/// <summary>
/// 比較多少的文字表述部分內容
/// </summary>
/// <param name="formula">當前算式</param>
/// <returns>文字表述部分內容</returns>
private string CreateMathWordProblem(HowMuchMoreFormula formula)
{
StringBuilder content = new StringBuilder();
if (formula.ChooseMore)
{
content.AppendFormat("{0}比{1}多{2}個", "Left", "Right", formula.DefaultFormula.Answer);
}
else
{
content.AppendFormat("{0}比{1}少{2}個", "Right", "Left", formula.DefaultFormula.Answer);
}
return(content.ToString());
}
/// <summary>
/// 已知項目的個數并表示
/// </summary>
/// <param name="item">比多少算式</param>
/// <returns>HTML</returns>
private string SetDisplayItem(HowMuchMoreFormula item)
{
StringBuilder html = new StringBuilder();
// 顯示個數
var displayItemCount = item.DisplayLeft ? item.DefaultFormula.LeftParameter : item.DefaultFormula.RightParameter;
// 顯示項目（圖片顯示）
var displayItem = item.DisplayLeft ? _moreTypeArray[0] : _moreTypeArray[1];
for (var index = 0; index < displayItemCount; index++)
{
// HTML作成
html.AppendLine(string.Format("<img src=\"../Content/image/more/{0}.png\" width=\"30\" height=\"30\" />", displayItem.ToString()));
}
return(html.ToString());
}
/// <summary>
/// 算式作成
/// </summary>
/// <param name="p">題型參數</param>
public override void MarkFormulaList(HowMuchMoreParameter p)
{
// 指定單個運算符實例（此題只能用減法運算符）
IArithmetic strategy = CalculateManager(SignOfOperation.Subtraction);
// 按照指定數量作成相應的數學計算式
for (var i = 0; i < p.NumberOfQuestions; i++)
{
// 計算式作成
Formula formula = strategy.CreateFormula(new ArithmeticParameter()
{
// 10以內計算
MaximumLimit = (p.MaximumLimit > 10) ? 10 : p.MaximumLimit,
QuestionType = QuestionType.Default,
MinimumLimit = 0
});
if (CheckIsNeedInverseMethod(p.Formulas, formula))
{
i--;
continue;
}
// 運算式作成
HowMuchMoreFormula howMuchMoreFormula = new HowMuchMoreFormula()
{
DefaultFormula = formula,
// 選擇左邊作為題目的條件還是右邊（隨機獲取）
DisplayLeft = CommonUtil.GetRandomNumber(LeftOrRight.Left, LeftOrRight.Right) == LeftOrRight.Left,
// 題型選擇：是表示多的題還是少的題（隨機獲取）
ChooseMore = CommonUtil.GetRandomNumber(MoreOrLess.More, MoreOrLess.Less) == MoreOrLess.More
};
// 文字表述部分內容作成
howMuchMoreFormula.MathWordProblem = CreateMathWordProblem(howMuchMoreFormula);
// 答案值（如果顯示的是左邊值，那麼答案就是右邊的值）
howMuchMoreFormula.Answer = ((howMuchMoreFormula.DisplayLeft) ? howMuchMoreFormula.DefaultFormula.RightParameter : howMuchMoreFormula.DefaultFormula.LeftParameter);
// 計算式作成
p.Formulas.Add(howMuchMoreFormula);
}
// 智能提示作成
VirtualHelperBase <HowMuchMoreFormula> helper = new HowMuchMoreDialogue();
p.BrainpowerHint = helper.CreateHelperDialogue(p.Formulas);
}
/// <summary>
/// 填空項目顯示
/// </summary>
/// <param name="item">比多少算式</param>
/// <param name="controlIndex">題目編號</param>
/// <returns>HTML</returns>
private string SetDisplayGapFillingItem(HowMuchMoreFormula item, int controlIndex)
{
StringBuilder html = new StringBuilder();
// 填空項目個數（最多10個）
var displayItemCount = 10;
for (var index = 0; index < displayItemCount; index++)
{
// HTML作成
html.AppendLine(string.Format("<img src=\"../Content/image/help.png\" id=\"imgHmmHelp{0}{1}\" width=\"30\" height=\"30\" title=\"help\" />", controlIndex, index));
}
// 填空題中可以選擇的圖片集合
_gapFillingItems.AppendFormat("{0},", item.DisplayLeft ? _moreTypeArray[1].ToString() : _moreTypeArray[0].ToString());
return(html.ToString());
}
/// <summary>
///
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
private string GetProblemHtml(HowMuchMoreFormula item)
{
StringBuilder html = new StringBuilder();
// 如果條件顯示是“多”
if (item.ChooseMore)
{
html.AppendLine(string.Format("<img src=\"../Content/image/more/{0}.png\" width=\"30\" height=\"30\" />", _moreTypeArray[0].ToString()));
html.AppendLine("<span>比</span>");
html.AppendLine(string.Format("<img src=\"../Content/image/more/{0}.png\" width=\"30\" height=\"30\" />", _moreTypeArray[1].ToString()));
html.AppendLine(string.Format(SPAN_MORE_LITTLE_HTML_FORMAT, Consts.MORE_UNIT));
}
else
{
html.AppendLine(string.Format("<img src=\"../Content/image/more/{0}.png\" width=\"30\" height=\"30\" />", _moreTypeArray[1].ToString()));
html.AppendLine("<span>比</span>");
html.AppendLine(string.Format("<img src=\"../Content/image/more/{0}.png\" width=\"30\" height=\"30\" />", _moreTypeArray[0].ToString()));
html.AppendLine(string.Format(SPAN_MORE_LITTLE_HTML_FORMAT, Consts.LITTLE_UNIT));
}
html.AppendLine(string.Format("<span>{0}{1}</span>", item.DefaultFormula.Answer, Consts.ENTRY_UNIT));
return(html.ToString());
}
