/*  octobre 06  new fev 08
 * @(#)Graph.java	1.9 99/08/04 
 * MODIFS PYL juillet Aout 2005!!!!!!!!!!
 * www.lmm.jussieu.fr/~lagree
 + py@cccr.jussieu.fr
 *
 * This software is  designed and intended for use in on-line control of
 * aircraft, air traffic, aircraft navigation or aircraft communications; or in
 * the design, construction, operation or maintenance of any nuclear facility.
 */
//javac guiOnde2D.java Kul.java kolor.java  ;java guiOnde2D  
//javac guiOnde2D.java Kul.java kolor.java  ;open index.html  

import java.util.*;
import java.awt.*;
import java.applet.Applet;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;

 
class GraphPanel extends Panel
    implements Runnable, MouseListener {
    guiOnde2D graph;
	Kul kkul=new Kul();
    public double dt0=0.0001;
   
	Thread relaxer;
	
	public GraphPanel (){
	}

    GraphPanel(guiOnde2D graph) {
	this.graph = graph;
	addMouseListener(this);
    }

    void initout() {
    System.out.println("init t=" + kkul.t +" ....................... dt     =" +dt0);
	kkul.start();
	}
	
 
	 
	 	public void sauveparam()
    {   String texte = "#OK a poursuivre!";  
	    System.out.println("sauf" );
        try{
            FileOutputStream filename= new FileOutputStream("xyz.dat");
            PrintStream ffile = new PrintStream(filename);
			for (int i = 0; i <= kkul.n; i++) {
			for (int j = 0; j <= kkul.n; j++) {
                 ffile.println(i*kkul.dx + " "+ j*kkul.dx + " " + kkul.T[i][j]);
				 }
				  ffile.println(" " );}
			FileOutputStream filenameF= new FileOutputStream("xy.dat");
            PrintStream ffileF = new PrintStream(filenameF);
			for (int i = 0; i <= kkul.n; i++) { 
                 ffileF.println(i*kkul.dx + "  " + kkul.T[i][0] + " " + (kkul.T[i][1]-kkul.T[i][0])/kkul.dy);
				 }  	  
        }
        catch (IOException Ex)
        {System.out.println(Ex.getMessage());}
    } 

    public void run() {
        Thread me = Thread.currentThread();
	while (relaxer == me) {
	    relax();
	    try {
		Thread.sleep(100);
	    } catch (InterruptedException e) {
		break;
	    }
	}
    }

    synchronized void relax() {
	repaint();
    }

    
    Image offscreen;
    Dimension offscreensize;
    Graphics offgraphics;
 

    public synchronized void update(Graphics g) {
	    
      Dimension d = getSize();
      if ((offscreen == null) || (d.width != offscreensize.width) || (d.height != offscreensize.height)) {
	    offscreen = createImage(d.width, d.height);
	    offscreensize = d;
	    if (offgraphics != null) {
	        offgraphics.dispose();
	    }
	    offgraphics = offscreen.getGraphics();
	    offgraphics.setFont(getFont());
	}

