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.BorderLayout; import java.awt.Color; import java.awt.Dimension; import java.awt.FlowLayout; import java.beans.PropertyChangeListener; import java.net.MalformedURLException; import java.util.List; import java.util.Observable; import java.util.Observer; import javax.swing.AbstractAction; import javax.swing.Action; import javax.swing.BoxLayout; import javax.swing.JButton; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JSplitPane; import javax.swing.JTable; import javax.swing.JToolBar; import javax.swing.event.ChangeEvent; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.plot.CombinedRangeXYPlot; import org.jfree.chart.renderer.category.BoxAndWhiskerRenderer; import org.jfree.chart.renderer.category.CategoryItemRenderer; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.data.statistics.BoxAndWhiskerCategoryDataset; import org.jfree.data.statistics.DefaultBoxAndWhiskerCategoryDataset; 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.uah.math.devices.Coin; import edu.uah.math.devices.Parameter; import edu.uah.math.distributions.BinomialDistribution; import edu.uah.math.distributions.LocationScaleDistribution; import edu.uah.math.distributions.RandomVariable; import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperIndexChart; import edu.ucla.stat.SOCR.chart.gui.SOCRCategoryCellLabelGenerator; import edu.ucla.stat.SOCR.chart.gui.SOCRXYSeriesLabelGenerator; import edu.ucla.stat.SOCR.gui.SOCROptionPane; import edu.ucla.stat.SOCR.util.EditableHeader; import javax.swing.event.*; import java.awt.event.*; /** * A simple demonstration application showing how to create a line chart using * data from an {@link XYDataset}. * */ public class PowerTransformationFamilyChart extends SuperIndexChart implements PropertyChangeListener, ActionListener, Observer { protected double[] transformed_x; protected double power; protected int row_count; JPanel sliderPanel; edu.ucla.stat.SOCR.util.FloatSlider powerSlider; String dataHeader = "Data"; protected void createActionComponents(JToolBar toolBar) { super.createActionComponents(toolBar); JButton button; /**************** wiki Tab ****************/ Action linkAction = new AbstractAction() { public void actionPerformed(ActionEvent e) { try { //popInfo("SOCRChart: About", new java.net.URL("http://wiki.stat.ucla.edu/socr/index.php/SOCR_EduMaterials_Activities_PowerTransformFamily_Graphs"), "SOCR: Power Transform Graphing Activity"); parentApplet.getAppletContext().showDocument(new java.net.URL( "http://wiki.stat.ucla.edu/socr/index.php/SOCR_EduMaterials_Activities_PowerTransformFamily_Graphs"), "SOCR: Power Transform Graphing Activity"); } catch (MalformedURLException Exc) { JOptionPane.showMessageDialog(null, Exc, "MalformedURL Error", JOptionPane.ERROR_MESSAGE); Exc.printStackTrace(); } } }; button = toolBar.add(linkAction); button.setText(" WIKI_Activity "); button.setToolTipText("Press this Button to go to SOCR_POWER_Activity wiki page"); } public void init() { sliderPanel = new JPanel(); // ValueSetter(String title, int type int min, int max, int initial,boolean minimumRange10) powerSlider = new edu.ucla.stat.SOCR.util.FloatSlider("Power", 1.0, -10.0, 10.0); powerSlider.setPreferredSize(new Dimension(CHART_SIZE_X / 2 + 150, 80)); powerSlider.addObserver(this); powerSlider.setToolTipText("Slider for adjusting the value of power."); sliderPanel.add(this.powerSlider); mapDep = false; LEGEND_SWITCH = false; super.init(); indLabel = new JLabel("X"); depLabel = new JLabel("Y"); toolBar = new JToolBar(); createActionComponents(toolBar); JPanel toolBarContainer = new JPanel(); toolBarContainer.add(toolBar); JSplitPane toolContainer = new JSplitPane(JSplitPane.VERTICAL_SPLIT, toolBarContainer, new JScrollPane(sliderPanel)); toolContainer.setContinuousLayout(true); toolContainer.setDividerLocation(0.6); this.getContentPane().add(toolContainer, BorderLayout.NORTH); depMax = 10; // max number of dependent var indMax = 10; // max number of independent var } /** * Creates a sample dataset. * * @return a sample dataset. */ protected XYDataset createDataset(boolean isDemo) { if (isDemo) { row_count = 10; raw_x = new String[row_count]; raw_x[0] = "1.0"; raw_x[1] = "2.0"; raw_x[2] = "3.0"; raw_x[3] = "4.0"; raw_x[4] = "5.0"; raw_x[5] = "6.0"; raw_x[6] = "76.0"; raw_x[7] = "78.0"; raw_x[8] = "7.0"; raw_x[9] = "8.0"; reset_PowerSlider(); cleanup_raw(raw_x, row_count); XYDataset dataset = applyPowerTransform(); return dataset; } else { if (independentVarLength == 0) { setMapping(); independentVarLength = 1; } // System.out.println("createDatase false get callled"); setArrayFromTable(); double[] raw_xvalue; row_count = xyLength; //System.out.println("1row_count="+row_count + " independentVarLength="+independentVarLength); String[] raw_x_tmp = new String[row_count]; raw_xvalue = new double[row_count]; dataHeader = independentHeaders[0]; row_count = 0; for (int index = 0; index < independentVarLength; index++) for (int i = 0; i < xyLength; i++) { try { if (indepValues[i][index].length() != 0) { raw_x_tmp[row_count] = indepValues[i][index]; raw_xvalue[row_count] = Double.parseDouble(raw_x_tmp[row_count]); row_count++; } } catch (Exception e) { System.out.println("wrong data " + raw_x[i]); } } double[] y_freq = new double[row_count]; raw_x = new String[row_count]; for (int i = 0; i < row_count; i++) { y_freq[i] = i + 1; raw_x[i] = raw_x_tmp[i]; //System.out.println("raw_x="+raw_x[i]); } XYSeriesCollection dataset = new XYSeriesCollection(); XYSeries series1 = new XYSeries("X"); for (int i = 0; i < row_count; i++) series1.add(y_freq[i], raw_xvalue[i]); dataset.addSeries(series1); //System.out.println("2row_count="+row_count); return dataset; } } /** * Creates a chart. * * @param dataset the data for the chart. * * @return a chart. */ protected JFreeChart createChart(XYDataset dataset) { chartTitle = "Power Transform Chart"; // create the chart... JFreeChart chart = ChartFactory.createXYLineChart(chartTitle, //"Power Transform Chart", // chart title domainLabel, // x axis label rangeLabel, // y axis label dataset, // data PlotOrientation.VERTICAL, !legendPanelOn, // include legend true, // tooltips false // urls ); toolBar.setLayout(new FlowLayout(FlowLayout.LEFT)); // 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.white); plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0)); plot.setDomainGridlinePaint(Color.lightGray); plot.setRangeGridlinePaint(Color.lightGray); XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer(); // renderer.setSeriesShape(0, java.awt.Shape.round); renderer.setBaseShapesVisible(false); renderer.setBaseShapesFilled(false); renderer.setBaseLinesVisible(true); renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator()); //change the auto tick unit selection to integer units only... NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); rangeAxis.setAutoRangeIncludesZero(false); rangeAxis.setUpperMargin(0.05); rangeAxis.setLowerMargin(0.05); NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis(); domainAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); domainAxis.setAutoRangeIncludesZero(false); // domainAxis.setTickLabelsVisible(false); // domainAxis.setTickMarksVisible(false); domainAxis.setUpperMargin(0.05); domainAxis.setLowerMargin(0.05); // OPTIONAL CUSTOMISATION COMPLETED. setYSummary(dataset); return chart; } public void resetExample() { // System.out.println("resetExample get called"); XYDataset dataset = createDataset(true); setPower(1.0); reset_PowerSlider(); JFreeChart chart = createChart(dataset); chartPanel = new ChartPanel(chart, false); setChart(); hasExample = true; setTable(dataset); // do the mapping setMapping(); updateStatus(url); } public void setChart() { // update graph graphPanel.removeAll(); graphPanel.add(chartPanel); // graphPanel.add(sliderPanel); graphPanel.validate(); // don't