package com.service;
 
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Random;
 
import javax.sound.sampled.*;
import javax.swing.JSlider;
import javax.swing.JTable;

import com.list.MusicList;
import com.list.ThreadList;
import com.list.ViewList;
import com.model.Model;
import com.model.Music;
import com.view.View;


/*"duration" 
"author" 
"title" 
"copyright" 
"date" 
"comment"*/
public class Player extends Thread{
 


 private Player p;
 private long time = 0;
 
 Object lock = new Object();//一個空的對象,沒什么意義
 
 private boolean paused = false;// 暫停 繼續(xù)
 
 
 public boolean isPaused() {
 return paused;
 }

 public void setPaused(boolean paused) {
 this.paused = paused;
 }
 
 private JSlider jSliderPlayProgress;//播放進度條


 private boolean over = false;//開始 結(jié)束
 
 //是否自動播放下一曲
 private boolean isNext=true;
 
 
 private Music music;//音樂
 
 
 AudioInputStream din = null;
 SourceDataLine line=null;
 
 private FloatControl volume = null;

 private JSlider jSliderVolume; 
 
 public JSlider getjSliderVolume() {
 return jSliderVolume;
 }

 public void setjSliderVolume(JSlider jSliderVolume) {
 this.jSliderVolume = jSliderVolume;
 
 
 }
 public Player(JSlider jSliderVolume,JSlider jSliderPlayProgress) {
 super();
 this.jSliderVolume = jSliderVolume;
 this.jSliderPlayProgress=jSliderPlayProgress;
 }


 public Music getMusic() {
 return music;
 }

 public void setMusic(Music music) {
 this.music = music;
 }
 
 public FloatControl getVolume(){
 return volume;
 }

 
 
 //播放音樂
 public void run(){
 
 AudioInputStream in=null;
 
 try {
 
 File file = new File(music.getPath());
 
 //播放不了的歌曲，直接下一首,并且在音樂列表中刪除
 try {
  in = AudioSystem.getAudioInputStream(file);
 } catch (Exception e) {
 //刪除有點小問題
 MusicList.getList().remove(music.getId());
 
 ViewList.getList().get(0).getJt().setModel(new Model());
 
 
 nextmusic();
 }
 
 AudioFormat baseFormat = in.getFormat();
 AudioFormat decodedFormat = new AudioFormat(
  AudioFormat.Encoding.PCM_SIGNED,
  baseFormat.getSampleRate(), 16, baseFormat.getChannels(),
  baseFormat.getChannels() * 2, baseFormat.getSampleRate(),
  false);
 if(baseFormat.getEncoding()==AudioFormat.Encoding.PCM_UNSIGNED || baseFormat.getEncoding()==AudioFormat.Encoding.ULAW ||
  baseFormat.getEncoding()==AudioFormat.Encoding.ALAW || baseFormat.getEncoding()==AudioFormat.Encoding.PCM_SIGNED){
  time=(file.length()*8000000)/((int)(decodedFormat.getSampleRate()*baseFormat.getSampleSizeInBits()));
 }else{
  int bitrate=0;
  if(baseFormat.properties().get("bitrate")!=null){
  //取得播放速度(單位位每秒)
  bitrate=(int)((Integer)(baseFormat.properties().get("bitrate")));
  if(bitrate!=0)
  time=(file.length()*8000000)/bitrate;
  }
  
 }
 
 
 din = AudioSystem.getAudioInputStream(decodedFormat, in);
 DataLine.Info info = new DataLine.Info(SourceDataLine.class, decodedFormat);
 line = (SourceDataLine) AudioSystem.getLine(info);
 line.open();
 setVolume();
 jSliderPlayProgress.setMaximum((int)time);
 jSliderPlayProgress.setValue(0);
 if(line!=null){
 line.open(decodedFormat);
 byte[] data = new byte[4096];
 int nBytesRead;
 
 synchronized (lock) {
 while ((nBytesRead = din.read(data, 0, data.length)) != -1) {
  while (paused) {
  if(line.isRunning()) {
  line.stop();
  System.out.println("暫停");
  }
  try {
  lock.wait();
  System.out.println("等待");
  }
  catch(InterruptedException e) {
  }
  }
  if(!line.isRunning()&&!over) {
  System.out.println("開始播放");
  line.start();
  