	offgraphics.setColor(getBackground());
	offgraphics.fillRect(0, 0, d.width, d.height);
	offgraphics.setColor(Color.black) ;
	offgraphics.drawLine(d.width/10,  d.height*9/10,(9*d.width)/10 ,  d.height*9/10);
	offgraphics.drawLine(d.width/10,  d.height*9/10,d.width/10 , d.height/10);
	offgraphics.drawLine((9*d.width)/10,  d.height*9/10,(9*d.width)/10 , d.height*1/10);
	offgraphics.drawLine(d.width/10,  d.height*1/10,(9*d.width)/10, d.height*1/10);
	offgraphics.drawString("x " , ((int)( 9.5*d.width/10)), ((int) (d.height*9.5/10)));
	//offgraphics.drawString("T(x,y,t="+(((int)(kkul.t*1000))/1000.)+")",  d.width/11, d.height/11);	
	offgraphics.setColor(Color.red) ;
	for (int i = 1 ; i <= kkul.n ; i++) {
	//    offgraphics.drawLine(d.width/4+(i-1)*d.width/kkul.n/2, d.height*8/10-(int)(d.height*kkul.T[i-1]/2),
	//	                     d.width/4+   i* d.width/kkul.n/2, d.height*8/10-(int)(d.height*kkul.T[ i ]/2));
	}
	double Tmin=0;
	double Tmax=0;
	for (int i = 0 ; i <= kkul.n ; i++) {
	for (int j = 0 ; j <= kkul.n ; j++) {
	if(kkul.T[i][j]>Tmax)Tmax=kkul.T[i][j];
	if(kkul.T[i][j]<Tmin)Tmin=kkul.T[i][j];
	}}
	//Tmax=2;
	//Tmin=-Tmax;
	for (int i = 0 ; i <= kkul.n ; i++) {
	for (int j = 0 ; j <= kkul.n ; j++) {
    offgraphics.setColor(kolor.code(((kkul.T[i][j]-Tmin)/(Tmax-Tmin))));	 
	offgraphics.fillRect(d.width/10+(i)*d.width/kkul.n*8/10, d.height*9/10-(int)(j*d.height*8/(kkul.n*10)),
		                          (1+d.width*8/(kkul.n*10)), (1+ d.height*8/(kkul.n*10)));					 
	}}
	offgraphics.setColor(Color.black) ;
	offgraphics.drawLine(d.width/10,  d.height*9/10,(9*d.width)/10 ,  d.height*9/10);
	offgraphics.drawLine(d.width/10,  d.height*9/10,d.width/10 , d.height/10);
	offgraphics.drawLine((9*d.width)/10,  d.height*9/10,(9*d.width)/10 , d.height*1/10);
	offgraphics.drawLine(d.width/10,  d.height*1/10,(9*d.width)/10, d.height*1/10);
	offgraphics.drawString("x " , ((int)( 9.5*d.width/10)), ((int) (d.height*9.5/10)));
	//offgraphics.drawString("T(x,y,t="+(((int)(kkul.t*1000))/1000.)+")",  d.width/11, d.height/11);
	
	offgraphics.drawString("Resolution de l'equation des ondes (le d'Alembertien!) par PYL Saute Mouton",  d.width/11, d.height/11);	
	g.drawImage(offscreen, 0, 0, null);
    
  



    }
    //1.1 event handling
    public void mouseClicked(MouseEvent e) {}
    public void mousePressed(MouseEvent e) {
  
	if((e.getX()>getSize().width/10)&&(e.getX()<9*getSize().width/10)){
		int i=(e.getX()-getSize().width/10 )*kkul.n*5/4/(getSize().width);
		int j=(e.getY()-getSize().height/10)*kkul.n*5/4/(getSize().height);
		
		for (int ip = -2 ; ip <= 2 ; ip++) {
	    for (int jp =  -2 ; jp <= 2 ; jp++) {
	    kkul.T[i+ip][ kkul.n-j+jp]=1;
	    kkul.To[i+ip][ kkul.n-j+jp]=1;
	    if(kkul.doublet){
	    kkul.T[i+ip][ kkul.n-j+jp-4]=-1;
	    kkul.To[i+ip][ kkul.n-j+jp-4]=-1;}
	    
	    }} 
	    	    
	    System.out.println("pressed "+i+ "  " + j);
		System.out.println("pressed "+e.getX()+" "+e.getY()+" " + kkul.n);}}
 
    public void mouseReleased(MouseEvent e){}
    public void mouseEntered(MouseEvent e) {}
    public void mouseExited(MouseEvent e)  {}
    public void mouseDragged(MouseEvent e) {}
    public void mouseMoved(MouseEvent e)   {}
	
    public void start() {
	relaxer = new Thread(this);
	relaxer.start();
	}

    public void stop() {
	relaxer = null;
    }

}
 
public class guiOnde2D extends Applet  implements ActionListener, ItemListener {
    
    GraphPanel panel;
    Panel controlPanel;
    
	JButton raz    = new JButton("RAZ"); 
    JButton calcul = new JButton("Calcul");
    JButton pause  = new JButton("Pause");
	JButton kit = new JButton("Quitte");
	//JSlider sliderR = new JSlider(JSlider.HORIZONTAL, 0, 250, 180);
	
