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.gui.SOCROptionPane; import edu.ucla.stat.SOCR.util.EditableHeader; /** * A simple demonstration application showing how to create a bar chart. */ public class SuperMultiIndexChart extends Chart implements PropertyChangeListener { protected String[][] raw_x2; protected int row_count; public void init() { indLabel = new JLabel("X"); //depLabel = new JLabel("Y"); mapDep = false; super.init(); // depMax = 10; // max number of dependent var indMax = 100; // max number of independent var updateStatus(url); resetExample(); validate(); } /** * create chart using data from the dataTable */ public void doChart() { if (dataTable.isEditing()) dataTable.getCellEditor().stopCellEditing(); if (!hasExample) { SOCROptionPane.showMessageDialog(this, DATA_MISSING_MESSAGE); resetChart(); return; } isDemo = false; XYDataset dataset = createDataset(isDemo); JFreeChart chart = createChart(dataset); chartPanel = new ChartPanel(chart, isDemo); setChart(); } /** * sample code for generating chart using ChartGenerator_JTable */ public void doTest() { JFreeChart chart; ChartGenerator_JTable chartMaker = new ChartGenerator_JTable(); resetChart(); showMessageDialog("SuperIndexChart doTest get called!"); int no_series = dataTable.getColumnCount(); //one y column only int[][] pairs = new int[no_series][2]; for (int i = 0; i < no_series; i++) { pairs[i][0] = 0; // there is no x column pairs[i][1] = 0; //column y } chart = chartMaker.getXYChart("Index", "Index Chart", "Row", "Data", dataTable, no_series, pairs, "noshape"); chartPanel = new ChartPanel(chart, false); setChart(); } /** * * @param isDemo data come from demo(true) or dataTable(false) * @return */ protected XYDataset createDataset(boolean isDemo) { if (isDemo) { updateStatus("isDemo==true in " + this.getClass().getName() + " class! return null Dataset, check the code!"); return null; } else { //System.out.println("createDatase false get callled"); setArrayFromTable(); double[][] raw_xvalue; row_count = xyLength; raw_x2 = new String[independentVarLength][row_count]; raw_xvalue = new double[independentVarLength][row_count]; boolean[][] skip = new boolean[independentVarLength][row_count]; for (int index = 0; index < independentVarLength; index++) { for (int i = 0; i < xyLength; i++) { raw_x2[index][i] = indepValues[i][index]; //System.out.println("raw_x2=*"+raw_x2[index][i]+"*"); try { if (raw_x2[index][i] != "null" && raw_x2[index][i] != null && raw_x2[index][i].length() != 0) { raw_xvalue[index][i] = Double.parseDouble(raw_x2[index][i]); // System.out.println(raw_xvalue[index][row_count]); } else skip[index][i] = true; } catch (Exception e) { System.out.println("wrong data " + raw_x2[index][i]); } } } rangeLabel = ""; for (int j = 0; j < independentVarLength; j++) rangeLabel += independentHeaders[j] + "/"; rangeLabel = rangeLabel.substring(0, rangeLabel.length() - 1); double[][] y_freq = new double[independentVarLength][row_count]; for (int j = 0; j < independentVarLength; j++) { for (int i = 0; i < row_count; i++) y_freq[j][i] = i + 1; } XYSeriesCollection dataset = new XYSeriesCollection(); //System.out.println("row_count="+row_count); for (int j = 0; j < independentVarLength; j++) { XYSeries series = new XYSeries(independentHeaders[j]); for (int i = 0; i < row_count; i++) { if (skip[j][i] == false) series.add(y_freq[j][i], raw_xvalue[j][i]); // System.out.println("updating "+raw_xvalue[j][i]+" f="+y_freq[j][i]); } dataset.addSeries(series); } 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.HORIZONTAL, !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; } public void setDataTable(String input) { hasExample = true; StringTokenizer lnTkns = new StringTokenizer(input, "#,"); String line; int lineCt = lnTkns.countTokens(); resetTableRows(lineCt); resetTableColumns(1); int r = 0; while (lnTkns.hasMoreTokens()) { line = lnTkns.nextToken(); dataTable.setValueAt(line, r, 0); r++; } // this will update the mapping panel resetTableColumns(dataTable.getColumnCount()); } public void setMapping() { addButtonIndependent();//Y } 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(0).setHeaderValue(yLabel); dataTable.setTableHeader(new EditableHeader(columnModel)); } 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(); } /*public String getLocalAbout() { String about ="\n \t A scatterplot or scatter graph is a graph used in statistics to visually display and\n compare two or more sets of related quantitative, or numerical, data by displaying only finitely\n many points, each having a coordinate on a horizontal and a vertical axis.\n"; return super.getLocalAbout()+about; }*/ /** * reset dataTable to default (demo data), and refesh chart */ }