// Purpose.  JOptionPane, JFileChooser, JColorChooser demo

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class JOptionPaneDemo {
   public static void main( String[] args ) {
      JFrame f = new JFrame( "JFC Standard Dialogs" );
      f.addWindowListener( new WindowAdapter() {
         public void windowClosing( WindowEvent e ) { System.exit( 0 ); } } );
      f.getContentPane().add(
         new JLabel( "The parent window", SwingConstants.CENTER ));
      f.setSize( 300, 200 );
      f.setVisible( true );

      System.out.println( "Press <Return> to continue: " );
      Read.aString();

      // Topley, p479
      JOptionPane.showMessageDialog( f, "Press OK to continue" );
      System.out.println( "MessageDialog complete" );

      // Topley, p482
      JOptionPane.showMessageDialog( f, "An information dialog",
         "Information Dialog", JOptionPane.INFORMATION_MESSAGE );
      System.out.println( "Information Dialog complete" );

      JOptionPane.showMessageDialog( f, "A question dialog",
         "Question Dialog", JOptionPane.QUESTION_MESSAGE );
      System.out.println( "Question Dialog complete" );

      JOptionPane.showMessageDialog( f, "A warning dialog",
         "Warning Dialog", JOptionPane.WARNING_MESSAGE );
      System.out.println( "Warning Dialog complete" );

      JOptionPane.showMessageDialog( f, "An error dialog",
         "Error Dialog", JOptionPane.ERROR_MESSAGE );
      System.out.println( "Error Dialog complete" );

      // Topley, p483
      JOptionPane.showMessageDialog( f, "Disk is loaded",
         "Information Dialog", JOptionPane.INFORMATION_MESSAGE,
         new ImageIcon( "images/disk.gif" ) );
      System.out.println( "Custom Information Dialog complete" );

      // Topley, p485
      int response = JOptionPane.showConfirmDialog( f,
         "Do you want to continue?" );
      if (response == JOptionPane.YES_OPTION)
         System.out.println( "YES selected" );
      else if (response == JOptionPane.NO_OPTION)
         System.out.println( "NO selected" );
      else if (response == JOptionPane.CANCEL_OPTION)
         System.out.println( "CANCEL selected" );
      else if (response == JOptionPane.CLOSED_OPTION)
         System.out.println( "CLOSED selected" );

      // Topley, p489, p532
      String lastStr = "PlayDead";
      response = JOptionPane.showOptionDialog( f, "Please check your spelling",
         "Option Dialog", JOptionPane.DEFAULT_OPTION,
         JOptionPane.WARNING_MESSAGE, null,
         new String[] {"Surrender","Retreat",lastStr}, lastStr );
      if (response == 0)
         System.out.println( "Surrender selected" );
      else if (response == 1)
         System.out.println( "Retreat selected" );
      else if (response == 2)
         System.out.println( "PlayDead selected" );
      else if (response == JOptionPane.CLOSED_OPTION)
         System.out.println( "CLOSED selected" );

      // Topley, p490
      lastStr = JOptionPane.showInputDialog( f,
         "Please type something and move on !" );
      System.out.println( "input is - " + lastStr );

      // Topley, p493, p548
      JFileChooser chooser = new JFileChooser();
      response = chooser.showDialog( f, args.length == 0 ? null : args[0] );
      System.out.println( "JFileChooser return value was - " + response );
      System.out.println( "file name is - "
         + chooser.getSelectedFile().getPath() );

      // Topley, p520
      Color selectedColor = JColorChooser.showDialog( f, "Choose my color",
         Color.red );
      System.out.println( "selected color is " + selectedColor + "\n" );
      System.out.println( "Done --- cancel the parent window" );
   }
}