    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 1.5 2005/11/16 15:58:41 taqua 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
    044package org.jfree.ui;
    045
    046import javax.swing.JTable;
    047import javax.swing.table.JTableHeader;
    048import 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 */
    055public 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}