/* Copyright (C) 2006 Christian Schneider
*
* This file is part of Nomad.
*
* Nomad 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.
*
* Nomad 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 Nomad; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* Created on Sep 10, 2006
*/
package net.sf.nmedit.nmutils.swing;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.DefaultStyledDocument;
public class LimitedText extends DefaultStyledDocument {
/**
*
*/
private static final long serialVersionUID = -1104470300584043715L;
private int maxCharacters;
public LimitedText(int maxCharacters)
{
this.maxCharacters = maxCharacters;
}
public void insertString(int offs, String str, AttributeSet a)
throws BadLocationException {
if (getLength() < maxCharacters)
{
// only insert if more characters are possible
// truncate string?
if (getLength() + str.length()>=maxCharacters)
{
// str is too large, but substring fits
str = str.substring(0, maxCharacters-getLength()); // truncate string
}
super.insertString(offs, str, a);
}
}
}