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     */
028    
029    package org.jfree.beans;
030    
031    import java.awt.Image;
032    import java.beans.BeanInfo;
033    import java.beans.IntrospectionException;
034    import java.beans.PropertyDescriptor;
035    import java.beans.SimpleBeanInfo;
036    import java.net.URL;
037    import java.util.List;
038    import java.util.ResourceBundle;
039    
040    import javax.swing.ImageIcon;
041    
042    /**
043     * Bean info for the {@link JAreaChart} bean.
044     */
045    public class JAreaChartBeanInfo 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 classes.
053         * 
054         * @return Additional bean info.
055         */
056        public BeanInfo[] getAdditionalBeanInfo() {
057            return new BeanInfo[] {new AbstractChartBeanInfo(), 
058                    new AbstractXYChartBeanInfo(), new NumericalXYChartBeanInfo()};    
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 = "JAreaChart.";
070            
071            // these regular properties are defined...
072            Object[][] props = new Object[][] { 
073                {"dataset", Boolean.FALSE, "Category.Dataset"}
074            };
075    
076            // create property descriptors for the regular properties...
077            List pds = new java.util.ArrayList();
078            for (int i = 0; i < props.length; i++) {
079                try {
080                    String name = (String) props[i][0];
081                    PropertyDescriptor pd = new PropertyDescriptor(name, 
082                            JAreaChart.class);
083                    Boolean expert = (Boolean) props[i][1];
084                    pd.setExpert(expert.booleanValue());
085                    String desc = localizationResources.getString(prefix + name);
086                    pd.setShortDescription(desc);
087                    pd.setValue("category", localizationResources.getString(
088                            (String) props[i][2]));
089                    pds.add(pd);
090                }
091                catch (IntrospectionException e) {
092                    // swallow...
093                }
094            }
095            
096            // create and return an array of all property descriptors...
097            PropertyDescriptor[] result = new PropertyDescriptor[pds.size()];
098            for (int i = 0; i < pds.size(); i++) {
099                result[i] = (PropertyDescriptor) pds.get(i);
100            }
101            return result;
102        }
103    
104        /* (non-Javadoc)
105         * @see java.beans.SimpleBeanInfo#getIcon(int)
106         */
107        @Override
108        public Image getIcon(int iconKind) {       
109            if (iconKind == BeanInfo.ICON_COLOR_16x16) {
110                URL imageURL = this.getClass().getClassLoader().getResource(
111                    "org/jfree/beans/line16.png");
112                if (imageURL != null) {
113                    ImageIcon temp = new ImageIcon(imageURL);  
114                    // use ImageIcon because it waits for the image to load...
115                    return temp.getImage();
116                }
117                else {
118                    return super.getIcon(iconKind);
119                }
120            }
121            else {
122                return super.getIcon(iconKind);
123            }
124        }
125    
126    }