userloginpanel.java

这是一个用java和xml编写的流媒体服务器管理软件

/*
 * ====================================================================
 * The Vovida Software License, Version 1.0
 * 
 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in
 * the documentation and/or other materials provided with the
 * distribution.
 * 
 * 3. The names "VOCAL", "Vovida Open Communication Application Library",
 * and "Vovida Open Communication Application Library (VOCAL)" must
 * not be used to endorse or promote products derived from this
 * software without prior written permission. For written
 * permission, please contact [e-mail].
 * 
 * 4. Products derived from this software may not be called "VOCAL", nor
 * may "VOCAL" appear in their name, without prior written
 * permission of Vovida Networks, Inc.
 * 
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA
 * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
 * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 * 
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by Vovida
 * Networks, Inc. and many individuals on behalf of Vovida Networks,
 * Inc.  For more information on Vovida Networks, Inc., please see
 * <http://www.vovida.org/>.
 * 
 */

/**
 * Title:        <p>
 * Description:  <p>
 * Copyright:    Copyright (c) <p>
 * Company:      <p>
 * @author
 * @version 1.0
 */
package vocal.ui;

import vocal.userEditor.Buttons;

import javax.swing.*;
import javax.swing.border.EmptyBorder;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import vocal.pw.AccessLevels;
import vocal.userEditor.StandaloneUserEditor;
import vocal.comm.VPPTransactionWrapper;
import vocal.pw.PasswordManager;


public class UserLoginPanel extends LoginPanel
{
  private StandaloneUserEditor editor;

  private JDialog dialog;

  public UserLoginPanel(boolean isStandAlone, VPPTransactionWrapper con, 
          JRootPane root)
  {
    super(isStandAlone, con, root);

    new PasswordManager(con);

    dialog = new JDialog((JFrame) this.getTopLevelAncestor(), 
            "User Configuration", false);
  }

  public void doLogin()
  {
    {
      try
      {
        editor = new StandaloneUserEditor(connect);
      }
      catch (Exception e)
      {
        System.out.println("Could not create user configuration editor");
        e.printStackTrace();
        JOptionPane.showMessageDialog(this, 
                "Could not create user configuration screen because: \n" + e, 
                "ERROR", JOptionPane.ERROR_MESSAGE);

        return;
      }
    }

    try
    {
      editor.setUser(getLoginId());
    }
    catch (Exception e)
    {
      e.printStackTrace();

      return;
    }

    // The user editor goes in the center panel of a border layout
    JPanel temp = new JPanel();

    temp.setLayout(new BorderLayout());
    temp.add(editor, BorderLayout.CENTER);


    // add another panel at the top which has the back button
    JPanel temp2 = new JPanel();

    temp2.setLayout(new BoxLayout(temp2, BoxLayout.X_AXIS));

    JButton back = new JButton("Back");

    back.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        dialog.setVisible(false);
      }

    });
    temp2.add(back);
    temp2.add(Box.createHorizontalGlue());
    temp2.setBorder(new EmptyBorder(5, 5, 5, 5));

    temp.add(temp2, BorderLayout.NORTH);

    JScrollPane scroller = new JScrollPane(temp);

    dialog.setContentPane(scroller);

    dialog.pack();
    dialog.setModal(true);

    Container parent = UserLoginPanel.this.getTopLevelAncestor();

    parent.setVisible(false);

    dialog.setVisible(true);    // modal

    if (editor.getLastButtonClicked() == Buttons.BUTTON_OK)
    {
      editor.writeBack();
    }

    parent.setVisible(true);

    if (JFrame.class.isInstance(parent))
    {
      ((JFrame) parent).toFront();
      ((JFrame) parent).setState(JFrame.NORMAL);
    }
  }

  public int getAccessLevel()
  {
    return AccessLevels.USER;
  }

}