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

public class TranslucentMetersApplet extends Applet {

    protected TranslucentBarMeter[] barmeters;
    protected TransparentMeter meter;
    DataReader[] dataReaders = new DataReader[3];

    protected int width = 423;
    protected int height = 640;

    public void init(){
        setLayout(null);

        createBarMeters();
        createMeter();
        createLabels();
        createBackgroundImage();
        createDataReader();
    }

    public void createBarMeters(){
        barmeters = new TranslucentBarMeter[2];
        for(int i = 0 ; i < 2 ; i++){
            barmeters[i] = new TranslucentBarMeter();
            add(barmeters[i]);

            barmeters[i].setMinimum(0);
            barmeters[i].setMaximum(100);
        
            barmeters[i].setForeground(Color.red);
            barmeters[i].setBackground(Color.lightGray);
        }
        barmeters[0].setBounds(180, 50, 50, 100);
        barmeters[1].setBounds(350, 500, 50, 100);
    }

    public void createMeter(){
        meter = new TransparentMeter();
        meter.setMinimum(0);
        meter.setMaximum(100);
        meter.setForeground(Color.blue);
        meter.setGraduationColor(Color.lightGray);
        add(meter);
        meter.setBounds(200, 150, 200, 200);
    }

    public void createLabels(){
        TransparentLabel label 
            = new TransparentLabel("Peenerˆ³—Ν", Color.white);
        add(label);
        label.setLocation(170, 30);

        label = new TransparentLabel("100", Color.white);
        add(label);
        label.setLocation(155, 40);

        label = new TransparentLabel("0", Color.black);
        add(label);
        label.setLocation(167, 140);

        label = new TransparentLabel("—n—Z˜F“ΰ‰·“x", Color.white);
        add(label);
        label.setLocation(260, 300);

        label = new TransparentLabel("ŠŠ–ϋ‰·“x", Color.white);
        add(label);
        label.setLocation(350, 480);

        label = new TransparentLabel("100", Color.white);
        add(label);
        label.setLocation(325, 490);

        label = new TransparentLabel("0", Color.white);
        add(label);
        label.setLocation(337, 590);
    }

    public void createBackgroundImage(){
        int size = Integer.parseInt(getParameter("size"));
        String filename;
        ImageComponent comp;
        for(int i = 0 ; i < size ; i++){
            filename = getParameter(new String("file"+i));
            comp = new ImageComponent(this, filename);
            add(comp);
            comp.setLocation(0, 9);
        }
    }

    public void createDataReader(){
        DataReader[] dataReaders = new DataReader[3];
        for(int i = 0 ; i < 2 ; i++){
            dataReaders[i] = new DataReader();
            DataChangeAdapter listener = new DataChangeAdapter(barmeters[i]);
            dataReaders[i].addDataChangeListener(listener);
        }

        dataReaders[2] = new DataReader();
        dataReaders[2].addDataChangeListener(new DataChangeListener(){
            public void dataChanged(DataChangeEvent e) {
                int val = e.getValue();
                meter.setValue(val);
            }

        });
    }

    public void start(){
        for(int i = 0 ; i < 3 ; i++){
            dataReaders[i].setActive(true);
        }
    }

    public void stop(){
        for(int i = 0 ; i < 3 ; i++){
            dataReaders[i].stop();
        }
    }

    public void update(Graphics g){
        paint(g);
    }

    class DataChangeAdapter implements DataChangeListener {
        TranslucentBarMeter barmeter;

        public DataChangeAdapter(TranslucentBarMeter barmeter){
            this.barmeter = barmeter;
        }

        public void dataChanged(DataChangeEvent e) {
            int val = e.getValue();
            barmeter.setValue(val);
        }
    }

}