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 * SystemProperties.java
029 * ---------------------
030 * (C) Copyright 2002-2004, by Object Refinery Limited.
031 *
032 * Original Author:  David Gilbert (for Object Refinery Limited);
033 * Contributor(s):   -;
034 *
035 * $Id: SystemProperties.java,v 1.5 2005/11/16 15:58:41 taqua Exp $
036 *
037 * Changes (from 26-Oct-2001)
038 * --------------------------
039 * 04-Mar-2002 : Version 1 (DG);
040 * 08-Oct-2002 : Fixed errors reported by Checkstyle (DG);
041 *
042 */
043
044package org.jfree.ui.about;
045
046import javax.swing.JTable;
047import javax.swing.table.TableColumn;
048import javax.swing.table.TableColumnModel;
049
050import org.jfree.ui.SortableTable;
051
052/**
053 * A utility class for working with system properties.
054 *
055 * @author David Gilbert
056 */
057public class SystemProperties {
058
059    /**
060     * Private constructor prevents object creation.
061     */
062    private SystemProperties () {
063    }
064    
065    /**
066     * Creates and returns a JTable containing all the system properties.  This method returns a
067     * table that is configured so that the user can sort the properties by clicking on the table
068     * header.
069     *
070     * @return a system properties table.
071     */
072    public static SortableTable createSystemPropertiesTable() {
073
074        final SystemPropertiesTableModel properties = new SystemPropertiesTableModel();
075        final SortableTable table = new SortableTable(properties);
076
077        final TableColumnModel model = table.getColumnModel();
078        TableColumn column = model.getColumn(0);
079        column.setPreferredWidth(200);
080        column = model.getColumn(1);
081        column.setPreferredWidth(350);
082
083        table.setAutoResizeMode(JTable.AUTO_RESIZE_SUBSEQUENT_COLUMNS);
084        return table;
085
086    }
087
088}