import java.applet.Applet;
import java.awt.*;

public class hybrid1 extends Applet {
   public Choice cb;
   private Button b1, b2, b3, b4, b5;
    private Canvas c;
	private Checkbox check1, check2, check3, check4, check5, check6, check7;
	private Font f;
	private Label oxLabel, amountLabel, throtLabel;

   public void init()
   {
      // do not use a layout manager
      setLayout( null );
	setBackground(Color.black);
	setForeground(Color.yellow);

	cb = new Choice();
      	cb.addItem( "Fuel Grain Calculations" );
      	cb.addItem( "Oxidiser Tank Optimisation" );
      	cb.addItem( "Combustion Chamber Analysis" );
	cb.addItem( "Simple Trajectory Analysis" );

	check1 = new Checkbox( "Chamber Temperature" );
	check2 = new Checkbox( "Nozzle Temperature" );
	check3 = new Checkbox( "Oxidiser Flow Rate" );
	check4 = new Checkbox( "Burn Duration" );

	check5 = new Checkbox( "Throttle Motor Voltage" );
	check6 = new Checkbox( "Throttle Motor Current" );
	check7 = new Checkbox( "Battery Power" );

	// c = new Canvas();
    //  c.setBackground( Color.black );
    //  c.resize( 20, 10 );

      	b1 = new Button( "Throttle Up" );
      	b2 = new Button( "Throttle Down" );
      	b3 = new Button( "50% Throttle" );
	b4 = new Button( "25% Throttle" );
     	b5 = new Button( "Ignition" );

      	add( cb );
      	add( b1 );
      	add( b2 );
      	add( b3 );   
	add( b4 );
      	add( b5 ); 
	setForeground(Color.red);
	add( check1 );
	setForeground(Color.orange);
	add( check2 );
	setForeground(Color.yellow);
	add( check3 );
	setForeground(Color.blue);
	add( check4 );
	setForeground(Color.cyan);
	add( check5 );
	setForeground(Color.red);
	add( check6 );
	setForeground(Color.blue);
	add( check7 );


	// add ( c );  

     	b1.reshape( 105, 20, 75, 25 );
      	b2.reshape( 105, 80, 75, 25 );
      	b3.reshape( 25, 50, 75, 25);
	b4.reshape( 185, 50, 75, 25 );
      	b5.reshape( 105, 50, 75, 25);

	check1.reshape(20, 255, 125, 25);
	check2.reshape(150, 255, 115, 25);
	check3.reshape(20, 285, 115, 25);
	check4.reshape(150, 285, 115, 25);

	check5.reshape(300, 250, 125, 25);
	check6.reshape(300, 270, 125, 25);
	check7.reshape(300, 290, 90, 25);

	// c.reshape( 20, 120, 240, 100);

      	cb.reshape( 280, 20, 150, 17); 

	f = new Font( "Arial", Font.BOLD + Font.ITALIC, 15 );   
	setForeground( Color.green );
	oxLabel = new Label();
	oxLabel.setText( "OXIDISER" );
	oxLabel.setFont( f );
	add( oxLabel );
	oxLabel.reshape( 15, 360, 80, 15);

	f = new Font( "Arial", Font.BOLD, 20 );   
	setForeground( Color.red );
	amountLabel = new Label();
	amountLabel.setText( "100 %" );
	amountLabel.setFont( f );
	add( amountLabel );
	amountLabel.reshape( 25, 380, 80, 20);

	f = new Font( "Arial", Font.BOLD + Font.ITALIC, 15 );   
	setForeground( Color.white );
	throtLabel = new Label();
	throtLabel.setText( "THROTTLE" );
	throtLabel.setFont( f );
	add( throtLabel );
	throtLabel.reshape( 310, 55, 80, 15);
   }


public void paint ( Graphics g )
	{
		g.setColor( Color.green );
		
// Left Graph
// These lines ----
			for (int i = 12; i < 25; i++) 
				{
	   			g.drawLine(20, i * 10, 260, i * 10);
				}
	