  }
  
  if (over&&line.isRunning()) {
  System.out.println("停止播放");
  jSliderPlayProgress.setValue(0);
  isNext=false;
  line.drain();
  line.stop();
  line.close();
  }
  
  jSliderPlayProgress.setValue((int)line.getMicrosecondPosition());
  line.write(data, 0, nBytesRead);
 }
 
 //根據(jù)播放模式選擇下一首歌
 nextmusic();
 }
 
 }
 
 }
 catch(Exception e) {
 e.printStackTrace();
 }
 finally {
 if(din != null) {
 try { din.close(); } catch(IOException e) { }
 }
 }
 }
 
 //設(shè)置播放器滾動條
 public void setVolume()
 {
 if(line!=null)
 {
 if(line.isControlSupported(FloatControl.Type.MASTER_GAIN))
 {
 jSliderVolume.setEnabled(true);
 volume= (FloatControl)line.getControl( FloatControl.Type.MASTER_GAIN );
 jSliderVolume.setMinimum((int)volume.getMinimum());
 jSliderVolume.setMaximum((int)volume.getMaximum());
 //jSliderVolume.setValue((int)(volume.getMinimum()+(4*(volume.getMaximum()-volume.getMinimum()))/5));
 volume.setValue((float)(volume.getMinimum()+(4*(volume.getMaximum()-volume.getMinimum()))/5));
 }
 }
 else
 {
 volume=null;
 jSliderVolume.setEnabled(false);
 } 
 }
 private void nextmusic() {
 String mode=Setting.getMode();
 if (isNext&&!mode.equals("one")) {//單曲播放就不執(zhí)行
 int nextid=0;//將要播放的id
 int currentid=Integer.parseInt(this.music.getId());
 System.out.println(mode);
 if (mode.equals("default")&&(currentid==MusicList.getList().size()-1)){
 return;
 }
 
 if (mode.equals("rand")) {
  Random random = new Random();
  nextid=Math.abs(random.nextInt())%MusicList.getList().size();
 }else if (mode.equals("onecircle")) {
 nextid=currentid;
 }else if (mode.equals("default")&&!(currentid==MusicList.getList().size()-1)) {
  nextid=currentid+1;
 }else if (mode.equals("morecircle")) {
 
 nextid=(currentid==MusicList.getList().size()-1)?0:currentid+1;
 }
 JTable jTable=ViewList.getList().get(0).getJt();
 if(nextid==0){//第一個
 
 jTable.setRowSelectionInterval(0,0);
 
 }else {
  jTable.setRowSelectionInterval(nextid-1,nextid); 
 }
  this.stopplay();
  ThreadList.getList().clear();
  p=new Player(jSliderVolume,jSliderPlayProgress);
  p.setMusic(MusicList.getList().get(nextid));
  ThreadList.getList().add(p);
  p.start();
 }
 }
 


 //開始
 public void startplay(){
 over=false;
 }
 
 
 //停止
 
 public void stopplay(){
 over=true;
 }
 
 
 // 暫停
 public void userPressedPause() {
 paused = true;
 }
 
 //繼續(xù)
 public void userPressedPlay() {
 synchronized(lock) {
  paused = false;
  lock.notifyAll();
 }

 }
 
 public void Pause(){
 if (paused) {
 synchronized(lock) {
  paused = false;
  lock.notifyAll();
  }
 }else{
 paused = true;
 }
 
 }
 

 
 
