aboutbox.java

JaNet: Java Neural Network Toolkit resume: A well documented toolkit for designing and training, a

////////////////////////////////////////////////////////////////////////////////////  
//  
//  Copyright (C) 1996 L.  Patocchi & W.Gander
//
//  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., 675 Mass
//  Ave, Cambridge, MA 02139, USA.
//
//  Contacts:
//  
//    Project Supervisor
//      W.Hett       [e-mail]
//  
//    Authors
//      W.Gander     [e-mail]
//      L.Patocchi   [e-mail]
//
//  Documentation can be found at:
//
//      http://www.isbiel.ch/Projects/janet/index.html
//
////////////////////////////////////////////////////////////////////////////////////
//
// File : AboutBox.java
//
/*
	jaNet - A Neural Network Toolkit for Java
	-----------------------------------------

	Author :		W.Gander
	Modifications :	10.09.1996
	Filename :		AboutBox.java

	Description :	Shows the About Dialog Box


	(c) 1996 Biel School of Engineering
 */
package jaNet;

import java.awt.*;

class AboutBox extends Dialog {

	public	Label	label_1;
	public	Label	label_2;
	public	Label	label_3;
	public	Button	OkButton;
	public	GetLogo	pic;
	private	int		weight, height;


	public AboutBox(Frame parent, String jaNetHomePath) {
		super(parent, "About...", false);
		addNotify();

		// main panel
		GridBagLayout grid = new GridBagLayout();
		int rowHeights[] = {0,10,20,10,20,20,10,220,10,30,10};
		int columnWidths[] = {0,10,300,10};
		double rowWeights[] = {0.0,1.0,0.0,1.0,0.0,0.0,1.0,0.0,1.0,0.0,1.0};
		double columnWeights[] = {0.0,1.0,0.0,1.0};
		grid.rowHeights = rowHeights;
		grid.columnWidths = columnWidths;
		grid.rowWeights = rowWeights;
		grid.columnWeights = columnWeights;

		for(int i=0;i<rowHeights.length;i++) height += rowHeights[i];
		for(int i=0;i<columnWidths.length;i++) weight += columnWidths[i];
		resize(insets().left + insets().right+weight, insets().top + insets().bottom + height);
		this.setBackground(Color.white);

		label_1 = new Label();
		label_1.setFont(new Font("Helvetica",Font.BOLD , 16));
		label_1.setText("jaNet - NEURAL NETWORK TOOLKIT");
		this.add(label_1);

		label_2 = new Label();
		label_2.setFont(new Font("Helvetica",Font.PLAIN , 12));
		label_2.setText("Written by L.Patocchi and W.Gander");
		this.add(label_2);

		label_3 = new Label();
		label_3.setFont(new Font("Helvetica",Font.PLAIN , 12));
		label_3.setText("(c) 1996 Biel School of Engineering");
		this.add(label_3);

		// Add the picture
		pic	= new GetLogo(jaNetHomePath);
		add	(pic);

		// Add the OK button
		OkButton = new Button();
		OkButton.setLabel(" OK ");
		this.add(OkButton);
		OkButton.setBackground(Color.lightGray);

		// Geometry management
		GridBagConstraints con = new GridBagConstraints();
		reset(con);
		con.gridx = 2;
		con.gridy = 2;
		con.anchor = GridBagConstraints.CENTER;
		con.fill = GridBagConstraints.NONE;
		grid.setConstraints(label_1, con);

		reset(con);
		con.gridx = 2;
		con.gridy = 4;
		con.anchor = GridBagConstraints.CENTER;
		con.fill = GridBagConstraints.NONE;
		grid.setConstraints(label_2, con);

		reset(con);
		con.gridx = 2;
		con.gridy = 5;
		con.anchor = GridBagConstraints.CENTER;
		con.fill = GridBagConstraints.NONE;
		grid.setConstraints(label_3, con);

		reset(con);
		con.gridx = 2;
		con.gridy = 7;
		con.anchor = GridBagConstraints.CENTER;
		con.fill = GridBagConstraints.BOTH;
		grid.setConstraints(pic, con);

		reset(con);
		con.gridx = 2;
		con.gridy = 9;
		con.anchor = GridBagConstraints.CENTER;
		con.fill = GridBagConstraints.NONE;
		grid.setConstraints(OkButton, con);


		// Resize behavior management and parent heirarchy
		setLayout(grid);
		pack();
	}

	private	void reset(GridBagConstraints con) {
		con.gridx =	GridBagConstraints.RELATIVE;
		con.gridy =	GridBagConstraints.RELATIVE;
		con.gridwidth =	1;
		con.gridheight = 1;

		con.weightx	= 0;
		con.weighty	= 0;
		con.anchor = GridBagConstraints.CENTER;
		con.fill = GridBagConstraints.NONE;

		con.insets = new Insets(0, 0, 0, 0);
		con.ipadx =	0;
		con.ipady =	0;
	}

	public synchronized	void show() {
		Rectangle bounds = getParent().bounds();
		Rectangle abounds =	bounds();

		move(bounds.x +	(bounds.width -	abounds.width)/	2,
			abounds.height/2);

		super.show();
	}

	public boolean handleEvent(Event event) {
		if (event.id == Event.ACTION_EVENT && event.target == OkButton) {
			clickedOkButton();
			return true;
		}
		else if (event.id == Event.WINDOW_DESTROY) {
			this.hide ();
			//dispose();
			return true;
		}
		else return super.handleEvent(event);
	}

	public void clickedOkButton() {
		//handleEvent(new Event(this, Event.WINDOW_DESTROY, null));
		this.hide();
	}
}