/*
 * Copyright (c) 2018, 7u83 <7u83@mail.ru>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package opensesim.gui.util;

import javax.swing.JTextField;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.PlainDocument;

/**
 *
 * @author 7u83 <7u83@mail.ru>
 */
public class JTextFieldLimit extends JTextField {

 /*  JTextFieldLimit() {
        super();
        this.setDocument(new PlainDocumentLimit());
        setLimit(0);
    }
   */ 
    private int limit;
    
    
    public final void setLimit(int limit){
        this.limit = limit;
        String text = getText();
        setDocument(new PlainDocumentLimit());        
        setText(text);
    }
    
    public final int getLimit(){
        return limit;
    }
        
    class PlainDocumentLimit extends PlainDocument {

        //private int limit;

        PlainDocumentLimit() {
            super();
        
        }

        @Override
        public void insertString(int offset, String str, AttributeSet attr) throws BadLocationException {
            if (str == null) {
                return;
            }
            if ((getLength() + str.length()) <= limit || limit==0) {
                super.insertString(offset, str, attr);
            }
        }
    }

}