Java tutorial
/**************************************************** Statistics Online Computational Resource (SOCR) http://www.StatisticsResource.org All SOCR programs, materials, tools and resources are developed by and freely disseminated to the entire community. Users may revise, extend, redistribute, modify under the terms of the Lesser GNU General Public License as published by the Open Source Initiative http://opensource.org/licenses/. All efforts should be made to develop and distribute factually correct, useful, portable and extensible resource all available in all digital formats for free over the Internet. SOCR resources are distributed in the hope that they will be useful, but without any warranty; without any explicit, implicit or implied warranty for merchantability or fitness for a particular purpose. See the GNU Lesser General Public License for more details see http://opensource.org/licenses/lgpl-license.php. http://www.SOCR.ucla.edu http://wiki.stat.ucla.edu/socr It s Online, Therefore, It Exists! ****************************************************/ package edu.ucla.stat.SOCR.chart; import java.awt.Color; import java.beans.PropertyChangeListener; import java.util.StringTokenizer; import javax.swing.JLabel; import javax.swing.table.TableColumnModel; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.data.xy.XYDataset; import org.jfree.ui.RectangleInsets; import edu.ucla.stat.SOCR.util.EditableHeader; /** * A simple demonstration application showing how to create a normal distribution chart. */ public class SuperNormalDistributionChart extends SuperXYChart implements PropertyChangeListener { public void init() { indLabel = new JLabel("Mean"); depLabel = new JLabel("StdDev"); super.init(); depMax = 50; // max number of dependent var indMax = 50; // max number of independent var updateStatus(url); resetExample(); validate(); } /** * sample code for generating chart using ChartGenerator_JTable */ public void doTest() { JFreeChart chart; ChartGenerator_JTable chartMaker = new ChartGenerator_JTable(); resetChart(); showMessageDialog("SuperNormalDistributionChart doTest get called!"); int[][] pairs = new int[1][2]; pairs[0][0] = 0; //mean pairs[0][1] = 1; // stdDev chart = chartMaker.getXYChart("ND", "Normaldistribution Chart", "X", "Y", dataTable, 1, pairs, "noshape nofill "); chartPanel = new ChartPanel(chart, false); setChart(); } /** * Creates a chart. * * @param dataset the dataset. * * @return a chart. */ protected JFreeChart createChart(XYDataset dataset) { // create the chart... JFreeChart chart = ChartFactory.createXYLineChart(chartTitle, // chart title domainLabel, // x axis label rangeLabel, // y axis label dataset, // data PlotOrientation.VERTICAL, !legendPanelOn, // include legend true, // tooltips false // urls ); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.setBackgroundPaint(Color.white); // get a reference to the plot for further customisation... XYPlot plot = (XYPlot) chart.getPlot(); plot.setBackgroundPaint(Color.lightGray); plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0)); plot.setDomainGridlinePaint(Color.white); plot.setRangeGridlinePaint(Color.white); XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer(); renderer.setBaseShapesVisible(true); renderer.setBaseShapesFilled(true); // change the auto tick unit selection to integer units only... NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); // OPTIONAL CUSTOMISATION COMPLETED. return chart; } public void setDataTable(String input) { hasExample = true; StringTokenizer lnTkns = new StringTokenizer(input, ";#"); resetTableColumns(2); resetTableRows(1); dataTable.setValueAt(lnTkns.nextToken(), 0, 0); dataTable.setValueAt(lnTkns.nextToken(), 0, 1); // this will update the mapping panel resetTableColumns(dataTable.getColumnCount()); } public void setXLabel(String xLabel) { domainLabel = xLabel; TableColumnModel columnModel = dataTable.getColumnModel(); columnModel.getColumn(0).setHeaderValue("Mean"); dataTable.setTableHeader(new EditableHeader(columnModel)); } public void setYLabel(String yLabel) { rangeLabel = yLabel; TableColumnModel columnModel = dataTable.getColumnModel(); columnModel.getColumn(1).setHeaderValue("StdDev"); dataTable.setTableHeader(new EditableHeader(columnModel)); } // this will update the mapping panel public void setMapping() { addButtonIndependent(); addButtonDependent(); } }