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Quiz.java
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333 lines (274 loc) · 10.9 KB
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package quiz.application;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class Quiz extends JFrame implements ActionListener {
String questions[][] = new String[10][5];
String answers[][] = new String[10][2];
String useranswers[][] = new String[10][1];
JLabel qno, question;
JRadioButton opt1, opt2, opt3, opt4;
ButtonGroup groupoptions;
JButton next, submit, lifeline;
public static int timer = 15;
public static int ans_given = 0;
public static int count = 0;
public static int score = 0;
//database variables
Connection connection;
ResultSet resultSetQuestions;
ResultSet resultSetOptions;
ResultSet resultSetSolutions;
String name;
Quiz(String name) {
try {
connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/quiz_application", "root", "root");
retrieveDataFromDatabase(); // Call a method to fetch questions from the database
} catch (SQLException e) {
e.printStackTrace();
}
this.name = name;
setBounds(50, 0, 1440, 850);
getContentPane().setBackground(Color.WHITE);
setLayout(null);
ImageIcon i1 = new ImageIcon(ClassLoader.getSystemResource("icons/quiz.jpg"));
JLabel image = new JLabel(i1);
image.setBounds(0, 0, 1440, 392);
add(image);
qno = new JLabel();
qno.setBounds(100, 450, 50, 30);
qno.setFont(new Font("Tahoma", Font.PLAIN, 24));
add(qno);
question = new JLabel();
question.setBounds(150, 450, 900, 30);
question.setFont(new Font("Tahoma", Font.PLAIN, 24));
add(question);
opt1 = new JRadioButton();
opt1.setBounds(170, 520, 700, 30);
opt1.setBackground(Color.WHITE);
opt1.setFont(new Font("Dialog", Font.PLAIN, 20));
add(opt1);
opt2 = new JRadioButton();
opt2.setBounds(170, 560, 700, 30);
opt2.setBackground(Color.WHITE);
opt2.setFont(new Font("Dialog", Font.PLAIN, 20));
add(opt2);
opt3 = new JRadioButton();
opt3.setBounds(170, 600, 700, 30);
opt3.setBackground(Color.WHITE);
opt3.setFont(new Font("Dialog", Font.PLAIN, 20));
add(opt3);
opt4 = new JRadioButton();
opt4.setBounds(170, 640, 700, 30);
opt4.setBackground(Color.WHITE);
opt4.setFont(new Font("Dialog", Font.PLAIN, 20));
add(opt4);
groupoptions = new ButtonGroup();
groupoptions.add(opt1);
groupoptions.add(opt2);
groupoptions.add(opt3);
groupoptions.add(opt4);
next = new JButton("Next");
next.setBounds(1100, 550, 200, 40);
next.setFont(new Font("Tahoma", Font.PLAIN, 22));
next.setBackground(new Color(30, 144, 255));
next.setForeground(Color.WHITE);
next.addActionListener(this);
add(next);
lifeline = new JButton("50-50 Lifeline");
lifeline.setBounds(1100, 630, 200, 40);
lifeline.setFont(new Font("Tahoma", Font.PLAIN, 22));
lifeline.setBackground(new Color(30, 144, 255));
lifeline.setForeground(Color.WHITE);
lifeline.addActionListener(this);
add(lifeline);
submit = new JButton("Submit");
submit.setBounds(1100, 710, 200, 40);
submit.setFont(new Font("Tahoma", Font.PLAIN, 22));
submit.setBackground(new Color(30, 144, 255));
submit.setForeground(Color.WHITE);
submit.addActionListener(this);
submit.setEnabled(false);
add(submit);
start(count);
setVisible(true);
}
private void retrieveDataFromDatabase() {
try {
String questionsSql = "SELECT * FROM quiz_questions";
PreparedStatement questionsStatement = connection.prepareStatement(questionsSql);
resultSetQuestions = questionsStatement.executeQuery();
System.out.println(resultSetOptions);
int i = 0;
while (resultSetQuestions.next() && i < 10) {
questions[i][0] = resultSetQuestions.getString("question_text");
// Populate other columns as needed
// Retrieve choices and solutions based on question IDs
int questionId = resultSetQuestions.getInt("question_id");
retrieveOptionsForQuestion(questionId, i);
retrieveSolutionForQuestion(questionId, i);
i++;
}
} catch (SQLException e) {
e.printStackTrace();
}
}
private void retrieveOptionsForQuestion(int questionId, int i) {
try{
String choicesSql = "SELECT * FROM quiz_choices where question_id = " + questionId;
PreparedStatement choicesStatement = connection.prepareStatement(choicesSql);
resultSetOptions = choicesStatement.executeQuery();
// System.out.println(resultSetOptions);
// Implement code to retrieve choices from the database based on question ID and populate choices array
int j=1;
while ( resultSetOptions.next() && j < 5) {
questions[i][j] = resultSetOptions.getString("choice_text");
// System.out.println(questionId[i][j]);
j++;
}
}catch(SQLException e) {
e.printStackTrace();
}
}
private void retrieveSolutionForQuestion(int questionId, int i) {
// Implement code to retrieve solutions from the database based on question ID and populate answers array
try{
String solutionsSql = "SELECT * FROM quiz_answers where question_id = " + questionId;
PreparedStatement solutionsStatement = connection.prepareStatement(solutionsSql);
resultSetSolutions = solutionsStatement.executeQuery();
// System.out.println(resultSetOptions);
// Implement code to retrieve choices from the database based on question ID and populate choices array
int j=1;
while ( resultSetSolutions.next() && j < 2) {
answers[i][j] = resultSetSolutions.getString("answer_text");
// System.out.println(questionId[i][j]);
j++;
}
}catch(SQLException e) {
e.printStackTrace();
}
}
public void actionPerformed(ActionEvent ae) {
if (ae.getSource() == next) {
repaint();
opt1.setEnabled(true);
opt2.setEnabled(true);
opt3.setEnabled(true);
opt4.setEnabled(true);
ans_given = 1;
if (groupoptions.getSelection() == null) {
useranswers[count][0] = "";
} else {
useranswers[count][0] = groupoptions.getSelection().getActionCommand();
}
if (count == 8) {
next.setEnabled(false);
submit.setEnabled(true);
}
count++;
start(count);
} else if (ae.getSource() == lifeline) {
if (count == 2 || count == 4 || count == 6 || count == 8 || count == 9) {
opt2.setEnabled(false);
opt3.setEnabled(false);
} else {
opt1.setEnabled(false);
opt4.setEnabled(false);
}
lifeline.setEnabled(false);
} else if (ae.getSource() == submit) {
ans_given = 1;
if (groupoptions.getSelection() == null) {
useranswers[count][0] = "";
} else {
useranswers[count][0] = groupoptions.getSelection().getActionCommand();
}
for (int i = 0; i < useranswers.length; i++) {
if (useranswers[i][0].equals(answers[i][1])) {
score += 10;
} else {
score += 0;
}
}
setVisible(false);
new Score(name, score);
}
}
public void paint(Graphics g) {
super.paint(g);
String time = "Time left - " + timer + " seconds"; // 15
g.setColor(Color.RED);
g.setFont(new Font("Tahoma", Font.BOLD, 25));
if (timer > 0) {
g.drawString(time, 1100, 500);
} else {
g.drawString("Times up!!", 1100, 500);
}
timer--; // 14
try {
Thread.sleep(1000);
repaint();
} catch (Exception e) {
e.printStackTrace();
}
if (ans_given == 1) {
ans_given = 0;
timer = 15;
} else if (timer < 0) {
timer = 15;
opt1.setEnabled(true);
opt2.setEnabled(true);
opt3.setEnabled(true);
opt4.setEnabled(true);
if (count == 8) {
next.setEnabled(false);
submit.setEnabled(true);
}
if (count == 9) { // submit button
if (groupoptions.getSelection() == null) {
useranswers[count][0] = "";
} else {
useranswers[count][0] = groupoptions.getSelection().getActionCommand();
}
for (int i = 0; i < useranswers.length; i++) {
if (useranswers[i][0].equals(answers[i][1])) {
score += 10;
} else {
score += 0;
}
}
setVisible(false);
new Score(name, score);
} else { // next button
if (groupoptions.getSelection() == null) {
useranswers[count][0] = "";
} else {
useranswers[count][0] = groupoptions.getSelection().getActionCommand();
}
count++; // 0 // 1
start(count);
}
}
}
public void start(int count) {
qno.setText("" + (count + 1) + ". ");
question.setText(questions[count][0]);
opt1.setText(questions[count][1]);
opt1.setActionCommand(questions[count][1]);
opt2.setText(questions[count][2]);
opt2.setActionCommand(questions[count][2]);
opt3.setText(questions[count][3]);
opt3.setActionCommand(questions[count][3]);
opt4.setText(questions[count][4]);
opt4.setActionCommand(questions[count][4]);
groupoptions.clearSelection();
}
public static void main(String[] args) {
new Quiz("User");
}
}