import java.applet.Applet;
import java.awt.event.*;
import java.awt.*;
import java.io.*;
import javax.sound.midi.*;
import java.util.Date;
import java.util.StringTokenizer;

public class Klaver1 extends Applet implements KeyListener{
    
    
    BufferedReader klaviatuur=new BufferedReader(
      new InputStreamReader(System.in)
    );
	    
    
    Sequence sequence;
    Track track;
    ShortMessage kinnic;
    ShortMessage lahtic;
    ShortMessage kinnicis;
    ShortMessage lahticis;
    
    ShortMessage kinnid;    
    ShortMessage lahtid;
    ShortMessage kinnidis;
    ShortMessage lahtidis;
        
    ShortMessage kinnie;
    ShortMessage lahtie;
    
	 ShortMessage kinnif;
    ShortMessage lahtif;
	 ShortMessage kinnifis;
    ShortMessage lahtifis;
    
	 ShortMessage kinnig;
    ShortMessage lahtig;
    ShortMessage kinnigis;
    ShortMessage lahtigis;
        
    ShortMessage kinnia;
    ShortMessage lahtia;
    ShortMessage kinniais;
    ShortMessage lahtiais;
        
    ShortMessage kinnih;
    ShortMessage lahtih;
	 
	 ShortMessage kinnic1;
    ShortMessage lahtic1;

  MidiChannel kanal;
  int valjus=93;
  int C=60;
  int CIS=61;
  int D=62;
  int DIS=63;
  int E=64;
  int F=65;
  int FIS=66;
  int G=67;
  int GIS=68;
  int A=69;
  int AIS=70;
  int H=71;
  int C1=72;
  long algaeg=new Date().getTime();


  public Klaver1(){
   
   try{
    sequence=new Sequence(Sequence.PPQ, 4);
	 sequence.createTrack();
	 track=sequence.createTrack();



  			ShortMessage lahti = new ShortMessage();
         ShortMessage kinni = new ShortMessage();
         ShortMessage algus = new ShortMessage();
         algus.setMessage(ShortMessage.PROGRAM_CHANGE, 0, 16, 0);
    		track.add(new MidiEvent(algus, 0));
         
         lahtic = new ShortMessage();
         kinnic = new ShortMessage();
         lahtic.setMessage(ShortMessage.NOTE_ON, 0, C, 93);
         kinnic.setMessage(ShortMessage.NOTE_OFF, 0, C, 93);
         
         lahticis = new ShortMessage();
         kinnicis = new ShortMessage();
         lahticis.setMessage(ShortMessage.NOTE_ON, 0, CIS, 93);
         kinnicis.setMessage(ShortMessage.NOTE_OFF, 0, CIS, 93);

         
         lahtid = new ShortMessage();
         kinnid = new ShortMessage();
         lahtid.setMessage(ShortMessage.NOTE_ON,0, D, 93); 
         kinnid.setMessage(ShortMessage.NOTE_OFF, 0, D, 93);
         
         lahtidis = new ShortMessage();
         kinnidis = new ShortMessage();
         lahtidis.setMessage(ShortMessage.NOTE_ON, 0, DIS, 93); 
         kinnidis.setMessage(ShortMessage.NOTE_OFF, 0, DIS, 93);

         
         lahtie = new ShortMessage();
         kinnie = new ShortMessage();
         lahtie.setMessage(ShortMessage.NOTE_ON, 0, E, 93); 
         kinnie.setMessage(ShortMessage.NOTE_OFF, 0, E, 93);
         
         lahtif = new ShortMessage();
         kinnif = new ShortMessage();
         lahtif.setMessage(ShortMessage.NOTE_ON, 0, F, 93); 
         kinnif.setMessage(ShortMessage.NOTE_OFF, 0, F, 93);
         
         lahtifis = new ShortMessage();
         kinnifis = new ShortMessage();
         lahtifis.setMessage(ShortMessage.NOTE_ON, 0, FIS, 93); 
         kinnifis.setMessage(ShortMessage.NOTE_OFF, 0, FIS, 93);

         
         lahtig = new ShortMessage();
         kinnig = new ShortMessage();
         lahtig.setMessage(ShortMessage.NOTE_ON, 0, G, 93); 
         kinnig.setMessage(ShortMessage.NOTE_OFF, 0, G, 93);

			lahtigis = new ShortMessage();
         kinnigis = new ShortMessage();
         lahtigis.setMessage(ShortMessage.NOTE_ON, 0, GIS, 93); 
         kinnigis.setMessage(ShortMessage.NOTE_OFF, 0, GIS, 93);
         
