public TableQuestionUserControl(TableQuestion mrQuestion, SelectableQuestionResponse response)
{
this.mrQuestion = mrQuestion;
this.response = response;
InitializeComponent();
}
public MCQuestionUserControl(MCQuestion mcQuestion, SelectableQuestionResponse response, int index)
{
this.mcQuestion = mcQuestion;
this.index = index;
this.response = response;
InitializeComponent();
}
public MCQuestionUserControl(SelectableQuestion selectableQuestion, SelectableQuestionResponse response, int index)
{
this.selectableQuestion = selectableQuestion;
this.index = index;
this.response = response;
InitializeComponent();
this.toggleButtonCheckedHandler = (s, e) =>
{
this.radioBtn_Checked(s, e);
};
this.toggleButtonUnCheckedHandler = (s, e) =>
{
this.radioBtn_UnChecked(s, e);
};
}
private static Paragraph CreateTableQuestion(TableQuestion question,
int index,
FlowDocument flowDocument,
bool showAnswer,
bool showResponse,
SelectableQuestionResponse response)
{
Paragraph questionPara = new Paragraph();
flowDocument.Blocks.Add(questionPara);
Run questionBodyRun = new Run((index + 1).ToString() + ". " + question.Content.Content + "\n");
questionPara.Inlines.Add(questionBodyRun);
Table optionTable = new Table();
TableRowGroup tableRowGroup = new TableRowGroup();
optionTable.RowGroups.Add(tableRowGroup);
flowDocument.Blocks.Add(optionTable);
int i = 0;
int rowCount = (int)System.Math.Sqrt(question.QuestionOptionCollection.Count);
for (int row = 0; row < rowCount; row++)
{
tableRowGroup.Rows.Add(new TableRow());
TableRow tableRow = tableRowGroup.Rows[row];
for (int col = 0; col < rowCount; col++)
{
QuestionOption option = question.QuestionOptionCollection[i++];
System.Windows.Documents.Section optionPara = CreateContentControl(option.OptionContent, string.Empty, null, response);
if (showResponse)
{
if (Enumerable.Count <string>(Enumerable.Where <string>(response.OptionIdList, (c => (c == option.Id)))) > 0)
{
optionPara.FontWeight = FontWeights.Bold;
optionPara.FontSize = 16f;
optionPara.FontStyle = FontStyles.Italic;
}
}
TableCell cell = new TableCell(optionPara);
cell.BorderThickness = new Thickness(1);
cell.BorderBrush = new SolidColorBrush(Colors.Black);
cell.TextAlignment = TextAlignment.Center;
cell.LineHeight = 30f;
tableRow.Cells.Add(cell);
}
}
if (showAnswer)
{
System.Windows.Documents.Section answerSection = new System.Windows.Documents.Section();
Paragraph answerPara = new Paragraph();
answerSection.Blocks.Add(answerPara);
flowDocument.Blocks.Add(answerSection);
answerPara.Inlines.Add("答案：");
foreach (QuestionOption option in question.QuestionOptionCollection)
{
if (option.IsCorrect)
{
CreateContentControl(option.OptionContent, " ", answerSection, response);
answerPara.Inlines.Add(", ");
}
}
}
return(questionPara);
}
private static void CreateMCQuestion(SelectableQuestion question,
int index,
FlowDocument flowDocument,
bool showAnswer,
bool showResponse,
SelectableQuestionResponse response)
{
System.Windows.Documents.Section questionSection = new System.Windows.Documents.Section();
flowDocument.Blocks.Add(questionSection);
// Shuffle options
List <int> optionIndexList = new List <int>();
if (question.RandomOption)
{
Random rand = new Random((int)DateTime.Now.Ticks);
while (true)
{
int i = rand.Next(question.QuestionOptionCollection.Count * 10) % question.QuestionOptionCollection.Count;
bool found = false;
foreach (int temp in optionIndexList)
{
if (temp == i)
{
found = true;
break;
}
}
if (!found)
{
optionIndexList.Add(i);
}
if (optionIndexList.Count == question.QuestionOptionCollection.Count)
{
break;
}
Thread.Sleep(10);
}
}
else
{
for (int i = 0; i < question.QuestionOptionCollection.Count; i++)
{
optionIndexList.Add(i);
}
}
System.Windows.Documents.Section questionContentBlock = CreateContentControl(question.Content, (index + 1).ToString() + ". ", null, response);
Paragraph lastParagraph = null;
if (questionContentBlock.Blocks.LastBlock is Paragraph)
{
lastParagraph = questionContentBlock.Blocks.LastBlock as Paragraph;
}
if (lastParagraph == null)
{
lastParagraph = new Paragraph();
questionContentBlock.Blocks.Add(lastParagraph);
}
if (showResponse)
{
if (Enumerable.Count <string>(response.OptionIdList) > 0)
{
for (int i = 0; i < question.QuestionOptionCollection.Count; i++)
{
QuestionOption option = question.QuestionOptionCollection[optionIndexList[i]];
if (option.Id == response.OptionIdList[0])
{
lastParagraph.Inlines.Add(CreateText(" ( " + (char)('A' + i) + " )"));
break;
}
}
}
else
{
lastParagraph.Inlines.Add(CreateText("( )"));
}
}
else
{
lastParagraph.Inlines.Add(CreateText("( )"));
}
if (showAnswer)
{
for (int i = 0; i < question.QuestionOptionCollection.Count; i++)
{
QuestionOption option = question.QuestionOptionCollection[optionIndexList[i]];
if (option.IsCorrect)
{
lastParagraph.Inlines.Add(CreateText(" 正确答案：" + (char)('A' + i)));
break;
}
}
}
questionSection.Blocks.Add(questionContentBlock);
for (int i = 0; i < question.QuestionOptionCollection.Count; i++)
{
QuestionOption option = question.QuestionOptionCollection[optionIndexList[i]];
System.Windows.Documents.Section optionSec = CreateContentControl(option.OptionContent, string.Format("\t{0}. ", (char)('A' + i)), null, response);
List <Block> tempList = new List <Block>();
tempList.AddRange(optionSec.Blocks);
optionSec.Blocks.Clear();
questionSection.Blocks.AddRange(tempList);
}
}
