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.DecimalFormat; import java.text.SimpleDateFormat; import javax.swing.JScrollPane; import javax.swing.JTable; 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.labels.StandardXYToolTipGenerator; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.ClusteredXYBarRenderer; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.chart.title.TextTitle; import org.jfree.data.time.TimeSeriesCollection; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; import org.jfree.data.xy.IntervalXYDataset; import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperIntervalXYChart; import edu.ucla.stat.SOCR.chart.SuperHistogramChart; import edu.ucla.stat.SOCR.chart.data.SimpleIntervalXYDataset; import edu.ucla.stat.SOCR.chart.gui.SOCRXYSeriesLabelGenerator; import edu.ucla.stat.SOCR.util.EditableHeader; /** * A simple demonstration application showing how to create a bar chart using * an {@link XYPlot}. */ public class HistogramChartDemo4 extends SuperIntervalXYChart implements PropertyChangeListener { 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] = i * 2; //column 1 stores value pairs[i][1] = i * 2 + 1; //column 0 stores time } chart = chartMaker.getXYChart("Bar", chartTitle, "Value", "Frequency", dataTable, no_series, pairs, ""); chartPanel = new ChartPanel(chart, false); setChart(); } protected JFreeChart createChart(IntervalXYDataset dataset) { JFreeChart chart = ChartFactory.createXYBarChart(chartTitle, domainLabel, false, rangeLabel, dataset, PlotOrientation.VERTICAL, false, //!legendPanelOn, true, false); // then customise it a little... // chart.addSubtitle(new TextTitle("Source: http://www.amnestyusa.org/abolish/listbyyear.do")); chart.setBackgroundPaint(Color.white); XYPlot plot = chart.getXYPlot(); plot.setRenderer(new ClusteredXYBarRenderer()); XYItemRenderer renderer = plot.getRenderer(); NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis(); domainAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator()); return chart; } /** * Creates a sample dataset. */ protected IntervalXYDataset createDataset(boolean isDemo) { if (isDemo) { domainLabel = "Data"; rangeLabel = "Frequency"; double[] x_start, x_end; int[] y_freq; x_start = new double[12]; x_end = new double[12]; y_freq = new int[12]; x_start[0] = 1976; x_start[1] = 1977; x_start[2] = 1978; x_start[3] = 1979; x_start[4] = 1980; x_start[5] = 1981; x_start[6] = 1982; x_start[7] = 1983; x_start[8] = 1984; x_start[9] = 1985; x_start[10] = 1986; x_start[11] = 1987; for (int i = 0; i < 12; i++) x_end[i] = x_start[i] + 1; y_freq[0] = 0; y_freq[1] = 1; y_freq[2] = 0; y_freq[3] = 2; y_freq[4] = 0; y_freq[5] = 1; y_freq[6] = 2; y_freq[7] = 5; y_freq[8] = 21; y_freq[9] = 18; y_freq[10] = 18; y_freq[11] = 25; IntervalXYDataset dataset = new SimpleIntervalXYDataset(12, x_start, x_end, y_freq); return dataset; /* XYSeries t1 = new XYSeries(""); try { t1.add(new Double(1976), new Integer(0)); t1.add(new Double(1977), new Integer(1)); t1.add(new Double(1978), new Integer(0)); t1.add(new Double(1979), new Integer(2)); t1.add(new Double(1980), new Integer(0)); t1.add(new Double(1981), new Integer(1)); t1.add(new Double(1982), new Integer(2)); t1.add(new Double(1983), new Integer(5)); t1.add(new Double(1984), new Integer(21)); t1.add(new Double(1985), new Integer(18)); t1.add(new Double(1986), new Integer(18)); t1.add(new Double(1987), new Integer(25)); } catch (Exception e) { System.err.println(e.getMessage()); } XYSeriesCollection tsc = new XYSeriesCollection(t1); return tsc;*/ } else { IntervalXYDataset ds = super.createDataset(false); domainLabel = independentHeaders[0]; rangeLabel = dependentHeaders[0]; return ds; } } /** * reset dataTable to default (demo data), and refesh chart */ public void resetExample() { isDemo = true; IntervalXYDataset dataset = createDataset(isDemo); JFreeChart chart = createChart(dataset); chartPanel = new ChartPanel(chart, false); setChart(); hasExample = true; convertor.dataset2Table(dataset); JTable tempDataTable = convertor.getTable(); int seriesCount = tempDataTable.getColumnCount() / 2; resetTableRows(tempDataTable.getRowCount() + 1); resetTableColumns(seriesCount * 2); //correct the column name columnModel.getColumn(0).setHeaderValue("Data"); columnModel.getColumn(1).setHeaderValue("Frequency"); domainLabel = "Data"; rangeLabel = "Frequency"; /* for(int i=0;i<seriesCount*2;i++) { columnModel.getColumn(i).setHeaderValue(tempDataTable.getColumnName(i)); // System.out.println("updateExample tempDataTable["+i+"] = " +tempDataTable.getColumnName(i)); }*/ columnModel = dataTable.getColumnModel(); dataTable.setTableHeader(new EditableHeader(columnModel)); for (int i = 0; i < tempDataTable.getRowCount(); i++) for (int j = 0; j < tempDataTable.getColumnCount(); j++) { dataTable.setValueAt(tempDataTable.getValueAt(i, j), i, j); } dataPanel.removeAll(); dataPanel.add(new JScrollPane(dataTable)); dataTable.setGridColor(Color.gray); dataTable.setShowGrid(true); // this is a fix for the BAD SGI Java VM - not up to date as of dec. 22, 2003 try { dataTable.setDragEnabled(true); } catch (Exception e) { } dataPanel.validate(); // do the mapping for (int i = 0; i < seriesCount; i++) { addButtonIndependent(); addButtonDependent(); } updateStatus(url); } }