My Work Java

LAB 9-2_Headlines

   Headlines(LAB9-2)

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;

public class Headlines extends JFrame{
    HeadlInePanel news=new HeadlInePanel();

    public Headlines(){
        super("Headlines");
        setSize(800,100);
        JPanel pane=new JPanel();
        pane.setLayout(new GridLayout(1,1,15,15));
        pane.add(news);
        setContentPane(pane);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        show();
        news.scroll();
    }
    public static void main(String[]args){
        Headlines head=new Headlines();
    }
}

class HeadlInePanel extends JPanel{
    String[]headlInes={
        "นางนวลเจ้าเอย ทะเลกว้างใหญ่ เห็นเพียงแต่ขอบฟ้าไกล",
        "ตัวเจ้าก็คงยังบินมุ่งไปอาจจะเหนื่อยแต่ความหวังยังมี",
        "นางเอยเจ้าเอย เจ้าบินเรื่อยไป เหมือนดังว่าใจรู้ดี",
        "จุดหมายในใจเจ้าคงต้องมี ห่างจากตรงนี้ไปอีกไกล"
    };
    int y=76;

    void scroll(){
        while(true){
            y=y-1;
            if(y<-75)
                y=76;
            repaint();
            try{
                Thread.sleep(200);
            }catch(InterruptedException e){}
        }
    }
    public void paintComponent(Graphics comp){
        Graphics2D comp2D=(Graphics2D)comp;
        Font type=new Font("monospaces",Font.BOLD,14);
        comp2D.setFont(type);
        comp2D.setColor(getBackground());
        comp2D.fillRect(0,0,getSize().width,getSize().height);
        comp2D.setColor(Color.black);
        for(int i=0; i < headlInes.length;i++)
            comp2D.drawString(headlInes[i],5,y+(20*i));
    }
}

LAB 9-1_MediaPlayerDemo

MediaPlayerDemo(LAB9-1)

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
import javax.media.*;

public class MediaPlayerDemo extends JFrame{
    private Player player;
    private File file;

    public MediaPlayerDemo ()
    {
        super("Demonstring the Java Media Player");

        JButton openFile=new JButton("Open file to play");
        openFile.addActionListener(
            new ActionListener (){
            public void actionPerformed(ActionEvent e)
                {
                openFile();
                createPlayer();
                }
            }
        );
        getContentPane().add(openFile,BorderLayout.NORTH);

        setSize(300,300);
        show();
}
private void openFile()

{
        JFileChooser fileChooser=new JFileChooser();

        fileChooser.setFileSelectionMode(
            JFileChooser.FILES_ONLY);

        int result=fileChooser.showOpenDialog(this);


        if(result==JFileChooser.CANCEL_OPTION)
            file=null;
        else
            file=fileChooser.getSelectedFile();
    }

    private void createPlayer()
        {
        if(file==null)
            return;

        removePreviousPlayer();

        try{

            player=Manager.createPlayer(file.toURL());
            player.addControllerListener(new EventHandler());
            player.start();
        }
        catch(Exception e){
            JOptionPane.showMessageDialog(this,
                "Invalid file or location","Error loading file",
                JOptionPane.ERROR_MESSAGE);
            }
    }

    private void removePreviousPlayer()
    {
        if(player==null)
            return;

        player.close();

        Component visual=player.getVisualComponent();
        Component control=player.getControlPanelComponent();

        Container c=getContentPane();

        if(visual !=null)
            c.remove(visual);

        if(control !=null)
            c.remove(control);
    }

    public static void main (String[]args){

        MediaPlayerDemo app=new MediaPlayerDemo();

        app.addWindowListener(
            new WindowAdapter(){
                public void windowClosing(WindowEvent e)
                {
                    System.exit(0);
                }
        }
    );
}

    private class EventHandler implements ControllerListener{
        public void controllerUpdate(ControllerEvent e){
            if (e instanceof RealizeCompleteEvent){

                Container c=getContentPane();
                Component visualComponent=
                    player.getVisualComponent();
                if(visualComponent !=null)

                    c.add(visualComponent,BorderLayout.CENTER);
                Component controlsComponent=
                    player.getControlPanelComponent();
                if(controlsComponent !=null)

                    c.add(controlsComponent,BorderLayout.SOUTH);
                c.doLayout();
            }
        }
    }
}