         lahtia = new ShortMessage();
         kinnia = new ShortMessage();
         lahtia.setMessage(ShortMessage.NOTE_ON, 0, A, 93); 
         kinnia.setMessage(ShortMessage.NOTE_OFF, 0, A, 93);

			lahtiais = new ShortMessage();
         kinniais = new ShortMessage();
         lahtiais.setMessage(ShortMessage.NOTE_ON, 0, AIS, 93); 
         kinniais.setMessage(ShortMessage.NOTE_OFF, 0, AIS, 93);
         
         lahtih = new ShortMessage();
         kinnih = new ShortMessage();
         lahtih.setMessage(ShortMessage.NOTE_ON, 0, H, 93); 
         kinnih.setMessage(ShortMessage.NOTE_OFF, 0, H, 93);
         
         lahtic1 = new ShortMessage();
         kinnic1 = new ShortMessage();
         lahtic1.setMessage(ShortMessage.NOTE_ON, 0, C1, 93); 
         kinnic1.setMessage(ShortMessage.NOTE_OFF, 0, C1, 93);




  	 Synthesizer synthesizer=MidiSystem.getSynthesizer();
    synthesizer.open();
    kanal=synthesizer.getChannels()[0]; //kanal 0;
    init();
   }catch(Exception viga){
     viga.printStackTrace();
   }
  }
  public void init(){
    addKeyListener(this);
    requestFocus();
  }
  public void paint(Graphics g){
     Image pilt=Toolkit.getDefaultToolkit().getImage("Klaver.jpg");
     g.drawImage(pilt, 0, 50, this);
  }

  public void keyPressed(KeyEvent e){
   try{
    int kood=e.getKeyCode();
    long vajutusaeg=new Date().getTime();
    System.out.println(vajutusaeg-algaeg);
    
    
    if(kood==KeyEvent.VK_C){
       kanal.noteOn(C, valjus);
       track.add(new MidiEvent(lahtic, (vajutusaeg-algaeg)/100));
    }
    
    if(kood==KeyEvent.VK_1){
       kanal.noteOn(CIS, valjus);
       track.add(new MidiEvent(lahticis, (vajutusaeg-algaeg)/100));
    }
    
    if(kood==KeyEvent.VK_D){
    	 kanal.noteOn(D, valjus);
	    track.add(new MidiEvent(lahtid, (vajutusaeg-algaeg)/100));
 	 }
	     
    if(kood==KeyEvent.VK_2){
       kanal.noteOn(DIS, valjus);
       track.add(new MidiEvent(lahtidis, (vajutusaeg-algaeg)/100));
    }

	 if(kood==KeyEvent.VK_E){
       kanal.noteOn(E, valjus);
       track.add(new MidiEvent(lahtie, (vajutusaeg-algaeg)/100));
    }
	  if(kood==KeyEvent.VK_F){
       kanal.noteOn(F, valjus);
       track.add(new MidiEvent(lahtif, (vajutusaeg-algaeg)/100));
    }

	 if(kood==KeyEvent.VK_3){
       kanal.noteOn(FIS, valjus);
       track.add(new MidiEvent(lahtifis, (vajutusaeg-algaeg)/100));
    }
	 
	  if(kood==KeyEvent.VK_G){
       kanal.noteOn(G, valjus);
       track.add(new MidiEvent(lahtig, (vajutusaeg-algaeg)/100));
    }
	 
	 if(kood==KeyEvent.VK_4){
       kanal.noteOn(GIS, valjus);
       track.add(new MidiEvent(lahtigis, (vajutusaeg-algaeg)/100));
    }
	 
	 if(kood==KeyEvent.VK_A){
       kanal.noteOn(A, valjus);
       track.add(new MidiEvent(lahtia, (vajutusaeg-algaeg)/100));
    }
	 
	 if(kood==KeyEvent.VK_5){
       kanal.noteOn(AIS, valjus);
       track.add(new MidiEvent(lahtiais, (vajutusaeg-algaeg)/100));
    }
	 
		 
	 if(kood==KeyEvent.VK_H){
       kanal.noteOn(H, valjus);
       track.add(new MidiEvent(lahtih, (vajutusaeg-algaeg)/100));
    }
	 
	 if(kood==KeyEvent.VK_6){
       kanal.noteOn(C1, valjus);
       track.add(new MidiEvent(lahtic1, (vajutusaeg-algaeg)/100));
    }
   String sisestus="";
    if(kood==KeyEvent.VK_U){
     try{
    System.out.println("Sisesta muusikafaili nimi, kuhu salvestan:");
    sisestus=klaviatuur.readLine();
	 }catch(Exception viga){
     viga.printStackTrace();
   }
   

     try{
       Sequencer sequencer=MidiSystem.getSequencer();
       sequencer.open();
       sequencer.setSequence(sequence);
       sequencer.start();
       FileOutputStream fos;
           MidiSystem.write(sequence, 1, fos=new FileOutputStream(sisestus));
           fos.close();

