/**
 * ShapeDemo.java
 * 
 * Build a shape, display in a shape editor, print it, play it.
 * 
 * @author Phil Burk and Nick Didkovsky
 */
/*
 * (C) 1997 Phil Burk and Nick Didkovsky, All Rights Reserved JMSL is based upon
 * HMSL (C) Phil Burk, Larry Polansky and David Rosenboom.
 */
package jmslexamples;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import com.softsynth.jmsl.*;
import com.softsynth.jmsl.view.MusicShapeEditor;
import com.softsynth.jmsl.view.TextAreaOut;

public class MusicShapeDemo extends java.applet.Applet implements ActionListener {

    MusicShape myShape;
    MusicShapeEditor se;
    TextArea textArea;
    Button startButton;
    Button stopButton;

    public void init() {
        JMSLRandom.randomize();
        JMSL.setIsApplet(true);
        // a place for printed output
        setLayout(new BorderLayout());
        textArea = new TextArea(10, 80);
        add("South", textArea);
        JMSL.setSTDOut(new TextAreaOut(textArea));

        Panel p = new Panel();
        p.add(startButton = new Button("Start"));
        p.add(stopButton = new Button("Stop"));
        stopButton.setEnabled(false);
        add("Center", p);

        // build a prefabricated 4 dimensional shape
        myShape = new MusicShape(4);
        myShape.prefab();
        myShape.print();
        myShape.setRepeats(10);
        myShape.addRepeatPlayable(new MessagePrinter("REPEATS"));
        // build a shape editor to view the shape
        se = new MusicShapeEditor();
        se.addMusicShape(myShape);

        add("North", se.getComponent());

        startButton.addActionListener(this);
        stopButton.addActionListener(this);
    }

    public void start() {
        synchronized (JMSL.class) {
            JMSL.clock = new DefaultMusicClock();
            JMSL.scheduler = new EventScheduler();
            JMSL.scheduler.start();
        }
    }

    public void stop() {
        synchronized (JMSL.class) {
            myShape.finishAll();
            try {
                myShape.waitForDone();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            JMSL.scheduler.stop();
            JMSL.closeMusicDevices();
        }
    }

    void handleStart() {
        myShape.finish();
        try {
            myShape.waitForDone();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        myShape.launch(JMSL.now());
        stopButton.setEnabled(true);
        startButton.setEnabled(false);
    }

    void handleStop() {
        myShape.finishAll();
        stopButton.setEnabled(false);
        startButton.setEnabled(true);
    }

    public void actionPerformed(ActionEvent e) {
        Object source = e.getSource();
        if (source == startButton)
            handleStart();
        if (source == stopButton)
            handleStop();
    }

    public static void main(String args[]) {
        MusicShapeDemo applet = new MusicShapeDemo();
        Frame f = new Frame("Shape Demo");
        f.addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent e) {
                System.exit(0);
            }
        });
        f.add(applet, BorderLayout.CENTER);
        applet.init();
        applet.start();
        f.setSize(800, 600);
        f.setVisible(true);
    }

}