/*
 * 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 PURPOUSE. See the GNU
 * General Public License for more details.
 *
 * You should have recieved 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 gui;

import javax.swing.*;
import java.awt.*;
import javax.swing.event.*;
import java.awt.event.*;
import java.io.File;

import javax.swing.text.html.*;
/**
 * Insert the type's description here.
 *
 * @author: Yuriy Mikhaylovskiy
 */

public class Help extends JPanel{
  public static final String ver = "Help (2004.11.21)";
  BorderLayout borderLayout1 = new BorderLayout();
  JScrollPane jScrollPane1 = new JScrollPane();
  JEditorPane EditorPane = new JEditorPane();

  public Help() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  private void jbInit() throws Exception {
    this.setLayout(borderLayout1);
    EditorPane.addHyperlinkListener(new javax.swing.event.HyperlinkListener() {
      public void hyperlinkUpdate(HyperlinkEvent e) {
        EditorPane_hyperlinkUpdate(e);
      }
    });
    this.add(jScrollPane1, BorderLayout.CENTER);
    jScrollPane1.getViewport().add(EditorPane, null);
    EditorPane.setPage(Help.class.getClassLoader().getResource("help/"+"index.html"));
    EditorPane.setEditable(false);
  }


  void EditorPane_hyperlinkUpdate(HyperlinkEvent e) {
    try {
      if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
        JEditorPane pane = (JEditorPane) e.getSource();
        if (e instanceof HTMLFrameHyperlinkEvent) {
          HTMLFrameHyperlinkEvent  evt = (HTMLFrameHyperlinkEvent)e;
          HTMLDocument doc = (HTMLDocument)pane.getDocument();
          if((evt.getURL()+"").indexOf("TableOfContents")!=-1)
          doc.processHTMLFrameHyperlinkEvent(new HTMLFrameHyperlinkEvent(e.getSource(),HyperlinkEvent.EventType.ACTIVATED,evt.getURL(),"menu"));
          else doc.processHTMLFrameHyperlinkEvent(new HTMLFrameHyperlinkEvent(e.getSource(),HyperlinkEvent.EventType.ACTIVATED,evt.getURL(),"main"));
        } else  pane.setPage(e.getURL());
      }
    } catch (Exception t) { error(t); }
  }

  public void error(Object st){
    JOptionPane.showMessageDialog(null,"Error: "+st,"Error!",JOptionPane.ERROR_MESSAGE);
    System.out.println("Error: "+st);
  }
}