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.EventSetDescriptor;
034import java.beans.IndexedPropertyDescriptor;
035import java.beans.IntrospectionException;
036import java.beans.PropertyDescriptor;
037import java.beans.SimpleBeanInfo;
038import java.net.URL;
039import java.util.List;
040import java.util.ResourceBundle;
041
042import javax.swing.ImageIcon;
043
044import org.jfree.beans.events.SectionClickListener;
045
046/**
047 * Bean info for the {@link JPieChart} bean.
048 */
049public class JPieChartBeanInfo extends SimpleBeanInfo {
050
051    /** The resourceBundle for the localization. */
052    static ResourceBundle localizationResources = 
053            ResourceBundle.getBundle("org.jfree.beans.LocalizationBundle");
054    
055    /**
056     * Returns the bean info from the super class.
057     * 
058     * @return Additional bean info.
059     */
060    public BeanInfo[] getAdditionalBeanInfo() {
061        return new BeanInfo[] {new AbstractChartBeanInfo()};    
062    }
063    
064    /**
065     * Returns some property descriptors.
066     * 
067     * @return The property descriptors.
068     */
069    public PropertyDescriptor[] getPropertyDescriptors() {
070
071        // a prefix for the localised string keys
072        final String prefix = "JPieChart.";
073        
074        // these regular properties are defined...
075        Object[][] props = new Object[][] { 
076            {"dataset", Boolean.FALSE, "Category.Dataset"},
077            {"circular", Boolean.FALSE, "Category.Plot"},
078            {"direction", Boolean.FALSE, "Category.Plot"},
079            {"startingAngle", Boolean.FALSE, "Category.Plot"},
080            {"labelFormat", Boolean.FALSE, "Category.Sections"},
081            {"labelFont", Boolean.FALSE, "Category.Sections"},
082            {"labelPaint", Boolean.FALSE, "Category.Sections"},
083            {"sectionToolTipFormat", Boolean.FALSE, "Category.ToolTips"}
084        };
085        
086        // and these indexed properties...
087        Object[][] indexedProps = new Object[][] { 
088            {"sectionPaint", Boolean.FALSE}
089        };
090
091        // create property descriptors for the regular properties...
092        List pds = new java.util.ArrayList();
093        for (int i = 0; i < props.length; i++) {
094            try {
095                String name = (String) props[i][0];
096                PropertyDescriptor pd = new PropertyDescriptor(name, 
097                        JPieChart.class);
098                Boolean expert = (Boolean) props[i][1];
099                pd.setExpert(expert.booleanValue());
100                String desc = localizationResources.getString(prefix + name);
101                pd.setValue("category", localizationResources.getString(
102                        (String) props[i][2]));
103                pd.setShortDescription(desc);
104                pds.add(pd);
105            }
106            catch (IntrospectionException e) {
107                // swallow...
108            }
109        }
110
111        // create property descriptors for the indexed properties...
112        for (int i = 0; i < indexedProps.length; i++) {
113            try {
114                String name = (String) props[i][0];
115                PropertyDescriptor pd = new IndexedPropertyDescriptor(name, 
116                        JPieChart.class);
117                Boolean expert = (Boolean) props[i][1];
118                pd.setExpert(expert.booleanValue());
119                String desc = localizationResources.getString(prefix + name);
120                pd.setShortDescription(desc);
121                pds.add(pd);
122                
123            }
124            catch (IntrospectionException e) {
125                // swallow...
126            }
127        }
128        
129        // create and return an array of all property descriptors...
130        PropertyDescriptor[] result = new PropertyDescriptor[pds.size()];
131        for (int i = 0; i < pds.size(); i++) {
132            result[i] = (PropertyDescriptor) pds.get(i);
133        }
134        return result;
135    }
136
137    /* (non-Javadoc)
138     * @see java.beans.SimpleBeanInfo#getEventSetDescriptors()
139     */
140    public EventSetDescriptor[] getEventSetDescriptors() {
141        EventSetDescriptor e1 = null;
142        try {
143            e1 = new EventSetDescriptor(JPieChart.class, "sectionClick", 
144                    SectionClickListener.class, "onSectionClick");
145            e1.setInDefaultEventSet(true);
146            e1.setExpert(false);
147            e1.setPreferred(true);
148        }
149        catch (IntrospectionException e) {
150            e.printStackTrace();
151            return super.getEventSetDescriptors();
152        }
153        return new EventSetDescriptor[] {e1};
154    }
155    
156    /* (non-Javadoc)
157     * @see java.beans.SimpleBeanInfo#getIcon(int)
158     */
159    @Override
160    public Image getIcon(int iconKind) {       
161        if (iconKind == BeanInfo.ICON_COLOR_16x16) {
162            URL imageURL = this.getClass().getClassLoader().getResource(
163                "org/jfree/beans/pie16.png");
164            if (imageURL != null) {
165                ImageIcon temp = new ImageIcon(imageURL);  
166                // use ImageIcon because it waits for the image to load...
167                return temp.getImage();
168            }
169            else {
170                return super.getIcon(iconKind);
171            }
172        }
173        else {
174            return super.getIcon(iconKind);
175        }
176    }
177
178}