.
   * 
   * @author Todor Balabanov
   */
  public CardStack getAvailableCards() {
    return (null);
  }

  /**
   * Returns the card located at the coordinates of a mouse click.
   * 
   * @param p
   *            Location of a mouse click.
   * 
   * @return The card at this location.
   * 
   * @author Todor Balabanov
   */
  public Card getCardAtLocation(Point p) {
    return (peek());
  }

  /**
   * Returns the card located at a specified location within the stack.
   * 
   * @param index
   *            Location within the stack.
   * 
   * @return The card at this location. Or null if the index is greater than
   *         the stack's size.
   * 
   * @author Todor Balabanov
   */
  public Card getCardAtLocation(int index) {
    Card result = acePile.getCardAtLocation(index);

    if (result != null) {
      return (result);
    }

    return null;
  }

  /**
   * Checks if clicked area is defined on a card in the stack.
   * 
   * @param p
   *            Location of the click.
   * @return True or false.
   * 
   * @author Todor Balabanov
   */
  public boolean isValidClick(Point p) {
    int y = (int) p.getY();

    if (!isEmpty()) {
      if (y > 25
          * (acePile.getCards().size() - 1)
          + CardComponent.cardsMapping
              .get(acePile.getCards().lastElement()).getBounds()
              .getHeight()) {
        return false;
      }
    }

    return true;
  }

  /**
   * 
   * @return
   * 
   * @author Todor Balabanov
   */
  public boolean isEmpty() {
    return (acePile.isEmpty());
  }

  /**
   * 
   * @return
   * 
   * @author Todor Balabanov
   */
  public int length() {
    return (acePile.length());
  }

  /**
   * For starting the game.
   * 
   * Used to add a card to a stack.
   * 
   * @param card
   *            Card to be added.
   * 
   * @author Todor Balabanov
   */
  public void addCard(Card card) {
    acePile.addCard(card);
    CardComponent.cardsMapping.get(card).setBounds(0, 0, 72, 96);
    add(CardComponent.cardsMapping.get(card), 0);
  }

  /**
   * Used to add a bunch of cards to a stack.
   * 
   * @param stack
   *            Stack to be added.
   * 
   * @author Todor Balabanov
   */
  public void addStack(CardStack stack) {
    while (stack.isEmpty() == false) {
      addCard(stack.pop());
    }
  }

  /**
   * Used to add a bunch of cards to a stack.
   * 
   * @param stack
   *            Stack to be added.
   * 
   * @author Todor Balabanov
   */
  public void addStack(Vector<Card> stack) {
    for (int i = stack.size() - 1; i >= 0; i--) {
      addCard(stack.elementAt(i));
    }
  }

  /**
   * Searches the stack for a specific card. Creates a new temporary stack.
   * Clones the cards from the end towards the beginning of the stack into the
   * temp stack. Stops after it reaches the specific card.
   * 
   * @param card
   *            Card to look for.
   * 
   * @return Stack of cards.
   * 
   * @author Todor Balabanov
   */
  public Vector<Card> getStack(Card card) {
    Vector<Card> temp = new Vector<Card>();
    int index = acePile.search(card);

    for (int i = 0; i < index; i++) {
      temp.add(getCardAtLocation(acePile.getCards().size() - i - 1));
      getCardAtLocation(acePile.getCards().size() - i - 1).highlight();
    }

    return temp;
  }

  /**
   * Searches the stack for a specified location, creates a temporary stack,
   * Clones the cards from the end towards the begining of the stack, stops
   * when it reaches the specified location.
   * 
   * @param numCards
   *            Index.
   * 
   * @return Stack of cards.
   * 
   * @author Todor Balabanov
   */
  public CardStack getStack(int numCards) {
    AcePile temp = new AcePile(acePile.getSuit());
    int index = length() - numCards;

    for (int i = length(); i > index; i--) {
      temp.push(getCardAtLocation(acePile.getCards().size() - i - 1));
      getCardAtLocation(acePile.getCards().size() - i - 1).highlight();
    }

    return temp;
  }

  /**
   * Pops the top card out of a stack if possible. If not - returns null.
   * 
   * @return Card or null.
   * 
   * @author Todor Balabanov
   */
  public synchronized Card peek() {
    return acePile.peek();
  }

