public void ChangeAnswer()
{
if (answer != null)
{
if (question != null)
{
id = string.Concat(question.Id, ";", answer.Id);
}
else
{
id = string.Concat(
id.Split(';').FirstOrDefault(),
";",
answer.Id
);
}
ViewModelReplaceWindow replaceWindow = new ViewModelReplaceWindow();
replaceWindow.SendData(answer.Name, ConverQuestionsToList(), id);
replaceWindow.OpenWindow(300, 200);
}
else
{
ViewModelMessageWindow message = new ViewModelMessageWindow();
message.SendMessage("\n\nNie wybrałeś odpowiedzi!");
message.OpenWindow(300, 200);
}
}
public ObservableCollection <XML.Question> RemoveQuestion()
{
if (question != null)
{
var questionsList = ConverQuestionsToList();
int id = question.Id - 1;
questionsList.RemoveAt(id);
//update question id
for (int i = 0; i < questionsList.Count; i++)
{
questionsList[i].Id = i + 1;
}
XML newXmlData = new XML();
newXmlData.QuestionsList = questionsList;
XML.Serialize(newXmlData);
LoadData();
}
else
{
ViewModelMessageWindow message = new ViewModelMessageWindow();
message.SendMessage("\n\nNie wybrałeś pytania!");
message.OpenWindow(300, 200);
}
return(questions);
}
void Start()
{
if (QuestionsMax > 0)
{
if (clickStartAgain)
{
counter = 0;
NextButtonName = "Next";
}
clickStartAgain = true;
IsEnabledAfterStart = true;
IsDisabledAfterStart = false;
var allQuestions = new XML().Deserialize().QuestionsList;
if (QuestionsMax > allQuestions.Count)
{
string msg = string.Concat("\n\nNie ma tyle pytań w bazie, ilość pytań w bazie: ", allQuestions.Count, ".");
ViewModelMessageWindow message = new ViewModelMessageWindow();
message.SendMessage(msg);
message.OpenWindow(300, 200);
return;
}
Random randomQuestions = new Random();
List <XML.Question> mixedQuestions = allQuestions
.OrderBy(e => randomQuestions.Next())
.ToList();
questionsForOneTest = mixedQuestions
.Take(QuestionsMax)
.ToList();
startAgainProperties = new List <object>
{
QuestionsMax,
AutoReplies,
questionsForOneTest
};
NextQuestion();
Messenger.Default.Send <AutoReplyMessage>(new AutoReplyMessage
{
Message = AutoReplies
});
}
else
{
ViewModelMessageWindow message = new ViewModelMessageWindow();
message.SendMessage("\n\nNiepoprawna ilość pytań!");
message.OpenWindow(300, 200);
}
}
public void ChangeQuestion()
{
if (question != null)
{
id = string.Concat(question.Id, ";", 0);
ViewModelReplaceWindow replaceWindow = new ViewModelReplaceWindow();
replaceWindow.SendData(question.Values, ConverQuestionsToList(), id);
replaceWindow.OpenWindow(300, 200);
}
else
{
ViewModelMessageWindow message = new ViewModelMessageWindow();
message.SendMessage("\n\nNie wybrałeś pytania!");
message.OpenWindow(300, 200);
}
}
public void GenerateRaport(List <XML.Question> questions)
{
string report = string.Empty;
for (int i = 0; i < questions.Count; i++)
{
int questionNumber = i + 1;
var correctAnswers = questions[i].Items
.Where(q => q.IsOk == true && q.Marked == true)
.ToArray();
var wrongAnswers = questions[i].Items
.Where(q => q.IsOk == false && q.Marked == true)
.ToArray();
var allCorrectAnswers = questions[i].Items
.Where(q => q.IsOk == true)
.ToArray();
report = string.Concat(
report,
ResultReport(
correctAnswers,
wrongAnswers,
allCorrectAnswers,
questionNumber,
questions[i]),
"\n\n"
);
}
ViewModelMessageWindow message = new ViewModelMessageWindow();
message.SendMessage(report);
message.OpenWindow(500, 500);
}
public void GetNewQuestionOrAnswer()
{
if (!string.IsNullOrEmpty(newQuestionOrAnswer))
{
int questionId = int.Parse(
idHelper.Split(';').FirstOrDefault()
);
int answerId = int.Parse(
idHelper.Split(';').LastOrDefault()
);
if (!string.IsNullOrEmpty(statement))
{
bool isQuestion = false;
if (answerId == 0)
{
isQuestion = true;
}
Messenger.Default.Send <WindowMessage>(new WindowMessage
{
Message = newQuestionOrAnswer,
AnswerId = answerId,
QuestionId = questionId,
IsQuestion = isQuestion
});
}
}
else
{
ViewModelMessageWindow message = new ViewModelMessageWindow();
message.SendMessage("\n\nNie napisałeś nowej odpowiedzi!");
message.OpenWindow(300, 200);
}
}
internal static void ShowMessage(string messageText, string messageHeader)
{
_messageWindow = new MessageWindow();
if ((_messageWindow.Owner = App.GetActiveWindow()) == null)
{
throw (new Exception("No parent window loaded"));
}
_messageWindow.WindowStartupLocation = WindowStartupLocation.CenterOwner;
// Create ViewModel to which main window binds
_messageWindowViewModel = new ViewModelMessageWindow();
_messageWindowViewModel.MessageText = messageText;
_messageWindowViewModel.MessageHeader = messageHeader;
// When ViewModel asks to be closed, close window
_messageWindowViewModel.RequestClose += new EventHandler(CloseMessageWindow);
// Allow all controls in window to bind to ViewModel by setting DataContext
_messageWindow.DataContext = _messageWindowViewModel;
// Show window
_messageWindow.ShowDialog();
}
public void AddQuestion(
string question,
string answer1,
bool answer1IsTrue,
string answer2,
bool answer2IsTrue,
string answer3,
bool answer3IsTrue,
string answer4,
bool answer4IsTrue)
{
List <Answer> answers = new List <Answer>();
XML questions = new XML().Deserialize();
bool questionExistInDB = questions.QuestionsList.Any(q => q.Values == question);
if (questionExistInDB)
{
ViewModelMessageWindow messageWindow = new ViewModelMessageWindow();
messageWindow.SendMessage("\n\nTakie pytanie już istenieje!");
messageWindow.OpenWindow(300, 200);
return;
}
Answer answerFirst = new Answer
{
Id = 1,
IsOk = answer1IsTrue,
Name = answer1
};
Answer answerSecond = new Answer
{
Id = 2,
IsOk = answer2IsTrue,
Name = answer2
};
Answer answerThird = new Answer
{
Id = 3,
IsOk = answer3IsTrue,
Name = answer3
};
Answer answerFourth = new Answer
{
Id = 4,
IsOk = answer4IsTrue,
Name = answer4
};
answers.Add(answerFirst);
answers.Add(answerSecond);
answers.Add(answerThird);
answers.Add(answerFourth);
questions.QuestionsList.Add(
new XML.Question()
{
Id = questions.QuestionsList.Count + 1,
Values = question,
Items = answers
});
XML.Serialize(questions);
Messenger.Default.Send <RefreshQuestions>(new RefreshQuestions
{
Refresh = true
});
ViewModelMessageWindow message = new ViewModelMessageWindow();
message.SendMessage("\n\nPytanie zostało dodane.");
message.OpenWindow(300, 200);
}
