private void AddPlacementCorrectAnswer(object o)
{
var shelfNumber = o.ToString();
var fullImageFileName = Answers[SelectedAnswerIndex].ImageFileName;
switch (shelfNumber)
{
case "1":
PlacementCorrectAnswer1.Add(fullImageFileName);
break;
case "2":
PlacementCorrectAnswer2.Add(fullImageFileName);
break;
case "3":
PlacementCorrectAnswer3.Add(fullImageFileName);
break;
case "4":
PlacementCorrectAnswer4.Add(fullImageFileName);
break;
case "5":
PlacementCorrectAnswer5.Add(fullImageFileName);
break;
}
}
private void DeleteImage()
{
var fullImageFileName = Answers[SelectedAnswerIndex].ImageFileName;
if (IssueType == IssueTypes.Placement)
{
var imageFileName = Answers[SelectedAnswerIndex].OriginalImageFileName;
while (PlacementCorrectAnswer1.Contains(fullImageFileName))
{
PlacementCorrectAnswer1.Remove(fullImageFileName);
}
while (PlacementCorrectAnswer2.Contains(fullImageFileName))
{
PlacementCorrectAnswer2.Remove(fullImageFileName);
}
while (PlacementCorrectAnswer3.Contains(fullImageFileName))
{
PlacementCorrectAnswer3.Remove(fullImageFileName);
}
while (PlacementCorrectAnswer4.Contains(fullImageFileName))
{
PlacementCorrectAnswer4.Remove(fullImageFileName);
}
while (PlacementCorrectAnswer5.Contains(fullImageFileName))
{
PlacementCorrectAnswer5.Remove(fullImageFileName);
}
while (CurrentIssue.PlacementCorrectAnswer1.Contains(imageFileName))
{
CurrentIssue.PlacementCorrectAnswer1.Remove(imageFileName);
}
while (CurrentIssue.PlacementCorrectAnswer2.Contains(imageFileName))
{
CurrentIssue.PlacementCorrectAnswer2.Remove(imageFileName);
}
while (CurrentIssue.PlacementCorrectAnswer3.Contains(imageFileName))
{
CurrentIssue.PlacementCorrectAnswer3.Remove(imageFileName);
}
while (CurrentIssue.PlacementCorrectAnswer4.Contains(imageFileName))
{
CurrentIssue.PlacementCorrectAnswer4.Remove(imageFileName);
}
while (CurrentIssue.PlacementCorrectAnswer5.Contains(imageFileName))
{
CurrentIssue.PlacementCorrectAnswer5.Remove(imageFileName);
}
}
CurrentIssue.Answers.RemoveAt(SelectedAnswerIndex);
Answers.RemoveAt(SelectedAnswerIndex);
RaiseInterfaceUpdate();
// ReSharper disable AssignNullToNotNullAttribute
File.Delete(fullImageFileName);
// ReSharper restore AssignNullToNotNullAttribute
}
private void NextIssue(object o)
{
CurrentIssue.IsAnswered = true;
// Save answer
var isCorrect = false;
switch (IssueType)
{
case IssueTypes.Selection:
{
// ReSharper disable PossibleNullReferenceException
var selectedByUserIssueIndex = Answers.IndexOf(Answers.First(a => a.SelectedByUser)) + 1;
var correctIssueIndex = CurrentIssue.Answers.IndexOf(CurrentIssue.Answers.First(a => a.IsCorrect)) + 1;
// ReSharper restore PossibleNullReferenceException
AppController.UserInfo.Answers[_currentSet].Add(new UserAnswer
{
IsCorrect = (isCorrect = selectedByUserIssueIndex == correctIssueIndex),
Answer = selectedByUserIssueIndex.ToString("0"),
CorrectAnswer = correctIssueIndex.ToString("0"),
Points = CurrentIssue.CorrectAnswerPoints
});
}
break;
case IssueTypes.SelectionInImage:
AppController.UserInfo.Answers[_currentSet].Add(new UserAnswer
{
IsCorrect = (isCorrect = UserAnswer == CorrectAnswer),
Answer = UserAnswer.ToString("0"),
CorrectAnswer = CorrectAnswer.ToString("0"),