    JLabel lab = new JLabel("<html><font size=\"10\" color=\"red\">gros coucou rouge</font><br><b>et ligne en italique gras<i></b></i></html>  ", JLabel.CENTER) ; 
	JTextField saizie= new JTextField ("0.00010"); 
	Choice choix = new Choice();
	JLabel labo = new JLabel("                   ", JLabel.CENTER) ; 
	JTextField saizio= new JTextField ("0.000");

    public void init() {
    	
    	
    
		
	setLayout(new BorderLayout()); 
	panel = new GraphPanel(this);
	add("Center", panel);
	
	 
	controlPanel = new Panel();
	add("South", controlPanel);
    //controlPanel.add(sliderR);
    controlPanel.add(lab) ;   lab.setText("  dt=   ") ;
	controlPanel.add(saizie);
	 raz.setLocation(10,10);raz.setSize(220,23); controlPanel.add(raz);  raz.addActionListener(this);
	controlPanel.add(calcul); calcul.addActionListener(this);
	controlPanel.add(pause);  pause.addActionListener(this);
	String champ=" ....";
	controlPanel.add(labo) ;  labo.setText(champ) ;
    controlPanel.add(saizio);
	controlPanel.add(new JLabel(" ", Label.RIGHT));       
        choix.addItemListener(this);
        controlPanel.add(choix);
        choix.addItem("doublet");//0
        choix.addItem("source"); 
		choix.addItem("bouge"); 
        choix.addItem("no");//3
        choix.addItem("non");//4
        choix.addItem("niet");
        choix.addItem("nein");
	controlPanel.add(kit);    kit.addActionListener(this);
	panel.initout();
	razz();	
	
	}

    public void destroy() {
        remove(panel);
        remove(controlPanel);
    }

    public void start() {
	 
	panel.start();
	}
	

    public void stop() {
	panel.stop();
    }
	
	
	public void razz() {
	 panel.kkul.prems();
	 	 synchronized (panel.kkul) {
		 panel.kkul.pleaseWait = true;}
	 change_it(); 
	 System.out.println("Init" );
	     }

    public void actionPerformed(ActionEvent e) {
		Object src = e.getSource();
	if (src == raz) { 
	    razz(); 
    	System.out.println("RAZ, t=" + panel.kkul.t);
	    return;
	}
	
	if (src == calcul) { 
	    String ch=saizie.getText();
		double z =Double.parseDouble(ch);  
	    System.out.println("calcul, t=" + panel.kkul.t + "................dt =" + z );
	    panel.kkul.setdt(z);  
	    change_it();
		
        synchronized (panel.kkul) {
            panel.kkul.pleaseWait = false;
            panel.kkul.notify();}
		return;
	}

	if (src == pause) {
		 synchronized (panel.kkul) {
		 panel.kkul.pleaseWait = true;}
		 panel.sauveparam(); 
	    	}
	if (src == kit) {
		  destroy(); 
		  System.out.println("kenavo"); 
		  System.exit(0) ;
	    	}		
    }

    public void itemStateChanged(ItemEvent e) {
	 change_it();
	    }

   public void change_it(){
   int ined=choix.getSelectedIndex(); 
	String ch=saizie.getText();
	double z =Double.parseDouble(ch); 
    ch=saizio.getText();
	z =Double.parseDouble(ch); 
	System.out.println("param  " +  z  );
		
	if (ined==0 ){panel.kkul.cl0000(); labo.setText("V=") ;}
	if (ined==1 ){panel.kkul.cl1000(); labo.setText("V=") ;}
	if (ined==2 ){panel.kkul.cl0100();
	panel.kkul.vitesse=z; labo.setText("V=") ;
	System.out.println("calcul, V=" + panel.kkul.vitesse + "................dt =" + z );
	}
//	if (ined==3 ){panel.kkul.cl0010(); labo.setText("T imp....") ;}	
//	if (ined==4 ){panel.kkul.omega=z;panel.kkul.clt0(); labo.setText("omega=   ");}
//	if (ined==5){panel.kkul.Bi=z;   panel.kkul.clB1(); labo.setText("Bi=    ") ;}
//	if (ined==6){panel.kkul.Bi=z;   panel.kkul.clBqs(); labo.setText("Bi=    ") ;}
   }
   
	
///////////////////////////////////////////////////////////
	public static void main(String args[]) {
	Frame f = new Frame("guiOnde Explicite  d'Alembertien Saute Mouton par PYL");
	guiOnde2D guiOnde2D = new guiOnde2D();
	//System.out.println(args[]);

	guiOnde2D.init();
	guiOnde2D.start();
	
	f.add("Center", guiOnde2D);
	f.setSize(900,1000);
	f.setLocation(200, 10);
	f.show();
    }

    public String getAppletInfo() {
        return "Calcul interactif par PYL. \n 'java guiGraph' \nou applet.";
    }

}