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.NumberAxis; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.BarRenderer; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.general.DatasetUtilities; import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperCategoryChart_Bar; import edu.ucla.stat.SOCR.chart.gui.SOCRCategorySeriesLabelGenerator; /** * A simple demonstration application showing how to create a horizontal bar * chart. */ public class BarChartDemo5 extends SuperCategoryChart_Bar 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.getRowCount() - 1; int no_category = dataTable.getColumnCount() - 2; int[][] pairs = new int[no_category][2]; for (int i = 0; i < no_category; i++) { pairs[i][0] = i + 1; //column i store category i pairs[i][1] = 0; //column 0 stores series name } chart = chartMaker.getCategoryChart("Bar", chartTitle, "Category", "value", dataTable, no_category, pairs, "horizontal"); chartPanel = new ChartPanel(chart, false); setChart(); } /** * Creates a sample dataset. * * @return A sample dataset. */ protected CategoryDataset createDataset(boolean isDemo) { if (isDemo) { double[][] data = new double[][] { { 1.0, 43.0, 35.0, 58.0, 54.0, 77.0, 71.0, 89.0 }, { 54.0, 75.0, 63.0, 83.0, 43.0, 46.0, 27.0, 13.0 }, { 41.0, 33.0, 22.0, 34.0, 62.0, 32.0, 42.0, 34.0 } }; return DatasetUtilities.createCategoryDataset("Series ", "Factor ", data); } else return super.createDataset(false); } /** * Creates a chart. * * @param dataset the dataset. * * @return A chart. */ protected JFreeChart createChart(final CategoryDataset dataset) { // create the chart... JFreeChart chart = ChartFactory.createBarChart(chartTitle, // chart title domainLabel, // domain axis label rangeLabel, // range axis label dataset, // data PlotOrientation.HORIZONTAL, // orientation !legendPanelOn, // include legend true, false); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... CategoryPlot plot = chart.getCategoryPlot(); plot.getRenderer().setSeriesPaint(0, new Color(0, 0, 255)); plot.getRenderer().setSeriesPaint(1, new Color(75, 75, 255)); plot.getRenderer().setSeriesPaint(2, new Color(150, 150, 255)); // change the auto tick unit selection to integer units only... NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setRange(0.0, 100.0); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); BarRenderer renderer = (BarRenderer) plot.getRenderer(); renderer.setLegendItemLabelGenerator(new SOCRCategorySeriesLabelGenerator()); // NumberAxis hna = rangeAxis; // MarkerAxisBand band = new MarkerAxisBand(hna, 2.0, 2.0, 2.0, 2.0, // new Font("SansSerif", Font.PLAIN, 9)); // IntervalMarker m1 = new IntervalMarker(0.0, 33.0, "Low", Color.gray, // new BasicStroke(0.5f), Color.green, 0.75f); // IntervalMarker m2 = new IntervalMarker(33.0, 66.0, "Medium", Color.gray, // new BasicStroke(0.5f), Color.orange, 0.75f); // IntervalMarker m3 = new IntervalMarker(66.0, 100.0, "High", Color.gray, // new BasicStroke(0.5f), Color.red, 0.75f); // band.addMarker(m1); // band.addMarker(m2); // band.addMarker(m3); // hna.setMarkerBand(band); // OPTIONAL CUSTOMISATION COMPLETED. setCategorySummary(dataset); return chart; } protected JFreeChart createLegend(CategoryDataset dataset) { // JFreeChart chart = ChartFactory.createAreaChart( JFreeChart chart = ChartFactory.createBarChart(chartTitle, // chart title domainLabel, // domain axis label rangeLabel, // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation true, // include legend true, // tooltips false // urls ); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.setBackgroundPaint(Color.white); CategoryPlot plot = chart.getCategoryPlot(); plot.getRenderer().setSeriesPaint(0, new Color(0, 0, 255)); plot.getRenderer().setSeriesPaint(1, new Color(75, 75, 255)); plot.getRenderer().setSeriesPaint(2, new Color(150, 150, 255)); // renderer.setDrawOutlines(true); // renderer.setUseFillPaint(true); // renderer.setFillPaint(Color.white); BarRenderer renderer = (BarRenderer) plot.getRenderer(); renderer.setLegendItemLabelGenerator(new SOCRCategorySeriesLabelGenerator()); return chart; } }