private void CreateTableQuestion(SectionBaseInfo sectionInfo, Section section)
{
// Table Question
Random rand = new Random((int)DateTime.Now.Ticks);
int divValue = 2;// i;
string questionText = string.Format("请下表中选出是奇数的数。");
TableQuestion tableQuestion = ObjectCreator.CreateTableQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
int minValue = 10;
int maxValue = 100;
if (sectionInfo is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = sectionInfo as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
36, minValue, maxValue, true, (c => ((c % divValue) != 0))))
{
optionList.Add(option);
}
return(optionList);
});
tableQuestion.Solution.Content = this.CreateSolution(divValue);
section.QuestionCollection.Add(tableQuestion);
}
private void CreateTableQuestion(SectionBaseInfo info, Section section)
{
if (section.QuestionCollection.Count == 0)
{
this.questionValueList.Clear();
}
int minValue = 10;
int maxValue = 100;
if (info is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = info as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
Random rand = new Random((int)DateTime.Now.Ticks);
decimal result = rand.Next(minValue, maxValue);
bool exist = true;
for (int i = 0; i < 50; i++)
{
if (Enumerable.Where <decimal>(this.questionValueList, (c => (c == result))).Count <decimal>() == 0)
{
exist = false;
break;
}
Thread.Sleep(10);
result = rand.Next(minValue, maxValue);
}
if (exist)
{
return;
}
this.questionValueList.Add(result);
string questionText = string.Format("从下面选项中选出两个数的商是{0}", result);
TableQuestion tableQuestion = ObjectCreator.CreateTableQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
for (int j = 0; j < 36; j++)
{
if (rand.Next() % 2 == 0) // Create correct Option
{
int tmpvalue = 1;
if (minValue > 0)
{
tmpvalue = minValue;
}
decimal valueB = rand.Next(tmpvalue, maxValue);
decimal valueA = result * valueB;
QuestionOption option = new QuestionOption();
option.IsCorrect = true;
option.OptionContent.Content = string.Format("{0} ÷ {1}", valueA, valueB);
optionList.Add(option);
}
else
{
int tmpvalue = 1;
if (minValue > 0)
{
tmpvalue = minValue;
}
decimal valueB = rand.Next(tmpvalue, maxValue);
decimal valueA = rand.Next(minValue, maxValue);
QuestionOption option = new QuestionOption();
option.IsCorrect = (valueA / valueB == result) ? true : false;
option.OptionContent.Content = string.Format("{0} ÷ {1}", valueA, valueB);
optionList.Add(option);
}
}
return(optionList);
}
);
// tableQuestion.Solution.Content = string.Format("加数{0}与加数{1}的和是{2}，所以正确答案是{2}。", valueA, valueB, result);
section.QuestionCollection.Add(tableQuestion);
}
private void CreateTableQuestion(SectionBaseInfo sectionInfo, Section section)
{
Random rand = new Random((int)DateTime.Now.Ticks);
string questionText = string.Format("请下表中选出是合数的数。");
StringBuilder strBuilder = new StringBuilder();
TableQuestion tableQuestion = ObjectCreator.CreateTableQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
int minValue = 10;
int maxValue = 100;
if (sectionInfo is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = sectionInfo as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
36, minValue, maxValue, true,
(c) =>
{
for (int j = 2; j < c / 2 + 1; j++)
{
if (c % j == 0)
{
return(true);
}
}
return(false);
}))
{
optionList.Add(option);
decimal optionValue = Convert.ToDecimal(option.OptionContent.Content);
if (optionValue == 0)
{
strBuilder.AppendLine(string.Format("0 不是合数。"));
}
else if (!option.IsCorrect)
{
strBuilder.AppendLine(string.Format("{0}只有两个约数{1}，{2}。", optionValue, 1, optionValue));
}
else
{
decimal thirdValue = 0;
for (int j = 2; j < optionValue / 2 + 1; j++)
{
if (optionValue % j == 0)
{
thirdValue = j;
break;
}
}
strBuilder.AppendLine(string.Format("{0}有约数{1}，{2}，{3}...，大于2个，是正确答案。", optionValue, 1, optionValue, thirdValue));
}
}
return(optionList);
});
tableQuestion.Solution.Content = strBuilder.ToString();
tableQuestion.Tip = "合数至少有3个约数。";
section.QuestionCollection.Add(tableQuestion);
}
private void CreateTableQuestion(SectionBaseInfo sectionInfo, Section section)
{
// Table Question
Random rand = new Random((int)DateTime.Now.Ticks);
string questionText = string.Format("请下表中选出至少有两个质因数的数。");
TableQuestion tableQuestion = ObjectCreator.CreateTableQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
int minValue = 10;
int maxValue = 100;
if (sectionInfo is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = sectionInfo as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
36, minValue, maxValue, true,
(c) =>
{
int j, k, iFlag = 0;
for (j = 2; j < c / 2 + 1; j++)
{
if (c % j == 0)
{
iFlag = 0;
for (k = 2; k < j / 2 + 1; k++)
{
if (j % k == 0)
{
