tim/prune/correlate/CardStack.java

   1 package tim.prune.correlate;
   2
   3 import java.awt.CardLayout;
   4 import java.awt.Component;
   5
   6 import javax.swing.JPanel;
   7
   8 /**
   9  * Panel to act as a card stack
  10  */
  11 public class CardStack extends JPanel
  12 {
  13         private int _numCards = 0;
  14         private int _currCard = 0;
  15         private CardLayout _layout = null;
  16         private static final String cardName = "card";
  17
  18         /**
  19          * Constructor
  20          */
  21         public CardStack()
  22         {
  23                 _layout = new CardLayout();
  24                 setLayout(_layout);
  25         }
  26
  27         /**
  28          * Add a card to the stack
  29          * @param inComponent component to add
  30          */
  31         public void addCard(Component inComponent)
  32         {
  33                 super.add(inComponent, cardName + _numCards);
  34                 _numCards++;
  35         }
  36
  37         /**
  38          * @return current card index, starting from 0
  39          */
  40         public int getCurrentCardIndex()
  41         {
  42                 return _currCard;
  43         }
  44
  45         /**
  46          * @return number of cards in the stack
  47          */
  48         public int getNumCards()
  49         {
  50                 return _numCards;
  51         }
  52
  53         /**
  54          * Show the specified card
  55          * @param inIndex index of card, starting from 0
  56          */
  57         public void showCard(int inIndex)
  58         {
  59                 if (inIndex >= 0 && inIndex < _numCards) {
  60                         _currCard = inIndex;
  61                         _layout.show(this, cardName + inIndex);
  62                 }
  63         }
  64 }