Login Panel : Dialog « Swing Components « Java
- Java
- Swing Components
- Dialog
Login Panel
/**
* Class: LoginPane
* Description: A simple class to get user's loginname and password.
* NOTE: This class is not very secure!
* @author Le Cuong Nguyen
**/
//package atnf.atoms.mon.util;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
public class LoginPane extends JDialog implements ActionListener {
String itsUsername = "";
String itsPassword = "";
boolean itsFirst = true;
boolean itsKeep = false;
JTextField itsUserField = new JTextField(15);
JPasswordField itsPassField = new JPasswordField(15);
JCheckBox itsKeepBox = new JCheckBox("Save details:", false);
boolean itsInit = false;
public LoginPane() {
super();
setTitle("Login");
setModal(true);
getContentPane().setLayout(new GridLayout(3, 2));
getContentPane().add(new JLabel("Username:"));
getContentPane().add(itsUserField);
getContentPane().add(new JLabel("Password"));
getContentPane().add(itsPassField);
getContentPane().add(itsKeepBox);
JButton submit = new JButton("done");
getContentPane().add(submit);
submit.addActionListener(this);
pack();
}
public String[] getLogin() {
if (!itsKeep && !itsFirst) {
return null;
}
if (!itsInit) {
return null;
}
itsFirst = false;
String[] res = new String[2];
res[0] = itsUsername;
res[1] = itsPassword;
if (!itsKeep) {
itsUsername = "";
itsPassword = "";
}
return res;
}
public void actionPerformed(ActionEvent e) {
itsUsername = itsUserField.getText();
itsPassword = new String(itsPassField.getPassword());
itsKeep = itsKeepBox.isSelected();
itsInit = true;
setVisible(false);
}
}
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