// Fig. 13.22: KeyDemo.java - Demonstrating keystroke events.
import java.lang.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class Orbit extends JFrame implements KeyListener {
	private String line0 = "", line1 = "";
	private JTextArea textArea;
	private OrbitPanel ControlPane;
//	public final int sSh=960, sSv=720;		
	
	// set up GUI
	public Orbit()	{

		super( "Orbit" );
		
		Container container = getContentPane();
		container.setLayout(new BorderLayout());
		ControlPane = new OrbitPanel(1);
		
		
		// set up JTextArea
		textArea = new JTextArea( 10, 15 );
		textArea.setText( "Move spacecraft into geosynchronous orbit!" );
		textArea.setEnabled( false );
		textArea.setDisabledTextColor( Color.BLACK );
		textArea.setBounds(new Rectangle(1,400,300,300));
		getContentPane().add( textArea, BorderLayout.EAST );

		ControlPane.setBackground(Color.white); // ControlPane is an instance of JPanel
		//    ControlPane.setBorder(border1);
		ControlPane.setDebugGraphicsOptions(0);
//		ControlPane.setBounds(new Rectangle(-1, 0, 300, 60));
		//ControlPane.setLayout(null);

		addKeyListener( this );  // allow frame to process Key events
		
		setSize( 960, 720 );
		setVisible( true );
		
		this.getContentPane().add(ControlPane, BorderLayout.CENTER);
		enableEvents(AWTEvent.WINDOW_EVENT_MASK);
		Thread t = new Thread(ControlPane);
		t.start(); //Start the orbit rendering thread
		
	} // end KeyDemo constructor

   // Invoked when a key has been pressed. 
	public void keyPressed( KeyEvent event ) {
		line0 = "Key Pressed: " + event.getKeyChar()+" "+event.getKeyText(event.getKeyCode())+" "+event.getKeyCode();
		switch (event.getKeyCode()) {
			case KeyEvent.VK_LEFT:
        		System.out.print("L"); ControlPane.goLeft(); break;
			case KeyEvent.VK_UP:
        		System.out.print("U"); ControlPane.goUp(); break;
			case KeyEvent.VK_RIGHT:
        		System.out.print("R"); ControlPane.goRight(); break;
			case KeyEvent.VK_DOWN:
        		System.out.print("D"); ControlPane.goDown(); break;
			case 27:
        		System.out.print("ESC"); break;
			case 32:
        		System.out.print("SB"); break;
			default:
        		System.out.print("Key Code" + event.getKeyCode() + "not included. ");			
        		break;
    	}
		textArea.setText( line0 + "\n" + line1 + "\n");
	}
   // Invoked when a key has been released. 
   public void keyReleased( KeyEvent event ) {
		line1 = "Key Released: " + event.getKeyChar()+" "+event.getKeyText(event.getKeyCode())+" "+event.getKeyCode();
		switch (event.getKeyCode()) {
			case 37:
//        		System.out.print("L"); break;
			case 38:
//        		System.out.print("U"); break;
			case 39:
//        		System.out.print("R"); break;
			case 40:
//        		System.out.print("D"); break;
			case 27:
//        		System.out.print("ESC"); break;
			case 32:
//        		System.out.print("SB"); break;
			default:
//        		System.out.print("Key Code" + event.getKeyCode() + "not included. ");			
        		break;
    	}
//		System.out.print(" ");
		textArea.setText( line0 + "\n" + line1 + "\n");
	}
   // Invoked when a key has been typed. 
   public void keyTyped( KeyEvent event ) {
   }

   public static void main( String args[] ) {
		Orbit application = new Orbit();     
		application.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
   }

} // end class KeyDemo