001/* ======================================================
002 * Orson : a free chart beans library based on JFreeChart
003 * ======================================================
004 *
005 * (C) Copyright 2007, by Object Refinery Limited.
006 *
007 * Project Info:  not-yet-released
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
028package org.jfree.beans.editors;
029
030import java.beans.PropertyEditorSupport;
031
032import org.jfree.ui.RectangleEdge;
033
034/**
035 * A JavaBeans property editor for the {@link RectangleEdge} class.
036 */
037public class RectangleEdgeEditor extends PropertyEditorSupport {
038
039    /**
040     * Returns a string representing the current value.  This will be one of
041     * the following:
042     * <ul>
043     *   <li>RectangleEdge.TOP</code></li>
044     *   <li>RectangleEdge.BOTTOM</code></li>
045     *   <li>RectangleEdge.LEFT</code></li>
046     *   <li>RectangleEdge.RIGHT</code></li>
047     * </ul>
048     * 
049     * @return A string representing the current value.
050     */
051    public String getAsText() {
052        RectangleEdge r = (RectangleEdge) getValue();
053        return r.toString();
054    }
055    
056    /**
057     * Sets the current value by parsing the supplied string.
058     * 
059     * @param text  the string value.
060     * 
061     * @throws IllegalArgumentException if <code>text</code> is not one of
062     *     the values listed in {@link #getAsText()}.
063     */
064    public void setAsText(String text) throws IllegalArgumentException {
065        if (RectangleEdge.TOP.toString().equals(text)) {
066            setValue(RectangleEdge.TOP);
067        }
068        else if (RectangleEdge.BOTTOM.toString().equals(text)) {
069            setValue(RectangleEdge.BOTTOM);
070        }
071        else if (RectangleEdge.LEFT.toString().equals(text)) {
072            setValue(RectangleEdge.LEFT);
073        }
074        else if (RectangleEdge.RIGHT.toString().equals(text)) {
075            setValue(RectangleEdge.RIGHT);
076        }
077        else {
078            throw new IllegalArgumentException("Unrecognised 'text' argument.");
079        }
080    }
081    
082    /**
083     * Returns the valid string values for this property.
084     * 
085     * @return The valid string values for this property.
086     */
087    public String[] getTags() {
088        return new String[] {"RectangleEdge.TOP", "RectangleEdge.BOTTOM", 
089                "RectangleEdge.LEFT", "RectangleEdge.RIGHT" };
090    }
091
092    /**
093     * Returns a string for the property value.
094     * 
095     * @return A string for the property value.
096     */
097    public String getJavaInitializationString() {
098        RectangleEdge r = (RectangleEdge) getValue();
099        return "org.jfree.ui." + r.toString();
100    }
101
102}