mediaplayer.java

基于JMF实现的MediaPlayer.

	if(controlComponent!=null)
	{
            upPanel.remove(controlComponent);
	}
    }
    private void doPlaySong(int fileIndex)
    {
        destroyOldPlayer();
        
            // index=fileList.getSelectedIndex();//从一开始
             String path=(String)vecPath.elementAt(fileIndex);
             String name=(String)vecName.elementAt(fileIndex);
             URL locator=null;
             try{
                    locator=new URL("file:"+path);
            }catch(MalformedURLException e)
             {
                System.out.println(e.getMessage());
             }
           try{
               player = Manager.createPlayer(locator);
             } catch (NoPlayerException e) {
                //System.out.println(e);
                //System.out.println(locator);
                int tempIndex=fileList.getSelectedIndex();
                if(tempIndex!=-1)
                {
                 String tempName=(String)vecName.elementAt(tempIndex);
                 tempName=tempName.substring(tempName.lastIndexOf(".")+1);
                 JOptionPane.showMessageDialog(null, "本播放器不支持"+tempName+"格式的文件,请下载相关插件!", "警告!",
                         JOptionPane.ERROR_MESSAGE); 
        
                }
             }
             catch(IOException e)
             {
                 //System.out.println(e);
                //System.out.println(locator);
                JOptionPane.showMessageDialog(null, "目标文件可能被删除或者是移走,请重新指定路径", "警告!",
                         JOptionPane.ERROR_MESSAGE);
	    }
         fileList.setSelectedIndex(fileIndex);
         setTitle(name);
         player.addControllerListener(this);
	if(player!=null)
            player.realize();  
    }
    private void fileListMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_fileListMouseClicked
// TODO 将在此处添加您的处理代码：      
        if(evt.getClickCount()==2)
        {
            index=fileList.getSelectedIndex();
            doPlaySong(index);
        }
    }//GEN-LAST:event_fileListMouseClicked

    private void playItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_playItemActionPerformed
// TODO 将在此处添加您的处理代码：
        //---------------------------------
       destroyOldPlayer();
       index=fileList.getSelectedIndex();
       doPlaySong(index);
    }//GEN-LAST:event_playItemActionPerformed

    private void customLookAndFeelActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_customLookAndFeelActionPerformed
// TODO 将在此处添加您的处理代码：
         try{
		UIManager.setLookAndFeel(new SyntheticaStandardLookAndFeel());
		SwingUtilities.updateComponentTreeUI(this);
		 }catch(Exception e){System.out.println(e.getMessage());}
         
    }//GEN-LAST:event_customLookAndFeelActionPerformed

    private void windowsClassicLookAndFeelActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_windowsClassicLookAndFeelActionPerformed
// TODO 将在此处添加您的处理代码：
         try{
		UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsClassicLookAndFeel");
		SwingUtilities.updateComponentTreeUI(this);
		 }catch(Exception e){System.out.println(e.getMessage());}
        
    }//GEN-LAST:event_windowsClassicLookAndFeelActionPerformed

    private void windowsLookAndFeelActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_windowsLookAndFeelActionPerformed
// TODO 将在此处添加您的处理代码：
          try{
		UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
		SwingUtilities.updateComponentTreeUI(this);
		 }catch(Exception e){System.out.println(e.getMessage());}
        
    }//GEN-LAST:event_windowsLookAndFeelActionPerformed

    private void MotifLookAndFeelActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_MotifLookAndFeelActionPerformed
// TODO 将在此处添加您的处理代码：
         try{
		UIManager.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel");
		SwingUtilities.updateComponentTreeUI(this);
		 }catch(Exception e){System.out.println(e.getMessage());}

    }//GEN-LAST:event_MotifLookAndFeelActionPerformed

    private void metalLookAndFeelActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_metalLookAndFeelActionPerformed
// TODO 将在此处添加您的处理代码：
         try{
		UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
		SwingUtilities.updateComponentTreeUI(this);
		 }catch(Exception e){System.out.println(e.getMessage());}
    }//GEN-LAST:event_metalLookAndFeelActionPerformed
    private void  btnGroupInit()
    {
        lookAndfeelBtnGroup=new ButtonGroup();
        lookAndfeelBtnGroup.add(metalLookAndFeel);
        lookAndfeelBtnGroup.add(MotifLookAndFeel);
        lookAndfeelBtnGroup.add(windowsLookAndFeel);
        lookAndfeelBtnGroup.add(windowsClassicLookAndFeel);
        lookAndfeelBtnGroup.add(customLookAndFeel);
    }
    private void  playerInit()
    {
        player=null;
    }
    private void getList(String infoName,Vector temp)
    {
        listFromfile=new ListFromFile(infoName);
        temp=listFromfile.getContent();
        if(temp!=null)
        {
            for(Object x:temp)
            {
                this.indexOfList++;
                MusicInfo tempMusic=(MusicInfo)x;
                vecName.add(tempMusic.getName());
                vecPath.add(tempMusic.getPath());
            }
        }
        else 
             JOptionPane.showMessageDialog(null, "初始列表失败!", "警告!", JOptionPane.INFORMATION_MESSAGE);
    }
    private void onTopCheckItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_onTopCheckItemActionPerformed
// TODO 将在此处添加您的处理代码：
        if(onTopCheckItem.getState())
            this.setAlwaysOnTop(true);
        else
            this.setAlwaysOnTop(false);
    }//GEN-LAST:event_onTopCheckItemActionPerformed

