content: package com.japisoft.framework.dialog.help;
  
  import java.awt.Dimension;
  import java.awt.Frame;
  import java.io.IOException;
  import java.net.URL;
  
  import javax.swing.JEditorPane;
  import javax.swing.JScrollPane;
  import javax.swing.SwingUtilities;
  import javax.swing.event.HyperlinkEvent;
  import javax.swing.event.HyperlinkListener;
  
  import com.japisoft.framework.ApplicationModel;
  import com.japisoft.framework.dialog.BasicOKDialogComponent;
  
  /**
  This program is available under two licenses : 
  
  1. For non commercial usage : 
  
  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 3 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, see <http://www.gnu.org/licenses/>.
  
  2. For commercial usage :
  
  You need to get a commercial license for source usage at : 
  
  http://www.editix.com/buy.html
  
  Copyright (c) 2018 Alexandre Brillant - JAPISOFT SARL - http://www.japisoft.com
  
  @author Alexandre Brillant - abrillant@japisoft.com
  @author JAPISOFT SARL - http://www.japisoft.com
  
  */
  public class ManualDialog extends BasicOKDialogComponent implements
  		HyperlinkListener {
  
  	/** This is a path from the classpath */
  	public static String DEF_MANUAL_PATH = "doc/manual.html";
  
  	private JEditorPane pane = null;
  
  	static String getTITLE() {
  		return "Manual of " + ApplicationModel.SHORT_APPNAME;
  	}
  
  	static String getCOMMENT() {
  		if (DEF_MANUAL_PATH.startsWith("http://"))
  			return "This manual is located at " + DEF_MANUAL_PATH;
  		return null;
  	}
  
  	/** It uses the default location */
  	public ManualDialog(Frame owner) {
  		this( owner, null );
  	}
  	
  	/**
  	 * @param owner The owner frame
  	 * @param location The location as a path or from the classpath
  	 */
  	public ManualDialog(Frame owner, String location ) {
  		super( owner, "Manual", getTITLE(), getCOMMENT(), null );
  		setModal( false );
  
  		try {
  			
  			String tmp = location;
  			if ( tmp == null )
  				tmp = DEF_MANUAL_PATH;
  			URL url = null;
  			if ( tmp.startsWith( "http:" ) )
  				url = new URL( tmp );
  			else
  				url = ClassLoader.getSystemResource( tmp );
  			
  			pane = new JEditorPane();
  			//pane = new JEditorPane( url );
  			pane.setEditable(false);
  			pane.setText("Reading " + DEF_MANUAL_PATH + " ...");
  
  			JScrollPane sp = new JScrollPane(pane);
  			sp.setPreferredSize(new Dimension(650, 500));
  			setUI(sp);
  
  			load(url);
  
  		} catch (IOException exc) {
  		}
  	}
  
  	private void load(URL url) {
  		final URL url2 = url;
  		
  		SwingUtilities.invokeLater(new Runnable() {
  			public void run() {
  				try {
  					pane.setPage(url2);
  				} catch (Exception exc) {
  					pane.setText("Can't read " + url2);
  				}
  			}
  		});
  	}
  
  	public void addNotify() {
  		super.addNotify();
  		pane.addHyperlinkListener(this);
  	}
  
  	public void removeNotify() {
  		super.removeNotify();
  		pane.removeHyperlinkListener(this);
  	}
  
  	public void hyperlinkUpdate(HyperlinkEvent e) {
  		if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
  			pane.scrollToReference(e.getDescription().substring(1));
  		}
  	}
  
  }
  