001    /*
002     * $Id: TableRolloverProducer.java 3296 2009-03-11 12:06:01Z kleopatra $
003     *
004     * Copyright 2007 Sun Microsystems, Inc., 4150 Network Circle,
005     * Santa Clara, California 95054, U.S.A. All rights reserved.
006     *
007     * This library is free software; you can redistribute it and/or
008     * modify it under the terms of the GNU Lesser General Public
009     * License as published by the Free Software Foundation; either
010     * version 2.1 of the License, or (at your option) any later version.
011     * 
012     * This library is distributed in the hope that it will be useful,
013     * but WITHOUT ANY WARRANTY; without even the implied warranty of
014     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
015     * Lesser General Public License for more details.
016     * 
017     * You should have received a copy of the GNU Lesser General Public
018     * License along with this library; if not, write to the Free Software
019     * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
020     *
021     */
022    package org.jdesktop.swingx.rollover;
023    
024    import java.awt.Point;
025    
026    import javax.swing.JComponent;
027    import javax.swing.JTable;
028    
029    /**
030     * Table-specific implementation of RolloverProducer. 
031     * 
032     * @author Jeanette Winzenburg
033     */
034    public class TableRolloverProducer extends RolloverProducer {
035    
036        @Override
037        protected void updateRolloverPoint(JComponent component, Point mousePoint) {
038            JTable table = (JTable) component;
039            int col = table.columnAtPoint(mousePoint);
040            int row = table.rowAtPoint(mousePoint);
041            if ((col < 0) || (row < 0)) {
042                row = -1;
043                col = -1;
044            }
045            rollover.x = col;
046            rollover.y = row;
047        }
048    
049    }