}

package com.view;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URL;
import java.util.ArrayList;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRootPane;
import javax.swing.JScrollPane;
import javax.swing.JSlider;
import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.ScrollPaneConstants;
import javax.swing.SwingConstants;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.table.TableCellRenderer;



import com.list.MusicList;
import com.list.ThreadList;
import com.list.ViewList;
import com.model.Model;
import com.model.Music;
import com.service.Player;
import com.service.Setting;
import com.util.DirInput;
import com.util.FileInput;
import com.util.FileList;
import com.util.List_File;


public class View extends JFrame implements MouseListener,ActionListener,WindowListener {
 
 private JButton stop, open,del,next,pre;
 private Player p;
 private JPanel[] jPanels;
 private MusicList list;
 //private Long clickTime=0l;
 private JScrollPane jsp;
 private JTable jt;
 private JRootPane j;
 private Model model;
 private JSlider jSliderVolume;
 private JSlider jSliderPlayProgress;
 private FileInput fileinput;
 private DirInput dirInput;
 private JMenuBar jb;
 private JMenu jm;
 private JMenuItem fm,dm;
 private JComboBox jBox;
 
 
 public View(){
 System.out.println(ViewList.getList().size());
 if (ViewList.getList().size()==0) {
 Open();
 }
 }

 
 
 private void Open() {
 
 //this.getRootPane().setWindowDecorationStyle(JRootPane.NONE);
 
 
 //this.setUndecorated(true);
 //菜單選項
 
 jb=new JMenuBar();
 jm=new JMenu("打開");
 
 fm=new JMenuItem("文件");
 
 dm=new JMenuItem("文件夾");
 
 fm.addActionListener(this);
 dm.addActionListener(this);
 jb.add(jm);
 
 jm.add(fm);
 jm.add(dm);
 
 
 
 //this.setJMenuBar(jb);
 
 
 
 JPanel p1=new JPanel();
 JPanel p2=new JPanel();
 JPanel p3=new JPanel();
 
 //增加菜單選項
 j=new JRootPane();
 
 j.setJMenuBar(jb);
 
 
 p2.add(j);
 
 
 open=new JButton("播放");
 stop=new JButton("停止");
 open.addMouseListener(this);
 stop.addMouseListener(this);
 pre=new JButton("上一首");
 next=new JButton("下一首");
 pre.addMouseListener(this);
 next.addMouseListener(this);
 p1.setLayout(new GridLayout(2,1));
 
 JPanel jPanel2=new JPanel();
 
 jPanel2.add(open);
 jPanel2.add(stop);
 jPanel2.add(pre);
 jPanel2.add(next);
 
 p1.add(jPanel2);
 /*p1.add(open);
 p1.add(stop);
 p1.add(pre);
 p1.add(next);*/
 
 
 del=new JButton("刪除");
 del.addMouseListener(this);
 
 jSliderPlayProgress = new JSlider(); //播放進度條
 jSliderPlayProgress.setValue(0);
 jSliderPlayProgress.setEnabled(false);
 jSliderPlayProgress.setPreferredSize(new Dimension(200, 20));
 
 
 p1.add(jSliderPlayProgress);
 
 
 jSliderVolume = new JSlider(); //音量進度條
 jSliderVolume.setValue(0);
 //jSliderPlayProgress.setEnabled(false);
 jSliderVolume.setPreferredSize(new Dimension(100, 20));//設(shè)置滾動條長度
 
 
 
 jSliderVolume.addChangeListener(new ChangeListener()
 {
 public void stateChanged(ChangeEvent evt) 
 {
  System.out.println(jSliderVolume.getValue());
  if (ThreadList.getList().size()!=0) {
  ThreadList.getList().get(0).getVolume().setValue((float)jSliderVolume.getValue());
  }
  
  
 }
 });
 String[] v={"順序播放","隨機播放","單曲循環(huán)","列表循環(huán)","單曲播放"};
 
 jBox=new JComboBox(v);
 
 jBox.addActionListener(this);
 
 p2.add(jBox); 
 p2.add(del);
 
 
 p2.add(jSliderVolume);
 
 jPanels=new JPanel[list.getList().size()];
 
 for (int i = 0; i < list.getList().size(); i++) {
 
 Music music=list.getList().get(i);
 
 JPanel jPanel=new MyJPanel(music);
 
 
 JLabel jLabel=new JLabel(music.getName(),SwingConstants.CENTER);
 jLabel.setSize(300, 10);
 jLabel.setHorizontalTextPosition(JLabel.CENTER);
 
 jPanel.setBackground(Color.WHITE);
 
 jPanels[i]=jPanel;
 
 jPanel.addMouseListener(this);
 
 jPanel.add(jLabel);
 
