/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* --------------------
* IntegerDocument.java
* --------------------
* (C) Copyright 2000-2004, by Andrzej Porebski.
*
* Original Author: Andrzej Porebski;
* Contributor(s): -;
*
* $Id: IntegerDocument.java,v 1.3 2005/11/16 15:58:41 taqua Exp $
*
* Changes (from 7-Nov-2001)
* -------------------------
* 07-Nov-2001 : Added to com.jrefinery.ui package (DG);
* 14-Oct-2002 : Fixed errors reported by Checkstyle (DG);
*
*/
package org.jfree.ui;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.PlainDocument;
/**
* A document for editing integers.
*
* @author Andrzej Porebski
*/
public class IntegerDocument extends PlainDocument {
/**
* Inserts a string.
*
* @param i i.
* @param s s.
* @param attributes the attributes.
*
* @throws BadLocationException ??
*/
public void insertString(final int i, final String s, final AttributeSet attributes)
throws BadLocationException {
super.insertString(i, s, attributes);
if (s != null && (!s.equals("-") || i != 0 || s.length() >= 2)) {
try {
Integer.parseInt(getText(0, getLength()));
}
catch (NumberFormatException e) {
remove(i, s.length());
}
}
}
}