public void CheckIfNewProblem(object sender, EventArgs e)
{
Boolean generateNewProblem = false;
//Check if answer is correct
if (MathProblems.Peek().IsSolutionCorrect(this.ProblemContentPage.Solution))
{
quiz.WasPreviousAnswerCorrect = true;
quiz.NumberOfCorrectAnswers++;
}
else
{
quiz.WasPreviousAnswerCorrect = false;
}
//else
//{
// if(ProblemGenerator.rng.Next(0,2) == 1)
// {
// generateNewProblem = true;
// }
//}
//Remove currently answered problem
MathProblems.Dequeue();
//if(generateNewProblem)
//{
// var newProblemQueue = quiz.GenerateMathProblems(1);
// MathProblems.Enqueue(newProblemQueue.Dequeue());
// quiz.NumberOfGeneratedProblems++;
//}
UpdateProblemPageWithProblem();
}
async private void UpdateProblemPageWithProblem()
{
if (MathProblems.Count != 0)
{
//Update labels or new problem
CurrentProblemNumber++;
//if (Navigation.ModalStack.Count > 0)
//{
// await Navigation.PopModalAsync();
//}
this.ProblemContentPage.ProblemNumber = CurrentProblemNumber.ToString();
this.ProblemContentPage.Problem = MathProblems.Peek().Problem;
this.ProblemContentPage.Hints = MathProblems.Peek().Hints;
string status = String.Empty;
if (CurrentProblemNumber == 1)
{
status = @"N/A";
}
else
{
status = @"";
}
this.ProblemContentPage.UpdateProblemPage(status);
if (Navigation.ModalStack.Count == 0)
{
await Navigation.PushModalAsync(this.ProblemContentPage);
}
// this.ProblemContentPage.SolutionTextField.Focus();
}
else
{
//Dismiss problem page and show the results page
await Navigation.PopModalAsync();
string pluralizeProblemString = String.Empty;
if (quiz.NumberOfGeneratedProblems > 1)
{
pluralizeProblemString =
Convert.ToString(quiz.NumberOfGeneratedProblems) +
" problems were generated during this quiz.";
}
else if (quiz.NumberOfGeneratedProblems == 1)
{
pluralizeProblemString = "1 problem was generated for this quiz.";
}
else
{
pluralizeProblemString = "No extra problems were generated for this quiz.";
}
this.ResultsContentPage.ResultsSummary =
$"You answered {quiz.NumberOfCorrectAnswers} out of {quiz.NumberOfProblems} problems correctly!";
this.ResultsContentPage.NumberOfGeneratedProblems = pluralizeProblemString;
var recommendation = quiz.GetRecommendation();
this.ResultsContentPage.Recommendation = recommendation;
this.ResultsContentPage.UpdatePage();
//Clear this text so that when the modal view is switching
//the user does not breifly see previous test score
this.PreviousSessionLabel.Text = String.Empty;
this.RecommendationLabel.Text = String.Empty;
await Navigation.PushModalAsync(this.ResultsContentPage);
if (quiz.NumberOfCorrectAnswers == quiz.NumberOfProblems)
{
this.PreviousSessionLabel.TextColor = Color.Blue;
}
else
{
this.PreviousSessionLabel.TextColor = Color.Red;
}
this.PreviousSessionLabel.Text =
$"Last Session Results: {quiz.NumberOfCorrectAnswers} correct out of {quiz.NumberOfProblems}";
this.RecommendationLabel.Text = recommendation;
}
}