 
 
 p3.add(jPanel);
 
 
 }
 
 
 p3.setBackground(Color.WHITE);
 
 p3.setLayout(new GridLayout(10, 1));
 
 p3.setSize(320, 500);
 
 
 this.add(p1,BorderLayout.NORTH);
 this.add(p2,BorderLayout.SOUTH);
 
 
 
 
 
 
 model=new Model(); //添加表
 
 jt=new JTable(model){ // 設(shè)置jtable的單元格為透明的
 public Component prepareRenderer(TableCellRenderer renderer,
  int row, int column) {
  Component c = super.prepareRenderer(renderer, row, column);
  if (c instanceof JComponent) {
  ((JComponent) c).setOpaque(false);
  }
  return c;
  }
  };;
  
 jt.setOpaque(false);
 
 jt.setRowHeight(30);
 jt.setSelectionMode(ListSelectionModel.SINGLE_SELECTION );
 jt.setShowHorizontalLines(false);
 jt.setSelectionBackground(new Color(189,215,238));
 jt.addMouseListener(this);
 
 jsp = new JScrollPane(jt);
 
 jsp.setOpaque(false);
 jsp.getViewport().setOpaque(false);
 
 
 //addmusic();
 
 //this.add(p3,BorderLayout.CENTER);
 
 this.add(jsp,BorderLayout.CENTER);
 
 
 this.setDefaultCloseOperation(EXIT_ON_CLOSE);
 
 this.addWindowListener(this);
 
 Image image=this.getToolkit().getImage("img/icon.jpg");
 
 this.setIconImage(image);
 
 this.setTitle("音樂播放器");
 
 ImageIcon icon = new ImageIcon("img/bg.jpg"); 
 JLabel lab = new JLabel(icon); // 將圖片放入到label中
 lab.setBounds(0, 0, icon.getIconWidth(), icon.getIconHeight()); // 設(shè)置放有圖片的label的位置
 
 this.getContentPane().add(lab, -1); // jthis本身是窗體，不能放置任何組件，用getContentPane()方法得到this的默認(rèn)內(nèi)容面板，將lab放入其中，-1表示放入面板的下層
 this.getContentPane().add(jsp, 0); // 0表示放在面板的最頂層
 Container con = this.getContentPane();
 ((JPanel)con).setOpaque(false); // 設(shè)置面板為透明的
 p2.setOpaque(false);
 jSliderVolume.setOpaque(false);
 jPanel2.setOpaque(false);
 p1.setOpaque(false);
 p3.setOpaque(false);
 jSliderPlayProgress.setOpaque(false);
 this.setLocation(400, 200);
 this.setSize(337, 525);
 this.setResizable(false);
 this.setVisible(true);
 }
 
 @Override
 public void mouseClicked(MouseEvent e) {
 
 System.out.println("開始播放");
 
 if (e.getSource()==open) {
 
 if (p==null) {//開始
 p=new Player(jSliderVolume,jSliderPlayProgress);
 p.setMusic(MusicList.getList().get(0));
 jt.setRowSelectionInterval(0,0);
 ThreadList.add(p);
 open.setText("暫停");
 p.start();
 }else{//繼續(xù)
 if (ThreadList.getList().size()!=0) {
  p=ThreadList.getList().get(0);
 }
 
 String s=p.isPaused()?"暫停":"播放";
 open.setText(s);
 p.Pause();
 }
 
 }else if (e.getSource()==stop) {
 if (ThreadList.getList().size()!=0) {
 p=ThreadList.getList().get(0);
 }
 if (p!=null) {
 p.stopplay();
 p=null;
 open.setText("播放");
 }
 
 
 }else if (e.getSource()==pre) {//上一首
 premusic();

 }else if (e.getSource()==next) {//下一首
 nextmusic();
 }else if (e.getSource()==del) {
 
 delmusic();
  
