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:  http://www.jfree.org/orson/
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
029package org.jfree.beans;
030
031import java.awt.Image;
032import java.beans.BeanInfo;
033import java.beans.IntrospectionException;
034import java.beans.PropertyDescriptor;
035import java.beans.SimpleBeanInfo;
036import java.net.URL;
037import java.util.List;
038import java.util.ResourceBundle;
039
040import javax.swing.ImageIcon;
041
042/**
043 * Bean info for the {@link JBarChart} bean.
044 */
045public class JBarChartBeanInfo extends SimpleBeanInfo {
046
047    /** The resourceBundle for the localization. */
048    static ResourceBundle localizationResources = 
049            ResourceBundle.getBundle("org.jfree.beans.LocalizationBundle");
050    
051    /**
052     * Returns the bean info from the super class.
053     * 
054     * @return Additional bean info.
055     */
056    public BeanInfo[] getAdditionalBeanInfo() {
057        return new BeanInfo[] {new AbstractCategoryChartBeanInfo(), 
058                new AbstractChartBeanInfo()};    
059    }
060    
061    /**
062     * Returns some property descriptors.
063     * 
064     * @return The property descriptors.
065     */
066    public PropertyDescriptor[] getPropertyDescriptors() {
067
068        // a prefix for the localised string keys
069        final String prefix = "JBarChart.";
070        
071        // these regular properties are defined...
072        Object[][] props = new Object[][] { 
073            {"dataset", Boolean.FALSE, "Category.Dataset"},
074            {"barOutlineVisible", Boolean.FALSE, "Category.BarRenderer"},
075            {"barItemMargin", Boolean.TRUE, "Category.BarRenderer"},
076            {"barBaseValue", Boolean.TRUE, "Category.BarRenderer"}
077        };
078
079        // create property descriptors for the regular properties...
080        List pds = new java.util.ArrayList();
081        for (int i = 0; i < props.length; i++) {
082            try {
083                String name = (String) props[i][0];
084                PropertyDescriptor pd = new PropertyDescriptor(name, 
085                        JBarChart.class);
086                Boolean expert = (Boolean) props[i][1];
087                pd.setExpert(expert.booleanValue());
088                String desc = localizationResources.getString(prefix + name);
089                pd.setShortDescription(desc);
090                pd.setValue("category", localizationResources.getString(
091                        (String) props[i][2]));
092                pds.add(pd);
093            }
094            catch (IntrospectionException e) {
095                // swallow...
096            }
097        }
098        
099        // create and return an array of all property descriptors...
100        PropertyDescriptor[] result = new PropertyDescriptor[pds.size()];
101        for (int i = 0; i < pds.size(); i++) {
102            result[i] = (PropertyDescriptor) pds.get(i);
103        }
104        return result;
105    }
106
107    /* (non-Javadoc)
108     * @see java.beans.SimpleBeanInfo#getIcon(int)
109     */
110    @Override
111    public Image getIcon(int iconKind) {       
112        if (iconKind == BeanInfo.ICON_COLOR_16x16) {
113            URL imageURL = this.getClass().getClassLoader().getResource(
114                "org/jfree/beans/bar16.png");
115            if (imageURL != null) {
116                ImageIcon temp = new ImageIcon(imageURL);  
117                // use ImageIcon because it waits for the image to load...
118                return temp.getImage();
119            }
120            else {
121                return super.getIcon(iconKind);
122            }
123        }
124        else {
125            return super.getIcon(iconKind);
126        }
127    }
128
129    
130}