     }catch(Exception viga){
       viga.printStackTrace();
     } 
    } 
     }catch(Exception probleem){
       probleem.printStackTrace();
     }
    


    repaint();
  }
    public void keyReleased(KeyEvent e){
   try{
    int kood=e.getKeyCode();
    long vajutusaeg=new Date().getTime();

       //  ShortMessage lahtic = new ShortMessage();
       //  ShortMessage kinnic = new ShortMessage();
       //  lahtic.setMessage(ShortMessage.NOTE_ON, 0, 65, 93);    // 0 kanal, 65 noot, 93 valjus
       //  kinnic.setMessage(ShortMessage.NOTE_OFF, 0, 60, 93);


    if(kood==KeyEvent.VK_C){
       kanal.noteOff(C);
       System.out.println(track);
       track.add(new MidiEvent(kinnic, (vajutusaeg-algaeg)/100));
    }
    
    if(kood==KeyEvent.VK_1){
       kanal.noteOff(CIS);
       System.out.println(track);
       track.add(new MidiEvent(kinnicis, (vajutusaeg-algaeg)/100));
    }

            
    if(kood==KeyEvent.VK_D){
       kanal.noteOff(D);
       System.out.println(track);
       track.add(new MidiEvent(kinnid, (vajutusaeg-algaeg)/100));
    }
	
	if(kood==KeyEvent.VK_2){
       kanal.noteOff(DIS);
       System.out.println(track);
       track.add(new MidiEvent(kinnidis, (vajutusaeg-algaeg)/100));
    }

	if(kood==KeyEvent.VK_E){
       kanal.noteOff(E);
       System.out.println(track);
       track.add(new MidiEvent(kinnie, (vajutusaeg-algaeg)/100));
    }

	if(kood==KeyEvent.VK_F){
       kanal.noteOff(F);
       System.out.println(track);
       track.add(new MidiEvent(kinnif, (vajutusaeg-algaeg)/100));
    }
    
    if(kood==KeyEvent.VK_3){
       kanal.noteOff(FIS);
       System.out.println(track);
       track.add(new MidiEvent(kinnifis, (vajutusaeg-algaeg)/100));
    }


	if(kood==KeyEvent.VK_G){
       kanal.noteOff(G);
       System.out.println(track);
       track.add(new MidiEvent(kinnig, (vajutusaeg-algaeg)/100));
    }

if(kood==KeyEvent.VK_4){
       kanal.noteOff(GIS);
       System.out.println(track);
       track.add(new MidiEvent(kinnigis, (vajutusaeg-algaeg)/100));
    }


	if(kood==KeyEvent.VK_A){
       kanal.noteOff(A);
       System.out.println(track);
       track.add(new MidiEvent(kinnia, (vajutusaeg-algaeg)/100));
    }
	
	if(kood==KeyEvent.VK_5){
       kanal.noteOff(AIS);
       System.out.println(track);
       track.add(new MidiEvent(kinniais, (vajutusaeg-algaeg)/100));
    }

	if(kood==KeyEvent.VK_H){
       kanal.noteOff(H);
       System.out.println(track);
       track.add(new MidiEvent(kinnih, (vajutusaeg-algaeg)/100));
    }
	
   if(kood==KeyEvent.VK_6){
       kanal.noteOff(C1);
       System.out.println(track);
       track.add(new MidiEvent(kinnic1, (vajutusaeg-algaeg)/100));
    }
     
   }catch(Exception viga){
     viga.printStackTrace();
   }
  kanal.noteOff(D);
  kanal.noteOff(E);
  kanal.noteOff(F);
  kanal.noteOff(G);
  kanal.noteOff(A);
  kanal.noteOff(H);
  kanal.noteOff(CIS);
  kanal.noteOff(DIS);
  kanal.noteOff(GIS);
  kanal.noteOff(AIS);
  kanal.noteOff(FIS);
  kanal.noteOff(C1);




  }
  
  public void keyTyped(KeyEvent e){}
   	public static void main (String argumendid[]){
	   Frame f=new Frame();
     f.add(new Klaver1());
     f.setSize(670, 500);
     f.setVisible(true);
}
}