/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.gui.tools;

import java.awt.Component;

import javax.swing.JScrollPane;

/**
 * This extended version of the JScrollPane uses increased numbers of unit increments
 * for both scroll bars making it more useful for mouse wheels.
 * 
 * @author Ingo Mierswa
 */
public class ExtendedJScrollPane extends JScrollPane {

    private static final long serialVersionUID = 218317624316997140L;
    
    public ExtendedJScrollPane() {
    	super();
        getHorizontalScrollBar().setUnitIncrement(10);
        getVerticalScrollBar().setUnitIncrement(10);
    }

    public ExtendedJScrollPane(Component component) {
        super(component);
        getHorizontalScrollBar().setUnitIncrement(10);
        getVerticalScrollBar().setUnitIncrement(10);
        
        if (component instanceof ExtendedJTable) {
        	ExtendedJTable table = (ExtendedJTable) component;
        	table.setExtendedScrollPane(this);
        }
    }
    
    @Override
	public void setViewportView(Component component) {
    	super.setViewportView(component);

    	if (component instanceof ExtendedJTable) {
        	ExtendedJTable table = (ExtendedJTable) component;
        	table.setExtendedScrollPane(this);
    	}
    }
}