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.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.ValueAxis; import org.jfree.chart.labels.StandardCategoryItemLabelGenerator; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.BarRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.RectangleInsets; import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperCategoryChart_Bar; import edu.ucla.stat.SOCR.chart.gui.SOCRCategorySeriesLabelGenerator; import edu.ucla.stat.SOCR.util.EditableHeader; /** * A sample waterfall chart. */ public class HistogramChartDemo7 extends SuperCategoryChart_Bar implements PropertyChangeListener { protected String[] raw_x; protected double[] raw_y; public void init() { indLabel = new JLabel("X"); depLabel = new JLabel("Frequency"); super.init(); depMax = 1; // max number of dependent var indMax = 1; // max number of independent var updateStatus(url); resetExample(); validate(); } public void doTest() { JFreeChart chart; ChartGenerator_JTable chartMaker = new ChartGenerator_JTable(); resetChart(); showMessageDialog(chartTitle + " doTest get called!"); } /** * Creates a sample dataset for the demo. * * @return A sample dataset. */ protected CategoryDataset createDataset(boolean isDemo) { if (isDemo) { domainLabel = "TailLength"; rangeLabel = "NumberDeermice"; raw_x = new String[9]; raw_y = new double[9]; raw_y[0] = 1; raw_y[1] = 3; raw_y[2] = 11; raw_y[3] = 18; raw_y[4] = 21; raw_y[5] = 20; raw_y[6] = 9; raw_y[7] = 2; raw_y[8] = 1; raw_x[0] = "52-53"; raw_x[1] = "54-55"; raw_x[2] = "56-57"; raw_x[3] = "58-59"; raw_x[4] = "60-61"; raw_x[5] = "62-63"; raw_x[6] = "64-65"; raw_x[7] = "66-67"; raw_x[8] = "68-69"; xyLength = 9; DefaultCategoryDataset dataset = new DefaultCategoryDataset(); for (int j = 0; j < xyLength; j++) ((DefaultCategoryDataset) dataset).addValue(raw_y[j], "TailLength", raw_x[j]); return dataset; } else { trimColumn = true; setArrayFromTable(); raw_x = new String[xyLength];//independentVarLength=1 raw_y = new double[xyLength];//dependentVarLength=1 for (int i = 0; i < xyLength; i++) raw_x[i] = indepValues[i][0]; for (int i = 0; i < xyLength; i++) if (depValues[i][0] != null && depValues[i][0] != "null" && depValues[i][0].length() != 0) raw_y[i] = Double.parseDouble(depValues[i][0]); else raw_y[i] = 0.0; domainLabel = independentHeaders[0]; rangeLabel = dependentHeaders[0]; dataset = new DefaultCategoryDataset(); for (int j = 0; j < xyLength; j++) for (int i = 0; i < independentVarLength; i++) { ((DefaultCategoryDataset) dataset).addValue(raw_y[j], independentHeaders[i], raw_x[j]); //System.out.println("adding :("+x[j][i]+","+y[j][0]+","+independentHeaders[i]+")" ); } return dataset; } } /** * Returns the chart. * * @param dataset the dataset. * * @return The chart. */ protected JFreeChart createChart(CategoryDataset dataset) { JFreeChart chart = ChartFactory.createBarChart(chartTitle, domainLabel, rangeLabel, dataset, PlotOrientation.VERTICAL, false, //!legendPanelOn, true, false); chart.setBackgroundPaint(Color.white); CategoryPlot plot = chart.getCategoryPlot(); plot.setBackgroundPaint(Color.lightGray); plot.setRangeGridlinePaint(Color.white); plot.setRangeGridlinesVisible(true); plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0)); ValueAxis rangeAxis = plot.getRangeAxis(); BarRenderer renderer = (BarRenderer) plot.getRenderer(); renderer.setDrawBarOutline(false); renderer.setLegendItemLabelGenerator(new SOCRCategorySeriesLabelGenerator()); DecimalFormat labelFormatter = new DecimalFormat("##,###.##"); labelFormatter.setNegativePrefix("("); labelFormatter.setNegativeSuffix(")"); renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator("{2}", labelFormatter)); renderer.setBaseItemLabelsVisible(true); //setCategorySummary(dataset); return chart; } public void resetExample() { isDemo = true; dataset = createDataset(isDemo); JFreeChart chart = createChart(dataset); chartPanel = new ChartPanel(chart, false); setChart(); hasExample = true; //convertor.dataset2Table(dataset); convertor.data2Table(raw_x, raw_y, domainLabel, rangeLabel, xyLength); JTable tempDataTable = convertor.getTable(); resetTableRows(tempDataTable.getRowCount() + 1); columnModel = dataTable.getColumnModel(); dataTable.setTableHeader(new EditableHeader(columnModel)); resetTableColumns(tempDataTable.getColumnCount()); for (int i = 0; i < tempDataTable.getColumnCount(); i++) { columnModel.getColumn(i).setHeaderValue(tempDataTable.getColumnName(i)); // System.out.println("updateExample tempDataTable["+i+"] = " +tempDataTable.getColumnName(i)); } for (int i = 0; i < tempDataTable.getRowCount(); i++) for (int j = 0; j < tempDataTable.getColumnCount(); j++) { dataTable.setValueAt(tempDataTable.getValueAt(i, j), i, j); } columnModel = dataTable.getColumnModel(); dataTable.setTableHeader(new EditableHeader(columnModel)); dataPanel.removeAll(); JScrollPane tablePanel = new JScrollPane(dataTable); tablePanel.setRowHeaderView(headerTable); dataPanel.add(tablePanel); dataPanel.add(new JScrollPane(summaryPanel)); 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(); setMapping(); updateStatus(url); } public void setXLabel(String xLabel) { domainLabel = xLabel; TableColumnModel columnModel = dataTable.getColumnModel(); columnModel.getColumn(0).setHeaderValue(xLabel); dataTable.setTableHeader(new EditableHeader(columnModel)); } public void setYLabel(String yLabel) { rangeLabel = yLabel; TableColumnModel columnModel = dataTable.getColumnModel(); columnModel.getColumn(1).setHeaderValue(yLabel); // System.out.println("histogram7 setting yLabel="+yLabel); dataTable.setTableHeader(new EditableHeader(columnModel)); } public void setMapping() { // System.out.println("Histogram 7 mapping get called"); addButtonIndependent(); addButtonDependent(); } }