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.awt.Dimension; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import java.text.DecimalFormat; import java.util.StringTokenizer; import java.lang.NumberFormatException; import javax.swing.BoxLayout; 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.block.ColumnArrangement; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.chart.renderer.category.StatisticalBarRenderer; import org.jfree.chart.title.LegendTitle; import org.jfree.data.category.CategoryDataset; import org.jfree.data.statistics.DefaultStatisticalCategoryDataset; import org.jfree.data.statistics.Statistics; import org.jfree.ui.HorizontalAlignment; import org.jfree.ui.VerticalAlignment; import edu.ucla.stat.SOCR.chart.gui.HiddenPlot; import edu.ucla.stat.SOCR.chart.gui.SOCRCategoryCellLabelGenerator; import edu.ucla.stat.SOCR.chart.gui.SOCRCategorySeriesLabelGenerator; import edu.ucla.stat.SOCR.util.EditableHeader; /** * A simple demonstration application showing how to create a statistical bar chart using category dataset. */ public class SuperCategoryChart_Stat_Raw extends Chart implements PropertyChangeListener { protected CategoryDataset dataset; /** * @uml.property name="sERIES_COUNT" */ protected int SERIES_COUNT; /** * @uml.property name="cATEGORY_COUNT" */ protected int CATEGORY_COUNT; /** * @uml.property name="vALUE_COUNT" */ protected int VALUE_COUNT; /** * @uml.property name="values_storage" multiplicity="(0 -1)" dimension="2" */ protected String values_storage[][]; /** * @uml.property name="vs" */ protected String vs; public void init() { depLabel = new JLabel("Series"); indLabel = new JLabel("Categories"); super.init(); depMax = 1; // max number of dependent var indMax = 100; // 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("SuperCategoryChart_Stat_Raw 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.getCategoryChart("BarStatRaw", "Category Chart", "Type", "value", dataTable, no_category, 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; } if (dependentIndex < 0 || independentIndex < 0 || independentLength == 0) { showMessageDialog(VARIABLE_MISSING_MESSAGE); resetChart(); return; } isDemo = false; dataset = createDataset(isDemo); // not a demo, so get data from the table JFreeChart chart = createChart(dataset); chartPanel = new ChartPanel(chart, isDemo); setChart(); //updateStatus("Chart has been updated, click GRAPH to view it."); } /** * * @param isDemo data come from demo(true) or dataTable(false) * @return */ protected CategoryDataset createDataset(boolean isDemo) { double mean, stdDev; if (isDemo) { SERIES_COUNT = 3; CATEGORY_COUNT = 5; VALUE_COUNT = 10; values_storage = new String[SERIES_COUNT][CATEGORY_COUNT]; DefaultStatisticalCategoryDataset dataset = new DefaultStatisticalCategoryDataset(); for (int s = 0; s < SERIES_COUNT; s++) { for (int c = 0; c < CATEGORY_COUNT; c++) { Double[] values = createValueList(0, 20.0, VALUE_COUNT); values_storage[s][c] = vs; mean = Statistics.calculateMean(values, false); stdDev = Statistics.getStdDev(values); dataset.add(mean, stdDev, "Series " + s, "Category " + c); } } domainLabel = "Series"; rangeLabel = "Value"; return dataset; } else { // setXYArray(); setArrayFromTable(); String[][] x = new String[xyLength][independentVarLength]; String[][] y = new String[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++) y[i][index] = depValues[i][index]; SERIES_COUNT = xyLength; CATEGORY_COUNT = independentVarLength; DefaultStatisticalCategoryDataset dataset = new DefaultStatisticalCategoryDataset(); values_storage = new String[SERIES_COUNT][CATEGORY_COUNT]; for (int s = 0; s < SERIES_COUNT; s++) { for (int c = 0; c < CATEGORY_COUNT; c++) { if (x[s][c] != null && x[s][c].length() != 0) { Double[] values = createValueList(x[s][c]); values_storage[s][c] = x[s][c]; mean = Statistics.calculateMean(values, false); stdDev = Statistics.getStdDev(values); if (y[s][0] != null) dataset.add(mean, stdDev, y[s][0], independentHeaders[c]); } } } return dataset; } } /** * * @param lowerBound * @param upperBound * @param count * @return */ protected Double[] createValueList(double lowerBound, double upperBound, int count) { vs = ""; DecimalFormat f = new DecimalFormat("#0.00"); Double[] result = new Double[count]; for (int i = 0; i < count; i++) { double v = lowerBound + (Math.random() * (upperBound - lowerBound)); result[i] = new Double(v); if (vs == "") vs += f.format(v); else vs += " , " + f.format(v); } return result; } /** * * @param in * @return */ protected Double[] createValueList(String in) { vs = in; // String[] values = in.split("( *)+,+( *)"); //int count = java.lang.reflect.Array.getLength(values); StringTokenizer st = new StringTokenizer(in, DELIMITERS); int count = st.countTokens(); String[] values = new String[count]; for (int i = 0; i < count; i++) values[i] = st.nextToken(); Double[] result = new Double[count]; for (int i = 0; i < count; i++) { // System.out.println(" SuperCat_stat_Raw: vlaues["+i+"]=*"+values[i]+"*"); if (values[i] != null) { try { double v = Double.parseDouble(values[i]); result[i] = new Double(v); } catch (NumberFormatException e) { result[i] = Double.NaN; } } else result[i] = Double.NaN; } return result; } /** * Creates a chart. * * @param dataset the dataset. * * @return a chart. */ protected JFreeChart createChart(CategoryDataset dataset) { // create the chart... // create the chart... JFreeChart chart = ChartFactory.createLineChart(chartTitle, // chart title domainLabel, // domain axis label rangeLabel, // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation !legendPanelOn, // include legend true, // tooltips false // urls ); chart.setBackgroundPaint(Color.white); CategoryPlot plot = (CategoryPlot) chart.getPlot(); plot.setBackgroundPaint(Color.lightGray); plot.setRangeGridlinePaint(Color.white); // customise the range axis... NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); rangeAxis.setAutoRangeIncludesZero(true); // customise the renderer... StatisticalBarRenderer renderer = new StatisticalBarRenderer(); renderer.setErrorIndicatorPaint(Color.black); plot.setRenderer(renderer); // OPTIONAL CUSTOMISATION COMPLETED. return chart; } protected JFreeChart createLegend(CategoryDataset dataset) { // JFreeChart chart = ChartFactory.createAreaChart( JFreeChart chart = ChartFactory.createLineChart(chartTitle, // chart title domainLabel, // domain axis label rangeLabel, // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation true, // include legend true, // tooltips false // urls ); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.setBackgroundPaint(Color.white); CategoryPlot plot = chart.getCategoryPlot(); StatisticalBarRenderer renderer = new StatisticalBarRenderer(); renderer.setErrorIndicatorPaint(Color.black); renderer.setLegendItemLabelGenerator( new SOCRCategoryCellLabelGenerator(dataset, values_storage, SERIES_COUNT, CATEGORY_COUNT)); plot.setRenderer(renderer); return chart; } protected JFreeChart createLegendChart(JFreeChart origchart) { JFreeChart legendChart = new JFreeChart("", null, new HiddenPlot(), false); legendChart.setBackgroundPaint(Color.white); CategoryPlot plot = origchart.getCategoryPlot(); 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 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(); } /** * reset dataTable to default (demo data), and refesh chart */ public void