alogindialog.java

Vyger offers a D & D and Rogue-like environment in a graphical online roleplay game.

/*
 * Light And Shadow. A Persistent Universe based on Robert Jordan's Wheel of Time Books.
 * Copyright (C) 2001-2002 WOTLAS Team
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU 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, USA.
 */

package wotlas.libs.aswing;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

/** A small utility to display a dialog asking for login+password
 *
 * @author Aldiss
 */

public class ALoginDialog extends JDialog {
 /*------------------------------------------------------------------------------------*/

  /** Textfields for login & Password
   */
    private ATextField f_login;
    private APasswordField f_password;

  /** Results of the dialog
   */
    private String login;
    private String password;
    

 /*------------------------------------------------------------------------------------*/

   /** Constructor.
    * 
    * @param frame frame owner of this JDialog
    * @param message msg to display
    * @param modal if the dialog is modal or not
    * @param rLocator to locate resources
    */
   public ALoginDialog(Frame frame, String message, String defaultLogin, ASwingResourceLocator rLocator ) {
         super(frame,"Login", true);

      // some inits
         getContentPane().setLayout( new BorderLayout() );
         getContentPane().setBackground(Color.white);
         
      // Top Label
         ALabel label1 = new ALabel(message);
         label1.setBackground(Color.white);
         getContentPane().add( label1, BorderLayout.NORTH );

      // Fields Panel
         JPanel fieldsPanel = new JPanel();
         fieldsPanel.setBackground(Color.white);
         fieldsPanel.setLayout(new GridLayout(2,2,5,5));
         getContentPane().add( fieldsPanel, BorderLayout.CENTER );

      // Fields
         ALabel l1 = new ALabel("Login :");
         l1.setBackground(Color.white);
         fieldsPanel.add(l1);

         f_login = new ATextField(defaultLogin);
         f_login.setBackground(new Color(235,235,235));
         fieldsPanel.add(f_login);

         ALabel l2 = new ALabel("Password :");
         l2.setBackground(Color.white);
         fieldsPanel.add(l2);

         f_password = new APasswordField(10);
         f_password.setBackground(new Color(235,235,235));
         fieldsPanel.add(f_password);
      
      // Button Panel
         JPanel buttonPanel = new JPanel();
         buttonPanel.setBackground(Color.white);
         buttonPanel.setLayout(new GridLayout(1,2,5,5));
         getContentPane().add( buttonPanel, BorderLayout.SOUTH );

      // Ok Button
         ImageIcon im_okup = rLocator.getImageIcon("ok-up.gif");
         ImageIcon im_okdo = rLocator.getImageIcon("ok-do.gif");

         JButton b_ok = new JButton(im_okup);
         b_ok.setRolloverIcon(im_okdo);
         b_ok.setPressedIcon(im_okdo);
         b_ok.setDisabledIcon(im_okup);
         b_ok.setBorderPainted(false);
         b_ok.setContentAreaFilled(false);
         b_ok.setFocusPainted(false);
         buttonPanel.add( b_ok );

          b_ok.addActionListener(new ActionListener(){
              public void actionPerformed (ActionEvent e) {
                   login = f_login.getText();
                   password = new String( f_password.getPassword() );
                   
                   if(login.length()==0) {
                      JOptionPane.showMessageDialog( ALoginDialog.this, "Login not set !", "Error", JOptionPane.ERROR_MESSAGE);
                      return;
                   }

                   if(password.length()==0) {
                      JOptionPane.showMessageDialog( ALoginDialog.this, "Password not set !", "Error", JOptionPane.ERROR_MESSAGE);
                      return;
                   }
                   
                   dispose();
              }
           });

         ImageIcon im_cancelup = rLocator.getImageIcon("cancel-up.gif");
         ImageIcon im_canceldo = rLocator.getImageIcon("cancel-do.gif");

         JButton b_cancel = new JButton(im_cancelup);
         b_cancel.setRolloverIcon(im_canceldo);
         b_cancel.setPressedIcon(im_canceldo);
         b_cancel.setDisabledIcon(im_cancelup);
         b_cancel.setBorderPainted(false);
         b_cancel.setContentAreaFilled(false);
         b_cancel.setFocusPainted(false);
         buttonPanel.add( b_cancel );

          b_cancel.addActionListener(new ActionListener(){
              public void actionPerformed (ActionEvent e) {
                   dispose();
              }
           });


      // Pack & Display
         pack();

         Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
         setLocation( (int) ((screenSize.getWidth() - getWidth()) / 2),
                   (int) ((screenSize.getHeight() - getHeight()) / 2) );
         show();
   }

 /*------------------------------------------------------------------------------------*/

   /** To get the login entered.
    */
     public String getLogin() {
        return login;
     }

 /*------------------------------------------------------------------------------------*/

   /** To get the password entered.
    */
     public String getPassword() {
        return password;
     }

 /*------------------------------------------------------------------------------------*/

   /** Has the user clicked on 'Ok' ?
    * @return true if OK was clicked
    */
     public boolean okWasClicked() {
         return (login!=null);
     }

 /*------------------------------------------------------------------------------------*/
}