    private void aboutItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_aboutItemActionPerformed
// TODO 将在此处添加您的处理代码：
       dialog.setVisible(true);
    }//GEN-LAST:event_aboutItemActionPerformed

    private void dirItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_dirItemActionPerformed
// TODO 将在此处添加您的处理代码：
        openDir();
    }//GEN-LAST:event_dirItemActionPerformed

    private void openItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_openItemActionPerformed
// TODO 将在此处添加您的处理代码：
       openFile();
    }//GEN-LAST:event_openItemActionPerformed

    private void exitItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exitItemActionPerformed
// TODO 将在此处添加您的处理代码：
              int exi;
		exi=JOptionPane.showConfirmDialog(this,"确认退出吗?？","退出程序",JOptionPane.YES_NO_OPTION,
		JOptionPane.QUESTION_MESSAGE);
		if(exi==JOptionPane.YES_OPTION)
		{
                        tofile.save();
			System.exit(0);
		}	
		return;
    }//GEN-LAST:event_exitItemActionPerformed
    public  void controllerUpdate(ControllerEvent e) 
    {
        if(e instanceof RealizeCompleteEvent)
        {
           Component visualComponent=player.getVisualComponent();
	   if(visualComponent!=null)
		upPanel.add(visualComponent,BorderLayout.CENTER);
           else 
           {
               upPanel.remove(centerLabel);
               upPanel.add(temp,BorderLayout.CENTER);
           }
           Component controlComponent=player.getControlPanelComponent();
           if(controlComponent!=null)
               upPanel.add(controlComponent,BorderLayout.SOUTH);
           upPanel.updateUI(); 
          // SwingUtilities.updateComponentTreeUI(this);
          // this.pack();
           player.prefetch();
        }
        else if(e instanceof PrefetchCompleteEvent)
        {
            if(player!=null)
                 player.start();
        }
        else if(e instanceof EndOfMediaEvent)
        {
            //player.setMediaTime(new Time(0));
            //player.start();
            if(!Loop)
                index=(index+1)%vecPath.size();
            else
            {}
                doPlaySong(index);
        }
        else if(e instanceof ControllerClosedEvent)
        {
           destroyOldPlayer();
            // System.exit(0);
        }
    }
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
               MediaPlayer app= new MediaPlayer();
               app.setSize(300,600);
               app.setVisible(true);
            }
        });
    }
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.JRadioButtonMenuItem MotifLookAndFeel;
    private javax.swing.JMenuItem aboutItem;
    private javax.swing.JLabel centerLabel;
    private javax.swing.JRadioButtonMenuItem customLookAndFeel;
    private javax.swing.JMenuItem delAllItem;
    private javax.swing.JMenuItem delItem;
    private javax.swing.JMenuItem dirItem;
    private javax.swing.JPanel downPanel;
    private javax.swing.JMenu editItem;
    private javax.swing.JMenuItem exitItem;
    private javax.swing.JList fileList;
    private javax.swing.JMenu fileMenu;
    private javax.swing.JMenuItem getPathItem;
    private javax.swing.JMenuItem helpItem;
    private javax.swing.JMenu helpMenu;
    private javax.swing.JMenuBar jMenuBar1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JSeparator jSeparator1;
    private javax.swing.JMenuItem loopItem;
    private javax.swing.JPopupMenu mPop;
    private javax.swing.JRadioButtonMenuItem metalLookAndFeel;
    private javax.swing.JCheckBoxMenuItem onTopCheckItem;
    private javax.swing.JMenuItem openDirItem;
    private javax.swing.JMenuItem openFileItem;
    private javax.swing.JMenuItem openItem;
    private javax.swing.JMenu operationMenu;
    private javax.swing.JMenuItem playItem;
    private javax.swing.JMenuItem saveItem;
    private javax.swing.JLabel showLabel;
    private javax.swing.JMenuItem stopItem;
    private javax.swing.JPanel upPanel;
    private javax.swing.JRadioButtonMenuItem windowsClassicLookAndFeel;
    private javax.swing.JRadioButtonMenuItem windowsLookAndFeel;
    // 变量声明结束//GEN-END:variables
    
}