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package converter.client;
import converter.ejb.*;
import javax.ejb.EJB;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import java.math.BigDecimal;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JOptionPane;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
/**
* @author Arnaud
*
*/
public class ConverterClient extends JFrame implements ActionListener {
@EJB
static final long serialVersionUID = 1L;
private JLabel lblAmount = new JLabel("Amount : ");
private JLabel lblFrom = new JLabel("From : ");
private JLabel lblTo = new JLabel("To : ");
private JLabel lblResult = new JLabel(" ??????? ");
private JButton cmdResult = new JButton("Result");
private JButton cmdReset = new JButton("Reset");
private JButton cmdClose = new JButton("Close");
private JTextField txtAmount = new JTextField();
private JComboBox cmbFrom = new JComboBox();
private JComboBox cmbTo = new JComboBox();
public ConverterClient() { // Constructeur
super(); // Appel constructeur de la superclasse
build(); // Initialisation de la fenêtre
}
private void build() {
setTitle("Currency Converter"); // Titre de le fenêtre
setSize(350, 260);
setLocationRelativeTo(null); // Centre la fenêtre au milieu de l'écran
setResizable(false); // La fenêtre sera non redimmensionable
setContentPane(buildContentPane());
}
private JPanel buildContentPane() {
JPanel fenPanel = new JPanel();
fenPanel.setLayout(null); // Je positionne moi même les composants
fenPanel.setBackground(Color.white);
lblAmount.setBounds(20, 50, 100, 20);
lblFrom.setBounds(20, 90, 75, 20);
lblTo.setBounds(175, 90, 75, 20);
lblResult.setBounds(110, 160, 200, 20);
lblResult.setForeground(Color.blue);
txtAmount.setBounds(75, 50, 150, 20);
txtAmount.setBackground(Color.cyan);
cmdClose.setBounds(265, 206, 75, 20);
cmdClose.setToolTipText("Close the Currency Converter Windows.");
cmdReset.setBounds(185, 206, 75, 20);
cmdReset.setToolTipText("Reset all fields");
cmdResult.setBounds(20, 160, 80, 20);
cmdResult.setToolTipText("Result");
cmbFrom.setBounds(75, 90, 75, 20);
cmbFrom.addItem("Euro");
cmbFrom.addItem("Dollar");
cmbFrom.addItem("Yen");
cmbFrom.addItem("fr cfa");
cmbTo.setBounds(210, 90, 75, 20);
cmbTo.addItem("Euro");
cmbTo.addItem("Dollar");
cmbTo.addItem("Yen");
cmbTo.addItem("fr cfa");
cmdClose.addActionListener(this);
cmdReset.addActionListener(this);
cmdResult.addActionListener(this);
fenPanel.add(lblAmount);
fenPanel.add(lblFrom);
fenPanel.add(lblTo);
fenPanel.add(lblResult);
fenPanel.add(txtAmount);
fenPanel.add(cmdClose);
fenPanel.add(cmdReset);
fenPanel.add(cmdResult);
fenPanel.add(cmbFrom);
fenPanel.add(cmbTo);
return fenPanel;
}
public void actionPerformed(ActionEvent e) {
Object source = e.getSource();
if (source == cmdClose) {
int choix = JOptionPane.showConfirmDialog(null, "Are you sure you want to close this window ?", "Currency Converter", JOptionPane.YES_NO_OPTION);
if (choix == 0) {
dispose();
}
}
if (source == cmdResult) {
String enterinValue = txtAmount.getText().toString();
String selectedValue1 = cmbFrom.getSelectedItem().toString();
String selectedValue2 = cmbTo.getSelectedItem().toString();
if (enterinValue.length() == 0) {
JOptionPane.showMessageDialog(null, "missing value to convert", "Error", JOptionPane.ERROR_MESSAGE);
}
else {
BigDecimal param = new BigDecimal(enterinValue);
try {
Context ctx = JBossContext.getInitialContext();
Converter myConverter = (Converter) ctx.lookup("ConverterBean/remote");
if ((selectedValue1.equals("Dollar")) & (selectedValue2.equals("Yen"))) {
BigDecimal amount = myConverter.dollarToYen(param);
lblResult.setText("$" + param + " is : " + amount + " yen.");
}
if ((selectedValue1.equals("Euro")) & (selectedValue2.equals("fr cfa"))) {
BigDecimal amount = myConverter.euroToFrancCfa(param);
lblResult.setText(param + " euro is : " + amount + " franc CFA.");
}
} catch (NamingException ne) {
ne.printStackTrace();
}
}
}
}
} |
