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| 1 | +import javax.swing.*; |
| 2 | + |
| 3 | +import java.awt.event.*; |
| 4 | +import java.sql.*; |
| 5 | + |
| 6 | +public class AppGUI extends JFrame implements ActionListener { |
| 7 | + private final JLabel studentIdLabel, firstNameLabel, lastNameLabel, majorLabel, phoneLabel, gpaLabel, dobLabel; |
| 8 | + private final JTextField studentIdField, firstNameField, lastNameField, majorField, phoneField, gpaField, dobField; |
| 9 | + private final JButton addButton, displayButton, sortButton, searchButton, modifyButton; |
| 10 | + |
| 11 | + private Statement stmt; |
| 12 | + |
| 13 | + public AppGUI() { |
| 14 | + JFrame frame = new JFrame("Student Database"); |
| 15 | + JPanel panel = new JPanel(); |
| 16 | + |
| 17 | + // Initialize labels |
| 18 | + studentIdLabel = new JLabel("Student ID:"); |
| 19 | + firstNameLabel = new JLabel("First Name:"); |
| 20 | + lastNameLabel = new JLabel("Last Name:"); |
| 21 | + majorLabel = new JLabel("Major:"); |
| 22 | + phoneLabel = new JLabel("Phone:"); |
| 23 | + gpaLabel = new JLabel("GPA:"); |
| 24 | + dobLabel = new JLabel("Date of Birth (yyyy-mm-dd):"); |
| 25 | + |
| 26 | + // Initialize text fields |
| 27 | + studentIdField = new JTextField(10); |
| 28 | + firstNameField = new JTextField(10); |
| 29 | + lastNameField = new JTextField(10); |
| 30 | + majorField = new JTextField(10); |
| 31 | + phoneField = new JTextField(10); |
| 32 | + gpaField = new JTextField(10); |
| 33 | + dobField = new JTextField(10); |
| 34 | + |
| 35 | + // Initialize buttons |
| 36 | + addButton = new JButton("Add"); |
| 37 | + displayButton = new JButton("Display"); |
| 38 | + sortButton = new JButton("Sort"); |
| 39 | + searchButton = new JButton("Search"); |
| 40 | + modifyButton = new JButton("Modify"); |
| 41 | + |
| 42 | + // Add action listeners to buttons |
| 43 | + addButton.addActionListener(this); |
| 44 | + displayButton.addActionListener(this); |
| 45 | + sortButton.addActionListener(this); |
| 46 | + searchButton.addActionListener(this); |
| 47 | + modifyButton.addActionListener(this); |
| 48 | + |
| 49 | + // Add components to panel |
| 50 | + panel.add(studentIdLabel); |
| 51 | + panel.add(studentIdField); |
| 52 | + panel.add(firstNameLabel); |
| 53 | + panel.add(firstNameField); |
| 54 | + panel.add(lastNameLabel); |
| 55 | + panel.add(lastNameField); |
| 56 | + panel.add(majorLabel); |
| 57 | + panel.add(majorField); |
| 58 | + panel.add(phoneLabel); |
| 59 | + panel.add(phoneField); |
| 60 | + panel.add(gpaLabel); |
| 61 | + panel.add(gpaField); |
| 62 | + panel.add(dobLabel); |
| 63 | + panel.add(dobField); |
| 64 | + panel.add(addButton); |
| 65 | + panel.add(displayButton); |
| 66 | + panel.add(sortButton); |
| 67 | + panel.add(searchButton); |
| 68 | + panel.add(modifyButton); |
| 69 | + |
| 70 | + // Add panel to frame |
| 71 | + frame.add(panel); |
| 72 | + frame.pack(); |
| 73 | + frame.setVisible(true); |
| 74 | + frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
| 75 | + } |
| 76 | + |
| 77 | + |
| 78 | + @Override |
| 79 | + public void actionPerformed(ActionEvent e) { |
| 80 | + dbConnect db = new dbConnect(); |
| 81 | + Connection conn; |
| 82 | + try { |
| 83 | + conn = db.getConnection(); |
| 84 | + } catch (SQLException | ClassNotFoundException ex) { |
| 85 | + throw new RuntimeException(ex); |
| 86 | + } |
| 87 | + try { |
| 88 | + stmt = conn.createStatement(); |
| 89 | + } catch (SQLException e1) { |
| 90 | + e1.printStackTrace(); |
| 91 | + } |
| 92 | + Table tb = new Table(); |
| 93 | + if (e.getSource() == addButton) { |
| 94 | + // Insert new student into database |
| 95 | + String sql = "INSERT INTO sdata VALUES('" + studentIdField.getText() + "', '" |
| 96 | + + firstNameField.getText() + "', '" + lastNameField.getText() + "', '" + majorField.getText() |
| 97 | + + "', '" + phoneField.getText() + "', '" + gpaField.getText() + "', '" + dobField.getText() + "')"; |
| 98 | + try { |
| 99 | + stmt.executeUpdate(sql); |
| 100 | + JOptionPane.showMessageDialog(null, "Student added successfully."); |
| 101 | + } catch (SQLException ex) { |
| 102 | + ex.printStackTrace(); |
| 103 | + } |
| 104 | + } else if (e.getSource() == displayButton) { |
| 105 | + // Display all sdata in database |
| 106 | + String sql = "SELECT * FROM sdata"; |
