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.] * * ------------------------------ * CombinedCategoryPlotDemo1.java * ------------------------------ * (C) Copyright 2008, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): ; * * Changes * ------- * 05-May-2008 : Version 1 (DG); * */ package wef.articulab.view.ui; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.annotations.CategoryTextAnnotation; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.labels.StandardCategoryToolTipGenerator; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.experimental.chart.plot.CombinedCategoryPlot; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; import javax.swing.*; import java.awt.*; import java.util.ArrayList; /** * A demo for the {@link CombinedCategoryPlot} class. */ public class BNCategoryPlot extends ApplicationFrame { private static CategoryDataset dataset; private static String[] series; private static int time = 0; private static ArrayList<Double>[] behaviors; private static JFreeChart chart; private static int maxNumSamples = 20; private static double threshold; private static int idxBehActivated = -1; private static double activation; /** * Creates a new demo instance. * * @param title the frame title. */ public BNCategoryPlot(String title, String[] series) { super(title); this.series = series; JPanel chartPanel = createDemoPanel(); chartPanel.setPreferredSize(new java.awt.Dimension(1100, 1000)); setContentPane(chartPanel); } /** * Creates a dataset. * * @return A dataset. */ public static CategoryDataset createDataset() { return new DefaultCategoryDataset(); } public static CategoryDataset refreshDataset() { if (behaviors[0].size() < maxNumSamples) { if (behaviors != null) { int sizeSeries = series.length - 1; for (int i = 0; i < sizeSeries; i++) { int size = behaviors[i].size(); for (int j = 0; j < size; j++) { ((DefaultCategoryDataset) dataset).addValue((Number) behaviors[i].get(j), series[i], time); } } //activation threshold ((DefaultCategoryDataset) dataset).addValue((Number) threshold, series[sizeSeries], time); chart.getCategoryPlot() .addAnnotation(new CategoryTextAnnotation("Hi Oscar", series[idxBehActivated], activation)); //keep number of samples no bigger than maxNumSamples if (behaviors[0].size() > maxNumSamples) { for (int i = 0; i < behaviors.length; i++) { behaviors[i].remove(0); } ((DefaultCategoryDataset) dataset).removeColumn(0); } } } else { chart.getCategoryPlot().addAnnotation(new CategoryTextAnnotation("Hi Oscar", 10, activation)); } return dataset; } /** * Creates a chart. * * @return A chart. */ private static JFreeChart createChart() { dataset = createDataset(); NumberAxis rangeAxis1 = new NumberAxis("Value"); rangeAxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); LineAndShapeRenderer renderer = new LineAndShapeRenderer(); renderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator()); CategoryPlot subplot = new CategoryPlot(dataset, null, rangeAxis1, renderer); subplot.setDomainGridlinesVisible(true); CategoryAxis domainAxis = new CategoryAxis("Time"); CombinedCategoryPlot plot = new CombinedCategoryPlot(domainAxis, new NumberAxis("Activation")); plot.add(subplot); return new JFreeChart("Social Reasoner Plot", new Font("SansSerif", Font.BOLD, 12), plot, true); } /** * Creates a panel for the demo (used by SuperDemo.java). * * @return A panel. */ public static JPanel createDemoPanel() { chart = createChart(); return new ChartPanel(chart); } /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(String[] args) { String title = "Social Reasoner Plot"; startPlot(title, null); } public static BNCategoryPlot startPlot(String title, String[] series) { BNCategoryPlot demo = new BNCategoryPlot(title, series); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); return demo; } public static void setSeries(String[] series) { BNCategoryPlot.series = series; } public static void setTime(int time) { BNCategoryPlot.time = time; } public void setDataset(ArrayList<Double>[] behaviors, double threshhold, int idxBehActivated, double activation) { BNCategoryPlot.behaviors = behaviors; BNCategoryPlot.threshold = threshhold; BNCategoryPlot.idxBehActivated = idxBehActivated; BNCategoryPlot.activation = activation; refreshDataset(); chart.fireChartChanged(); time++; } }