Java tutorial
/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2013, 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. * * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. * Other names may be trademarks of their respective owners.] * * ------------------------- * TimeSeriesChartDemo1.java * ------------------------- * (C) Copyright 2003-2011, 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 com.ace.capitalflows.ui.frame.chart; import java.awt.Color; import java.awt.event.WindowEvent; import java.text.SimpleDateFormat; import javax.swing.JPanel; import org.apache.commons.lang.math.NumberUtils; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.StandardChartTheme; import org.jfree.chart.axis.DateAxis; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.data.time.Quarter; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; import org.jfree.data.xy.XYDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RectangleInsets; import com.ace.capitalflows.utils.CommenUtils; /** * 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 NianJdChart extends ApplicationFrame { private Object[][] dataArray; private static final long serialVersionUID = 1L; { // set a theme using the new shadow generator feature available in // 1.0.14 - for backwards compatibility it is not enabled by default ChartFactory.setChartTheme(new StandardChartTheme("JFree/Shadow", true)); } @Override public void windowClosing(final WindowEvent event) { if (event.getWindow() == this) { dispose(); } } /** * A demonstration application showing how to create a simple time series * chart. This example uses monthly data. * * @param title the frame title. */ public NianJdChart(final String title, final Object[][] dataArray) { super(title); this.dataArray = dataArray; final ChartPanel chartPanel = (ChartPanel) createDemoPanel(); chartPanel.setPreferredSize(new java.awt.Dimension(1000, 600)); setContentPane(chartPanel); } /** * @return the dataArray */ public Object[][] getDataArray() { return dataArray; } /** * @param dataArray the dataArray to set */ public void setDataArray(final Object[][] dataArray) { this.dataArray = dataArray; } /** * Creates a chart. * * @param dataset a dataset. * * @return A chart. */ private static JFreeChart createChart(final XYDataset dataset) { final JFreeChart chart = ChartFactory.createTimeSeriesChart("ZhongGuoGuoJiShouZhiPingHeBiao(NianDuCeSuan)", // title "NianJd", // x-axis label "YiMeiYuan", // y-axis label dataset, // data true, // create legend? true, // generate tooltips? false // generate URLs? ); chart.setBackgroundPaint(Color.white); final 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); final XYItemRenderer r = plot.getRenderer(); if (r instanceof XYLineAndShapeRenderer) { final XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r; renderer.setBaseShapesVisible(true); renderer.setBaseShapesFilled(true); renderer.setDrawSeriesLineAsPath(true); } final DateAxis axis = (DateAxis) plot.getDomainAxis(); axis.setDateFormatOverride(new SimpleDateFormat("yyyy-MM")); return chart; } /** * Creates a dataset, consisting of two series of monthly data. * * @return The dataset. */ private XYDataset createDataset() { final TimeSeries cudd = new TimeSeries("CuddingTon"); final TimeSeries resi = new TimeSeries("Residual"); for (int i = 0; dataArray[i] != null && i < dataArray.length - 1; i++) { final String nianJd = (String) dataArray[i][0]; final int year = CommenUtils.parseNian(nianJd); final int jd = CommenUtils.parseJDORYD(nianJd); cudd.add(new Quarter(jd, year), NumberUtils.toDouble((String) dataArray[i][1])); resi.add(new Quarter(jd, year), NumberUtils.toDouble((String) dataArray[i][2])); } // ****************************************************************** // More than 150 demo applications are included with the JFreeChart // Developer Guide...for more information, see: // // > http://www.object-refinery.com/jfreechart/guide.html // // ****************************************************************** final TimeSeriesCollection dataset = new TimeSeriesCollection(); dataset.addSeries(cudd); dataset.addSeries(resi); return dataset; } /** * Creates a panel for the demo (used by SuperDemo.java). * * @return A panel. */ public JPanel createDemoPanel() { final JFreeChart chart = createChart(createDataset()); final ChartPanel panel = new ChartPanel(chart); panel.setFillZoomRectangle(true); panel.setMouseWheelEnabled(true); return panel; } }