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/*
* Wireless Link Quality Monitoring Utility
*
* Copyright (C) 2001, Jonathan Sevy <jsevy@mcs.drexel.edu>
*
* 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 airportlinkmon;
import java.awt.*;
import javax.swing.*;
import java.io.*;
public class AboutDialog extends JDialog
implements Runnable
{
private JLabel aboutLabel1 = new JLabel(" ");
private JLabel aboutLabel2 = new JLabel(" ");
private JLabel aboutLabel3 = new JLabel(" ");
private JLabel aboutLabel4 = new JLabel(" ");
private String aboutString1 = "Wireless Link Quality Monitoring Utility";
private String aboutString2 = "Version 1.1 ";
private String aboutString3 = "J. Sevy ";
private String aboutString4 = "May 2001 ";
Thread displayThread;
public AboutDialog(JFrame parent)
{
super(parent, "About...", true /*modal*/);
this.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
setUpDisplay();
this.setLocation(Math.round((parent.size().width - this.size().width)/2), Math.round((parent.size().height - this.size().height)/2));
// create and start display thread
displayThread = new Thread(this);
displayThread.start();
this.show();
}
public void hide()
{
super.hide();
// interrupt thread so it can exit..
displayThread.interrupt();
}
private void setUpDisplay()
{
// set params for layout manager
GridBagLayout theLayout = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
c.gridwidth = 1;
c.gridheight = 1;
c.fill = GridBagConstraints.NONE;
c.ipadx = 0;
c.ipady = 0;
c.insets = new Insets(2,2,2,2);
c.anchor = GridBagConstraints.CENTER;
c.weightx = 0;
c.weighty = 0;
JPanel aboutPanel = new JPanel();
aboutPanel.setLayout(theLayout);
c.gridx = 1;
c.gridy = 1;
theLayout.setConstraints(aboutLabel1, c);
aboutPanel.add(aboutLabel1);
c.gridx = 1;
c.gridy = 2;
theLayout.setConstraints(aboutLabel2, c);
aboutPanel.add(aboutLabel2);
c.gridx = 1;
c.gridy = 3;
theLayout.setConstraints(aboutLabel3, c);
aboutPanel.add(aboutLabel3);
c.gridx = 1;
c.gridy = 4;
theLayout.setConstraints(aboutLabel4, c);
aboutPanel.add(aboutLabel4);
this.getContentPane().add(aboutPanel);
this.pack();
this.setSize(300, 150);
}
public void run()
{
try
{
Color textColor = new Color(255, 0, 255);
aboutLabel1.setForeground(textColor);
// write message out a character at a time...
int numChars = aboutString1.length();
Font titleFont = new Font("SansSerif",Font.BOLD + Font.ITALIC, 12);
Font labelFont = new Font("SansSerif",Font.PLAIN, 10);
aboutLabel1.setFont(titleFont);
aboutLabel1.setText(aboutString1);
aboutLabel1.setSize(0, 30);
for (int i = 0; i < this.getWidth() - 20; i++)
{
aboutLabel1.setSize(i, 30);
Thread.currentThread().sleep(6);
}
aboutLabel2.setText(aboutString2);
aboutLabel3.setText(aboutString3);
aboutLabel4.setText(aboutString4);
aboutLabel2.setFont(labelFont);
aboutLabel3.setFont(labelFont);
aboutLabel4.setFont(labelFont);
// change color of other strings...
int numSteps = 255;
for (int i = 0; i < numSteps; i++)
{
textColor = new Color(255, 255-i, i);
aboutLabel2.setForeground(textColor);
aboutLabel3.setForeground(textColor);
aboutLabel4.setForeground(textColor);
Thread.currentThread().sleep(20);
}
}
catch(Exception e)
{
// don't bother informing of exception; just exit...
//System.out.println(e);
}
// later!
}
}
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