// CIS 226 Chapter 7 Arrays Example
// DeckOfCardsApplet.java - Applet for DeckOfCards
// Jerry Zhou - 07/22/2006
import java.awt.*;        // Container, FlowLayout
import java.awt.event.*;  // ActionEvent, ActionListener

import javax.swing.*;     // JApplet, JButton, JTextField

public class DeckOfCardsApplet extends JApplet implements ActionListener 
{
   // my deck of cards
   DeckOfCards myDeckOfCards;
   
   // graphical user interface components 
   JButton dealButton, shuffleButton;
   JTextField cardField;
   
   // set up GUI components
   public void init()
   {
      // obtain content pane and change its layout to FlowLayout
      Container container = getContentPane();
      container.setLayout( new FlowLayout() );      

      // create buttons and text fields
      dealButton = new JButton( "Deal card" );
      dealButton.addActionListener(this);
      container.add( dealButton );
      
      shuffleButton = new JButton( "Shuffle cards" );
      shuffleButton.addActionListener(this);
      container.add( shuffleButton );
      
      cardField = new JTextField(20);
      cardField.setEditable(false);
      container.add( cardField );

      // create mydeckOfCards
      myDeckOfCards = new DeckOfCards();
   } // end method init

   // process button click
   public void actionPerformed( ActionEvent actionEvent )
   {
      if( actionEvent.getSource() == dealButton )
      {
    	  // Deal card
    	  Card myCard = myDeckOfCards.dealCard();
    	  cardField.setText( myCard == null? "NO MORE CARD": myCard.toString() );  
      }
      else if( actionEvent.getSource() == shuffleButton )
      {
    	  // Shuffle cards
    	  myDeckOfCards.shuffle();
    	  cardField.setText( "DECK IS SHUFFLED" );
      }
   } // end method actionPerformed
} // end class DeckOfCardsApplet