Points = CurrentIssue.CorrectAnswerPoints
});
break;
case IssueTypes.ImageSelection:
{
// ReSharper disable AssignNullToNotNullAttribute
var userSelection = Answers.Where(a => a.SelectedByUser).Select(a => a.OriginalImageFileName).ToList();
var correctSelection = CurrentIssue.Answers.Where(a => a.Selected).Select(a => a.ImageFileName).ToList();
// ReSharper restore AssignNullToNotNullAttribute
AppController.UserInfo.Answers[_currentSet].Add(new UserAnswer
{
IsCorrect =
(isCorrect =
userSelection.Count == correctSelection.Count &&
userSelection.All(correctSelection.Contains)),
Answer = string.Empty,
CorrectAnswer = string.Empty,
Points = CurrentIssue.CorrectAnswerPoints
});
}
break;
case IssueTypes.Order:
AppController.UserInfo.Answers[_currentSet].Add(new UserAnswer
{
// ReSharper disable AssignNullToNotNullAttribute
IsCorrect = (isCorrect = !Answers.Where((answer, index) => answer.OrderNo != index).Any()),
// ReSharper restore AssignNullToNotNullAttribute
Answer = string.Empty,
CorrectAnswer = string.Empty,
Points = CurrentIssue.CorrectAnswerPoints
});
break;
case IssueTypes.Placement:
isCorrect = PlacementCorrectAnswer1.Count == CurrentIssue.PlacementCorrectAnswer1.Count &&
!PlacementCorrectAnswer1.Where(
(imageFileName, index) =>
imageFileName !=
Path.Combine(_currentDirectory, CurrentIssue.PlacementCorrectAnswer1[index])).Any();
isCorrect &= PlacementCorrectAnswer2.Count == CurrentIssue.PlacementCorrectAnswer2.Count &&
!PlacementCorrectAnswer2.Where(
(imageFileName, index) =>
imageFileName !=
Path.Combine(_currentDirectory, CurrentIssue.PlacementCorrectAnswer2[index])).Any();
isCorrect &= NumberOfShelves < 3 ||
(PlacementCorrectAnswer3.Count == CurrentIssue.PlacementCorrectAnswer3.Count &&
!PlacementCorrectAnswer3.Where(
(imageFileName, index) =>
imageFileName !=
Path.Combine(_currentDirectory, CurrentIssue.PlacementCorrectAnswer3[index])).Any());
isCorrect &= NumberOfShelves < 4 ||
(PlacementCorrectAnswer4.Count == CurrentIssue.PlacementCorrectAnswer4.Count &&
!PlacementCorrectAnswer4.Where(
(imageFileName, index) =>
imageFileName !=
Path.Combine(_currentDirectory, CurrentIssue.PlacementCorrectAnswer4[index])).Any());
isCorrect &= NumberOfShelves < 5 ||
(PlacementCorrectAnswer5.Count == CurrentIssue.PlacementCorrectAnswer5.Count &&
!PlacementCorrectAnswer4.Where(
(imageFileName, index) =>
imageFileName !=
Path.Combine(_currentDirectory, CurrentIssue.PlacementCorrectAnswer5[index])).Any());
AppController.UserInfo.Answers[_currentSet].Add(new UserAnswer
{
IsCorrect = isCorrect,
Answer = string.Empty,
CorrectAnswer = string.Empty,
Points = CurrentIssue.CorrectAnswerPoints
});
break;
}
if (isCorrect)
{
AppController.UserInfo.CorrectAnswers[_currentSet]++;
AppController.UserInfo.CorrectAnswerPoints[_currentSet] += CurrentIssue.CorrectAnswerPoints;
}
else
{
AppController.UserInfo.IncorrectAnswers[_currentSet]++;
}
// Go to the either next issue or result page
var issue = GetNextIssue();
if (issue == null)
{
var page = o as Page;
if (page != null && page.NavigationService != null)
{
page.NavigationService.Navigate(AppController.GetPage(ApplicationPages.ResultPage));
}
}
else
{
SetNewIssue(issue);
}
}
