/// <summary>
/// 回傳畫面物件的方法。在這邊做順序判斷
/// </summary>
/// <returns>畫面物件</returns>
public FrameObject GetFrameObject(UserInfo userInfo)
{
//要這樣嗎
UserInfo = userInfo;
//若順序不合法則返回原畫面
if (!(OrderingRule.IsOrderLegit(userInfo.LastFeature, this.GetType())))
{
return(userInfo.FrameObject);
}
//其他exception的情況
try
{
var frameObject = CreateFrameObject();
//若執行成功，則記錄下這一次執行的IFeature的type
userInfo.LastFeature = this.GetType();
return(frameObject);
}
catch (Exception exception)
{
//查詢例外字典
if (ExceptionDic.ContainsKey(exception.GetType()))
{
//這裡不太對
return(ExceptionDic[exception.GetType()].Invoke(userInfo.FrameObject, userInfo));
}
else
{
//沒處理到的情況→直接死機
throw new Exception(exception.Message);
}
}
}
/// <summary>
/// 處理例外狀況後回傳畫面物件
/// </summary>
/// <param name="userInfo">用戶資訊</param>
/// <returns>畫面物件</returns>
public FrameObject GetAnswer(UserInfo userInfo)
{
if (!(OrderingRule.IsOrderLegit(userInfo.ComputeObject.LastFeature, this.GetType())))
{
return(userInfo.BoardObject.FrameObject);
}
try
{
//特殊狀況處理
if (userInfo.ComputeObject.LastFeature == typeof(Equal) && this.GetType() == typeof(Number))
{
userInfo.BoardObject.Init();
}
var frameObject = GetFrameObject(userInfo.BoardObject, Compute(userInfo.ComputeObject));
userInfo.ComputeObject.LastFeature = this.GetType();
return(frameObject);
}
catch (Exception exception)
{
//查詢例外字典
if (ExceptionDic.ContainsKey(exception.GetType()))
{
//這裡不太對
return(ExceptionDic[exception.GetType()].Invoke(userInfo.BoardObject.FrameObject, userInfo));
}
else
{
//沒處理到的情況→直接死機
throw new Exception(exception.Message);
}
}
}