001/*
002 * $Id: MappedValues.java 3882 2010-11-05 09:24:37Z kleopatra $
003 *
004 * Copyright 2009 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 */
021package org.jdesktop.swingx.renderer;
022
023import javax.swing.Icon;
024import javax.swing.plaf.UIResource;
025
026/**
027 * A collection of common {@code MappedValue} implementations.
028 *
029 * @author kschaefer
030 */
031public final class MappedValues {
032    /**
033     * A {@code MappedValue} that returns either a {@code String} or {@code Icon}, but not both.
034     */
035    @SuppressWarnings("serial")
036    public static final MappedValue STRING_OR_ICON_ONLY = new MappedValue(new StringValue() {
037        @Override
038        public String getString(Object value) {
039            if (value instanceof Icon) {
040                return StringValues.EMPTY.getString(value);
041            }
042            
043            return StringValues.TO_STRING.getString(value);
044        }
045    }, IconValues.ICON);
046    
047    /**
048     * MappedValue wrapper of type UIResource to tag LAF installed converters.
049     * 
050     * @author (Jeanette Winzenburg, Berlin
051     */
052    public static class MappedValueUIResource extends MappedValue implements UIResource {
053        
054        public MappedValueUIResource(MappedValue delegate) {
055            this(delegate, delegate, delegate);
056        }
057
058        /**
059         * @param stringDelegate
060         * @param iconDelegate
061         * @param booleanDelegate
062         */
063        public MappedValueUIResource(StringValue stringDelegate,
064                IconValue iconDelegate, BooleanValue booleanDelegate) {
065            super(stringDelegate, iconDelegate, booleanDelegate);
066        }
067
068        /**
069         * @param stringDelegate
070         * @param iconDelegate
071         */
072        public MappedValueUIResource(StringValue stringDelegate,
073                IconValue iconDelegate) {
074            super(stringDelegate, iconDelegate);
075        }
076        
077    }
078
079    private MappedValues() {
080        //prevent instantiation
081    }
082}