resetExample() { dataset = createDataset(true); JFreeChart chart = createChart(dataset); chartPanel = new ChartPanel(chart, false); setChart(); hasExample = true; convertor.valueList2Table(values_storage, SERIES_COUNT, CATEGORY_COUNT); JTable tempDataTable = convertor.getTable(); // resetTable(); resetTableRows(tempDataTable.getRowCount() + 1); resetTableColumns(tempDataTable.getColumnCount() + 1); for (int i = 0; i < tempDataTable.getColumnCount(); 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); 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 addButtonDependent(); int columnCount = dataset.getColumnCount(); for (int i = 0; i < columnCount; i++) addButtonIndependent(); updateStatus(url); } 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 cellTkns = new StringTokenizer(line, ";");// IE use "space" Mac use tab as cell separator 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; resetTableColumns(colCt); for (int i = 0; i < tb.length; i++) { //System.out.println(tb[i]); if (tb[i].length() == 0) tb[i] = "0"; dataTable.setValueAt(tb[i], r, i); } r++; } // this will update the mapping panel resetTableColumns(dataTable.getColumnCount()); } public void setXLabel(String xLabel) { domainLabel = xLabel; TableColumnModel columnModel = dataTable.getColumnModel(); columnModel.getColumn(0).setHeaderValue("Series"); for (int i = 1; i < columnModel.getColumnCount(); i++) columnModel.getColumn(i).setHeaderValue(domainLabel + i); dataTable.setTableHeader(new EditableHeader(columnModel)); } public void setYLabel(String yLabel) { rangeLabel = yLabel; } public void setMapping() { addButtonDependent(); int columnCount = dataTable.getColumnCount(); for (int i = 0; i < columnCount; i++) addButtonIndependent(); } protected void setChart() { // update graph // System.out.println("setChart called"); graphPanel.removeAll(); graphPanel.setLayout(new BoxLayout(graphPanel, BoxLayout.Y_AXIS)); chartPanel.setPreferredSize(new Dimension(CHART_SIZE_X, CHART_SIZE_Y)); if (legendPanelOn) { JFreeChart chart2 = createLegendChart(createLegend(dataset)); legendPanel = new ChartPanel(chart2, false); //legendPanel.setPreferredSize(new Dimension(CHART_SIZE_X,CHART_SIZE_Y*2/3)); } graphPanel.add(chartPanel); JScrollPane legendPane = new JScrollPane(legendPanel); if (legendPanelOn) { legendPane.setPreferredSize(new Dimension(CHART_SIZE_X, CHART_SIZE_Y / 5)); graphPanel.add(legendPane); } graphPanel.validate(); // get the GRAPH panel to the front if (tabbedPanelContainer.getTitleAt(tabbedPanelContainer.getSelectedIndex()) != ALL) { tabbedPanelContainer.setSelectedIndex(tabbedPanelContainer.indexOfComponent(graphPanel)); graphPanel.removeAll(); graphPanel.setLayout(new BoxLayout(graphPanel, BoxLayout.Y_AXIS)); graphPanel.add(chartPanel); if (legendPanelOn) { legendPane = new JScrollPane(legendPanel); legendPane.setPreferredSize(new Dimension(CHART_SIZE_X, CHART_SIZE_Y / 5)); graphPanel.add(legendPane); } graphPanel.validate(); } else { graphPanel2.removeAll(); chartPanel.setPreferredSize(new Dimension(CHART_SIZE_X * 2 / 3, CHART_SIZE_Y * 2 / 3)); //legendPanel.setPreferredSize(new Dimension(CHART_SIZE_X*2/3,CHART_SIZE_Y*2/5)); graphPanel2.add(chartPanel); if (legendPanelOn) { legendPane = new JScrollPane(legendPanel); legendPane.setPreferredSize(new Dimension(CHART_SIZE_X * 2 / 3, CHART_SIZE_Y * 2 / 5)); graphPanel2.add(legendPane); } graphPanel2.validate(); summaryPanel.validate(); } } /*protected void setSummary(CategoryDataset ds){ summaryPanel.removeAll(); summaryPanel.setText("Summary:\n"); Summary s = new Summary(ds); int seriesCount = s.getSeriesCount(); for (int i=0; i<seriesCount; i++) summaryPanel.append(s.getSerieName(i)+": " +s.getSummary(i)); }*/ }