001/* =========================================================== 002 * JFreeChart : a free chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors. 006 * 007 * Project Info: http://www.jfree.org/jfreechart/index.html 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 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 025 * Other names may be trademarks of their respective owners.] 026 * 027 * ------------------ 028 * PieChartDemo1.java 029 * ------------------ 030 * (C) Copyright 2003-2011, by Object Refinery Limited and Contributors. 031 * 032 * Original Author: David Gilbert (for Object Refinery Limited); 033 * Contributor(s): ; 034 * 035 * Changes 036 * ------- 037 * 09-Mar-2005 : Version 1, copied from the demo collection that ships with 038 * the JFreeChart Developer Guide (DG); 039 * 040 */ 041 042package org.jfree.chart.demo; 043 044import javax.swing.JPanel; 045 046import org.jfree.chart.ChartFactory; 047import org.jfree.chart.ChartPanel; 048import org.jfree.chart.JFreeChart; 049import org.jfree.chart.StandardChartTheme; 050import org.jfree.chart.plot.PiePlot; 051import org.jfree.data.general.DefaultPieDataset; 052import org.jfree.data.general.PieDataset; 053import org.jfree.ui.ApplicationFrame; 054import org.jfree.ui.RefineryUtilities; 055 056/** 057 * A simple demonstration application showing how to create a pie chart using 058 * data from a {@link DefaultPieDataset}. 059 */ 060public class PieChartDemo1 extends ApplicationFrame { 061 062 private static final long serialVersionUID = 1L; 063 064 { 065 // set a theme using the new shadow generator feature available in 066 // 1.0.14 - for backwards compatibility it is not enabled by default 067 ChartFactory.setChartTheme(new StandardChartTheme("JFree/Shadow", 068 true)); 069 } 070 071 /** 072 * Default constructor. 073 * 074 * @param title the frame title. 075 */ 076 public PieChartDemo1(String title) { 077 super(title); 078 setContentPane(createDemoPanel()); 079 } 080 081 /** 082 * Creates a sample dataset. 083 * 084 * @return A sample dataset. 085 */ 086 private static PieDataset createDataset() { 087 DefaultPieDataset dataset = new DefaultPieDataset(); 088 dataset.setValue("One", new Double(43.2)); 089 dataset.setValue("Two", new Double(10.0)); 090 dataset.setValue("Three", new Double(27.5)); 091 dataset.setValue("Four", new Double(17.5)); 092 dataset.setValue("Five", new Double(11.0)); 093 dataset.setValue("Six", new Double(19.4)); 094 return dataset; 095 } 096 097 /** 098 * Creates a chart. 099 * 100 * @param dataset the dataset. 101 * 102 * @return A chart. 103 */ 104 private static JFreeChart createChart(PieDataset dataset) { 105 106 JFreeChart chart = ChartFactory.createPieChart( 107 "Pie Chart Demo 1", // chart title 108 dataset, // data 109 true, // include legend 110 true, 111 false 112 ); 113 114 PiePlot plot = (PiePlot) chart.getPlot(); 115 plot.setSectionOutlinesVisible(false); 116 plot.setNoDataMessage("No data available"); 117 return chart; 118 119 } 120 121 /** 122 * Creates a panel for the demo (used by SuperDemo.java). 123 * 124 * @return A panel. 125 */ 126 public static JPanel createDemoPanel() { 127 JFreeChart chart = createChart(createDataset()); 128 ChartPanel panel = new ChartPanel(chart); 129 panel.setMouseWheelEnabled(true); 130 return panel; 131 } 132 133 /** 134 * Starting point for the demonstration application. 135 * 136 * @param args ignored. 137 */ 138 public static void main(String[] args) { 139 140 // ****************************************************************** 141 // More than 150 demo applications are included with the JFreeChart 142 // Developer Guide...for more information, see: 143 // 144 // > http://www.object-refinery.com/jfreechart/guide.html 145 // 146 // ****************************************************************** 147 148 PieChartDemo1 demo = new PieChartDemo1("Pie Chart Demo 1"); 149 demo.pack(); 150 RefineryUtilities.centerFrameOnScreen(demo); 151 demo.setVisible(true); 152 } 153 154}