get the GRAPH panel to the front if (tabbedPanelContainer.getTitleAt(tabbedPanelContainer.getSelectedIndex()) != ALL) { //tabbedPanelContainer.setSelectedIndex(tabbedPanelContainer.indexOfComponent(graphPanel)); } else { graphPanel2.removeAll(); chartPanel.setPreferredSize(new Dimension(CHART_SIZE_X * 2 / 3, CHART_SIZE_Y * 2 / 3)); graphPanel2.add(chartPanel); graphPanel2.validate(); summaryPanel.validate(); } } protected void setTable(XYDataset ds) { //System.out.println("setTable get Called"); convertor.Power2Table(ds); //convertor.dataset2Table(dataset); JTable tempDataTable = convertor.getTable(); resetTableRows(tempDataTable.getRowCount()); resetTableColumns(tempDataTable.getColumnCount()); //System.out.println(tempDataTable.getRowCount()); 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(); JScrollPane dt = new JScrollPane(dataTable); dataPanel.add(dt); dt.setRowHeaderView(headerTable); 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(); // don't bring graph to the front if (tabbedPanelContainer.getTitleAt(tabbedPanelContainer.getSelectedIndex()) != ALL) { // tabbedPanelContainer.setSelectedIndex(tabbedPanelContainer.indexOfComponent(graphPanel)); } else { dataPanel2.removeAll(); dataPanel2.add(new JLabel(" ")); dataPanel2.add(new JLabel("Data")); JScrollPane dt2 = new JScrollPane(dataTable); dt2.setPreferredSize(new Dimension(CHART_SIZE_X / 3, CHART_SIZE_Y * 3 / 8)); dt2.setRowHeaderView(headerTable); dataPanel2.add(dt2); JScrollPane st = new JScrollPane(summaryPanel); st.setPreferredSize(new Dimension(CHART_SIZE_X / 3, CHART_SIZE_Y / 6)); dataPanel2.add(st); st.validate(); dataPanel2.add(new JLabel(" ")); dataPanel2.add(new JLabel("Mapping")); mapPanel.setPreferredSize(new Dimension(CHART_SIZE_X / 3, CHART_SIZE_Y / 2)); dataPanel2.add(mapPanel); dataPanel2.validate(); } } public void update(Observable arg0, Object arg1) { // System.out.println("update called: power="+power+" slider="+this.powerSlider.getValue()); if (this.power != this.powerSlider.getFloatValue()) { setPower(this.powerSlider.getFloatValue()); doChart(); } } private void cleanup_raw(String[] in_x, int in_count) { String[] x = new String[in_count]; int count = 0; //System.out.println("applyPowerTransform row_count=" +row_count); for (int i = 0; i < in_count; i++) { if (in_x[i] != null && in_x[i].length() != 0) { x[count] = in_x[i]; count++; } } raw_x = new String[count]; row_count = count; for (int i = 0; i < count; i++) { raw_x[i] = x[i]; } } /** * Applies the Power transform to the data. * @param dataset the data to be transformed. * @return transformed dataset. */ protected XYDataset applyPowerTransform() { //System.out.println("in applyPowerTransform row_count="+row_count); XYSeriesCollection dataset = new XYSeriesCollection(); XYSeries series1 = new XYSeries(dataHeader); for (int i = 0; i < row_count; i++) { series1.add(i + 1, Double.parseDouble(raw_x[i])); // System.out.println("Adding "+(i+1) + ":"+raw_x[i]); } // System.out.println("\n"); dataset.addSeries(series1); XYSeries outputData = new XYSeries("Transformed Data"); transformed_x = calculate_power(raw_x, row_count, this.power); for (int i = 0; i < row_count; i++) { outputData.add(i + 1, transformed_x[i]); //System.out.println("Adding "+(i+1) + ":"+transformed_x[i]); } dataset.addSeries(outputData); return dataset; } 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); cleanup_raw(raw_x, row_count); XYDataset ds = applyPowerTransform(); setTable(ds); // do the mapping addButtonIndependent();//Y JFreeChart chart = createChart(ds); chartPanel = new ChartPanel(chart, false); setChart(); } protected void reset_PowerSlider() { power = 1.0; powerSlider.setFloatValue(power); } /** * This method sets the Power parameter. * @param p the change event */ public void setPower(double p) { power = p; } /** * This method gets the current Power parameter. */ public double getPower() { return power; } }