//cd c:\HPBasic\Toppage-sample3\MySwing\Slideshow100
//set CLASSPATH=.	
//javac Slideshow5.java
//appletviewer Slideshow5.html
//appletviewer Slideshow5.java

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.net.*;

/*
    <applet code="Slideshow5.class" width=700 height=600></applet>
*/

public class Slideshow5 extends JApplet implements ActionListener, Runnable {
   Container contentPane;
   JButton startButton;
   JButton stopButton;
   AudioClip onceClip;
   SlidePanel5 slidepanel5;
   ImageIcon[] images;
   Thread t;
   int i;
   int n = 7; //NUM_IMAGES
   String[] str={"コスモス(昭和記念公園 2003)","コスモス1","コスモス2",
       "コスモス3","コスモス4","コスモス5","コスモス6"};
   String slideName = "kosmos";
   String midiFile= "coroptica.mid";

   static int height;
   static ImageIcon img;
   static String str2;

   public void init(){
        contentPane = getContentPane();
        JPanel minipanel= new JPanel();         

        startButton = new JButton("Start");
        stopButton = new JButton("Stop");
        startButton.addActionListener(this);
        stopButton.addActionListener(this);

        images = new ImageIcon[n];
        for (int j = 0; j < n; j++) {
           String imageName = slideName + j + ".jpg";
           try{images[j]=new ImageIcon(new URL(getCodeBase(),imageName));              } catch (Exception e) {}
        }

        Dimension d = getSize();
        height = d.height;
        System.out.println("init height = " + height);
	contentPane.add(minipanel,BorderLayout.NORTH);
        minipanel.add(startButton);
        minipanel.add(stopButton);
        minipanel.setBackground(Color.green);
        slidepanel5=new SlidePanel5();
	contentPane.add(slidepanel5,BorderLayout.CENTER);
        slidepanel5.setBackground(Color.yellow);
    }

     public void actionPerformed(ActionEvent event) {
        Object source = event.getSource();
        if (source == startButton) {
           onceClip = getAudioClip(getCodeBase(),midiFile);
           onceClip.play();     //AudioPlay
        // スレッドを起動する
           t = new Thread(this);
           t.start();
        } 
        if (source == stopButton) {
           onceClip.stop();    //AudioStop
           stop();
        } 
     }

     public void run() {
        try {
           Thread mythread = Thread.currentThread();         
            i=0;
           while(t == mythread) {
             start();
             Thread.sleep(3000);
             i++;
             if (i == n) 
               i=0;
           }
        }
        catch (Exception e) {
        }
     }

   public void start() {
        img=images[i];
        str2=str[i];
        System.out.println("start i = " + i);
        slidepanel5.init(); 
    }

   public void stop() {
        t=null;
    }
 }

class SlidePanel5 extends JPanel {
      ImageIcon imgicon;
      String string;
      int height;

     public void init() {
         string=Slideshow5.str2;
         imgicon=Slideshow5.img;
         height= Slideshow5.height;
         System.out.println("SlidePanel5 init string = " + string + " height = " + height);
         repaint();
     }

     public void paintComponent(Graphics g) {
         super.paintComponent(g);
         System.out.println("paintComponent string = " + string);
         g.setFont(new Font("Serif", Font.BOLD, 30));
         g.setColor(Color.blue);
         g.drawString(string,220,height-50);
         imgicon.paintIcon(this,g,50,30);
    }
 }

/*
 別クラスSlidePanelを内部クラスとせずに成功した唯一の例。

写真画像、説明文、アプレットの高さをオブジェクト変数で受け取ろうとしたが、それらの初期値しか受けとれず失敗(Slideshow100/Slideshow50)。
  しかし、いずれもクラス変数としてあっさり解決(Slideshow100/Slideshow5)。

  なお、Slideshowクラスから引数つきのSlidePanelコンストラクタを作って、引数で
渡そうとしたが、最初の写真と説明しか出ない(Slideshow100/Slideshow)。

C:\HPBasic\Toppage-sample3\MySwing\Slideshow100>appletviewer Slideshow5.html
init height = 600
start i = 0
SlidePanel5 init string = コスモス(昭和記念公園 2003) height = 600
paintComponent string = コスモス(昭和記念公園 2003)
start i = 0
SlidePanel5 init string = コスモス(昭和記念公園 2003) height = 600
paintComponent string = コスモス(昭和記念公園 2003)
start i = 1
SlidePanel5 init string = コスモス1 height = 600
paintComponent string = コスモス1
start i = 2
SlidePanel5 init string = コスモス2 height = 600
paintComponent string = コスモス2
start i = 3
SlidePanel5 init string = コスモス3 height = 600
paintComponent string = コスモス3
*/