Java tutorial
/* * 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. */ package teambootje; import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.sql.ResultSet; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTable; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartFrame; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.PiePlot3D; import org.jfree.data.general.DefaultPieDataset; import static teambootje.A1.db; /** * * @author kevin */ public class A6 extends javax.swing.JFrame { /** * Creates new form A6 */ public A6() { initComponents(); setLocationRelativeTo(null); setLayout(new BorderLayout()); //Create and set up the window. setTitle("SS Rotterdam Analyse || Analyse 6"); ImageIcon icon = new ImageIcon("img/bootje.jpg"); setIconImage(icon.getImage()); // back BTN JButton back = new JButton("Back"); add(back, BorderLayout.NORTH); back.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { dispose(); // throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. } }); // panel en Label JPanel ana = new JPanel(); add(ana, BorderLayout.CENTER); //tabel String sql = "SELECT Locatie.land, locatie.stad, count(persoon.LID) as Aantal FROM persoon, Locatie WHERE persoon.LID = locatie.LID GROUP BY stad"; List<Object[]> list = new ArrayList<Object[]>(); ResultSet rs = null; try { rs = db.runSql(sql); while (rs.next()) { String city = rs.getString("locatie.stad"); int amount = rs.getInt("Aantal"); String[] row = new String[rs.getMetaData().getColumnCount()]; for (int i = 1; i <= rs.getMetaData().getColumnCount(); i++) { row[i - 1] = rs.getString(i); } list.add(row); //chart JButton chart = new JButton("Chart"); add(chart, BorderLayout.SOUTH); chart.addActionListener(new ActionListener() { String c1 = city; int a1 = amount; @Override public void actionPerformed(ActionEvent e) { DefaultPieDataset pieDataset = new DefaultPieDataset(); pieDataset.setValue(c1, a1); pieDataset.setValue("Rotterdam", new Integer(1)); pieDataset.setValue("Bergen op zoom", new Integer(1)); JFreeChart chart = ChartFactory.createPieChart3D("Waar komen bezoekers vandaan", pieDataset, true, true, true); PiePlot3D p = (PiePlot3D) chart.getPlot(); //p.setForegroundAlpha(TOP_ALIGNMENT); ChartFrame pie = new ChartFrame("Waar komen bezoekers vandaan", chart); pie.setVisible(true); pie.setSize(500, 500); pie.setLocationRelativeTo(null); // throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. } }); } } catch (SQLException e) { JOptionPane.showMessageDialog(null, e); } Object[][] array = new Object[list.size()][]; Object columnNames[] = { "Land", "stad", "Aantal" }; list.toArray(array); JTable table = new JTable(array, columnNames); JScrollPane scroll = new JScrollPane(table); scroll.setPreferredSize(new Dimension(400, 400)); ana.add(scroll); } /** * This method is called from within the constructor 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() { setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 400, Short.MAX_VALUE)); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 300, Short.MAX_VALUE)); pack(); }// </editor-fold>//GEN-END:initComponents /** * @param args the command line arguments */ public static void main(String args[]) { /* 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(A6.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(A6.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(A6.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(A6.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } //</editor-fold> /* Create and display the form */ java.awt.EventQueue.invokeLater(new Runnable() { public void run() { new A6().setVisible(true); } }); } // Variables declaration - do not modify//GEN-BEGIN:variables // End of variables declaration//GEN-END:variables }