 }else if (e.getSource()==jt&&e.getClickCount()==2) {//雙擊
 
 clickmusic();
 
 
 
 }

 
 }

 private void clickmusic() {
 //雙擊Jtable
 System.out.println("點擊了");
 
 int rowNum = this.jt.getSelectedRow();
 System.out.println(rowNum);
 if(rowNum == -1) {
 JOptionPane.showMessageDialog(this, "你沒有選擇一項");
 return;
 }
 ArrayList<Player> list=ThreadList.getList();
 
 
 System.out.println(list.size()+"音樂文件數(shù)目");
 
 if (list.size()==0) {
 
 p=new Player(jSliderVolume,jSliderPlayProgress);
 p.setMusic(MusicList.getList().get(rowNum));
 ThreadList.add(p);
 open.setText("暫停");
 p.start();
 }else{
 System.out.println("停止");
 list.get(0).stopplay();
 list.clear();
 p=new Player(jSliderVolume,jSliderPlayProgress);
 p.setMusic(MusicList.getList().get(rowNum));
 open.setText("暫停");
 list.add(p);
 p.start();
 }
 }

 private void delmusic() {
 int rowNum = this.jt.getSelectedRow();
 
 
 MusicList.getList().remove(rowNum);
 
 System.out.println(MusicList.getList().size());
 
 jt.setModel(new Model());

 
 ArrayList<Player> list=ThreadList.getList();
 p=new Player(jSliderVolume,jSliderPlayProgress);
 System.out.println(list.size()+"大小");
 if (list.size()!=0) {
 list.get(0).stopplay();
 list.clear();
 open.setText("暫停");
 if(rowNum==0){//第一個
  System.out.println("第一個");
  jt.setRowSelectionInterval(0,0);
  p.setMusic(MusicList.getList().get(rowNum));
  
  
 }else if(rowNum==MusicList.getList().size()){//最后一個
  System.out.println("最后一個");
  
  jt.setRowSelectionInterval(rowNum-2,rowNum-1);
  p.setMusic(MusicList.getList().get(rowNum-1));
  
 }else {
  System.out.println("中間");
  
  jt.setRowSelectionInterval(rowNum-1,rowNum);
  p.setMusic(MusicList.getList().get(rowNum));
  
 }
  list.add(p);
  p.start();
 }
 }

 public JTable getJt() {
 return jt;
 }

 private void premusic() {
 System.out.println("上一首");
 
 ArrayList<Player> list=ThreadList.getList();
 
 int id=Integer.parseInt(list.get(0).getMusic().getId());
 
 if(id!=0){
 if (id==1) {
 jt.setRowSelectionInterval(0,0);
 }else{
 jt.setRowSelectionInterval(id-2,id-1);
 }
 System.out.println(id);
 
 list.get(0).stopplay();
 list.clear();
 
 p=new Player(jSliderVolume,jSliderPlayProgress);

 p.setMusic(MusicList.getList().get(id-1));
 System.out.println(id-1);
 
 open.setText("暫停");
 list.add(p);
 p.start();
 }
 }

 private void nextmusic() {
 System.out.println("下一首");
 ArrayList<Player> list=ThreadList.getList();
 int id=Integer.parseInt(list.get(0).getMusic().getId());
 
 System.out.println(id);
 if(id!=MusicList.getList().size()-1){ //122
 
 jt.setRowSelectionInterval(id,id+1); //123條
 
 list.get(0).stopplay();
 list.clear();
 
 p=new Player(jSliderVolume,jSliderPlayProgress);
 
 p.setMusic(MusicList.getList().get(id+1));
 System.out.println(id+1);
 
 open.setText("暫停");
 list.add(p);
 p.start();
}
 }
 //判斷雙擊
/* private boolean checkClickTime() {
 long nowTime = (new Date()).getTime();
 if ((nowTime - clickTime) < 300) {
 clickTime = nowTime;
 return true;
 }
 clickTime = nowTime;
 return false;
 }*/
 
 private void addmusic(String path) {//增加mp3文件夾
 
 System.out.println("增加mp3文件夾");
 ArrayList<Music> musiclist=MusicList.getList();
 