iFlag = 1;
break;
}
}
if (iFlag == 0)
{
return(true);
}
}
}
return(false);
}))
{
optionList.Add(option);
}
return(optionList);
});
tableQuestion.Tip = this.CreateTip();
section.QuestionCollection.Add(tableQuestion);
}
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 void CreateTableQuestion(SectionBaseInfo info, Section section)
{
int minValue = 10;
int maxValue = 100;
if (info is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = info as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
if (minValue < 1)
{
minValue = 1;
}
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
Random rand = new Random((int)DateTime.Now.Ticks);
string questionText = "从表格中选择符合乘法分配率条件的等式";
TableQuestion tableQuestion = ObjectCreator.CreateTableQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
for (int j = 0; j < 36; j++)
{
if (rand.Next() % 2 == 0) // Create correct Option
{
decimal valueA = rand.Next(minValue, maxValue + 1);
decimal valueB = rand.Next(minValue, maxValue + 1);
decimal valueC = rand.Next(minValue, maxValue + 1);
QuestionOption option = new QuestionOption();
option.IsCorrect = true;
option.OptionContent.Content = string.Format("({0}+{1})×{2}={0}×{2}+{1}×{2}", valueA, valueB, valueC);
optionList.Add(option);
}
else
{
decimal valueA = rand.Next(minValue, maxValue + 1);
decimal valueB = rand.Next(minValue, maxValue + 1);
decimal valueC = rand.Next(minValue, maxValue + 1);
decimal valueD = rand.Next(minValue, maxValue + 1);
QuestionOption option = new QuestionOption();
option.IsCorrect = (valueC == valueD) ? true : false;
option.OptionContent.Content = string.Format("({0}+{1})×{2}={0}×{2}+{1}×{3}", valueA, valueB, valueC, valueD);
optionList.Add(option);
}
}
return(optionList);
}
);
// tableQuestion.Solution.Content = string.Format("加数{0}与加数{1}的和是{2}，所以正确答案是{2}。", valueA, valueB, result);
section.QuestionCollection.Add(tableQuestion);
}
private void CreateTableQuestion(SectionBaseInfo sectionInfo, Section section)
{
// Table Question
Section sectionTable = ObjectCreator.CreateSection(sectionInfo.Name, sectionInfo.Description);
Random rand = new Random((int)DateTime.Now.Ticks);
int minValue = 10;
int maxValue = 100;
if (sectionInfo is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = sectionInfo as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
int valueA = rand.Next(minValue, maxValue);
string questionText = string.Format("请在下表中选出与{0}互质的数。", valueA);
TableQuestion tableQuestion = ObjectCreator.CreateTableQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
36, minValue, maxValue, true,
(c) =>
{
int sumCommonDivisor = 0;
int valueC;
if (valueA < c)
{
valueC = valueA;
}
else if (valueA > c)
{
valueC = decimal.ToInt32(c);
}
else
{
return(false);
}
for (int j2 = 1; j2 < valueC; j2++)
{
if (valueA % j2 == 0 && c % j2 == 0)
{
sumCommonDivisor++;
}
}
if (sumCommonDivisor == 1)
{
return(true);
}
return(false);
}
))
{
optionList.Add(option);
}
return(optionList);
});
tableQuestion.Tip = this.CreateTip();
section.QuestionCollection.Add(tableQuestion);
}
public static Question CreateSubQuestion(String line)
{
Question temp = new OneChoice(Constants.MathCourse, 1, Constants.OneChoiceQuestionType, String.Empty, String.Empty);
String[] properties = line.Split(Constants.SemiColon);
char course = Convert.ToChar(properties[0]);
int difficulty = Convert.ToInt32(properties[1]);
char questionType = Convert.ToChar(properties[2]);
String question = properties[3];
switch (questionType)
{
case Constants.OneChoiceQuestionType:
temp = new OneChoice(course, difficulty, questionType, question, properties[4]);
break;
case Constants.MultipleChoiceQuestionType:
String[] possibleAnswers = new String[5];
bool[] correctAnswers = new bool[5];
for (int i = 0; i <= 4; i++)
{
possibleAnswers[i] = properties[i + 4];
correctAnswers[i] = Convert.ToBoolean(properties[i + 9]);
}
temp = new MultipleChoice(course, difficulty, questionType, question, possibleAnswers, correctAnswers);
break;
case Constants.DragDropQuestionType:
String[] dragAnswers = new String[5];
String[] dropAnswers = new String[5];
for (int i = 0; i <= 4; i++)
{
dragAnswers[i] = properties[i + 4];
dropAnswers[i] = properties[i + 9];
}
temp = new DragNDrop(course, difficulty, questionType, question, dragAnswers, dropAnswers);
break;
case Constants.TableQuestionType:
temp = new TableQuestion(course, difficulty, questionType, question, Convert.ToInt32(properties[4]));
break;
}
return temp;
}
private void QuestionActivityTappedMethod(TableQuestion question)
{
NavHelper.NavToQuestionPage(question.Id, this.Frame);
SystemNavigationManager.GetForCurrentView().BackRequested -= QuestionPage_BackRequested;
}