/*
 * 20:57:05 21/05/99
 *
 * BoxComment.java
 * Copyright (C) 1999 Romain Guy
 * Portions copyright (C) 1998-2000 Slava Pestov
 * 15/07/00 - Modified by Steve Lawson to make compatible with Jipe Project.
 *
 * This	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 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

package jipe;

import javax.swing.text.Element;
import javax.swing.text.Document;
import javax.swing.text.BadLocationException;

import org.gjt.sp.jedit.textarea.*;

public class BoxComment
{

  public BoxComment(JEditTextArea textArea)
  {

    Document doc = textArea.getDocument();
    String commentStart =" /**";
    String commentEnd = "*/";
    String boxComment = " * ";
    if (commentStart == null || commentEnd == null || boxComment == null) return;
    commentStart = commentStart + ' ';
    commentEnd = ' ' + commentEnd;
    boxComment = boxComment + ' ';
    int selectionStart = textArea.getSelectionStart();
    int selectionEnd = textArea.getSelectionEnd();
    Element map = doc.getDefaultRootElement();
    int startLine = map.getElementIndex(selectionStart);
    int endLine = map.getElementIndex(selectionEnd);
    textArea.beginCompoundEdit();
    try
    {
      Element lineElement = map.getElement(startLine);
      int start = lineElement.getStartOffset();
      doc.insertString(Math.max(start , selectionStart), commentStart, null);
      for(int i = startLine +1; i < endLine; i++)
      {
        lineElement = map.getElement(i);
        start = lineElement.getStartOffset();
        doc.insertString(start, boxComment, null);
      }
      lineElement = map.getElement(endLine);
      start = lineElement.getStartOffset();
      doc.insertString(start, boxComment, null);
      doc.insertString(Math.max(start, textArea.getSelectionEnd()), "\n"+commentEnd, null);
      textArea.setCaretPosition(textArea.getCaretPosition());
    } catch(BadLocationException ble) { }
    textArea.endCompoundEdit();
  }
}

// End of BoxComment.java