public Answer(MediaData Data)
: this()
{
if (Data == null)
{
Data = new MediaData();
}
this.Data = Data;
}
public MultiChoiceBallAswer(MediaData data, int ball)
: base(data)
{
if (ball < 0)
{
ball = 0;
}
this.ball = ball;
}
public Answer(MediaData Data, bool IsTrue)
: this()
{
if (Data == null)
{
Data = new MediaData();
}
this.Data = Data;
this.IsTrue = IsTrue;
}
public DataElementsControl(MediaData data)
: this(new DataElementsViewModel(data))
{
}
/// <summary>
/// парсинг вопроса
/// </summary>
/// <param name="question">элемент XML с вопросом</param>
/// <exception cref="ArgumentException">неправлиный тип вопроса</exception>
public virtual void Parse(XElement question)
{
this.ID = Int32.Parse(question.Attribute("ID").Value);
if (this.ID == null) {
throw new ArgumentException("Uncorrect xml file"); }
this.MaxMark = Int32.Parse(question.Attribute("MaxMark").Value);
if (this.MaxMark == null || this.MaxMark <= 0) { this.MaxMark = 1; }
this.MinMark = Int32.Parse(question.Attribute("MinMark").Value);
if (this.MinMark == null || this.MaxMark < 0 || this.MinMark >= this.MaxMark) { this.MinMark = 0; }
try
{
this.Type = Question.GetTypeOfQuestion(question);
}
catch
{
throw new ArgumentException("Uncorrect xml file");
}
XElement Mdata = question.Element("MediaData");
if (Mdata != null)
{
this.Data = new MediaData();
this.Data.Parse(Mdata);
}
switch (this.Type)
{
case QuestionType.SingleChoice:
{
foreach (XElement answer in question.Element("Answers").Elements())
{
Answer ans = new Answer();
ans.Parse(answer);
this.Answers.Add(ans);
}
break;
}
case QuestionType.MultiChoice:
{
break;
}
}
foreach (XElement RigthAns in question.Element("RightAnswers").Elements())
{
RightAnswer ans = RightAnswer.Parse(RigthAns);
this.RightAnswers.Add(ans);
}
}
public MultiChoiceBallAswer(MediaData data, bool istrue)
: base(data, istrue)
{
}
public MultiChoiceBallAswer(MediaData data)
: base(data)
{
}
public DataElementsViewModel(MediaData data)
{
this.DataModel = data;
// SetLongTextFile();
this.DataModel.Files.CollectionChanged += (sender, args) =>
OnUpdateImagesListHandler(this,new EventArgs());
}