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 org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.data.xy.XYDataset; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperXYChart; import edu.ucla.stat.SOCR.chart.gui.SOCRXYSeriesLabelGenerator; /** * A simple demonstration application showing how to create an area chart. */ public class XYAreaChartDemo1 extends SuperXYChart implements PropertyChangeListener { public void doTest() { JFreeChart chart; ChartGenerator_JTable chartMaker = new ChartGenerator_JTable(); resetChart(); showMessageDialog("XYAreaChartDemo1 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 } chart = chartMaker.getXYChart("Area", "Area Chart", "X", "Y", dataTable, no_series, pairs, ""); chartPanel = new ChartPanel(chart, false); setChart(); } protected XYDataset createDataset(boolean isDemo) { if (isDemo) { XYSeries series1 = new XYSeries("Random 1"); series1.add(new Integer(1), new Double(500.2)); series1.add(new Integer(2), new Double(694.1)); series1.add(new Integer(3), new Double(-734.4)); series1.add(new Integer(4), new Double(453.2)); series1.add(new Integer(5), new Double(500.2)); series1.add(new Integer(6), new Double(300.7)); series1.add(new Integer(7), new Double(734.4)); series1.add(new Integer(8), new Double(453.2)); XYSeries series2 = new XYSeries("Random 2"); series2.add(new Integer(1), new Double(700.2)); series2.add(new Integer(2), new Double(534.1)); series2.add(new Integer(3), new Double(323.4)); series2.add(new Integer(4), new Double(125.2)); series2.add(new Integer(5), new Double(653.2)); series2.add(new Integer(6), new Double(432.7)); series2.add(new Integer(7), new Double(564.4)); series2.add(new Integer(8), new Double(322.2)); XYSeriesCollection dataset = new XYSeriesCollection(); dataset.addSeries(series1); dataset.addSeries(series2); dataset.setIntervalWidth(0.0); return dataset; } else return super.createDataset(false); } /** * Creates a chart. * * @param dataset the dataset. * * @return A chart. */ protected JFreeChart createChart(XYDataset dataset) { JFreeChart chart = ChartFactory.createXYAreaChart(chartTitle, "Domain (X)", "Range (Y)", dataset, PlotOrientation.VERTICAL, !legendPanelOn, // legend true, // tool tips false // URLs ); chart.setBackgroundPaint(Color.white); XYPlot plot = (XYPlot) chart.getPlot(); plot.setBackgroundPaint(Color.lightGray); plot.setForegroundAlpha(0.65f); plot.setDomainGridlinePaint(Color.white); plot.setRangeGridlinePaint(Color.white); ValueAxis domainAxis = plot.getDomainAxis(); domainAxis.setTickMarkPaint(Color.black); domainAxis.setLowerMargin(0.0); domainAxis.setUpperMargin(0.0); ValueAxis rangeAxis = plot.getRangeAxis(); rangeAxis.setTickMarkPaint(Color.black); /* XYPointerAnnotation pointer = new XYPointerAnnotation( "Test", 5.0, -500.0, 3.0 * Math.PI / 4.0 ); pointer.setTipRadius(0.0); pointer.setBaseRadius(35.0); pointer.setFont(new Font("SansSerif", Font.PLAIN, 9)); pointer.setPaint(Color.blue); pointer.setTextAnchor(TextAnchor.HALF_ASCENT_RIGHT); plot.addAnnotation(pointer);*/ XYItemRenderer renderer = plot.getRenderer(); renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator()); setXSummary(dataset); return chart; } protected JFreeChart createLegend(XYDataset dataset) { JFreeChart chart = ChartFactory.createXYAreaChart(chartTitle, // chart title "Category", // domain axis label "Value", // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation true, // include legend true, // tooltips false // url ); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.setBackgroundPaint(Color.white); XYPlot plot = (XYPlot) chart.getPlot(); XYItemRenderer renderer = plot.getRenderer(); renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator()); return chart; } }