    001    /* ========================================================================
    002     * JCommon : a free general purpose class library for the Java(tm) platform
    003     * ========================================================================
    004     *
    005     * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
    006     *
    007     * Project Info:  http://www.jfree.org/jcommon/index.html
    008     *
    009     * This library is free software; you can redistribute it and/or modify it
    010     * under the terms of the GNU Lesser General Public License as published by
    011     * the Free Software Foundation; either version 2.1 of the License, or
    012     * (at your option) any later version.
    013     *
    014     * This library is distributed in the hope that it will be useful, but
    015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
    017     * License for more details.
    018     *
    019     * You should have received a copy of the GNU Lesser General Public
    020     * License along with this library; if not, write to the Free Software
    021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
    022     * USA.
    023     *
    024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
    025     * in the United States and other countries.]
    026     *
    027     * ------------------
    028     * SortableTable.java
    029     * ------------------
    030     * (C) Copyright 2000-2004, by Object Refinery Limited.
    031     *
    032     * Original Author:  David Gilbert (for Object Refinery Limited);
    033     * Contributor(s):   -;
    034     *
    035     * $Id: SortableTable.java,v 1.4 2005/10/18 13:18:34 mungady Exp $
    036     *
    037     * Changes (from 26-Oct-2001)
    038     * --------------------------
    039     * 26-Oct-2001 : Changed package to com.jrefinery.ui.*;
    040     * 14-Oct-2002 : Fixed errors reported by Checkstyle (DG);
    041     *
    042     */
    043
    044    package org.jfree.ui;
    045
    046    import javax.swing.JTable;
    047    import javax.swing.table.JTableHeader;
    048    import javax.swing.table.TableColumnModel;
    049
    050    /**
    051     * A simple extension of JTable that supports the use of a SortableTableModel.
    052     *
    053     * @author David Gilbert
    054     */
    055    public class SortableTable extends JTable {
    056
    057        /** A listener for sorting. */
    058        private SortableTableHeaderListener headerListener;
    059
    060        /**
    061         * Standard constructor - builds a table for the specified model.
    062         *
    063         * @param model  the data.
    064         */
    065        public SortableTable(final SortableTableModel model) {
    066
    067            super(model);
    068
    069            final SortButtonRenderer renderer = new SortButtonRenderer();
    070            final TableColumnModel cm = getColumnModel();
    071            for (int i = 0; i < cm.getColumnCount(); i++) {
    072                cm.getColumn(i).setHeaderRenderer(renderer);
    073            }
    074
    075            final JTableHeader header = getTableHeader();
    076            this.headerListener = new SortableTableHeaderListener(model, renderer);
    077            header.addMouseListener(this.headerListener);
    078            header.addMouseMotionListener(this.headerListener);
    079
    080            model.sortByColumn(0, true);
    081
    082        }
    083
    084        /**
    085         * Changes the model for the table.  Takes care of updating the header listener at the
    086         * same time.
    087         *
    088         * @param model  the table model.
    089         *
    090         */
    091        public void setSortableModel(final SortableTableModel model) {
    092
    093            super.setModel(model);
    094            this.headerListener.setTableModel(model);
    095            final SortButtonRenderer renderer = new SortButtonRenderer();
    096            final TableColumnModel cm = getColumnModel();
    097            for (int i = 0; i < cm.getColumnCount(); i++) {
    098                cm.getColumn(i).setHeaderRenderer(renderer);
    099            }
    100            model.sortByColumn(0, true);
    101
    102        }
    103
    104    }