| 107 | + |
| 108 | + try { |
| 109 | + ResultSet rs = stmt.executeQuery(sql); |
| 110 | + |
| 111 | + // Create table to display student data |
| 112 | + JTable table = new JTable(tb.buildTableModel(rs)); |
| 113 | + JOptionPane.showMessageDialog(null, new JScrollPane(table)); |
| 114 | + } catch (SQLException ex) { |
| 115 | + ex.printStackTrace(); |
| 116 | + } |
| 117 | + } else if (e.getSource() == sortButton) { |
| 118 | + // Sort sdata by selected column |
| 119 | + String[] options = {"First Name", "Last Name", "Major"}; |
| 120 | + int choice = JOptionPane.showOptionDialog(null, "Sort by:", "Sort", JOptionPane.DEFAULT_OPTION, |
| 121 | + JOptionPane.PLAIN_MESSAGE, null, options, options[0]); |
| 122 | + |
| 123 | + String sql = ""; |
| 124 | + switch (choice) { |
| 125 | + case 0 -> sql = "SELECT * FROM sdata ORDER BY first_name"; |
| 126 | + case 1 -> sql = "SELECT * FROM sdata ORDER BY last_name"; |
| 127 | + case 2 -> sql = "SELECT * FROM sdata ORDER BY major"; |
| 128 | + default -> { |
| 129 | + } |
| 130 | + } |
| 131 | + try { |
| 132 | + ResultSet rs = stmt.executeQuery(sql); |
| 133 | + |
| 134 | + // Create table to display student data |
| 135 | + JTable table = new JTable(tb.buildTableModel(rs)); |
| 136 | + JOptionPane.showMessageDialog(null, new JScrollPane(table)); |
| 137 | + } catch (SQLException ex) { |
| 138 | + ex.printStackTrace(); |
| 139 | + } |
| 140 | + } else if (e.getSource() == searchButton) { |
| 141 | + // Search for student by selected column |
| 142 | + String[] options = {"Student ID", "Last Name", "Major"}; |
| 143 | + int choice = JOptionPane.showOptionDialog(null, "Search by:", "Search", JOptionPane.DEFAULT_OPTION, |
| 144 | + JOptionPane.PLAIN_MESSAGE, null, options, options[0]); |
| 145 | + |
| 146 | + String column = ""; |
| 147 | + switch (choice) { |
| 148 | + case 0 -> column = "student_id"; |
| 149 | + case 1 -> column = "last_name"; |
| 150 | + case 2 -> column = "major"; |
| 151 | + default -> { |
| 152 | + } |
| 153 | + } |
| 154 | + |
| 155 | + String searchTerm = JOptionPane.showInputDialog("Enter search term:"); |
| 156 | + |
| 157 | + String sql = "SELECT * FROM sdata WHERE " + column + " LIKE '%" + searchTerm + "%'"; |
| 158 | + |
| 159 | + try { |
| 160 | + ResultSet rs = stmt.executeQuery(sql); |
| 161 | + |
| 162 | + // Create table to display student data |
| 163 | + JTable table = new JTable(tb.buildTableModel(rs)); |
| 164 | + JOptionPane.showMessageDialog(null, new JScrollPane(table)); |
| 165 | + } catch (SQLException ex) { |
| 166 | + ex.printStackTrace(); |
| 167 | + } |
| 168 | + } else if (e.getSource() == modifyButton) { |
| 169 | + // Modify selected student's data |
| 170 | + String studentId = JOptionPane.showInputDialog("Enter student ID:"); |
| 171 | + |
| 172 | + String sql = "SELECT * FROM sdata WHERE student_id = '" + studentId + "'"; |
| 173 | + |
| 174 | + try { |
| 175 | + ResultSet rs = stmt.executeQuery(sql); |
| 176 | + |
| 177 | + if (rs.next()) { |
| 178 | + String[] options = {"First Name", "Last Name", "Major", "Phone", "GPA", "Date of Birth"}; |
| 179 | + int choice = JOptionPane.showOptionDialog(null, "Select field to modify:", "Modify", |
| 180 | + JOptionPane.DEFAULT_OPTION, JOptionPane.PLAIN_MESSAGE, null, options, options[0]); |
| 181 | + |
| 182 | + String column = ""; |
| 183 | + switch (choice) { |
| 184 | + case 0 -> column = "first_name"; |
| 185 | + case 1 -> column = "last_name"; |
| 186 | + case 2 -> column = "major"; |
| 187 | + case 3 -> column = "phone"; |
| 188 | + case 4 -> column = "gpa"; |
| 189 | + case 5 -> column = "date_of_birth"; |
| 190 | + default -> { |
| 191 | + } |
| 192 | + } |
| 193 | + String newValue = JOptionPane.showInputDialog("Enter new value:"); |
| 194 | + |
| 195 | + sql = "UPDATE sdata SET " + column + " = '" + newValue + "' WHERE student_id = '" + studentId + "'"; |
| 196 | + |
| 197 | + stmt.executeUpdate(sql); |
| 198 | + JOptionPane.showMessageDialog(null, "Student data updated successfully."); |
| 199 | + } else { |
| 200 | + JOptionPane.showMessageDialog(null, "Student not found."); |
| 201 | + } |
| 202 | + } catch (SQLException ex) { |
| 203 | + ex.printStackTrace(); |
| 204 | + } |
| 205 | + } |
| 206 | + } |
| 207 | + |
| 208 | +} |
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