//button enabled only during quiz skips actual qestion
private void nextBTN_Click(object sender, EventArgs e)
{
//if user click next to skip question
if (answersTXT.All(d => d.Cursor == Cursors.Hand))
{
Scores["not answered"]++;
//confirm answer to get next
QuizMannager.ConfirmAnswer(null);
WriteQuestion();
}
//if user click next after clicking check button
else
{
WriteQuestion();
}
}
//ask a question
public void WriteQuestion()
{
checkBTN.Enabled = false;
nextBTN.Enabled = true;
ClearAnswersLabels();
//get question (it'll be randomized)
var question = QuizMannager.GetQuestion();
//assign question text to label
questionTXT.Text = question.Text;
//assign answers to labels
for (int i = 0; i < answersTXT.Length; i++)
{
answersTXT[i].Text = question.Answers[i];
answersTXT[i].Cursor = Cursors.Hand;
}
}
//enabled only if any label is checked process answer
private void checkBTN_Click(object sender, EventArgs e)
{
//converiting labels selections into bool list representation
var userAnswers = new List <bool>();
foreach (var label in answersTXT)
{
userAnswers.Add(label.ForeColor == CheckedColor);
}
//get correct answers by colors and set them to answer labels and reset cursor
var answer = QuizMannager.ConfirmAnswer(userAnswers);
for (int i = 0; i < answer.Length; i++)
{
answersTXT[i].ForeColor = answer[i];
answersTXT[i].Cursor = Cursors.Arrow;
}
//if there is no error
if (answer.All(a => a == Color.Green || a == Color.White))
{
Scores["correct"]++;
}
else
{
Scores["wrong"]++;
}
//if check btn is disabled that means user clicked skip and next button click is unnesesary
if (!checkBTN.Enabled)
{
WriteQuestion();
}
//except that w8 for user click next
else
{
checkBTN.Enabled = false;
}
}