Kategori

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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package rental;
import java.sql.Connection;
import javax.swing.table.DefaultTableModel;
import javax.swing.JOptionPane;
import java.sql.PreparedStatement;
/**
 *
 * @author andbayu
 */
public class Kategori extends javax.swing.JFrame {

    /**
     * Creates new form Kategori
     */
    public Kategori() {
        initComponents();
        load_table();
        kosong();
    }
    private void kosong(){
        txtJenisAlat.setText(null);
        txtId.setText(null);
                }
private void load_table(){
        // membuat tampilan model tabel
        DefaultTableModel model = new DefaultTableModel();
        model.addColumn("ID");
        model.addColumn("Jenis Alat");

        //menampilkan data database kedalam tabel
        try {
            int no=1;
            String sql = "select * from kategori";
            Connection conn = koneksi.koneksiDb();
            java.sql.Statement stm=conn.createStatement();
            java.sql.ResultSet res=stm.executeQuery(sql);
            while(res.next()){
                model.addRow(new Object[]{res.getString(1),res.getString(2)});
            }
            tblKategori.setModel(model);
        } catch (Exception e) {
        }
        txtId.setEditable(false);
}
    /**
     * 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">
    private void initComponents() {

        jScrollPane1 = new javax.swing.JScrollPane();
        tblKategori = new javax.swing.JTable();
        txtJenisAlat = new javax.swing.JTextField();
        btnSimpan = new javax.swing.JButton();
        btnEdit = new javax.swing.JButton();
        btnHapus = new javax.swing.JButton();
        jButton4 = new javax.swing.JButton();
        txtId = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        tblKategori.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null}
            },
            new String [] {
                "Title 1", "Title 2", "Title 3", "Title 4"
            }
        ));
        tblKategori.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                tblKategoriMouseClicked(evt);
            }
        });
        jScrollPane1.setViewportView(tblKategori);

        btnSimpan.setText("Simpan");
        btnSimpan.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnSimpanActionPerformed(evt);
            }
        });

        btnEdit.setText("Edit");
        btnEdit.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnEditActionPerformed(evt);
            }
        });

        btnHapus.setText("Hapus");
        btnHapus.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnHapusActionPerformed(evt);
            }
        });

        jButton4.setText("Kembali");
        jButton4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton4ActionPerformed(evt);
            }
        });

        jLabel1.setText("ID :");

        jLabel2.setText("Jenis Alat :");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(txtJenisAlat)
                                .addGap(19, 19, 19))
                            .addGroup(layout.createSequentialGroup()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                        .addComponent(btnEdit, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                        .addComponent(btnHapus, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                        .addComponent(btnSimpan, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                                    .addComponent(jLabel2))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 89, Short.MAX_VALUE)))
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 377, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(16, 16, 16))
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jButton4)
                        .addGap(53, 53, 53)
                        .addComponent(jLabel1)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(txtId, javax.swing.GroupLayout.PREFERRED_SIZE, 90, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addGap(0, 67, Short.MAX_VALUE)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 275, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton4)
                    .addComponent(txtId, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel1))
                .addGap(21, 21, 21)
                .addComponent(jLabel2)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(txtJenisAlat, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addComponent(btnSimpan)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(btnEdit)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(btnHapus)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>

    private void btnSimpanActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        try {
            String sql = "INSERT INTO kategori(jenis_alat) VALUES ('"+txtJenisAlat.getText()+"')";
           Connection conn = koneksi.koneksiDb();
            java.sql.PreparedStatement pst=conn.prepareStatement(sql);
            pst.execute();
            JOptionPane.showMessageDialog(null, "Penyimpanan Data Berhasil");
        } catch (Exception e) {
            JOptionPane.showMessageDialog(this, e.getMessage());
        }
        load_table();
        kosong();
    }

    private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        MenuAdmin fa = new MenuAdmin();
                    fa.show();
                    this.dispose();
    }

    private void tblKategoriMouseClicked(java.awt.event.MouseEvent evt) {
        // TODO add your handling code here:
        int baris = tblKategori.rowAtPoint(evt.getPoint());
        String id = tblKategori.getValueAt(baris,0).toString();
        txtId.setText(id);
        String nama =tblKategori.getValueAt(baris, 1).toString();
        txtJenisAlat.setText(nama);
    }

    private void btnEditActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        try {
            String sql ="UPDATE kategori SET jenis_alat = '"+txtJenisAlat.getText()+"'";
            Connection conn = koneksi.koneksiDb();
            java.sql.PreparedStatement pst=conn.prepareStatement(sql);
            pst.execute();
            JOptionPane.showMessageDialog(null, "data berhasil di edit");
        } catch (Exception e) {
            JOptionPane.showMessageDialog(null, "Perubahan Data Gagal"+e.getMessage());
        }
        load_table();
        kosong();
    }

    private void btnHapusActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        try {
            String sql ="delete from kategori where id='"+txtId.getText()+"'";
            Connection conn = koneksi.koneksiDb();
            java.sql.PreparedStatement pst=conn.prepareStatement(sql);
            pst.execute();
            JOptionPane.showMessageDialog(this, "berhasil di hapus");
        } catch (Exception e) {
            JOptionPane.showMessageDialog(this, e.getMessage());
        }
        load_table();
        kosong();
    }