//Converter
//Demonstrates scrollbars
//Andy Harris

import java.awt.*;
import java.applet.*;
import java.awt.event.*;

public class Converter extends Applet implements AdjustmentListener,
                                                 ItemListener{

  Scrollbar scrInput = new Scrollbar (Scrollbar.VERTICAL, 0 ,0, 1, 100);
  Label lblSource = new Label("0 miles");
  Label lblDest = new Label("0 kilometers");
  String SourceUnit = "miles";
  String DestUnit = "kilometers";
  Panel pnlCenter = new Panel();
						   
  public void init(){
    setLayout (new BorderLayout());
    add(scrInput, BorderLayout.WEST);
    add(pnlCenter, BorderLayout.CENTER);

    pnlCenter.setLayout(new GridLayout(0,1));
    pnlCenter.add(lblSource);
    pnlCenter.add(lblDest);
    setFont(new Font("SansSerif", Font.BOLD, 30));
    //lblOutput.setAlignment(Label.CENTER);
    
    scrInput.addAdjustmentListener(this);
  } // end init

  public void adjustmentValueChanged(AdjustmentEvent e){
    lblSource.setText(e.getValue() + " " + SourceUnit);
    double sourceValue = (double)(e.getValue());
    double destValue = sourceValue / 0.62;
    destValue = ((float) (destValue * 100)) /100;
    lblDest.setText(destValue + " " + DestUnit);
  } //end processAdjustmentEvent
						   
  public void itemStateChanged(ItemEvent e){
    //do nothing
  } // end itemStatechanged
					      

} // end class def