// SliderDemo.java
// Uses JSliders to size a circle
// <APPLET CODE="SliderDemo" HEIGHT=270 WIDTH=220>
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;

public class SliderDemo extends JApplet {
	private Container c;
	private JSlider diameter;
	private OvalPanel myPanel;

	public void init( ) {
		c = getContentPane( );

		myPanel = new OvalPanel( );
		myPanel.setBackground( Color.yellow );

		diameter = new JSlider( SwingConstants.HORIZONTAL, 0, 200, 10 );
		diameter.setMajorTickSpacing( 10 );
		diameter.setPaintTicks( true );
		diameter.addChangeListener(
			new ChangeListener( ) {
				public void stateChanged( ChangeEvent e ) {
					myPanel.setDiameter( diameter.getValue( ) );
				}
			}
		);

		c.add( diameter, BorderLayout.SOUTH);	// adds the JSlider
		c.add( myPanel, BorderLayout.CENTER );	// adds the drawing panel
	}
}