conversion devise en java
comment afficher le résultat de conversion dans l'autre champs automatiquement quand je saisie une valeure dans l'un des champs
voici mon code:
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package Tp4.Complement;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridBagLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class ConversionDeviseA extends JFrame implements ActionListener,KeyListener{
JLabel euro =new JLabel("Euro");
JLabel dinar =new JLabel("Dinar");
JTextField euroText =new JTextField(20);
JTextField dinarText =new JTextField(20);
//JButton euroDinar =new JButton("Euro -> Dinar");
//JButton dinarEuro =new JButton(" Dinar -> Euro");
JButton Taux = new JButton("Taux de change");
JPanel p1 =new JPanel();
int tauxChange=140;
public ConversionDeviseA() {
JPanel e = new JPanel();
e.add(euro);
e.add(euroText);
JPanel b = new JPanel();
// b.add(euroDinar);
// b.add(dinarEuro);
b.add(Taux);
JPanel d = new JPanel();
d.add(dinar);
d.add(dinarText);
p1.add(e);
p1.add(b);
p1.add(d);
euroText.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
}
public void keyReleased(KeyEvent e){
float opérend=Math.round(Float.parseFloat(euroText.getText())*tauxChange);
euroText.setText(opérend+" ");
}
});
dinarText.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
}
public void keyReleased(KeyEvent e){
float opérend=Math.round(Float.parseFloat(dinarText.getText())*tauxChange);
dinarText.setText(opérend+" ");
}
});
Taux.addActionListener(new ActionListener() {
// @Override
// public void actionPerformed(ActionEvent e) {
// ConversionDevise c=new ConversionDevise();
// c.setVisible(true);
// }
// });
//
@Override
public void actionPerformed(ActionEvent e) {
Definir_nv_taux d=new Definir_nv_taux();
// JFrame f=new JFrame();
// String [] ed={"Euro->dinar:","dinar->euro"};
// JComboBox<String> erdin=new JComboBox(ed);
// JButton mj = new JButton("mettre à jour");
// JPanel j = new JPanel();
// JTextField TauxChange =new JTextField(7);
//
// j.add(erdin);
// // erdin.addItem("Euro->dinar");
// j.add(mj);
// // j.add(Taux);
// j.add(TauxChange);
// f.setTitle("Conversion Devise");
// f.setSize(300, 200);
// f.setLocation(100, 150);
// f.getContentPane().add(j);
// f.setVisible(true);
// f.setLocationRelativeTo(null);
// TauxChange.addActionListener(new ActionListener() {
//
// @Override
// public void actionPerformed(ActionEvent e) {
// // TODO Auto-generated method stub
//
// }
// public void keyReleased(KeyEvent e){
// float opérend=Math.round(Float.parseFloat(euroText.getText())*tauxChange);
// euroText.setText(opérend+" ");
// }
//
// });
}
// public void keyReleased(KeyEvent e){
// float opérend=Math.round(Float.parseFloat(euroText.getText())*tauxChange);
// euroText.setText(opérend+" ");
// }
//
});
setTitle("Conversion Devise");
setSize(300, 200);
setLocation(100, 150);
getContentPane().add(p1);
setVisible(true);
setLocationRelativeTo(null);
}
public double soldeEu(double eu){
double s;
s=(eu*140);
return s;
}
public double soldeDn(double dn){
double s;
s=(dn/14);
return s;
}
public double tau(double tt){
tt=Double.parseDouble( euroText.getText());
return tt; }
public void actionPerformed(ActionEvent e) {
Object s = e.getSource();
//JButton b = (JButton) s;
JTextField b = (JTextField)s;
double dn1,eu1;
if(b==euroText){
eu1 = Double.parseDouble( euroText.getText());
dinarText.setText(" "+soldeEu(eu1));}
else{
if(b==dinarText){
dn1 = Double.parseDouble( dinarText.getText());
euroText.setText(""+soldeDn( dn1));}
else{
if(b==Taux){
JButton Taux = (JButton) s;
eu1 = Double.parseDouble( euroDinar.getText());
dinarEuro.setText(" "+soldeEu(eu1));
dn1 = Double.parseDouble( dinarEuro.getText());
euroDinar.setText(""+soldeDn( dn1));
ConversionDeviseA t=new ConversionDeviseA();
t.setVisible(true);
}
}
}
}
public static void main(String[] args) {
new ConversionDeviseA();
}
@Override
public void keyPressed(KeyEvent arg0) {
// TODO Auto-generated method stub
}
@Override
public void keyTyped(KeyEvent arg0) {
// TODO Auto-generated method stub
}
@Override
public void keyReleased(KeyEvent arg0) {
// TODO Auto-generated method stub
}
} |
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package Tp4.Complement;
import java.awt.HeadlessException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class Definir_nv_taux extends JFrame implements ActionListener{
String [] ed={"Euro->dinar:","dinar->euro"};
JComboBox<String> erdin=new JComboBox(ed);
JTextField TauxChange =new JTextField(7);
JButton Taux = new JButton("Taux de change");
JPanel p1 =new JPanel();
public Definir_nv_taux() {
p1.add(erdin);p1.add(TauxChange);p1.add(Taux);
setTitle("Definir un nouveau taux de chnge ");
setSize(300, 200);
setLocation(100, 150);
getContentPane().add(p1);
setVisible(true);
setLocationRelativeTo(null);
Taux.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
ConversionDeviseA c=new ConversionDeviseA();
}
});
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
}
public static void main(String[] args) {
new Definir_nv_taux();
}
} |
merci .
