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; import java.awt.Color; import java.awt.Container; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import java.util.StringTokenizer; import javax.swing.JLabel; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.table.TableColumnModel; 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.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.data.xy.XYDataset; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; import org.jfree.ui.RectangleInsets; import edu.ucla.stat.SOCR.analyses.data.DataCase; import edu.ucla.stat.SOCR.analyses.exception.DataException; import edu.ucla.stat.SOCR.chart.data.Summary; import edu.ucla.stat.SOCR.util.AnalysisUtility; import edu.ucla.stat.SOCR.util.EditableHeader; import edu.ucla.stat.SOCR.util.RegressionLine; /** * A simple demonstration application showing how to create a QQ data vs data chart. */ public class SuperXYChart_QQ_DD extends SuperXYChart implements PropertyChangeListener { protected int x_row_count, y_row_count, larger_row_count; protected double min_x, max_x; protected String[] raw_x, raw_y; protected double[] stdResiduals, normalQuantiles; public void init() { trimColumn = false; indLabel = new JLabel("Group 1"); //X depLabel = new JLabel("Group 2"); //Y super.init(); depMax = 2; // max number of dependent var indMax = 2; // max number of independent var updateStatus(url); resetExample(); validate(); } /** * sample code for generating chart using ChartGenerator_JTable */ public void doTest() { JFreeChart chart; ChartGenerator_JTable chartMaker = new ChartGenerator_JTable(); resetChart(); showMessageDialog("SuperXYChart_QQ_DD doTest get called!"); int no_series = dataTable.getColumnCount() / 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 } chart = chartMaker.getXYChart("LineQQDD", "QQD2D Chart", "Group1", "Group 2", dataTable, no_series, pairs, ""); chartPanel = new ChartPanel(chart, false); setChart(); } /** * create chart using data from the dataTable */ public void doChart() { if (dataTable.isEditing()) dataTable.getCellEditor().stopCellEditing(); if (!hasExample) { showMessageDialog(DATA_MISSING_MESSAGE); resetChart(); return; } isDemo = false; XYDataset dataset = createDataset(isDemo); JFreeChart chart = createChart(dataset); chartPanel = new ChartPanel(chart, isDemo); setChart(); } /** * Creates a sample dataset. * * @return a sample dataset. */ protected XYDataset createDataset(boolean isDemo) { if (isDemo) { updateStatus("isDemo==true in " + this.getClass().getName() + " class! return null Dataset, check the code!"); return null; } else { setArrayFromTable(); //System.out.println("ind="+independentVarLength +" dep="+dependentVarLength); if (independentVarLength != dependentVarLength) { showMessageDialog("The number of X and Y doesn't match!"); resetChart(); return null; } // allow X and Y have different rowcount String[] raw_x_tmp = new String[xyLength]; String[] raw_y_tmp = new String[xyLength]; // System.out.println("xyLength="+xyLength); int k = 0; for (int index = 0; index < independentVarLength; index++) for (int i = 0; i < xyLength; i++) { if (indepValues[i][index] != null) if (indepValues[i][index] != "null" && indepValues[i][index].length() != 0) { raw_x_tmp[k] = indepValues[i][index]; k++; } } x_row_count = k; raw_x = new String[x_row_count]; for (int i = 0; i < k; i++) raw_x[i] = raw_x_tmp[i]; k = 0; for (int index = 0; index < dependentVarLength; index++) for (int i = 0; i < xyLength; i++) if (depValues[i][index] != null) if (depValues[i][index] != "null" && depValues[i][index].length() != 0) { raw_y_tmp[k] = depValues[i][index]; k++; } y_row_count = k; raw_y = new String[y_row_count]; for (int i = 0; i < k; i++) raw_y[i] = raw_y_tmp[i]; if (y_row_count >= x_row_count) larger_row_count = y_row_count; else larger_row_count = x_row_count; do_dd(); int len = normalQuantiles.length; // create the dataset... XYSeriesCollection dataset = new XYSeriesCollection(); XYSeries series; series = new XYSeries("QQ"); // Ivo Test: for (int j = 0; j < len; j++) { //for (int j=0; j<xyLength; j++){ series.add(normalQuantiles[j], stdResiduals[j]); } dataset.addSeries(series); try { XYSeries series2 = new XYSeries("Reference Line"); RegressionLine refLine = new RegressionLine(normalQuantiles, stdResiduals); double intercept = refLine.getIntercept(); double slope = refLine.getSlope(); min_x = Math.min(normalQuantiles[0], stdResiduals[0]); double min_y = slope * min_x + intercept; // Ivo Test: //System.out.println("len="+len +" normalQ"+normalQuantiles[len-1] +" stdR"+stdResiduals[len-1]); max_x = Math.max(normalQuantiles[len - 1], stdResiduals[len - 1]); //max_x = Math.max (normalQuantiles[xyLength-1],stdResiduals[xyLength-1]); double max_y = slope * max_x + intercept; series2.add(min_x, min_y); series2.add(max_x, max_y); dataset.addSeries(series2); } catch (DataException e) { System.out.println("cought dataException"); e.printStackTrace(); } return dataset; } } /** * Creates a chart. * * @param dataset the dataset. * * @return a chart. */ protected JFreeChart createChart(XYDataset dataset) { // create the chart... JFreeChart chart = ChartFactory.createXYLineChart(chartTitle, // chart title domainLabel, // x axis label rangeLabel, // y axis label dataset, // data PlotOrientation.VERTICAL, !legendPanelOn, // include legend true, // tooltips false // urls ); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.setBackgroundPaint(Color.white); // get a reference to the plot for further customisation... XYPlot plot = (XYPlot) chart.getPlot(); plot.setBackgroundPaint(Color.lightGray); plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0)); plot.setDomainGridlinePaint(Color.white); plot.setRangeGridlinePaint(Color.white); XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer(); renderer.setBaseShapesVisible(true); renderer.setBaseShapesFilled(true); // change the auto tick unit selection to integer units only... NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); // OPTIONAL CUSTOMISATION COMPLETED. return chart; } /** * reset dataTable to default (demo data), and refesh chart */ public void resetExample() { XYDataset dataset = createDataset(true); JFreeChart chart = createChart(dataset); chartPanel = new ChartPanel(chart, false); setChart(); hasExample = true; convertor.XY2Table(raw_x, raw_y, larger_row_count); JTable tempDataTable = convertor.getTable(); resetTableRows(tempDataTable.getRowCount() + 1); resetTableColumns(tempDataTable.getColumnCount()); for (int i = 0; i < tempDataTable.getColumnCount(); i++) { //columnModel.getColumn(i).setHeaderValue(tempDataTable.getColumnName(i)); columnModel.getColumn(i).setHeaderValue("Group " + (i + 1)); } 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); dataTable.doLayout(); // 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 setMapping(); updateStatus(url); } public void propertyChange(PropertyChangeEvent e) { String propertyName = e.getPropertyName(); System.err.println("From RegCorrAnal:: propertyName =" + propertyName + "!!!"); if (propertyName.equals("DataUpdate")) { //update the local version of the dataTable by outside source dataTable = (JTable) (e.getNewValue()); dataPanel.removeAll(); dataPanel.add(new JScrollPane(dataTable)); dataTable.doLayout(); System.err.println("From RegCorrAnal:: data UPDATED!!!"); } } public Container getDisplayPane() { return this.getContentPane(); } //Data vs Data public void do_dd() { //System.out.println("x_row_count"+x_row_count +" y_row_count"+y_row_count); double[] x = new double[x_row_count]; double[] y = new double[y_row_count]; try { for (int i = 0; i < x_row_count; i++) { if (raw_x[i].length() == 0) x[i] = 0.0; else x[i] = Double.parseDouble(raw_x[i]); } for (int i = 0; i < y_row_count; i++) { if (raw_y[i].length() == 0) y[i] = 0.0; y[i] = Double.parseDouble(raw_y[i]); } } catch (NumberFormatException e) { showMessageDialog("Data format error!"); } //stdResiduals = RandomGenerator.getGeneratedArray(x, RandomGenerator.NORMAL); stdResiduals = AnalysisUtility.getQuantileArray(x); DataCase[] sortedResidual = AnalysisUtility.getSortedRedidual(stdResiduals); //System.err.println("sortedResidual.length="+sortedResidual.length); for (int i = 0; i < sortedResidual.length; i++) { stdResiduals[i] = sortedResidual[i].getValue(); } //normalQuantiles = RandomGenerator.getGeneratedArray(y, RandomGenerator.NORMAL); normalQuantiles = AnalysisUtility.getQuantileArray(y); DataCase[] sortedQuantiles = AnalysisUtility.getSortedRedidual(normalQuantiles); //System.err.println("sortedQuantiles.length="+sortedQuantiles.length); for (int i = 0; i < sortedQuantiles.length; i++) { normalQuantiles[i] = sortedQuantiles[i].getValue(); } } protected void setQQSummary(XYDataset ds) { summaryPanel.removeAll(); summaryPanel.setText("Summary:\n"); Summary s = new Summary(ds); int categoryCount = s.getCategoryCount(); for (int i = 0; i < categoryCount; i++) summaryPanel.append(s.getQQSummary(i)); summaryPanel.validate(); } public void setDataTable(String input) { hasExample = true; StringTokenizer lnTkns = new StringTokenizer(input, "#"); String line; int lineCt = lnTkns.countTokens(); resetTableRows(0); resetTableColumns(lineCt); int r = 0; while (lnTkns.hasMoreTokens()) { line = lnTkns.nextToken(); // String tb[] =line.split("\t"); StringTokenizer cTkns = new StringTokenizer(line, ";"); if (r == 0) { domainLabel = cTkns.nextToken(); } if (r == 1) { rangeLabel = cTkns.nextToken(); } StringTokenizer cellTkns = new StringTokenizer(cTkns.nextToken(), ","); int cellCnt = cellTkns.countTokens(); String tb[] = new String[cellCnt]; int r1 = 0; while (cellTkns.hasMoreTokens()) { tb[r1] = cellTkns.nextToken(); r1++; } //System.out.println("tb.length="+tb.length); int colCt = tb.length; // System.out.println("rowCount="+dataTable.getRowCount()+" input count="+colCt); if (dataTable.getRowCount() < colCt) resetTableRows(colCt); for (int i = 0; i < tb.length; i++) { dataTable.setValueAt(tb[i], i, r); } r++; } // this will update the mapping panel resetTableColumns(dataTable.getColumnCount()); TableColumnModel columnModel = dataTable.getColumnModel(); columnModel.getColumn(0).setHeaderValue(domainLabel); columnModel.getColumn(1).setHeaderValue(rangeLabel); } public void setMapping() { addButtonIndependent(); addButtonDependent(); } }