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 java.util.StringTokenizer; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.block.ColumnArrangement; 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.LegendTitle; import org.jfree.data.time.Day; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; import org.jfree.data.xy.IntervalXYDataset; import org.jfree.ui.HorizontalAlignment; import org.jfree.ui.VerticalAlignment; import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperIntervalXYChart_Time; import edu.ucla.stat.SOCR.chart.data.DateParser; import edu.ucla.stat.SOCR.chart.gui.HiddenPlot; import edu.ucla.stat.SOCR.chart.gui.SOCRXYSeriesLabelGenerator; /** * A simple demonstration application showing how to create a bar chart with a date axis for the domain values. */ public class XYBarChartDemo2 extends SuperIntervalXYChart_Time implements PropertyChangeListener { public void init() { //LEGEND_SWITCH =false; // JFreeChart bug, can't show the legend Panel the order of the legend is wrong super.init(); } 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, "Category", "value", dataTable, no_series, pairs, "Day"); chartPanel = new ChartPanel(chart, false); setChart(); } protected IntervalXYDataset createDataset(boolean isDemo) { if (isDemo) { TimeSeries series1 = new TimeSeries("Series 1", Day.class); series1.add(new Day(1, 1, 2003), 54.3); series1.add(new Day(2, 1, 2003), 20.3); series1.add(new Day(3, 1, 2003), 43.4); series1.add(new Day(4, 1, 2003), -12.0); TimeSeries series2 = new TimeSeries("Series 2", Day.class); series2.add(new Day(1, 1, 2003), 8.0); series2.add(new Day(2, 1, 2003), 16.0); series2.add(new Day(3, 1, 2003), 21.0); series2.add(new Day(4, 1, 2003), 5.0); TimeSeriesCollection dataset = new TimeSeriesCollection(); //dataset.setDomainIsPointsInTime(false); dataset.addSeries(series1); dataset.addSeries(series2); return dataset; } else { 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++) { int start_ind = independentHeaders[ind].lastIndexOf(":"); if (start_ind < 0) start_ind = 0; String serieName = independentHeaders[ind].substring(0, start_ind); if (serieName.length() == 0) serieName = "Serie" + ind; series = new TimeSeries(serieName, Day.class); //TimeSeries("Executions", "Year", "Count", Year.class); for (int i = 0; i < xyLength; i++) { if (x[i][ind] != null && skipy[i][ind] != 1) { series.add(DateParser.parseDay(x[i][ind]), y[i][ind]); } } //collection.setDomainIsPointsInTime(false); collection.addSeries(series); } return collection; } } /** * Creates a chart. * * @param dataset the dataset. * * @return The chart. */ protected JFreeChart createChart(IntervalXYDataset dataset) { JFreeChart chart = ChartFactory.createXYBarChart(chartTitle, // chart title domainLabel, // domain axis label true, rangeLabel, // range axis label dataset, // data PlotOrientation.VERTICAL, !legendPanelOn, // include legend //false, // when choose no legend, the color order used in chart is different true, false); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... XYPlot plot = chart.getXYPlot(); plot.setRenderer(new ClusteredXYBarRenderer()); XYItemRenderer renderer = plot.getRenderer(); renderer.setBaseToolTipGenerator( new StandardXYToolTipGenerator(StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT, new SimpleDateFormat("d-MMM-yy"), new DecimalFormat("#,##0.00"))); renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator()); // OPTIONAL CUSTOMISATION COMPLETED. //setXSummary(dataset); X is time return chart; } protected JFreeChart createLegend(IntervalXYDataset dataset) { JFreeChart chart = ChartFactory.createXYBarChart(chartTitle, // chart title domainLabel, // domain axis label true, rangeLabel, // range axis label dataset, // data PlotOrientation.VERTICAL, true, // include legend true, false); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... XYPlot plot = chart.getXYPlot(); plot.setRenderer(new ClusteredXYBarRenderer()); XYItemRenderer renderer = plot.getRenderer(); renderer.setBaseToolTipGenerator( new StandardXYToolTipGenerator(StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT, new SimpleDateFormat("d-MMM-yy"), new DecimalFormat("#,##0.00"))); renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator()); // OPTIONAL CUSTOMISATION COMPLETED. //setXSummary(dataset); X is time return chart; } protected JFreeChart createLegendChart(JFreeChart origchart) { JFreeChart legendChart = new JFreeChart("", null, new HiddenPlot(), false); legendChart.setBackgroundPaint(Color.white); XYPlot plot = (XYPlot) origchart.getPlot(); LegendTitle legendTitle = new LegendTitle(plot, new ColumnArrangement(HorizontalAlignment.LEFT, VerticalAlignment.CENTER, 0, 0), new ColumnArrangement(HorizontalAlignment.LEFT, VerticalAlignment.CENTER, 0, 0)); legendChart.addLegend(legendTitle); return legendChart; } public void setDataTable(String input) { hasExample = true; StringTokenizer lnTkns = new StringTokenizer(input, "#"); String line; int lineCt = lnTkns.countTokens(); resetTableRows(lineCt); int r = 0; while (lnTkns.hasMoreTokens()) { line = lnTkns.nextToken(); // String tb[] =line.split("\t"); StringTokenizer serieTkns = new StringTokenizer(line, ";");// IE use "space" Mac use tab as cell separator int serieCnt = serieTkns.countTokens(); String tb[] = new String[serieCnt]; int r1 = 0; while (serieTkns.hasMoreTokens()) { tb[r1] = serieTkns.nextToken(); r1++; } //System.out.println("tb.length="+tb.length); int colCt = tb.length * 2; resetTableColumns(colCt); for (int i = 0; i < tb.length; i++) { StringTokenizer cellTkns = new StringTokenizer(tb[i], ","); dataTable.setValueAt(cellTkns.nextToken(), r, 2 * i); dataTable.setValueAt(cellTkns.nextToken(), r, 2 * i + 1); } r++; } // this will update the mapping panel resetTableColumns(dataTable.getColumnCount()); } }