// These lines - ||||||
			for (int i = 2; i < 27; i++) 
				{
	    			g.drawLine(i * 10, 120, i * 10, 240);
				}
g.setColor( Color.orange );
// Right Graph
// These lines ----
			for (int i = 12; i < 25; i++) 
				{
	   			g.drawLine(300, i * 10, 430, i * 10);
				}
	
// These lines - ||||||
			for (int i = 30; i < 44; i++) 
				{
	    			g.drawLine(i * 10, 120, i * 10, 240);
				}



// Valve
// x1, y1, x2, y2
		g.setColor( Color.yellow );
		g.drawRect( 70, 333, 15, 15 );
		g.drawLine(70, 333, 85, 348);
		g.drawLine(85, 333, 70, 348);

// Flow Line
		g.drawLine(86, 338, 125, 338);
		g.drawLine(86, 343, 125, 343);

// Oxidiser Tank
		g.setColor( Color.yellow );
		g.drawArc( 125, 320, 41, 41, 90, 180 );

		g.setColor( Color.red );
		g.fillArc( 126, 321, 40, 40, 90, 180 );


		g.setColor( Color.yellow );
		g.drawRect( 148, 320, 30, 40 );

		g.setColor( Color.pink );
		g.fillRect( 149, 321, 29, 39 );
	
	
		g.setColor( Color.yellow );
		g.drawRect( 181, 320, 30, 40 );

		g.setColor( Color.orange );
		g.fillRect( 182, 321, 29, 39 );


		g.setColor( Color.yellow );
		g.drawRect( 214, 320, 30, 40 );

		g.setColor( Color.green );
		g.fillRect( 215, 321, 29, 39 );


		g.setColor( Color.yellow );
		g.drawRect( 247, 320, 30, 40 );

		g.setColor( Color.green );
		g.fillRect( 248, 321, 29, 39 );


		g.setColor( Color.yellow );
		g.drawRect( 280, 320, 30, 40 );

		g.setColor( Color.green );
		g.fillRect( 281, 321, 29, 39 );

		
		g.setColor( Color.yellow );
		g.drawArc( 291, 320, 41, 41, 270, 180 );

		
// Scale
		g.setColor( Color.white);
		g.drawLine(125, 390, 332, 390);
		g.drawLine(125, 390, 125, 375);
		g.drawLine(148, 390, 148, 380);
		g.drawLine(181, 390, 181, 380);
		g.drawLine(214, 390, 214, 380);
		g.drawLine(247, 390, 247, 380);
		g.drawLine(280, 390, 280, 380);
		g.drawLine(310, 390, 310, 380);
		g.drawLine(332, 390, 332, 375);
	}

public boolean action( Event e, Object o )
	{
	
	if (e.target == b1 )
			{
			showStatus( "Throttle Up " );
		
				// g.setColor( Color.black );
				// g.fillRect( 281, 281, 29, 39 );
				return true;
			}

	if (e.target == b2 )
			{
			showStatus( "Throttle Down" );
		
				// g.setColor( Color.black );
				// g.fillRect( 281, 281, 29, 39 );
				return true;
			}


	if (e.target == b3 )
			{
			showStatus( "50% Throttle " );
		
				// g.setColor( Color.black );
				// g.fillRect( 281, 281, 29, 39 );
				return true;
			}

	if (e.target == b4 )
			{
			showStatus( "25% Throttle " );
		
				// g.setColor( Color.black );
				// g.fillRect( 281, 281, 29, 39 );
				return true;
			}

	if (e.target == b5 )
			{
			showStatus( "Motor Ignition " );
		
				// g.setColor( Color.black );
				// g.fillRect( 281, 281, 29, 39 );
				return true;
			}
			// return true;

	if ( e.target instanceof Choice )
		{

		cb.getSelectedItem();
		cb.countItems();
		
		if (cb.getSelectedIndex() == 0)
			{
				showStatus( "This option is not currently available" );
			}
			// return true;
		if (cb.getSelectedIndex() == 1)
			{
				showStatus( "This option is not currently available" );
			}
		if (cb.getSelectedIndex() == 2)
			{
				showStatus( "This option is not currently available" );
			}
		if (cb.getSelectedIndex() == 3)
			{
				showStatus( "This option is not currently available" );
			}


		}
		return true;

	
	}


}