// Action buttons that do something.
// Rewritten to use Swing and to alternately appear
// and disappear by Mark Sheldon, March 2006.
// Modified November 2006 by Mark Sheldon to create 
// a window to run in when run as an applet.

import java.awt.*;
import javax.swing.*;
import java.util.*;
import java.awt.event.*;  // for ActionListener and ActionEvent 

public class TinmanButton extends JApplet implements ActionListener
{  
    private final String draw = "Draw"; 
    private final String hide = "Hide";
    private JButton drawOrHideButton;
    private OzCanvas ozCanvas;
    private JPanel controlPanel;

    private static JFrame appFrame;                       // When running as application
    
    public void init() 
    {
	drawOrHideButton = new JButton(draw);             // Draw first, Hide later
	drawOrHideButton.addActionListener(this);         // register our interest
	ozCanvas = new OzCanvas();                        // A place to draw
	ozCanvas.setVisible(false);                       // hide for now
          
	Container content = getContentPane();
	content.setLayout(new BorderLayout());
	content.add(drawOrHideButton, BorderLayout.SOUTH); // add button to applet window
	content.add(ozCanvas, BorderLayout.CENTER);
    }
     
    //Implement the ActionListener interface's actionPerformed() method.
    // This is the actual event-handling method.
    public void actionPerformed(ActionEvent event) 
    {
	boolean newlyVisible = !ozCanvas.isVisible();
	ozCanvas.setVisible(newlyVisible);
	drawOrHideButton.setText( newlyVisible ? hide : draw);
    }

    // The following is needed to embed the applet in an application.
    public static void main (String[] args) 
    {
	//	final JFrame frame = new JFrame("Frame for Tinman Applet");
	appFrame = new JFrame("Frame for Tinman Applet");
	TinmanButton tinman = new TinmanButton();
	appFrame.setSize(725, 600);
	appFrame.getContentPane().add("Center", tinman);
	appFrame.addWindowListener(new AppFrameCloser(appFrame));

	tinman.init();
	appFrame.show();
    }
}

class OzCanvas extends JPanel
{
     public void paintComponent(Graphics g)
     {
          g.setColor(Color.red);
          g.drawOval(100,100,50,50);  // Head
          Polygon hat = new Polygon();
          hat.addPoint(100,100);
          hat.addPoint(125,70);
          hat.addPoint(150,100);
          g.fillPolygon(hat);
          g.drawString("If I only had a brain", 80, 60);
          g.fillRect(100,150,50,80);  // Body
          g.fillRect(105,230,15,50);  // Leg
          g.fillRect(130,230,15,50);  // Leg
          g.fillRect(75,175,100,20);  // Arms
     }
}

class AppFrameCloser extends WindowAdapter
{
    private JFrame frame;
    public AppFrameCloser(JFrame frame)
    {
	this.frame = frame;
    }

    public void windowClosing(WindowEvent e)
    {
	frame.dispose();
    }
}