Java tutorial
package GraphingProject; /* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ /** * * @author tony */ import java.util.ArrayList; import org.jfree.chart.ChartPanel; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.PlotOrientation; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; public class TheJApplet extends javax.swing.JApplet { public TheJApplet() { super(); final CategoryDataset dataset = createDataset(); final JFreeChart chart = createChart(dataset); final ChartPanel chartPanel = new ChartPanel(chart); setContentPane(chartPanel); } private CategoryDataset createDataset() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); //dataset.addValue(20.2, "A", "A"); //dataset.addValue(15.4, "A", "B"); //dataset.addValue(12.2, "B", "A"); //dataset.addValue(13.5, "B", "B"); PullDataXML pullData = new PullDataXML(); ArrayList<SurveyItem> theData = pullData.getData(); Statistic statistic = new Statistic(theData); for (int questionNumber = 0; questionNumber < 5; questionNumber++) { float very_poor = statistic.getChoicePercentage(questionNumber, 1); float poor = statistic.getChoicePercentage(questionNumber, 2); float average = statistic.getChoicePercentage(questionNumber, 3); float good = statistic.getChoicePercentage(questionNumber, 4); float very_good = statistic.getChoicePercentage(questionNumber, 5); dataset.addValue(very_poor, "Very Poor", "Question " + questionNumber); dataset.addValue(poor, "Poor", "Question " + questionNumber); dataset.addValue(average, "Average", "Question " + questionNumber); dataset.addValue(good, "Good", "Question " + questionNumber); dataset.addValue(very_good, "Very Good", "Question " + questionNumber); } return dataset; } private JFreeChart createChart(final CategoryDataset dataset) { final JFreeChart chart = ChartFactory.createStackedBarChart("Stacked Bar Chart Demo 1", // chart title "Category", // domain axis label "Value", // range axis label dataset, // data PlotOrientation.VERTICAL, // the plot orientation true, // legend true, // tooltips false // urls ); return chart; } /** * Initializes the applet TheJApplet */ @Override public void init() { /* Set the Nimbus look and feel */ //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) "> /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel. * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html */ try { for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) { if ("Nimbus".equals(info.getName())) { javax.swing.UIManager.setLookAndFeel(info.getClassName()); break; } } } catch (ClassNotFoundException ex) { java.util.logging.Logger.getLogger(TheJApplet.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(TheJApplet.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(TheJApplet.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(TheJApplet.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } //</editor-fold> /* Create and display the applet */ try { java.awt.EventQueue.invokeAndWait(new Runnable() { public void run() { initComponents(); } }); } catch (Exception ex) { ex.printStackTrace(); } } /** * This method is called from within the init() method to initialize the * form. WARNING: Do NOT modify this code. The content of this method is * always regenerated by the Form Editor. */ @SuppressWarnings("unchecked") // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents private void initComponents() { javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 760, Short.MAX_VALUE)); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 400, Short.MAX_VALUE)); }// </editor-fold>//GEN-END:initComponents // Variables declaration - do not modify//GEN-BEGIN:variables // End of variables declaration//GEN-END:variables }