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.util.List; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.renderer.category.BoxAndWhiskerRenderer; import org.jfree.data.statistics.BoxAndWhiskerCategoryDataset; import org.jfree.data.statistics.DefaultBoxAndWhiskerCategoryDataset; import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperBoxAndWhiskerChart; import edu.ucla.stat.SOCR.chart.gui.SOCRCategoryCellLabelGenerator; /** * A simple demonstration application showing how to create a box-and-whisker * chart. */ public class BoxAndWhiskerChartDemo1 extends SuperBoxAndWhiskerChart 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.getBoxAndWhiskerCategoryChart(chartTitle, "Category", "value", dataTable, no_category, pairs, ""); chartPanel = new ChartPanel(chart, false); setChart(); } /** * Returns a sample dataset. * * @return The dataset. */ protected BoxAndWhiskerCategoryDataset createDataset(boolean isDemo) { if (isDemo) { SERIES_COUNT = 3; CATEGORY_COUNT = 2; VALUE_COUNT = 10; values_storage = new String[SERIES_COUNT][CATEGORY_COUNT]; DefaultBoxAndWhiskerCategoryDataset result = new DefaultBoxAndWhiskerCategoryDataset(); for (int s = 0; s < SERIES_COUNT; s++) { for (int c = 0; c < CATEGORY_COUNT; c++) { List values = createValueList(0, 20.0, VALUE_COUNT); values_storage[s][c] = vs; result.add(values, "Series " + s, "Category " + c); } } return result; } else return super.createDataset(false); } /** * Creates a sample chart. * * @param dataset the dataset. * * @return The chart. */ protected JFreeChart createChart(BoxAndWhiskerCategoryDataset dataset) { CategoryAxis domainAxis = new CategoryAxis(null); NumberAxis rangeAxis = new NumberAxis(rangeLabel); BoxAndWhiskerRenderer renderer = new BoxAndWhiskerRenderer(); CategoryPlot plot = new CategoryPlot(dataset, domainAxis, rangeAxis, renderer); JFreeChart chart = new JFreeChart(chartTitle, plot); chart.setBackgroundPaint(Color.white); plot.setBackgroundPaint(Color.lightGray); plot.setDomainGridlinePaint(Color.white); plot.setDomainGridlinesVisible(true); plot.setRangeGridlinePaint(Color.white); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); renderer.setLegendItemLabelGenerator( new SOCRCategoryCellLabelGenerator(dataset, values_storage, SERIES_COUNT, CATEGORY_COUNT)); //RowCount -- serie count if (dataset.getColumnCount() * dataset.getRowCount() < 5) { domainAxis.setLowerMargin(0.2); domainAxis.setUpperMargin(0.2); if (dataset.getColumnCount() == 1) renderer.setItemMargin(0.5); // domainAxis.setCategoryMargin(domainAxis.getCategoryMargin()*2); /* System.out.println("1lowerMargin="+domainAxis.getLowerMargin()); System.out.println("ItemMargin="+renderer.getItemMargin()); System.out.println("CategoryMargin="+domainAxis.getCategoryMargin());*/ } else if (dataset.getColumnCount() * dataset.getRowCount() < 10) { domainAxis.setLowerMargin(domainAxis.getLowerMargin() * 2); domainAxis.setUpperMargin(domainAxis.getUpperMargin() * 2); if (dataset.getColumnCount() == 1) renderer.setItemMargin(renderer.getItemMargin() * 2); else domainAxis.setCategoryMargin(domainAxis.getCategoryMargin() * 2); /*System.out.println("2lowerMargin="+domainAxis.getLowerMargin()); System.out.println("ItemMargin="+renderer.getItemMargin()); System.out.println("CategoryMargin="+domainAxis.getCategoryMargin());*/ } if (legendPanelOn) chart.removeLegend(); return chart; } }