public CPQuestionUserControl(CPQuestion cpQuestion)
{
InitializeComponent();
this.cpQuestion = cpQuestion;
this.richTextEditor.Text = cpQuestion.Content.Content;
foreach (Question q in this.cpQuestion.SubQuestions)
{
this.subQuestionTempCollection.Add(q.Clone() as Question);
}
this.questionListView.ItemsSource = this.subQuestionTempCollection;
}
internal Question CreateQuestion(QuestionType type)
{
Question question = null;
switch (type)
{
case QuestionType.MultiChoice:
{
MCQuestion mcQuestion = new MCQuestion();
for (int i = 0; i < 4; i++)
{
QuestionOption option = new QuestionOption();
option.Index = i;
mcQuestion.QuestionOptionCollection.Add(option);
}
question = mcQuestion;
}
break;
case QuestionType.MultiResponse:
{
MRQuestion mrQuestion = new MRQuestion();
for (int i = 0; i < 4; i++)
{
QuestionOption option = new QuestionOption();
option.Index = i;
mrQuestion.QuestionOptionCollection.Add(option);
}
question = mrQuestion;
}
break;
case QuestionType.Essay:
{
ESQuestion esQuestion = new ESQuestion();
question = esQuestion;
}
break;
case QuestionType.TrueFalse:
{
TFQuestion tfQuestion = new TFQuestion();
QuestionOption optionT = new QuestionOption();
optionT.Index = 0;
QuestionOption optionF = new QuestionOption();
optionF.Index = 1;
tfQuestion.QuestionOptionCollection.Add(optionT);
tfQuestion.QuestionOptionCollection.Add(optionF);
tfQuestion.RandomOption = true;
question = tfQuestion;
}
break;
case QuestionType.Match:
{
MAQuestion maQuestion = new MAQuestion();
for (int i = 0; i < 4; i++)
{
MAQuestionOption option = new MAQuestionOption();
option.Index = i;
maQuestion.OptionList.Add(option);
}
question = maQuestion;
}
break;
case QuestionType.FillInBlank:
{
FIBQuestion fibQuestion = new FIBQuestion();
question = fibQuestion;
}
break;
case QuestionType.Composite:
{
CPQuestion cpQuestion = new CPQuestion();
question = cpQuestion;
}
break;
}
question.DifficultyLevel = 3;
question.CreateTime = DateTime.Now.ToUniversalTime();
question.ModifyTime = DateTime.Now.ToUniversalTime();
return(question);
}
private IEnumerable <string> GetQuestionImageFiles(Question question)
{
foreach (string src in GetImageFiles(question.Content.Content))
{
yield return(src);
}
foreach (string src in GetImageFiles(question.Solution.Content))
{
yield return(src);
}
if (question is SelectableQuestion)
{
SelectableQuestion selectableQuestion = question as SelectableQuestion;
foreach (QuestionOption option in selectableQuestion.QuestionOptionCollection)
{
foreach (string optionImageSrc in GetImageFiles(option.OptionContent.Content))
{
yield return(optionImageSrc);
}
}
}
else if (question is FIBQuestion)
{
FIBQuestion fibQuestion = question as FIBQuestion;
foreach (QuestionBlank blank in fibQuestion.QuestionBlankCollection)
{
foreach (QuestionContent refAnswer in blank.ReferenceAnswerList)
{
foreach (string blankImageSrc in GetImageFiles(refAnswer.Content))
{
yield return(blankImageSrc);
}
}
}
}
else if (question is MAQuestion)
{
MAQuestion maQuestion = question as MAQuestion;
foreach (MAQuestionOption option in maQuestion.OptionList)
{
foreach (var optionImageSrc in GetImageFiles(option.LeftContent.Content))
{
yield return(optionImageSrc);
}
foreach (var optionImageSrc in GetImageFiles(option.RightContent.Content))
{
yield return(optionImageSrc);
}
}
}
else if (question is ESQuestion)
{
ESQuestion esQuestion = question as ESQuestion;
foreach (var refAnswerImageSrc in GetImageFiles(esQuestion.ReferenceAnswer.Content))
{
yield return(refAnswerImageSrc);
}
}
else if (question is CPQuestion)
{
CPQuestion cpQuestion = question as CPQuestion;
foreach (var subQuestion in cpQuestion.SubQuestions)
{
foreach (var subQuestionImageSrc in GetQuestionImageFiles(subQuestion as Question))
{
yield return(subQuestionImageSrc);
}
}
}
}
