/*
 *                    PDB web development code
 *
 * This code may be freely distributed and modified under the
 * terms of the GNU Lesser General Public Licence.  This should
 * be distributed with the code.  If you do not have a copy,
 * see:
 *
 *      http://www.gnu.org/copyleft/lesser.html
 *
 * Copyright for this code is held jointly by the individual
 * authors.  These should be listed in @author doc comments.
 *
 *
 * Created on Jul 21, 2009
 * Created by ap3
 *
 */

package org.biojava.nbio.structure.align.gui;

import org.biojava.nbio.structure.align.StructureAlignment;
import org.biojava.nbio.structure.align.StructureAlignmentFactory;
import org.biojava.nbio.structure.align.util.ResourceManager;
import org.biojava.nbio.structure.align.webstart.BrowserOpener;

import javax.swing.*;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class AboutDialog
{
	Box vBox;
	public AboutDialog(){

	}

	public void showDialog(){
		JDialog dialog = new JDialog();

		dialog.setSize(new Dimension(500,650));

		ResourceManager mgr = ResourceManager.getResourceManager("ce");

		String msg = "";

		msg += mgr.getString("ce.about");

		msg += "<b>Currently suported algorithms and version:</b><br>";
		// add the Algorithms and  version nrs.

		StructureAlignment[] algorithms = StructureAlignmentFactory.getAllAlgorithms();
		for (StructureAlignment algorithm: algorithms){
			msg+="<i>"+algorithm.getAlgorithmName()+"</i> V." +algorithm.getVersion()+"<br>";
		}
		//msg+="<hr>";

		JEditorPane txt = new JEditorPane("text/html", msg);
		txt.setEditable(false);

		JScrollPane scroll = new JScrollPane(txt);
		scroll.setSize(new Dimension(300,500));
		vBox= Box.createVerticalBox();
		vBox.add(scroll);

		txt.addHyperlinkListener(new HyperlinkListener(){

			@Override
			public void hyperlinkUpdate(HyperlinkEvent e) {

				if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
					String href = e.getDescription();
					BrowserOpener.showDocument(href);
				}
				if ( e.getEventType() == HyperlinkEvent.EventType.ENTERED) {
					// change the mouse curor
					vBox.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
				}
				if (e.getEventType() == HyperlinkEvent.EventType.EXITED) {
					vBox.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
				}
			}
		});




		JButton close = new JButton("Close");

		close.addActionListener(new ActionListener(){
			@Override
			public void actionPerformed(ActionEvent event) {
				Object source = event.getSource();

				JButton but = (JButton)source;
				Container parent = but.getParent().getParent().getParent().getParent().getParent().getParent() ;

				JDialog dia = (JDialog) parent;
				dia.dispose();
			}
		});

		Box hBoxb = Box.createHorizontalBox();
		hBoxb.add(Box.createGlue());
		hBoxb.add(close,BorderLayout.EAST);

		vBox.add(hBoxb);

		dialog.getContentPane().add(vBox);
		dialog.setVisible(true);


	}
}