/// <summary>
/// ClearError事件
/// </summary>
/// <returns>ClearError響應</returns>
public ExpUpdate ClearError()
{
Feature CurrentFeature = Feature.CLEAR_ERROR;
return(ThrowOrderException <ExpUpdate>(CurrentFeature, () =>
{
ExpUpdate expUpdate = NumberMachine.ClearError();
//執行成功時記錄下這次的Cast
PreviousFeature = Feature.CLEAR_ERROR;
return expUpdate;
}));
}
/// <summary>
/// 返回事件
/// </summary>
/// <returns>返回響應</returns>
public ExpUpdate BackSpace()
{
Feature CurrentFeature = Feature.BACKSPACE;
return(ThrowOrderException <ExpUpdate>(CurrentFeature, () =>
{
ExpUpdate expUpdate = NumberMachine.BackSpace();
//執行成功時記錄下這次的Cast
PreviousFeature = Feature.BACKSPACE;
return expUpdate;
}));
}
/// <summary>
/// Feature:BackSpace。輸入返回鍵
/// </summary>
/// <returns>FrameObject</returns>
public FrameObject BackSpace()
{
return(CatchException(() =>
{
ExpUpdate expUpdate = OrderingChecker.BackSpace();
//完整運算式的刷新
CompleteExpression = expUpdate.Refresh(CompleteExpression);
//panel, subpanel設定。
FrameObject.SubPanel = CompleteExpression;
FrameObject.Panel = expUpdate.Refresh(FrameObject.Panel);
return FrameObject;
}));
}
/// <summary>
/// Feature:LeftBracket。輸入左括號
/// </summary>
/// <returns>FrameObject</returns>
public FrameObject LeftBracket()
{
return(CatchException(() =>
{
ExpUpdate expUpdate = OrderingChecker.LeftBracket();
//完整運算式的刷新
CompleteExpression = expUpdate.Refresh(CompleteExpression);
//panel, subpanel設定。subpanel強制給0
FrameObject.SubPanel = CompleteExpression;
FrameObject.Panel = "0";
return FrameObject;
}));
}
/// <summary>
/// 左括號事件
/// </summary>
/// <returns>ExpUpdate</returns>
public ExpUpdate LeftBracket()
{
Feature CurrentFeature = Feature.LEFT_BRACKET;
return(ThrowOrderException <ExpUpdate>(CurrentFeature, () =>
{
ExpUpdate expUpdate = NumberMachine.LeftBracket();
if (PreviousFeature == Feature.EQUAL)
{
expUpdate.RemoveLength = ExpUpdate.REMOVE_ALL;
}
//執行成功時記錄下這次的Cast
PreviousFeature = Feature.LEFT_BRACKET;
return expUpdate;
}));
}
