/////////////////////////////////////////////////////////
// Module		AboutDialog.java
// Version		1.0
// Language		Java
// Author		Sudhakar Chandrasekaran (thaths@netscape.com)
// History
// 04/17/97		Modified for version 2.0
// 04/20/97		Minor positioning modifications
// 01/04/97		Created
//
// Legalese                
// Copyright (C) 1996-1997 Sudhakar Chandrasekharan  
//
// 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.  Writers of free software 
// cannot afford getting sued!
// 
// 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., 
// 675 Mass Ave., Cambridge, MA 02139, USA.
//
// Sudhakar "Thaths" Chandrasekharan, 20 April 1997.
////////////////////////////////////////////////////////

import java.awt.*;

class AboutDialog extends Dialog
{
	LogoCanvas logoCanvas;		// We will paint our logo on this canvas
	
	// Constructor
	AboutDialog(Frame f) 
	{
		super(f, true);

		setLayout(new BorderLayout());

		// Now Draw the logo
		logoCanvas = new LogoCanvas();
		add("Center", logoCanvas);
		Panel buttonPanel = new Panel();
		buttonPanel.setLayout(new FlowLayout(FlowLayout.CENTER));
		buttonPanel.add(new Button("OK"));
		buttonPanel.validate();
		add("South", buttonPanel);
		validate();
		resize(300,200);
		show();
	}

	// Event handler
	// If the 'OK' button was clicked, dispose()
	// this dialog
	public boolean action(Event evt, Object onWhat)
	{
		if(evt.target instanceof Button) {
			String label = (String) onWhat;
			if (label.equals("OK")) {
				dispose();
				return true;
			}
		}
		return super.handleEvent(evt);
	}
}

// The canvas on which we draw the logo
class LogoCanvas extends Canvas
{
	// Constructor
	LogoCanvas()
	{
		setBackground(new Color(255,255,255));
	}

	// Here is where we actually paint all
	// the stuff on the canvas
	public void paint(Graphics g)
	{
		Dimension d = size();
		Color bg = getBackground();
		
		g.setColor(new Color(0,0,255));
		// Draw a nice 3-D box around the canvas
		g.draw3DRect(0,0,d.width-2,d.height-2,true);
		g.draw3DRect(2,2,d.width-5,d.height-5,false);
		
		Font fnt = new Font("Times Roman", Font.BOLD, 15);
		FontMetrics fm = g.getFontMetrics();
		g.setFont(fnt);

		g.setColor(new Color(0,192,255));
		String logo = new String("Client Search v2.0");
		g.drawString(logo,75,25);

		g.setColor(new Color(255,0,192));
		fnt = new Font("Times Roman", Font.PLAIN, 9);
		fm = g.getFontMetrics();
		g.setFont(fnt);
		String sublogo1 = new String("Copyright (C), 1996-97");
		g.drawString(sublogo1,90,50);

		String sublogo2 = new String("Sudhakar 'Thaths' Chandrasekharan");
		g.drawString(sublogo2,71,65);

		g.setColor(new Color(0,0,255));
		String sublogo3	= new String("http://www.aunet.org/thaths/hacks/ClientSearch/");
		g.drawString(sublogo3,50,80);
 	}

	// The minimum size for the canvas
	// Should not be using all those constant numbers
	public Dimension minimumSize()
	{
		Dimension d = new Dimension(250,150);
		return d;
	}
		
	// Would prefer if the canvas of this
	// size
	public Dimension preferredSize()
	{
		Dimension d = new Dimension(250,150);
		return d;
	}
}