  /**
   * Pops the top card out of a stack.
   * 
   * @return card The popped card.
   * 
   * @author Todor Balabanov
   */
  public synchronized Card pop() {
    Card card = acePile.pop();

    if (card != null) {
      remove(CardComponent.cardsMapping.get(card));
    }

    return card;
  }

  /**
   * Temporary reverses the cards in a stack.
   * 
   * @param stack
   *            Stack to be reversed.
   * 
   * @return The reversed stack.
   * 
   * @author Todor Balabanov
   */
  public CardStack pop(CardStack stack) {
    /*
     * Temporary reverse pop of entire stack transfer.
     */
    AcePile temp = new AcePile(acePile.getSuit());

    while (!stack.isEmpty()) {
      Card card = stack.pop();
      temp.push(card);
      remove(CardComponent.cardsMapping.get(card));
    }

    return temp;
  }

  /**
   * Used to add a card to a stack and then to return the moved card.
   * 
   * @param card
   *            Card to be added.
   * 
   * @return Added card.
   * 
   * @author Todor Balabanov
   */
  public Card push(Card card) {
    addCard(card);

    return card;
  }

  /**
   * Used to add a bunch of cards to a card stack and then to return empty
   * stack.
   * 
   * @param stack
   *            Stack to be added.
   * 
   * @return Empty stack.
   * 
   * @author Todor Balabanov
   */
  public CardStack push(CardStack stack) {
    addStack(stack);

    /*
     * Returns empty stack.
     */
    return stack;
  }

  /**
   * Used to add a bunch of cards to a card stack and then to return empty
   * stack.
   * 
   * @param stack
   *            Stack to be added.
   * 
   * @author Todor Balabanov
   */
  public void push(Vector<Card> stack) {
    addStack(stack);
  }

  /**
   * Returns the first card from a stack.
   * 
   * @return card The first card from the stack of cards.
   * 
   * @author Todor Balabanov
   */
  public Card getBottom() {
    return acePile.getBottom();
  }

  /**
   * Used to undo the last stack move. Reverses the cards.
   * 
   * @param numCards
   *            Number of cards in the stack.
   * 
   * @return Reversed stack.
   * 
   * @author Todor Balabanov
   */
  public CardStack undoStack(int numCards) {
    AcePile temp = new AcePile(acePile.getSuit());

    for (int i = 0; i < numCards; i++) {
      temp.push(pop());
    }

    acePile.undoStack(numCards);

    return temp;
  }

  /**
   * Checks if the move is valid. Always returns false. The method is
   * overridden by the child classes.
   * 
   * @param card
   *            Card to be checked.
   * 
   * @return False
   * 
   * @author Todor Balabanov
   */
  public boolean isValidMove(Card card) {
    return (acePile.isValidMove(card));
  }

  /**
   * Checks if the move is valid. Always returns false. This method is
   * overridden by the child classes.
   * 
   * @param stack
   *            Stack of cards to be ckecked.
   * 
   * @return False.
   * 
   * @author Todor Balabanov
   */
  public boolean isValidMove(CardStack stack) {
    return (acePile.isValidMove((CardStack) null));
  }

  /**
   * Checks if the move is valid. Always returns false. This method is
   * overridden by the child classes.
   * 
   * @param stack
   *            Stack of cards to be ckecked.
   * 
   * @return False.
   * 
   * @author Todor Balabanov
   */
  public boolean isValidMove(Vector<Card> stack) {
    return (acePile.isValidMove((CardStack) null));
  }

  /**
   * Paint procedure.
   * 
   * @param g
   *            Graphic context.
   * 
   * @author Todor Balabanov
   */
  @Override
  public void paint(Graphics g) {
    super.paint(g);

    if (CardComponent.cardsMapping.isEmpty() == true) {
      return;
    }

    for (int i = 0; i < acePile.length(); i++) {
      CardComponent.cardsMapping.get(acePile.getCardAtLocation(i))
          .updateImage();
      g.drawImage(
          CardComponent.cardsMapping
              .get(acePile.getCardAtLocation(i)).getImage(), 0,
          0, null);
    }
  }
}
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