Contoh Program Java Menggunakan Table Column Model

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// Nama file : TabelPenjualanNotebook3.java
// Penggunaan table column model untuk menghapus dan memindahkan kolom

// Mengimpor kelas
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;

// Deklarasi kelas
public class TabelPenjualanNotebook3 extends JFrame {

   // Membuat nama kolom tabel
   private String[] kolomTabel =
      {"Tipe", "Warna", "Sistem Operasi", "Jumlah Terjual", "Harga Satuan"};

   // Membuat data tabel
   private Object[][] dataTabel = {
      {"Satellite L630-1031U", "Black", new Boolean(false), new Integer(3),
        new Integer(6300000)},
      {"Satellite L645-1043XB", "Brown", new Boolean(true), new Integer(7),
        new Integer (7500000)},
      {"Qosmio X500-D832", "Black", new Boolean(true), new Integer(4),
        new Integer(14000000)},
      {"Portege T210-1014UR", "Red", new Boolean(true), new Integer(6),
        new Integer(6800000)},
      {"Libretto W100-1002U", "Black", new Boolean(true), new Integer(1),
        new Integer(12000000)}
   };

   // Membuat table model
   private DefaultTableModel tModel = new DefaultTableModel(dataTabel,
      kolomTabel);

   // Membuat tabel
   private JTable tabel = new JTable(tModel);

   // Membuat obyek check box
   private JCheckBox grsVertikal = new JCheckBox(
      "Tampilkan garis vertikal", true);
   private JCheckBox grsHorisontal = new JCheckBox(
      "Tampilkan garis Horisontal", true);

   // Membuat obyek button (tombol)
   private JButton hapus = new JButton("Hapus kolom");
   private JButton pindah = new JButton("Pindahkan kolom ke posisi kedua");

   // Konstruktor tanpa argumen
   public TabelPenjualanNotebook3() {

      // Menginisialisasi tabel
      tabel.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
      tabel.setColumnSelectionAllowed(true);
      tabel.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

      // Mengelompokkan obyek check box
      JPanel panel1 = new JPanel();
      panel1.setLayout(new FlowLayout());
      panel1.add(grsVertikal);
      panel1.add(grsHorisontal);

      // Mengelompokkan obyek tombol
      JPanel panel2 = new JPanel();
      panel2.setLayout(new FlowLayout(FlowLayout.RIGHT, 0, 0));
      panel2.add(hapus);
      panel2.add(pindah);

      getContentPane().add(panel1, BorderLayout.PAGE_START);
      getContentPane().add(new JScrollPane(tabel), BorderLayout.CENTER);
      getContentPane().add(panel2, BorderLayout.PAGE_END);

      // Penanganan event check box
      grsVertikal.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent ae) {
            tabel.setShowVerticalLines(grsVertikal.isSelected());
         }
      });

      grsHorisontal.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent ae) {
            tabel.setShowHorizontalLines(grsHorisontal.isSelected());
         }
      });

      // Penanganan event button
      hapus.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent ae) {
            if (tabel.getSelectedColumn() >= 0) {
               TableColumnModel modelKolom = tabel.getColumnModel();
               TableColumn kolomDihapus = 
               modelKolom.getColumn(tabel.getSelectedColumn());
               modelKolom.removeColumn(kolomDihapus);
            }
            else
               JOptionPane.showMessageDialog(null,
                  "Pilih kolom yang akan dihapus!", "Hapus Kolom",
                  JOptionPane.INFORMATION_MESSAGE);
         }
      });

      pindah.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent ae) {

            if (tabel.getSelectedColumn() >= 0) {
               int indekLama = tabel.getSelectedColumn();
               int indekBaru = 1;
               TableColumnModel modelKolom = tabel.getColumnModel();
               modelKolom.moveColumn(indekLama, indekBaru);
            }
            else
               JOptionPane.showMessageDialog(null,
                  "Pilih kolom yang akan dipindah!", "Pindah Kolom",
                  JOptionPane.INFORMATION_MESSAGE);
         }
      });
   }

   // Metoda main
   public static void main(String[] args) {
      TabelPenjualanNotebook3 frame = new TabelPenjualanNotebook3();
      frame.setTitle("Kelas TabelPenjualanNotebook3");
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.setSize(440, 200);
      frame.setVisible(true);
   }
}