 List_File fm = new List_File();
 ArrayList<String[]> FileList = fm.serachFiles(path);
 
 for (int i = 0; i < FileList.size(); i++) {
 Music music= new Music();
  music.setId(musiclist.size()+"");
  String[] s=(String[]) FileList.get(i);
  
  music.setName(s[0]);
  music.setPath(s[1]);
 musiclist.add(music);
 }
 
 jt.setModel(new Model());
 
 }

 @Override
 public void mouseEntered(MouseEvent e) {
 // TODO Auto-generated method stub
 
 }

 @Override
 public void mouseExited(MouseEvent e) {
 // TODO Auto-generated method stub
 
 }

 @Override
 public void mousePressed(MouseEvent e) {
 // TODO Auto-generated method stub
 
 }

 @Override
 public void mouseReleased(MouseEvent e) {
 // TODO Auto-generated method stub
 
 }



 @Override
 public void actionPerformed(ActionEvent e) {
 if (e.getSource()==fm) {//添加mp3文件
 if(fileinput==null) fileinput = new FileInput(this);
 fileinput.open();
 File[] s=fileinput.getFiles();
 ArrayList<Music> musiclist=MusicList.getList();
 
 
 if(s!=null){
 for(int i=0;i<s.length;i++){
 Music music= new Music();
 music.setId(musiclist.size()+"");
 music.setName(s[i].getName());
 music.setPath(s[i].getAbsolutePath());
 musiclist.add(music);
 jt.setModel(new Model());
 }
 }
 }else if (e.getSource()==dm) {
 
 
 if(dirInput==null) dirInput = new DirInput(this);
 
 dirInput.open();
 
 File s=dirInput.getFile();
 
 
 if(s!=null){
  
  addmusic(s.getAbsolutePath());
 }
 
 
 
 }else if (e.getSource()==jBox) {
 //順序播放 (默認(rèn))default 隨機rand 單曲循環(huán) onecircle 列表循環(huán) morecircle 單曲播放 one 
 
 
 if (ThreadList.getList().size()!=0) {
 p=ThreadList.getList().get(0);
 }else {
 p=new Player(jSliderVolume,jSliderPlayProgress);
 ThreadList.getList().add(p);
 }
 
 String[] s={"default","rand","onecircle","morecircle","one"};
 
 Setting.setMode(s[jBox.getSelectedIndex()]);
 
 
 }
 }



 @Override
 public void windowActivated(WindowEvent e) {
 // TODO Auto-generated method stub
 
 }



 @Override
 public void windowClosed(WindowEvent e) {
 // TODO Auto-generated method stub
 System.out.println("關(guān)閉kk");
 }



 @Override
 public void windowClosing(WindowEvent e) {
 // TODO Auto-generated method stub
 System.out.println("close");
 
 if (MusicList.getList().size()!=0) {
 System.out.println("寫入文件");
 //清空之前的內(nèi)容
 FileList.clear("file/musiclist.txt");
 ArrayList<Music> list=MusicList.getList();
 for (int i = 0; i < list.size(); i++) {
 FileList.writeFile("file/musiclist.txt",list.get(i).getId()+","+list.get(i).getName()+","
  +list.get(i).getPath()+"\n");
 }
 
 }
 
 
 
 }


 @Override
 public void windowDeactivated(WindowEvent e) {
 // TODO Auto-generated method stub
 
 }


 @Override
 public void windowDeiconified(WindowEvent e) {
 // TODO Auto-generated method stub
 
 }


 @Override
 public void windowIconified(WindowEvent e) {
 // TODO Auto-generated method stub
 
 }


 @Override
 public void windowOpened(WindowEvent e) {
 // TODO Auto-generated method stub
 System.out.println("open");
 
 File file=new File("file/musiclist.txt");
 
 if (file.exists()==false) {
 try {
 file.createNewFile();
 } catch (IOException e1) {
 // TODO Auto-generated catch block
 e1.printStackTrace();
 }
 }else {


 FileList.readFileByLines("file/musiclist.txt");
 jt.setModel(new Model());
 }
 
 
 }

}