/// <summary>
/// Creates a new question
/// </summary>
private void NextQuestion()
{
if (NumberOfQuestionsLeft > 0)
{
// Break is over and buttons are now usable
IsBreakOn = false;
// Gets the buttons with content from helper class and set the correct answer
Tuple <List <Button>, Country> questions = nextQuestion.GetQuestion(ListOfButtons, ListofCountries, gameMode, NumberOfQuestionsLeft);
ListOfButtons = questions.Item1;
CorrectAnswer = questions.Item2;
// Removes the country from the list of questions
if (gameMode == GameMode.Capitals)
{
ListofCountries.Remove(CorrectAnswer);
}
else
{
ListofCountries.Remove(CorrectAnswer);
}
// Sets the question string based on the gamemode
Question = nextQuestion.QuestionString;
}
else
{
// Changes the page to summary
ChangePage(ApplicationPage.SummaryPage);
// Sends the message to the SummaryViewModel
MessengerInstance.Send(new NotificationMessage <GameMode>(gameMode, "GameModeSummary"));
MessengerInstance.Send(new NotificationMessage <List <Tuple <bool, Country, Country> > >(answers, "Summary"));
}
}
private void CheckTheAnswer(object parameter)
{
// Casts the parameter as a string
Button answer = (Button)parameter;
// Initialize
string correctAnswerString = string.Empty;
Country userAnswer = new Country();
// Check the answer based on the game mode
if (gameMode == GameMode.Capitals)
{
userAnswer = ListofCountries.Where(c => c.Name == answer.Content).FirstOrDefault();
correctAnswerString = CorrectAnswer.Name;
}
else
{
userAnswer = ListofCountries.Where(c => c.Capital == answer.Content).FirstOrDefault();
correctAnswerString = CorrectAnswer.Capital;
}
// Color the buttons according to answers
foreach (var button in ListOfButtons)
{
IsBreakOn = true;
// Users choice
if (button.Content == answer.Content)
{
button.IsSelected = true;
}
// Sets the color of buttons
if (button.IsSelected == true && button.Content == correctAnswerString)
{
button.BackgroundColor = "Green";
}
else if (button.IsSelected == true && button.Content != correctAnswerString)
{
button.BackgroundColor = "Red";
}
else if (button.Content == correctAnswerString)
{
button.BackgroundColor = "Green";
}
else
{
button.BackgroundColor = "Blue";
}
}
// If the user's answer matcher the correct answer then he gets a point
if (answer.Content == correctAnswerString)
{
// Decrease number of questions by 1
NumberOfQuestionsLeft--;
// Increase user score by one
NumberOfCorrectAnswers++;
// Adds the used country into summary, true because user was right
answers.Add(new Tuple <bool, Country, Country>(true, CorrectAnswer, userAnswer));
}
else
{
// Decrease number of questions by 1
NumberOfQuestionsLeft--;
// Adds the used country into summary, false because user was wrong
answers.Add(new Tuple <bool, Country, Country>(false, CorrectAnswer, userAnswer));
}
}
