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.] * * --------------------------- * XYTitleAnnotationDemo1.java * --------------------------- * (C) Copyright 2007, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): ; * * Changes * ------- * 02-Feb-2007 : Version 1 (DG); * */ package org.jfree.experimental.chart.demo; import java.awt.Color; import java.awt.Font; import java.text.SimpleDateFormat; import javax.swing.JPanel; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.DateAxis; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.block.BlockBorder; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.chart.title.LegendTitle; import org.jfree.data.time.Month; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; import org.jfree.data.xy.XYDataset; import org.jfree.experimental.chart.annotations.XYTitleAnnotation; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RectangleAnchor; import org.jfree.ui.RectangleEdge; import org.jfree.ui.RectangleInsets; import org.jfree.ui.RefineryUtilities; /** * An example of a time series chart. For the most part, default settings are * used, except that the renderer is modified to show filled shapes (as well as * lines) at each data point. */ public class XYTitleAnnotationDemo1 extends ApplicationFrame { /** * A demonstration application showing how to create a simple time series * chart. This example uses monthly data. * * @param title the frame title. */ public XYTitleAnnotationDemo1(String title) { super(title); ChartPanel chartPanel = (ChartPanel) createDemoPanel(); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); chartPanel.setMouseZoomable(true, false); setContentPane(chartPanel); } /** * Creates a chart. * * @param dataset a dataset. * * @return A chart. */ private static JFreeChart createChart(XYDataset dataset) { JFreeChart chart = ChartFactory.createTimeSeriesChart("Legal & General Unit Trust Prices", // title "Date", // x-axis label "Price Per Unit", // y-axis label dataset, // data false, // create legend? true, // generate tooltips? false // generate URLs? ); chart.setBackgroundPaint(Color.white); XYPlot plot = (XYPlot) chart.getPlot(); plot.setBackgroundPaint(Color.lightGray); plot.setDomainGridlinePaint(Color.white); plot.setRangeGridlinePaint(Color.white); plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0)); plot.setDomainCrosshairVisible(true); plot.setRangeCrosshairVisible(true); LegendTitle lt = new LegendTitle(plot); lt.setItemFont(new Font("Dialog", Font.PLAIN, 9)); lt.setBackgroundPaint(new Color(200, 200, 255, 100)); lt.setFrame(new BlockBorder(Color.white)); lt.setPosition(RectangleEdge.BOTTOM); XYTitleAnnotation ta = new XYTitleAnnotation(0.98, 0.02, lt, RectangleAnchor.BOTTOM_RIGHT); ta.setMaxWidth(0.48); plot.addAnnotation(ta); XYItemRenderer r = plot.getRenderer(); if (r instanceof XYLineAndShapeRenderer) { XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r; renderer.setBaseShapesVisible(true); renderer.setBaseShapesFilled(true); } DateAxis axis = (DateAxis) plot.getDomainAxis(); axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy")); ValueAxis yAxis = plot.getRangeAxis(); yAxis.setLowerMargin(0.35); return chart; } /** * Creates a dataset, consisting of two series of monthly data. * * @return The dataset. */ private static XYDataset createDataset() { TimeSeries s1 = new TimeSeries("L&G European Index Trust", Month.class); s1.add(new Month(2, 2001), 181.8); s1.add(new Month(3, 2001), 167.3); s1.add(new Month(4, 2001), 153.8); s1.add(new Month(5, 2001), 167.6); s1.add(new Month(6, 2001), 158.8); s1.add(new Month(7, 2001), 148.3); s1.add(new Month(8, 2001), 153.9); s1.add(new Month(9, 2001), 142.7); s1.add(new Month(10, 2001), 123.2); s1.add(new Month(11, 2001), 131.8); s1.add(new Month(12, 2001), 139.6); s1.add(new Month(1, 2002), 142.9); s1.add(new Month(2, 2002), 138.7); s1.add(new Month(3, 2002), 137.3); s1.add(new Month(4, 2002), 143.9); s1.add(new Month(5, 2002), 139.8); s1.add(new Month(6, 2002), 137.0); s1.add(new Month(7, 2002), 132.8); TimeSeries s2 = new TimeSeries("L&G UK Index Trust", Month.class); s2.add(new Month(2, 2001), 129.6); s2.add(new Month(3, 2001), 123.2); s2.add(new Month(4, 2001), 117.2); s2.add(new Month(5, 2001), 124.1); s2.add(new Month(6, 2001), 122.6); s2.add(new Month(7, 2001), 119.2); s2.add(new Month(8, 2001), 116.5); s2.add(new Month(9, 2001), 112.7); s2.add(new Month(10, 2001), 101.5); s2.add(new Month(11, 2001), 106.1); s2.add(new Month(12, 2001), 110.3); s2.add(new Month(1, 2002), 111.7); s2.add(new Month(2, 2002), 111.0); s2.add(new Month(3, 2002), 109.6); s2.add(new Month(4, 2002), 113.2); s2.add(new Month(5, 2002), 111.6); s2.add(new Month(6, 2002), 108.8); s2.add(new Month(7, 2002), 101.6); TimeSeriesCollection dataset = new TimeSeriesCollection(); dataset.addSeries(s1); dataset.addSeries(s2); return dataset; } /** * Creates a panel for the demo (used by SuperDemo.java). * * @return A panel. */ public static JPanel createDemoPanel() { JFreeChart chart = createChart(createDataset()); return new ChartPanel(chart); } /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(String[] args) { XYTitleAnnotationDemo1 demo = new XYTitleAnnotationDemo1("XYTitleAnnotationDemo1"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }