public void SetUp(ViewInterface view, FileModelInterface fileModel)
{
this.view = view;
this.fileModel = fileModel;
this.quiz = this.GetEmptyQuiz();
this.LoadQuiz(quiz);
}
public void LoadQuiz(Quiz.Quiz quiz)
{
this.viewMap.ResetBoxes();
this.viewMap.titleBox.Text = quiz.GetName();
List <Quiz.Question> questions = quiz.GetQuestions();
if (questions.Count() > 0)
{
this.loadQuestion(questions[0]);
}
}
private Quiz.Quiz ParseXmlToObject(XmlDocument xmlDocument)
{
try
{
List <Quiz.Question> questions = new List <Quiz.Question>();
foreach (XmlElement question in xmlDocument["quiz"]["questions"].ChildNodes)
{
if (question["answers"].ChildNodes.Count >= 2)
{
List <Quiz.Answer> answers = new List <Quiz.Answer>();
foreach (XmlElement answer in question["answers"])
{
answers.Add(
new Quiz.Answer(
answer["content"]["pl"].HasChildNodes ? answer["content"]["pl"].FirstChild.Value : "",
Boolean.Parse(answer["is_correct"].FirstChild.Value)
)
);
}
Quiz.Question fileQuestion = new Quiz.Question(
question["content"]["pl"].HasChildNodes ? question["content"]["pl"].FirstChild.Value : "",
answers[0],
answers[1],
answers.Skip(2).ToList()
);
questions.Add(fileQuestion);
}
else
{
// not enough answers
throw new Exception("File is invalid");
}
}
Quiz.Quiz parsedQuiz = new Quiz.Quiz(
xmlDocument["quiz"]["name"]["pl"].HasChildNodes ? xmlDocument["quiz"]["name"]["pl"].FirstChild.Value : "",
questions
);
return(parsedQuiz);
}
catch (NullReferenceException exception)
{
//File has no appropriate fields
throw new Exception("File is invalid");
}
}
public void ImprtFromFile(string filePath)
{
try
{
XmlDocument xml = this.fileModel.GetXmlDocument(filePath);
this.quiz = this.ParseXmlToObject(xml);
this.LoadQuiz(this.quiz);
}
catch (Exception exception)
{
// xml is not valid or doesnt ex
this.view.ShowModal(exception.Message);
}
}
public void NewQuiz()
{
this.quiz = new Quiz.Quiz(NEW_QUIZ_NAME);
this.LoadQuiz(quiz);
}
private void LoadQuiz(Quiz.Quiz quiz)
{
this.questionIndex = 0;
this.view.LoadQuiz(quiz);
}
public Quiz.Quiz GetEmptyQuiz()
{
Quiz.Quiz quiz = new Quiz.Quiz(NEW_QUIZ_NAME);
return(quiz);
}