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| import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.net.Socket;
import java.util.Timer;
import java.util.TimerTask;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JApplet;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollBar;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
/**
*
* @author pj
*/
public class AppletChat extends JApplet {
private JTextField jtf;
private JPanel bas;
private JPanel haut;
private int port;
private int idChat;
private int idUtilisateur;
private JScrollPane scroll;
private JLabel texteChat;
private JScrollBar barre;
public Timer t;
/**
* Initialization method that will be called after the applet is loaded
* into the browser.
*/
@Override
public void init() {
// TODO start asynchronous download of heavy resources
this.idChat=Integer.parseInt(getParameter("idChat"));
this.idUtilisateur=Integer.parseInt(getParameter("idUtilisateur"));
this.port=Integer.parseInt(getParameter("port"));
this.getContentPane().setBackground(new Color(0xd3d9f2));
bas=new JPanel();
haut=new JPanel();
scroll=new JScrollPane(haut);
scroll.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
scroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
scroll.setWheelScrollingEnabled(true);
jtf=new JTextField();
texteChat=new JLabel("Please wait");
/*String txt="<html><div align=\"left\" style=\"width: 600px;\">";
for(int i=0;i<50;i++)
txt+="ligne : "+i+"<br/>";
txt+="</div></html>";*/
//texte.setText(txt);
//area=new JTextArea("Please wait...",20, 50);
Font policeA=new Font("Arial", Font.BOLD, 11);
texteChat.setFont(policeA);
//area.setPreferredSize(new Dimension(600,350));
//haut.add(area, BorderLayout.CENTER);
Font police=new Font("Verdana", Font.BOLD, 12);
jtf.setFont(police);
jtf.setForeground(new Color(0x006cfb));
jtf.setPreferredSize(new Dimension(450,30));
jtf.addKeyListener(new ClavierListener());
bas.setBackground(new Color(0xc0c8e9));
haut.setBackground(new Color(0xb8b5c7));
bas.add(jtf, BorderLayout.WEST);
haut.add(texteChat);
this.getContentPane().add(bas, BorderLayout.SOUTH);
//this.getContentPane().add(haut, BorderLayout.CENTER);
this.getContentPane().add(scroll, BorderLayout.CENTER);
jtf.requestFocus();
t=new Timer();
t.schedule(new send(), 0, 5000);
}
private class ClavierListener implements KeyListener {
public void keyTyped(KeyEvent ke) {
//throw new UnsupportedOperationException("Not supported yet.");
}
public void keyPressed(KeyEvent ke) {
if(ke.getKeyCode()==KeyEvent.VK_ENTER&&jtf.getText().length()!=0) {
sendDatas s=new sendDatas();
s.start();
}
}
public void keyReleased(KeyEvent ke) {
//throw new UnsupportedOperationException("Not supported yet.");
}
}
public class sendDatas extends Thread {
@Override
public void run() {
try {
String texte = jtf.getText();
texte=idChat+"#"+idUtilisateur+"#"+texte;
jtf.setText("");
InetAddress serveur = InetAddress.getByName("localhost");
Socket socket = new Socket(serveur, port);
BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
PrintWriter out =new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())),true);
out.println(texte);
String txt="";
while(true) {
String str=in.readLine();
if(str==null||str.equals("#END#"))
break;
else
txt+=str;
}
if(txt.length()>0) {
txt="<html><div align=\"left\" width=\"600\">"+txt+"</div><br/><br/><br/><br/></html>";
texteChat.setText(txt);
}
in.close();
out.close();
socket.close();
barre=scroll.getVerticalScrollBar();
barre.setValue(barre.getMaximum()+30);
} catch (IOException ex) {
Logger.getLogger(AppletChat.class.getName()).log(Level.SEVERE, null, ex);
jtf.setText("erreur fatale");
}
}
}
public class send extends TimerTask {
private Socket sock;
@Override
public void run() {
try {
InetAddress serveur = InetAddress.getByName("localhost");
sock= new Socket(serveur, port);
/*BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())), true);
/*out.println("#send#");
String txt="";
while(true) {
String str=in.readLine();
if(str==null||str.equals("#END#"))
break;
else
txt+=str;
}
if(txt.length()>0) {
txt="<html><div align=\"left\" width=\"600\">"+txt+"</div><br/><br/><br/><br/></html>";
texteChat.setText(txt);
}
in.close();
out.close();*/
//sock.close();
barre=scroll.getVerticalScrollBar();
barre.setValue(barre.getMaximum()+30);
} catch (IOException ex) {
Logger.getLogger(AppletChat.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
}
// TODO overwrite start(), stop() and destroy() methods |
