Java tutorial
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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.demo; import java.awt.Color; import java.beans.PropertyChangeListener; import java.text.SimpleDateFormat; 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.plot.XYPlot; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; 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.ui.RectangleInsets; import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperXYChart_Time; import edu.ucla.stat.SOCR.chart.data.DateParser; import edu.ucla.stat.SOCR.chart.gui.SOCRXYSeriesLabelGenerator; /** * A crosshair demo. */ public class CrosshairDemo3 extends SuperXYChart_Time implements PropertyChangeListener { /** * sample code showing how to create a chart using ChartGenerator_JTable class */ public void doTest() { JFreeChart chart; ChartGenerator_JTable chartMaker = new ChartGenerator_JTable(); resetChart(); showMessageDialog(chartTitle + " doTest get called!"); int no_series = (dataTable.getColumnCount() - 2) / 2; int[][] pairs = new int[no_series][2]; for (int i = 0; i < no_series; i++) { pairs[i][0] = 2 * i; //column x pairs[i][1] = 2 * i + 1; //column y } String time_type = "Month"; chart = chartMaker.getXYChart("LineTime", chartTitle, "X", "Y", dataTable, no_series, pairs, time_type); chartPanel = new ChartPanel(chart, false); setChart(); } protected JFreeChart createChart(XYDataset dataset) { JFreeChart c = ChartFactory.createTimeSeriesChart(chartTitle, // "Legal & General Unit Trust Prices", domainLabel, rangeLabel, // "Date", "Price Per Unit", dataset, !legendPanelOn, true, false); c.setBackgroundPaint(Color.white); XYPlot plot = (XYPlot) c.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); XYItemRenderer renderer = plot.getRenderer(); if (renderer instanceof XYLineAndShapeRenderer) { XYLineAndShapeRenderer rr = (XYLineAndShapeRenderer) renderer; rr.setBaseShapesVisible(true); rr.setBaseShapesFilled(true); } renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator()); DateAxis axis = (DateAxis) plot.getDomainAxis(); axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy")); //setXSummary(dataset) X is time; return c; } protected JFreeChart createLegend(XYDataset dataset) { JFreeChart chart = ChartFactory.createTimeSeriesChart(chartTitle, domainLabel, rangeLabel, dataset, true, true, false); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.setBackgroundPaint(Color.white); XYPlot plot = (XYPlot) chart.getPlot(); XYItemRenderer renderer = plot.getRenderer(); if (renderer instanceof XYLineAndShapeRenderer) { XYLineAndShapeRenderer rr = (XYLineAndShapeRenderer) renderer; rr.setBaseShapesVisible(true); rr.setBaseShapesFilled(true); } renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator()); return chart; } /** * Creates a dataset, consisting of two series of monthly data. * * @return the dataset. */ protected XYDataset createDataset(boolean isDemo) { if (isDemo) { chartTitle = "Legal & General Unit Trust Prices"; domainLabel = "Date"; rangeLabel = "Price Per Unit"; 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); // dataset.setDomainIsPointsInTime(true); return dataset; } else { super.setArrayFromTable(); String[][] x = new String[xyLength][independentVarLength]; double[][] y = new double[xyLength][dependentVarLength]; int[][] skipy = new int[xyLength][dependentVarLength]; for (int index = 0; index < independentVarLength; index++) for (int i = 0; i < xyLength; i++) x[i][index] = indepValues[i][index]; for (int index = 0; index < dependentVarLength; index++) for (int i = 0; i < xyLength; i++) if (depValues[i][index] == null || depValues[i][index].length() == 0) skipy[i][index] = 1; else y[i][index] = Double.parseDouble(depValues[i][index]); // create the dataset... TimeSeriesCollection collection = new TimeSeriesCollection(); TimeSeries series; for (int ind = 0; ind < independentVarLength; ind++) { if (independentHeaders[ind].indexOf(":") != -1) series = new TimeSeries( independentHeaders[ind].substring(0, independentHeaders[ind].indexOf(":")), Month.class); else series = new TimeSeries(independentHeaders[ind], Month.class); //TimeSeries("Executions", "Year", "Count", Year.class); for (int i = 0; i < xyLength; i++) { if (x[i][ind] != null && y[i][ind] != 1) series.add(DateParser.parseMonth(x[i][ind]), y[i][ind]); } //collection.setDomainIsPointsInTime(false); collection.addSeries(series); } return collection; } } }