// Fig. 14.2: CustomPanel.java
// A customized JPanel class.
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

public class CustomPanel extends JPanel {
   public final static int CIRCLE = 1, SQUARE = 2;
   private int shape;


	public CustomPanel ()
	{
		addMouseListener (
			new MouseAdapter ()
		{
			public void mouseClicked (MouseEvent event)
			{
				Graphics g = getGraphics ();
				int x = event.getX();
				int y = event.getY();
				g.drawLine (0,0,x,y);
			}
		}
			);
	}

   // use shape to draw an oval or rectangl
   public void paintComponent( Graphics g )
   {
      super.paintComponent( g );

      if ( shape == CIRCLE )
         g.fillOval( 50, 10, 60, 60 );
      else if ( shape == SQUARE )
         g.fillRect( 50, 10, 60, 60 );
   }

   // set shape value and repaint CustomPanel
   public void draw( int shapeToDraw )
   {
      shape = shapeToDraw;
      repaint();
   }

} // end class CustomPanel



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