import java.util.Enumeration;
import java.util.Vector;
import com.nttdocomo.io.ConnectionException;
import com.nttdocomo.ui.*;
import com.nttdocomo.util.Timer;
import com.nttdocomo.util.TimerListener;

public class MelodyPlayer extends IApplication
    implements ComponentListener,SoftKeyListener,TimerListener,MediaListener
{
	private final static String[] SOUND_FILE=
	    {"c","d","e","f","g","a","b"};
	private final static String[][] SOUND_TABLE=
	    {{"ド","ど"},{"レ","れ"},{"ミ","み"},{"ファ","ふぁ"},
	     {"ソ","そ"},{"ラ","ら"},{"シ","し"}};

	private Panel panel;
	private ImageLabel title;
	private TextBox melody;
	private Button play;
	private VisualPresenter animation;

	private AudioPresenter sound;
	private MediaSound[] mediaSounds;
	private Timer timer;
	private String melodyString;

	private Vector media;

	// 初期化

	public MelodyPlayer()
	{
		media=new Vector();
		
		title=new ImageLabel(loadImage("/title.gif").getImage());
		melody=new TextBox("",13,3,TextBox.DISPLAY_ANY);
		play=new Button("演奏");
		animation=new VisualPresenter();
		animation.setImage(loadImage("/animation.gif"));
		
		panel=new Panel();
		panel.add(title);
		panel.add(new Label("\ue6ff楽譜",Label.LEFT));
		panel.add(melody);
		panel.add(play);
		panel.add(animation);
		panel.setComponentListener(this);
		panel.setSoftLabel(Panel.SOFT_KEY_1,"終了");
		panel.setSoftKeyListener(this);
		Display.setCurrent(panel);
		
		mediaSounds=new MediaSound[SOUND_FILE.length];
		for (int i=0;i<=mediaSounds.length-1;i++)
		{
			// 実機で実行する時は .mld ファイルを使う
			// mediaSounds[i]=loadSound("/"+SOUND_FILE[i]+".mld");
			mediaSounds[i]=loadSound("/"+SOUND_FILE[i]+".mid");
		}
		sound=AudioPresenter.getAudioPresenter();
		sound.setSound(mediaSounds[0]);
		sound.setMediaListener(this);
	}

	private MediaSound loadSound(String file)
	{
		MediaSound mediaSound;
	
		mediaSound=MediaManager.getSound("resource://"+file);
		media.addElement(mediaSound);
		try {
			mediaSound.use();
		}
		catch (ConnectionException e)
		{
			e.printStackTrace();
		}
		return mediaSound;
	}

	private MediaImage loadImage(String file)
	{
		MediaImage mediaImage;
	
		mediaImage=MediaManager.getImage("resource://"+file);
		media.addElement(mediaImage);
		try {
			mediaImage.use();
		}
		catch (ConnectionException e)
		{
			e.printStackTrace();
		}
		return mediaImage;
	}

	// 開始

	public void start()
	{
		PhoneSystem.setAttribute(
		    PhoneSystem.DEV_BACKLIGHT,PhoneSystem.ATTR_BACKLIGHT_ON);
		
		melodyString="";
		
		timer=new Timer();
		timer.setListener(this);
		timer.setRepeat(true);
		timer.setTime(1000);
		timer.start();
	}

	// 定期処理

	public void timerExpired(Timer source)
	{
		int note,skip;
	
		if (melodyString.length()==0) return;
		
		note=-1;
		skip=1;
		for (int i=0;i<=SOUND_TABLE.length-1;i++)
		{
			for (int j=0;j<=SOUND_TABLE[i].length-1;j++)
			{
				if (melodyString.startsWith(SOUND_TABLE[i][j]))
				{
					note=i;
					skip=SOUND_TABLE[i][j].length();
				}
			}
		}
		melodyString=melodyString.substring(skip);
		
		sound.stop();
		if (note!=-1)
		{
			sound.setSound(mediaSounds[note]);
			sound.play();
		}
	}

	// イベント

	public void componentAction(Component source,int type,int param)
	{
		if (source==play && type==ComponentListener.BUTTON_PRESSED)
		{
			melodyString=melody.getText();
		}
	}

	public void mediaAction(MediaPresenter source,int type,int param)
	{
		if (source==sound && type==AudioPresenter.AUDIO_PLAYING)
		{
			animation.play();
		}
		else if (source==sound && type==AudioPresenter.AUDIO_COMPLETE)
		{
			animation.stop();
		}
	}

	public void softKeyPressed(int softKey)
	{
		if (softKey==Panel.SOFT_KEY_1)
		{
			exit();
		}
	}

	public void softKeyReleased(int softKey)
	{
	}

	// 終了

	private void exit()
	{
		MediaResource resource;
	
		timer.stop();
		timer.dispose();
		for (Enumeration enum=media.elements();enum.hasMoreElements();)
		{
			resource=(MediaResource)(enum.nextElement());
			resource.unuse();
			resource.dispose();
		}
		
		terminate();
	}
}