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import javax.swing.*;
import java.util.ArrayList;
import java.awt.event.*;
import java.awt.*;
import java.io.*;
public class TheMain {
public static void main(String[] args) {
frame f = new frame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setVisible(true);
}
}
//***********************************************************************
class frame extends JFrame {
public frame(){
setSize(600,600);
Panel p = new Panel();
setContentPane(p);
}
}
//************************************************************************
class Panel extends JPanel implements ActionListener,Serializable{
ArrayList<Dee2> al = new ArrayList<Dee2>();
int i=0;
JButton b1 = new JButton("selc");
JButton b2 = new JButton("proj");
JButton b3 = new JButton("save");
JButton b5 = new JButton("restituer");
ObjectInputStream ois;
ObjectOutputStream oos;
Boolean vrai = false;
int x1=50,y1=50;
public Panel()
{
setBackground(Color.white);
add(b1);
add(b2);
add(b3);
add(b5);
b1.addActionListener(this);
b2.addActionListener(this);
b3.addActionListener(this);
b5.addActionListener(this);
}
//****************class pour sauvgarder les figure*****************************
protected void paintComponent(Graphics g){
super.paintComponent(g);
System.out.println("taille de al = "+al.size());//test de la taille de al
if(vrai==true){
for( i= 0; i<al.size(); i++)
{
if(al.get(i).Figure=="slc"){g.fillOval(al.get(i).x,al.get(i).y, 30, 30);}
if(al.get(i).Figure=="prj"){g.fillRect(al.get(i).x,al.get(i).y, 30, 30);}
}
}
}
public void actionPerformed(ActionEvent e){
if(e.getSource()==b1)
{ Dee2 d = new Dee2();
d.Figure="slc";
d.x=x1;
d.y=y1;
al.add(d);
vrai=true;
repaint();x1=x1+50;
if(x1>500){x1=50;y1=y1+50;}
}
if(e.getSource()==b2)
{ Dee2 d = new Dee2();
d.Figure="prj";
d.x=x1;
d.y=y1;
al.add(d);
vrai=true;
repaint();x1=x1+50;
if(x1>500){x1=50;y1=y1+50;}
}
//****************************************************************************
if(e.getSource()==b5)
{ try {
//On récupère maintenant les données !
ois = new ObjectInputStream(
new BufferedInputStream(
new FileInputStream(
new File("D://jsk.dat"))));
try { al =(ArrayList<Dee2>)ois.readObject();
} catch (ClassNotFoundException ex) {ex.printStackTrace();}
ois.close();
} catch (FileNotFoundException ex) {ex.printStackTrace();}
catch (IOException ex) { ex.printStackTrace();}
for(int nb=0;nb<al.size();nb++){System.out.println(" "+al.get(nb).Figure);
}
vrai =true ; repaint();
}
//************************************************************************
if(e.getSource()==b3)
{
//...............................................................................................
try {
oos = new ObjectOutputStream(
new BufferedOutputStream(
new FileOutputStream(
new File("D://jsk.dat"))));
// écrire chaque objet
oos.writeObject(al);
// FERMER LE FLUX ! ! !
oos.close();
}catch (FileNotFoundException ex) {ex.printStackTrace();}
catch (IOException ex) { ex.printStackTrace();}
}
//............................................................................................
}
} |
