| /******************************************************************************* |
| * Copyright (C) 2007 The University of Manchester |
| * |
| * Modifications to the initial code base are copyright of their |
| * respective authors, or their employers as appropriate. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public License |
| * as published by the Free Software Foundation; either version 2.1 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| ******************************************************************************/ |
| package net.sf.taverna.t2.workbench.ui.credentialmanager; |
| |
| import java.awt.BorderLayout; |
| import java.awt.FlowLayout; |
| import java.awt.Font; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.awt.event.WindowAdapter; |
| import java.awt.event.WindowEvent; |
| |
| import javax.swing.JButton; |
| import javax.swing.JDialog; |
| import javax.swing.JFrame; |
| import javax.swing.JLabel; |
| import javax.swing.JOptionPane; |
| import javax.swing.JPanel; |
| import javax.swing.JPasswordField; |
| import javax.swing.border.EmptyBorder; |
| |
| /** |
| * Dialog used for entering a password. |
| * |
| * @author Alex Nenadic |
| */ |
| @SuppressWarnings("serial") |
| public class GetPasswordDialog extends JDialog { |
| |
| // Instructions for user explaining the purpose of the password |
| private String instructions = null; |
| |
| // Password entry password field |
| private JPasswordField jpfPassword; |
| |
| // Stores the password entered |
| private String password = null; |
| |
| /** |
| * Creates new GetPasswordDialog dialog where the parent is a frame. |
| */ |
| public GetPasswordDialog(JFrame parent, String title, boolean modal, String instr) |
| { |
| super(parent, title, modal); |
| instructions = instr; |
| initComponents(); |
| } |
| |
| /** |
| * Creates new GetPasswordDialog dialog where the parent is a dialog. |
| */ |
| public GetPasswordDialog(JDialog parent, String title, boolean modal, String instr) |
| { |
| super(parent, title, modal); |
| instructions = instr; |
| initComponents(); |
| } |
| |
| /** |
| * Get the password set in the dialog. |
| * |
| * @return The password or null if none was set |
| */ |
| public String getPassword() |
| { |
| return password; |
| } |
| |
| /** |
| * Initialise the dialog's GUI components. |
| */ |
| private void initComponents() |
| { |
| getContentPane().setLayout(new BorderLayout()); |
| |
| JLabel jlPassword = new JLabel("Password"); |
| jpfPassword = new JPasswordField(15); |
| |
| JButton jbOK = new JButton("OK"); |
| jbOK.addActionListener(new ActionListener() |
| { |
| public void actionPerformed(ActionEvent evt) |
| { |
| okPressed(); |
| } |
| }); |
| |
| JButton jbCancel = new JButton("Cancel"); |
| jbCancel.addActionListener(new ActionListener() |
| { |
| public void actionPerformed(ActionEvent evt) |
| { |
| cancelPressed(); |
| } |
| }); |
| |
| |
| JLabel jlInstructions; // Instructions |
| if (instructions != null){ |
| jlInstructions = new JLabel (instructions); |
| jlInstructions.setFont(new Font(null, Font.PLAIN, 11)); |
| jlInstructions.setBorder(new EmptyBorder(5,5,5,5)); |
| getContentPane().add(jlInstructions, BorderLayout.NORTH); |
| } |
| |
| JPanel jpPassword = new JPanel(new FlowLayout(FlowLayout.CENTER)); |
| jpPassword.add(jlPassword); |
| jpPassword.add(jpfPassword); |
| jpPassword.setBorder(new EmptyBorder(5, 5, 5, 5)); |
| |
| JPanel jpButtons = new JPanel(new FlowLayout(FlowLayout.CENTER)); |
| jpButtons.add(jbOK); |
| jpButtons.add(jbCancel); |
| |
| getContentPane().add(jpPassword, BorderLayout.CENTER); |
| getContentPane().add(jpButtons, BorderLayout.SOUTH); |
| |
| addWindowListener(new WindowAdapter() |
| { |
| public void windowClosing(WindowEvent evt) |
| { |
| closeDialog(); |
| } |
| }); |
| |
| setResizable(false); |
| |
| getRootPane().setDefaultButton(jbOK); |
| |
| pack(); |
| } |
| |
| /** |
| * Check that the password entered is not empty and |
| * store the entered password. |
| */ |
| private boolean checkPassword() |
| { |
| password = new String(jpfPassword.getPassword()); |
| |
| |
| if (password.length() == 0) { //password is empty |
| JOptionPane.showMessageDialog(this, |
| "The password cannot be empty", |
| "Credential Manager Warning", |
| JOptionPane.WARNING_MESSAGE); |
| return false; |
| } |
| else { //password is not empty |
| return true; |
| } |
| |
| } |
| |
| /** |
| * OK button pressed or otherwise activated. |
| */ |
| private void okPressed() |
| { |
| if (checkPassword()) { |
| closeDialog(); |
| } |
| } |
| |
| /** |
| * Cancel button pressed or otherwise activated. |
| */ |
| private void cancelPressed() |
| { |
| password = null; |
| closeDialog(); |
| } |
| |
| /** |
| * Close the dialog. |
| */ |
| private void closeDialog() |
| { |
| setVisible(false); |
| dispose(); |
| } |
| } |
| |