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.JOptionPane; 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.DateAxis; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.labels.StandardXYToolTipGenerator; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.data.time.Day; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; import org.jfree.data.xy.XYDataset; import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperXYChart; import edu.ucla.stat.SOCR.chart.data.DateParser; import edu.ucla.stat.SOCR.chart.gui.SOCRXYSeriesLabelGenerator; import edu.ucla.stat.SOCR.util.EditableHeader; /** * A simple demonstration application showing how to create an area chart with a date axis for * the domain values. */ public class XYAreaChartDemo2 extends SuperXYChart implements PropertyChangeListener { public void doTest() { JFreeChart chart; ChartGenerator_JTable chartMaker = new ChartGenerator_JTable(); resetChart(); showMessageDialog("XYAreaChartDemo2 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 } String time_type = "Day"; chart = chartMaker.getXYChart("AreaTime", "Area Chart", "X", "Y", dataTable, no_series, pairs, time_type); //chart = chartMaker.getXYAreaChart_Time("Area Chart", "X", "Y", dataTable, no_series, pairs, time_type); chartPanel = new ChartPanel(chart, false); setChart(); } protected XYDataset createDataset(boolean isDemo) { if (isDemo) { TimeSeries series1 = new TimeSeries("Random 1"); double value = 0.0; Day day = new Day(); for (int i = 0; i < 200; i++) { value = value + Math.random() - 0.5; series1.add(day, value); day = (Day) day.next(); } TimeSeriesCollection dataset = new TimeSeriesCollection(series1); return dataset; } else { setArrayFromTable(); if (independentVarLength != dependentVarLength) { JOptionPane.showMessageDialog(this, "The number of X and Y doesn't match!"); resetChart(); return null; } 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]); } TimeSeriesCollection dataset = new TimeSeriesCollection(); TimeSeries series; for (int i = 0; i < independentVarLength; i++) { String serieName = independentHeaders[i]; if (independentHeaders[i].lastIndexOf(":") != -1) serieName = independentHeaders[i].substring(0, independentHeaders[i].lastIndexOf(":")); series = new TimeSeries(serieName); for (int j = 0; j < xyLength; j++) { if (x[j][i] != null && skipy[j][i] != 1) series.add(DateParser.parseDay(x[j][i]), y[j][i]); //System.out.println("adding :("+x[j][i]+","+y[j][i]+","+independentHeaders[i]+")" ); } dataset.addSeries(series); } return dataset; } } /** * Creates a chart. * * @param dataset the dataset. * * @return The chart. */ protected JFreeChart createChart(XYDataset dataset) { JFreeChart chart = ChartFactory.createXYAreaChart(chartTitle, "Time", "Value", dataset, PlotOrientation.VERTICAL, !legendPanelOn, // legend true, // tool tips false // URLs ); XYPlot plot = chart.getXYPlot(); ValueAxis domainAxis = new DateAxis("Time"); domainAxis.setLowerMargin(0.0); domainAxis.setUpperMargin(0.0); plot.setDomainAxis(domainAxis); plot.setForegroundAlpha(0.5f); XYItemRenderer renderer = plot.getRenderer(); renderer.setBaseToolTipGenerator( new StandardXYToolTipGenerator(StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT, new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("#,##0.00"))); renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator()); // setXSummary(dataset); X is time 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; } public void resetExample() { isDemo = true; XYDataset dataset = createDataset(isDemo); JFreeChart chart = createChart(dataset); chartPanel = new ChartPanel(chart, false); setChart(); hasExample = true; convertor.dataset2Table((TimeSeriesCollection) dataset); JTable tempDataTable = convertor.getTable(); int seriesCount = tempDataTable.getColumnCount() / 2; resetTableRows(tempDataTable.getRowCount() + 1); resetTableColumns(seriesCount * 2 + 2); 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); } }