LAB 8_PlayMidi

PlayMidi(LAB8)

import java.awt.event.*;
import javax.swing.*;
import javax.sound.midi.*;
import java.awt.GridLayout;
import java.io.File;
public class PlayMidi extends JFrame{
    public PlayMidi(String title){
        super(title);
        setSize(180,100);
        MidiPanel midi=new MidiPanel("./sounds/midi.midi");
        JPanel pane=new JPanel();
        pane.add(midi);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setContentPane(pane);
        setVisible(true);
    }
    public static void main(String[]args){
        PlayMidi myMidi=new PlayMidi("Java Sound MIDI");
    }
}
class MidiPanel extends JPanel implements Runnable{
    Thread runner;
    JProgressBar progress=new JProgressBar();
    Sequence currentSound;
    Sequencer player;
    String songFile;
    public MidiPanel(String song){
        super();
        songFile=song;
        JLabel label=new JLabel("Playing file....");
        setLayout(new GridLayout(2,1));
        add(label);
        add(progress);
        if(runner==null){
            runner=new Thread(this);
            runner.start();
        }
    }
    public void run(){
        try{
            File file=new File(songFile);
            currentSound=MidiSystem.getSequence(file);
            player=MidiSystem.getSequencer();
            player.open();
            player.setSequence(currentSound);
            progress.setMinimum(0);
            progress.setMaximum((int)player.getMicrosecondLength());
            player.start();
            while(player.isRunning()){
                progress.setValue((int)player.getMicrosecondPosition());
                try{
                    Thread.sleep(1000);
                }catch(InterruptedException e){}
            }
            progress.setValue((int)player.getMicrosecondPosition());
            player.close();
        }catch(Exception e){
            System.err.println(e);
        }
    }
}

LAB 7_UseGridBag2

  UseGridBag2(LAB7)

import javax.swing.*;
import java.awt.*;
class UseGridBag2 extends JFrame{
    public UseGridBag2(String title){
        super(title);
        GridBagLayout gb=new GridBagLayout();
        GridBagConstraints gc=new GridBagConstraints();
        Container c=getContentPane();
        c.setLayout(gb);
        gc.gridx=0; gc.gridy=0;
        c.add(new JButton("Button 1"),gc);
        gc.gridx=1;gc.gridy=1;
        c.add(new JButton("Button2"),gc);
        gc.gridx=2; gc.gridy=2;
        c.add(new JButton("Button3"),gc);
    }
    public static void main(String[]args){
        UseGridBag2 f=new UseGridBag2("Use GridBag2");
        f.setDefaultCloseOperation(f.EXIT_ON_CLOSE);
        f.pack();
        f.show();
    }
}

LAB 7_LayeredPaneTest

LayeredPaneTest(LAB7)

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

class LayeredPaneTest extends JFrame{
    Container c=getContentPane();
    JLayeredPane layeredPane=new JLayeredPane();
        LayeredPaneTest(){
            JButton b1=new JButton("1");
            JButton b2=new JButton("2");
            b1.setBackground(Color.blue);
            b2.setBackground(Color.red);
            b1.setBounds(60,30,100,60);
            b2.setBounds(90,60,100,60);
            layeredPane.add(b1,new Integer(2));
            layeredPane.add(b2,new Integer(2));
            layeredPane.setLayer(b2,100);
            setLayeredPane(layeredPane);
            setTitle("LayeredPaneTest");
            setSize(400,300);
            setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            setVisible(true);
        }
        public static void main(String[]args){
            new LayeredPaneTest();
        }
}

LAB 7_UseBound1

UseBound1(LAB7)

import javax.swing.*;
import java.awt.*;
class UseBound1{
    public static void DisplayBound(Component comp){
        if(comp !=null){
            Rectangle r=comp.getBounds();
            System.out.println(comp.getClass().getName());
            System.out.println("x coordinate:"+r.x);
            System.out.println("y coordinate:"+r.y);
            System.out.println("height:"+r.height);
            System.out.println("width:"+r.width);
        }
        else return;
    }
    public static void main(String[]args){
        JTextField text=new JTextField(10);
        JButton b1=new JButton("OK");
        JFrame f=new JFrame();
        f.setDefaultCloseOperation(f.EXIT_ON_CLOSE);
        f.setSize(300,100);
        Container c=f.getContentPane();
        c.setLayout(new FlowLayout());
        c.add(text);
        c.add(b1);
        f.show();
        DisplayBound(b1);
    }
}