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.Dimension; import java.beans.PropertyChangeListener; import java.util.StringTokenizer; import java.lang.NumberFormatException; import javax.swing.BoxLayout; 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.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.ui.HorizontalAlignment; import org.jfree.ui.VerticalAlignment; import edu.ucla.stat.SOCR.chart.gui.HiddenPlot; 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. */ public class SuperCategoryChart_Stat extends SuperCategoryChart implements PropertyChangeListener { DefaultStatisticalCategoryDataset dataset; /** * sample code for generating chart using ChartGenerator_JTable */ public void doTest() { JFreeChart chart; ChartGenerator_JTable chartMaker = new ChartGenerator_JTable(); resetChart(); showMessageDialog("SuperCategoryChart_Stat 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("BarStat", "Category Chart", "Type", "value", dataTable, no_category, pairs, ""); chartPanel = new ChartPanel(chart, false); setChart(); } /** * @param isdemo data come from demo(true) or dataTable(false) */ protected CategoryDataset createDataset(boolean isDemo) { if (isDemo) { return super.createDataset(true); } else { try { setArrayFromTable(); double[][] xmean = new double[xyLength][independentVarLength]; double[][] xstdDev = new double[xyLength][independentVarLength]; String[][] y = new String[xyLength][dependentVarLength]; String[] ss = new String[2]; for (int index = 0; index < independentVarLength; index++) for (int i = 0; i < xyLength; i++) { if (indepValues[i][index] == null || indepValues[i][index].length() == 0) { xmean[i][index] = 0.0; xstdDev[i][index] = 0.0; } else { StringTokenizer st = new StringTokenizer(indepValues[i][index], DELIMITERS); ss[0] = st.nextToken(); ss[1] = st.nextToken(); // ss = indepValues[i][index].split("( *)+,+( *)"); xmean[i][index] = Double.parseDouble(ss[0]); xstdDev[i][index] = Double.parseDouble(ss[1]); } } for (int index = 0; index < dependentVarLength; index++) for (int i = 0; i < xyLength; i++) y[i][index] = depValues[i][index]; // create the dataset... dataset = new DefaultStatisticalCategoryDataset(); //dependent for (int j = 0; j < xyLength; j++) for (int i = 0; i < independentVarLength; i++) { if (y[j][0] != null) dataset.add(xmean[j][i], xstdDev[j][i], y[j][0], independentHeaders[i]); //System.out.println("adding :("+x[j][i]+","+y[j]+","+independentHeaders[i]+")" ); } return dataset; } catch (NumberFormatException e) { showMessageDialog("Data format error!"); return null; } } } /** * reset dataTable to default (demo data), and refesh chart */ public void resetExample() { dataset = (DefaultStatisticalCategoryDataset) createDataset(true); JFreeChart chart = createChart(dataset); chartPanel = new ChartPanel(chart, false); // setSummary(dataset); setChart(); hasExample = true; convertor.dataset2Table(dataset); JTable tempDataTable = convertor.getTable(); resetTableRows(tempDataTable.getRowCount() + 1); resetTableColumns(tempDataTable.getColumnCount() + 1); for (int i = 0; i < tempDataTable.getColumnCount(); i++) { columnModel.getColumn(i).setHeaderValue(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 setMapping(); updateStatus(url); } // this will update the mapping panel public void setMapping() { addButtonDependent(); int columnCount = dataTable.getColumnCount(); for (int i = 1; i < columnCount - 1; i++) addButtonIndependent(); } 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; for (int i = 1; i < columnModel.getColumnCount(); i++) columnModel.getColumn(i).setHeaderValue(domainLabel + i + "(Mean,StdDev)"); dataTable.setTableHeader(new EditableHeader(columnModel)); } public void setYLabel(String yLabel) { rangeLabel = yLabel; TableColumnModel columnModel = dataTable.getColumnModel(); columnModel.getColumn(0).setHeaderValue(rangeLabel); } 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 SOCRCategorySeriesLabelGenerator()); plot.setRenderer(renderer); // renderer.setDrawOutlines(true); // renderer.setUseFillPaint(true); // renderer.setFillPaint(Color.white); 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; } 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(); } } }