/**

 * Creates a control panel to use in the south section of a boarder layout.

 *

 * @author T. K. Rogers

 * @version 1-23-04

 */

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.event.*;

import javax.swing.border.*;

public class SouthControlPanel  extends JPanel

                                implements ActionListener {

    // Creates empty panels used for spacing.

    // Note: panels can only be used once

       private JPanel emptyPanel1 = new JPanel ( new GridLayout ( 1, 1 ) ) ,

                              emptyPanel3 = new JPanel ( new GridLayout ( 1, 1 ) ) ,

                              emptyPanel4 = new JPanel ( new GridLayout ( 1, 1 ) ) ;

       private NewGuiGraphicsDemo demo = new NewGuiGraphicsDemo ( ) ;                   

       private JButton startButton ,

                               stopButton ,

                               resetButton ;
 

    public SouthControlPanel ( ) {

        setLayout(new GridLayout ( 1, 4 ) ) ;

       

        // Sets up buttons

        startButton = new JButton ( "start" ) ;

        startButton.setBorder ( BorderFactory.createRaisedBevelBorder (  ) ) ;

                                            //  ^ Improves button appearance ^

        startButton.addActionListener ( this ) ;

       

        stopButton = new JButton ( "stop" ) ;

        stopButton.setBorder(BorderFactory.createRaisedBevelBorder (  ) ) ;

 

        stopButton.addActionListener(this);

      

        resetButton = new JButton ("reset");

        resetButton.setBorder ( BorderFactory.createRaisedBevelBorder (  ) ) ;

        resetButton.addActionListener(this);

        // Gives the panel a border with a title.

        setBorder (new TitledBorder (new EtchedBorder ( ) , "South Control Panel" ) ) ;

        add ( startButton ) ;

        add (stopButton) ; //Empty panels are needed for spacing

        add (resetButton) ;

        add emptyPanel3) ;

    }

    /////////////////////////////////////////////////////////////////////////

    public void actionPerformed(ActionEvent e) {

        Object source = e.getSource();

        if (source == startButton) {

            GraphicsDisplay.startDot();

        }

       

        if (source == stopButton) {

            GraphicsDisplay.stopDot();

        }

        if(source == resetButton)

        {

            GraphicsDisplay.resetDot();

        }

    }

}