Java tutorial
/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jfreechart/index.html * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public * License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, * USA. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * ------------------ * PieChartDemo1.java * ------------------ * (C) Copyright 2003-2007, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): ; * * Changes * ------- * 09-Mar-2005 : Version 1, copied from the demo collection that ships with * the JFreeChart Developer Guide (DG); * */ package org.hxzon.demo.jfreechart; import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import org.hxzon.swing.components.easy.HEasyJComboBox; import org.hxzon.swing.model.HEasyJModelValue; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.PiePlot; import org.jfree.data.general.DefaultPieDataset; import org.jfree.data.general.PieDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; public class PieDatasetDemo extends ApplicationFrame { private static final long serialVersionUID = 1L; //dataset private static PieDataset dataset = createDataset(); private static PieDataset previousDataset = createPreviousDataset(); //chart private static JFreeChart pieChart = createPieChart(dataset); private static JFreeChart ringChart = createRingChart(dataset); private static JFreeChart pieChart3D = createPieChart3D(dataset); private static JFreeChart pieChart_2 = createPieChart(dataset, previousDataset); public PieDatasetDemo(String title) { super(title); ChartPanel chartPanel = new ChartPanel(pieChart); chartPanel.setFillZoomRectangle(true); chartPanel.setMouseWheelEnabled(true); chartPanel.setPreferredSize(new Dimension(500, 270)); getContentPane().add(chartPanel); getContentPane().add(new ChartComboBox(chartPanel), BorderLayout.SOUTH); } private static PieDataset createDataset() { DefaultPieDataset dataset = new DefaultPieDataset(); dataset.setValue("One", new Double(43.2)); dataset.setValue("Two", new Double(10.0)); dataset.setValue("Three", new Double(27.5)); dataset.setValue("Four", new Double(17.5)); dataset.setValue("Five", new Double(11.0)); dataset.setValue("Six", new Double(19.4)); return dataset; } private static PieDataset createPreviousDataset() { DefaultPieDataset dataset = new DefaultPieDataset(); dataset.setValue("One", new Double(45.2)); dataset.setValue("Two", new Double(10.0)); dataset.setValue("Three", new Double(20.5)); dataset.setValue("Four", new Double(12.5)); dataset.setValue("Five", new Double(31.0)); dataset.setValue("Six", new Double(19.4)); return dataset; } private static JFreeChart createPieChart(PieDataset dataset) { JFreeChart chart = ChartFactory.createPieChart("Pie Chart Demo 1", // chart title dataset, // data true, // include legend true, false); PiePlot plot = (PiePlot) chart.getPlot(); plot.setSectionOutlinesVisible(false); plot.setNoDataMessage("No data available"); return chart; } private static JFreeChart createPieChart(PieDataset dataset, PieDataset previousDataset) { // createPieChart(String title, // PieDataset dataset, // PieDataset previousDataset, // int percentDiffForMaxScale, // boolean greenForIncrease, // boolean legend, // boolean tooltips, // boolean urls, // boolean subTitle, // boolean showDifference) JFreeChart chart = ChartFactory.createPieChart("Pie Chart Demo 2", // chart title dataset, // data previousDataset, 0, // percentDiffForMaxScale true, // greenForIncrease true, // include legend true, // tooltips false, // urls true, // subTitle true); // showDifference PiePlot plot = (PiePlot) chart.getPlot(); plot.setNoDataMessage("No data available"); return chart; } private static JFreeChart createPieChart3D(PieDataset dataset) { JFreeChart chart = ChartFactory.createPieChart3D("Pie Chart 3D Demo 1", // chart title dataset, // data true, // include legend true, false); PiePlot plot = (PiePlot) chart.getPlot(); plot.setSectionOutlinesVisible(false); plot.setNoDataMessage("No data available"); return chart; } private static JFreeChart createRingChart(PieDataset dataset) { JFreeChart chart = ChartFactory.createRingChart("Ring Chart Demo 1", // chart title dataset, // data true, // include legend true, false); PiePlot plot = (PiePlot) chart.getPlot(); plot.setSectionOutlinesVisible(false); plot.setNoDataMessage("No data available"); return chart; } public static class ChartComboBox extends HEasyJComboBox<JFreeChart> implements ItemListener { private static final long serialVersionUID = 1L; private ChartPanel chartPanel; public ChartComboBox(ChartPanel chartPanel) { this.chartPanel = chartPanel; super.addItem(new HEasyJModelValue<JFreeChart>(pieChart, "PieChart", false)); super.addItem(new HEasyJModelValue<JFreeChart>(ringChart, "RingChart", false)); super.addItem(new HEasyJModelValue<JFreeChart>(pieChart3D, "PieChart3D", false)); super.addItem(new HEasyJModelValue<JFreeChart>(pieChart_2, "PieChart_2", false)); this.addItemListener(this); } @Override public void itemStateChanged(ItemEvent e) { if (e.getStateChange() == ItemEvent.SELECTED) { @SuppressWarnings("unchecked") JFreeChart item = ((HEasyJModelValue<JFreeChart>) e.getItem()).value; chartPanel.setChart(item); } } } public static void main(String[] args) { PieDatasetDemo demo = new PieDatasetDemo("Pie Dataset Chart Demo"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }