private async void button1_Click(object sender, EventArgs e)
{
if (emailInput.Text.Length == 0 || passwordInput.Text.Length == 0)
{
MessageBox.Show("Please fill in the email and password !");
return;
}
loading.Visible = true;
var examSystemAPI = ExamSystemAPI.GetInstance();
var result = await examSystemAPI.Login(emailInput.Text, passwordInput.Text);
if (result["success"] == "true")
{
this.Hide();
var homePage = new HomePage();
homePage.Closed += (s, args) => this.Close();
homePage.Show();
}
else
{
MessageBox.Show("Invalid data !");
}
loading.Visible = false;
}
private async void newQuestionButton_Click(object sender, EventArgs e)
{
if (marksInput.Text.Length == 0)
{
MessageBox.Show("Please enter the marks for this question");
}
if (questionInput.Text.Length == 0)
{
MessageBox.Show("Enter the question title !");
return;
}
if (optionsList.Items.Count == 0)
{
MessageBox.Show("There needs to be choices !");
return;
}
if (optionsList.SelectedIndex < 0)
{
MessageBox.Show("You need to select an answer !");
return;
}
String options = "[";
foreach (var item in optionsList.Items)
{
options += '"' + item.ToString() + '"' + ",";
}
options = options.Remove(options.Length - 1);
options += "]";
String type = truefalseButton.Checked ? "truefalse" : "multichoice";
var addQuestion = await ExamSystemAPI.GetInstance().AddQuestion(examId, questionInput.Text, optionsList.SelectedItem.ToString(), options, type, marksInput.Text);
if (addQuestion)
{
MessageBox.Show("Question added successfully");
}
else
{
MessageBox.Show("Something went wrong when adding the question !");
}
}
private async void button1_Click(object sender, EventArgs e)
{
if (nameInput.Text.Length == 0 || textBox1.Text.Length == 0)
{
MessageBox.Show("Can't add questions until you fill in the exam data !");
return;
}
var startTime = startsAtTime.Value.ToString("yyyy-MM-dd HH:mm:ss");
var result = await ExamSystemAPI.GetInstance().NewExam(nameInput.Text, int.Parse(textBox1.Text), startTime);
if (result == -1)
{
MessageBox.Show("Error adding new exam !");
return;
}
examId = result;
panel1.Hide();
panel2.Visible = true;
}
private async void submitAnswersButton_Click(object sender, EventArgs e)
{
int index = 0;
foreach (var item in answersLists)
{
// MessageBox.Show(item.ElementAt(index).Value.SelectedItem.ToString());
if (item.ElementAt(0).Value.SelectedIndex < 0)
{
MessageBox.Show("You need to select the answer for all the questions !!");
return;
}
index++;
}
String jsonAnswers = "[";
index = 0;
foreach (var item in answersLists)
{
// MessageBox.Show(item.ElementAt(index).Value.SelectedItem.ToString());
jsonAnswers += "{\"question_id\": " + item.ElementAt(0).Key + ",";
jsonAnswers += "\"answer\": \"" + item.ElementAt(0).Value.SelectedItem.ToString() + "\"},";
index++;
}
jsonAnswers = jsonAnswers.Remove(jsonAnswers.Length - 1);
jsonAnswers += "]";
var result = await ExamSystemAPI.GetInstance().SolveExam(HomePage.selectedExamId, jsonAnswers);
if (result != -1)
{
MessageBox.Show("You answers Have been submitted, Your mark is :" + result.ToString());
this.Hide();
}
}
private async void SolveExam_Load(object sender, EventArgs e)
{
this.MaximizeBox = false;
var result = await ExamSystemAPI.GetInstance().GetExam(HomePage.selectedExamId);
int index = 0;
foreach (var item in result)
{
Panel panel = new Panel();
panel.Size = new Size(751, 73);
panel.Location = new Point(4, (index * 80) + 90);
panel.BackColor = Color.FromKnownColor(KnownColor.ButtonHighlight);
Label questionTitle = new Label();
questionTitle.Text = item["question"];
questionTitle.Location = new Point(8, 7);
questionTitle.Font = new Font(new FontFamily("Arial"), 12f, FontStyle.Regular);
questionTitle.Size = new Size(600, 21);
questionTitle.Visible = true;
panel.Controls.Add(questionTitle);
Label marksLabel = new Label();
marksLabel.Text = item["marks"] + " Marks";
marksLabel.Location = new Point(649, 7);
marksLabel.Font = new Font(new FontFamily("Arial"), 12f, FontStyle.Regular);
marksLabel.Size = new Size(83, 21);
marksLabel.Visible = true;
panel.Controls.Add(marksLabel);
Label answerLabel = new Label();
answerLabel.Text = "Your Answer: ";
answerLabel.Location = new Point(8, 43);
answerLabel.Font = new Font(new FontFamily("Arial"), 9f, FontStyle.Regular);
answerLabel.Size = new Size(114, 17);
answerLabel.Visible = true;
panel.Controls.Add(answerLabel);
ComboBox answersList = new ComboBox();
answersList.Size = new Size(254, 23);
answersList.Location = new Point(147, 40);
answersList.Font = new Font(new FontFamily("Arial"), 12f, FontStyle.Regular);
answersList.Visible = true;
panel.Controls.Add(answersList);
var options = JsonConvert.DeserializeObject <List <string> >(item["options"]);
foreach (var option in options)
{
answersList.Items.Add(option);
}
answersLists.Add(new Dictionary <int, ComboBox> {
{ int.Parse(item["id"]), answersList }
});
panel.Visible = true;
questionsPanel.Controls.Add(panel);
panel.Update();
index++;
questionsPanel.AutoScroll = false;
questionsPanel.HorizontalScroll.Enabled = false;
questionsPanel.HorizontalScroll.Visible = false;
questionsPanel.HorizontalScroll.Maximum = 0;
questionsPanel.AutoScroll = true;
}
}
private async void HomePage_Load(object sender, EventArgs e)
{
this.MaximizeBox = false;
var examSystemApi = ExamSystemAPI.GetInstance();
var result = await examSystemApi.Home();
if (result == null)
{
MessageBox.Show("Something went wrong !!");
return;
}
if (examSystemApi.role == "professor")
{
newExamButton.Visible = true;
}
welcomeLabel.Text = "Welcome, " + examSystemApi.name;
int index = 0;
foreach (var exam in result)
{
Panel panel = new Panel();
panel.Size = new Size(764, 63);
panel.Location = new Point(7, (index * 70) + 90);
panel.BackColor = Color.FromKnownColor(KnownColor.Gainsboro);
Label examName = new Label();
examName.Text = exam["name"];
examName.Location = new Point(6, 3);
examName.Font = new Font(new FontFamily("Arial"), 20.25f, FontStyle.Regular);
examName.Size = new Size(600, 35);
examName.Visible = true;
panel.Controls.Add(examName);
Label startsAtLabel = new Label();
startsAtLabel.Text = "Starts at: " + exam["starts_at"];
startsAtLabel.Location = new Point(8, 39);
startsAtLabel.Font = new Font(new FontFamily("Arial"), 8.25f, FontStyle.Regular);
startsAtLabel.Visible = true;
startsAtLabel.Size = new Size(600, 15);
panel.Controls.Add(startsAtLabel);
if (ExamSystemAPI.GetInstance().role == "student")
{
Button participateButton = new Button();
participateButton.Text = "Participate";
participateButton.UseVisualStyleBackColor = false;
participateButton.FlatStyle = FlatStyle.Flat;
participateButton.ForeColor = Color.FromKnownColor(KnownColor.White);
participateButton.BackColor = Color.FromKnownColor(KnownColor.RoyalBlue);
participateButton.FlatAppearance.BorderSize = 0;
participateButton.Size = new Size(87, 56);
participateButton.Location = new Point(672, 4);
participateButton.Click += (object s, EventArgs ee) => { ParticipateInExam(s, ee, exam["id"]); };
participateButton.Visible = true;
panel.Controls.Add(participateButton);
}
panel.Visible = true;
panel1.Controls.Add(panel);
panel.Update();
index++;
}
panel1.AutoScroll = false;
panel1.HorizontalScroll.Enabled = false;
panel1.HorizontalScroll.Visible = false;
panel1.HorizontalScroll.Maximum = 0;
panel1.AutoScroll = true;
}