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A simple node-relationship editor
There is a newer version: 1.0.9

/** 
 * Copyright (C) 2010  Jorge J. Gomez-Sanz
 * 
 * This file is part of the INGENME tool. INGENME is an open source meta-editor
 * which produces customized editors for user-defined modeling languages
 *
 * 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 version 3 of the License
 *
 * 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 
 **/


package ingenias.editor;

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

public class Help
    extends JFrame
    implements java.io.Serializable {
  JScrollPane scrollhelp = new JScrollPane();
  JTextPane helpPane = new JTextPane();
  JButton close = new JButton();

  public Help() {
    super("Help");
    try {
      jbInit();
    }
    catch (Exception e) {
      e.printStackTrace();
    }
  }

  public void loadHelp(String file) {
    try {
      FileInputStream fis = new FileInputStream(file);
      String res = "";
      int read = 1;
      byte[] bs = new byte[2000];
      while (read > 0) {
        read = fis.read(bs);
        if (read > 0) {
          res = res + new String(bs, 0, read);
        }
      }
//    System.err.println(res);
      helpPane.setContentType("text/html");
      helpPane.setText(res);
      helpPane.setCaretPosition(0);
		
    }
    catch (IOException ioe) {
      ioe.printStackTrace();
    }
  }

  private void jbInit() throws Exception {
    helpPane.setEditable(false);
    helpPane.setText("jTextPane1");
    close.setText("Close");
    close.addActionListener(new Help_close_actionAdapter(this));
    this.getContentPane().add(scrollhelp, BorderLayout.CENTER);
    this.getContentPane().add(close, BorderLayout.SOUTH);
    scrollhelp.getViewport().add(helpPane, null);
  }

  void close_actionPerformed(ActionEvent e) {
    this.hide();
  }

  public static void main(String args[]) {
    JFrame jf=new JFrame();
    JButton jb=new JButton("prueba");
    jf.getContentPane().add(jb);
    jb.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        Help h = new Help();
        h.loadHelp("doc/help/index.htm");
        JFrame.setDefaultLookAndFeelDecorated(true);
        h.helpPane.setCaretPosition(0);
        h.pack();
        h.setExtendedState(JFrame.MAXIMIZED_BOTH);
        h.show();

      }
    });
    jf.pack();
    jf.show();

    System.err.println("hola");
  }

}

class Help_close_actionAdapter
    implements java.awt.event.ActionListener, java.io.Serializable {
  Help adaptee;

  Help_close_actionAdapter(Help adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.close_actionPerformed(e);
  }
}