demo.java

import java.sql.*;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.RowFilter;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableRowSorter;

public class demo extends javax.swing.JFrame {
    DefaultTableModel model;
    

    
    public demo() {
        initComponents();
        model = (DefaultTableModel) tblCities.getModel();
        
        try {
            ArrayList<City> cities = getCities();
            for(City city: cities){
                Object[] row = {city.getId(), city.getName(), city.getCountryCode(), city.getDistrict(), city.getPopulation()};
                model.addRow(row);
            }
        } catch (SQLException ex) {

        }
    }
    
    public ArrayList<City> getCities() throws SQLException{
        Connection connection = null;
        DbHelper dbHelper = new DbHelper();
        
        Statement statement = null;
        ResultSet resultSet;
        ArrayList<City> cities = null;
        
        try {
            connection = dbHelper.getConnection();
            statement = connection.createStatement();
            resultSet = statement.executeQuery("select * from City");
            cities = new ArrayList<City>();
            while (resultSet.next()) {
                cities.add(new City(
                        resultSet.getInt("Id"),
                resultSet.getString("Name"),
                resultSet.getString("CountryCode"),
                resultSet.getString("District"),
                resultSet.getInt("Population")
                ));
            }
        } catch (SQLException exception) {
            dbHelper.showErrorMessage(exception);
        }finally{
            statement.close();
            connection.close();
        }
        
        return cities; /*bu getCities isleminin bir sonucunu dondurmemiz gerektigi icin return degeri olmali.Sonucumuzda ArrayList tipinde oldugu icin cities bir ArrayListtir*/
    
    }
    

    /**
     * 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() {

        jScrollPane1 = new javax.swing.JScrollPane();
        tblCities = new javax.swing.JTable();
        tfSearch = new javax.swing.JTextField();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setPreferredSize(new java.awt.Dimension(800, 600));

        tblCities.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {

            },
            new String [] {
                "Id", "Name", "Country", "District", "Population"
            }
        ) {
            Class[] types = new Class [] {
                java.lang.Integer.class, java.lang.String.class, java.lang.String.class, java.lang.String.class, java.lang.Integer.class
            };
            boolean[] canEdit = new boolean [] {
                false, true, true, false, true
            };

            public Class getColumnClass(int columnIndex) {
                return types [columnIndex];
            }

            public boolean isCellEditable(int rowIndex, int columnIndex) {
                return canEdit [columnIndex];
            }
        });
        tblCities.setPreferredSize(new java.awt.Dimension(800, 600));
        jScrollPane1.setViewportView(tblCities);

        tfSearch.setText("tfSearch");
        tfSearch.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                tfSearchActionPerformed(evt);
            }
        });
        tfSearch.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyReleased(java.awt.event.KeyEvent evt) {
                tfSearchKeyReleased(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(24, 24, 24)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 785, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(40, Short.MAX_VALUE))
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(tfSearch, javax.swing.GroupLayout.PREFERRED_SIZE, 278, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(149, 149, 149))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(tfSearch, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 26, Short.MAX_VALUE)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 568, javax.swing.GroupLayout.PREFERRED_SIZE))
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void tfSearchActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_tfSearchActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_tfSearchActionPerformed

    private void tfSearchKeyReleased(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_tfSearchKeyReleased
        String searchKey = tfSearch.getText();
        TableRowSorter<DefaultTableModel> tableRowSorter = new TableRowSorter<DefaultTableModel>(model);
        tblCities.setRowSorter(tableRowSorter);
        tableRowSorter.setRowFilter(RowFilter.regexFilter(searchKey));
        
    }//GEN-LAST:event_tfSearchKeyReleased
 
    /**
     * @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(demo.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(demo.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(demo.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(demo.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 demo().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable tblCities;
    private javax.swing.JTextField tfSearch;
    // End of variables declaration//GEN-END:variables
}