/// <summary>
/// 依計畫內容回傳畫面更新
/// </summary>
/// <param name="computeObject">計算物件</param>
/// <returns>畫面更新</returns>
public override FrameUpdate Compute(ComputeObject computeObject)
{
FrameUpdate frameUpdate;
//等號後輸入數字
if (computeObject.LastFeature == typeof(Equal))
{
//特殊情況，boardObject已在父類清空
computeObject.Init();
frameUpdate = GetUpdateDefault(computeObject);
frameUpdate.RemoveLength = FrameUpdate.REMOVE_ALL;
return(frameUpdate);
}
//backspace或clearerror之後的數字處理
if ((computeObject.LastFeature == typeof(BackSpace) || computeObject.LastFeature == typeof(ClearError)) && computeObject.NumberField.Number == 0)
{
frameUpdate = GetUpdateDefault(computeObject);
frameUpdate.RemoveLength += 1;
return(frameUpdate);
}
frameUpdate = GetUpdateDefault(computeObject);
return(frameUpdate);
}
/// <summary>
/// 依計畫內容回傳畫面更新
/// </summary>
/// <param name="computeObject">計算物件</param>
/// <returns>畫面更新</returns>
public override FrameUpdate Compute(ComputeObject computeObject)
{
computeObject.Init();
return(new FrameUpdate(FrameUpdate.REMOVE_ALL, string.Empty));
}