editTableStudent.java

package project;

import java.sql.*;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import javax.swing.JOptionPane;
import javax.swing.table.DefaultTableModel;
import net.proteanit.sql.DbUtils;
import project1.ConnectionProvider;

/*
 * 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 alanoud
 */
public class editTableStudent extends javax.swing.JFrame {

    /**
     * Creates new form editTableStudent
     */
    public editTableStudent() {
        initComponents();
    }

    /**
     * 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() {

        jLabel1 = new javax.swing.JLabel();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        jLabel6 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        jTextField2 = new javax.swing.JTextField();
        jTextField3 = new javax.swing.JTextField();
        jTextField4 = new javax.swing.JTextField();
        jComboBox1 = new javax.swing.JComboBox<>();
        jPanel1 = new javax.swing.JPanel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        addComponentListener(new java.awt.event.ComponentAdapter() {
            public void componentShown(java.awt.event.ComponentEvent evt) {
                formComponentShown(evt);
            }
        });
        getContentPane().setLayout(new org.netbeans.lib.awtextra.AbsoluteLayout());

        jLabel1.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jLabel1.setText("table student");
        getContentPane().add(jLabel1, new org.netbeans.lib.awtextra.AbsoluteConstraints(370, 30, -1, -1));

        jTable1.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"
            }
        ));
        jScrollPane1.setViewportView(jTable1);

        getContentPane().add(jScrollPane1, new org.netbeans.lib.awtextra.AbsoluteConstraints(340, 80, 300, 100));

        jButton1.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jButton1.setText("Delete");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton1, new org.netbeans.lib.awtextra.AbsoluteConstraints(250, 320, -1, -1));

        jButton2.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jButton2.setText("Update");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton2, new org.netbeans.lib.awtextra.AbsoluteConstraints(140, 320, -1, -1));

        jButton3.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jButton3.setText("Close");
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton3, new org.netbeans.lib.awtextra.AbsoluteConstraints(40, 320, -1, -1));

        jLabel2.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jLabel2.setText("studentID:");
        getContentPane().add(jLabel2, new org.netbeans.lib.awtextra.AbsoluteConstraints(34, 81, -1, -1));

        jLabel3.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jLabel3.setText("name:");
        getContentPane().add(jLabel3, new org.netbeans.lib.awtextra.AbsoluteConstraints(34, 126, -1, -1));

        jLabel4.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jLabel4.setText("fatherName:");
        getContentPane().add(jLabel4, new org.netbeans.lib.awtextra.AbsoluteConstraints(30, 180, -1, -1));

        jLabel5.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jLabel5.setText("courseName:");
        getContentPane().add(jLabel5, new org.netbeans.lib.awtextra.AbsoluteConstraints(30, 220, -1, -1));

        jLabel6.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jLabel6.setText("branchName:");
        getContentPane().add(jLabel6, new org.netbeans.lib.awtextra.AbsoluteConstraints(30, 260, -1, -1));

        jTextField1.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jTextField1.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyPressed(java.awt.event.KeyEvent evt) {
                jTextField1KeyPressed(evt);
            }
        });
        getContentPane().add(jTextField1, new org.netbeans.lib.awtextra.AbsoluteConstraints(130, 80, 158, 27));

        jTextField2.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jTextField2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField2ActionPerformed(evt);
            }
        });
        jTextField2.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyPressed(java.awt.event.KeyEvent evt) {
                jTextField2KeyPressed(evt);
            }
        });
        getContentPane().add(jTextField2, new org.netbeans.lib.awtextra.AbsoluteConstraints(130, 120, 158, 27));

        jTextField3.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jTextField3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField3ActionPerformed(evt);
            }
        });
        jTextField3.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyPressed(java.awt.event.KeyEvent evt) {
                jTextField3KeyPressed(evt);
            }
        });
        getContentPane().add(jTextField3, new org.netbeans.lib.awtextra.AbsoluteConstraints(130, 170, 158, 30));

        jTextField4.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jTextField4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField4ActionPerformed(evt);
            }
        });
        getContentPane().add(jTextField4, new org.netbeans.lib.awtextra.AbsoluteConstraints(130, 210, 158, 27));

        jComboBox1.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        jComboBox1.setModel(new javax.swing.DefaultComboBoxModel<>(new String[] { "CS", "IT", "SE", "AI", " " }));
        jComboBox1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jComboBox1ActionPerformed(evt);
            }
        });
        getContentPane().add(jComboBox1, new org.netbeans.lib.awtextra.AbsoluteConstraints(130, 260, 158, -1));

        jPanel1.setBackground(new java.awt.Color(218, 255, 236));
        getContentPane().add(jPanel1, new org.netbeans.lib.awtextra.AbsoluteConstraints(0, 0, 700, 380));

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

    private void formComponentShown(java.awt.event.ComponentEvent evt) {//GEN-FIRST:event_formComponentShown
        // TODO add your handling code here:
         try
        {
         Connection con=ConnectionProvider.getCon();
         Statement st=con.createStatement();
         ResultSet rs=st.executeQuery("select * from student;");
           jTable1.setModel(DbUtils.resultSetToTableModel(rs));
           
           
        }
         catch(Exception e)
        {
            JOptionPane.showMessageDialog(null, "Connection error");
        }
    }//GEN-LAST:event_formComponentShown

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
        // TODO add your handling code here:
        
        DefaultTableModel model=(DefaultTableModel)jTable1.getModel();
        if(jTable1.getSelectedRowCount()==1){
            model.removeRow(jTable1.getSelectedRow());
        }else{
            if(jTable1.getRowCount()==0){
               JOptionPane.showMessageDialog(null, "table is empty"); 
            }else{
                JOptionPane.showMessageDialog(null, "please select single row for delete");
            }
        }
    }//GEN-LAST:event_jButton1ActionPerformed

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
        // TODO add your handling code here:
        String studentID=jTextField1.getText();
        String name=jTextField2.getText();
        String fatherName=jTextField3.getText();
        String couresName=jTextField4.getText();
        String branchName=(String)jComboBox1.getSelectedItem();
         DefaultTableModel model=(DefaultTableModel)jTable1.getModel();
         int index=jTable1.getSelectedRow();
         model.setValueAt(studentID, index, 0);
         model.setValueAt(name, index, 1);
         model.setValueAt(fatherName, index, 2);
         model.setValueAt(couresName, index, 3);
         model.setValueAt(branchName, index, 4);
         JOptionPane.showMessageDialog(null, "Update Successfull");
    }//GEN-LAST:event_jButton2ActionPerformed

    private void jTextField2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jTextField2ActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_jTextField2ActionPerformed

    private void jTextField3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jTextField3ActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_jTextField3ActionPerformed

    private void jTextField4ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jTextField4ActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_jTextField4ActionPerformed

    private void jComboBox1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jComboBox1ActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_jComboBox1ActionPerformed

    private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
        // TODO add your handling code here:
        setVisible(false);
    }//GEN-LAST:event_jButton3ActionPerformed

    private void jTextField1KeyPressed(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_jTextField1KeyPressed
        // TODO add your handling code here:
         char c = evt.getKeyChar(); 
        if(Character.isLetter(c))
        {
            JOptionPane.showMessageDialog(null,"Only numbers are accepted");
            jTextField1.setEditable(false);
        }
        else
            jTextField1.setEditable(true);
    }//GEN-LAST:event_jTextField1KeyPressed

    private void jTextField2KeyPressed(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_jTextField2KeyPressed
        // TODO add your handling code here:
        char c = evt.getKeyChar(); 
        if(Character.isDigit(c))
        {
            JOptionPane.showMessageDialog(null,"Only letters are accepted");
            jTextField2.setEditable(false);
        }
        else
            jTextField2.setEditable(true);
    }//GEN-LAST:event_jTextField2KeyPressed

    private void jTextField3KeyPressed(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_jTextField3KeyPressed
        // TODO add your handling code here:
        char c = evt.getKeyChar(); 
        if(Character.isDigit(c))
        {
            JOptionPane.showMessageDialog(null,"Only letters are accepted");
            jTextField3.setEditable(false);
        }
        else
            jTextField3.setEditable(true);
    }//GEN-LAST:event_jTextField3KeyPressed

    /**
     * @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(editTableStudent.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(editTableStudent.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(editTableStudent.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(editTableStudent.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 editTableStudent().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JButton jButton3;
    private javax.swing.JComboBox<String> jComboBox1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel6;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JTextField jTextField2;
    private javax.swing.JTextField jTextField3;
    private javax.swing.JTextField jTextField4;
    // End of variables declaration//GEN-END:variables
}