//換頁按鈕觸發以及顯示頁數
public void ClickPageButton(int buttonIndex, Label pageNumberLabel, MealButtonList mealList)
{
if (buttonIndex == 0 && _currentPage > 1)
{
_currentPage--;
ControlButtonVisible(mealList);
pageNumberLabel.Text = PAGE_STRING + Convert.ToSingle(_currentPage) + SLASH + Convert.ToString(_totalPage);
}
else if (buttonIndex == 1 && _currentPage < _totalPage)
{
_currentPage++;
ControlButtonVisible(mealList);
pageNumberLabel.Text = PAGE_STRING + Convert.ToSingle(_currentPage) + SLASH + Convert.ToString(_totalPage);
}
}
//初始化meal按鈕
private void InitialMealButton()
{
_meal = new MealButtonList();
for (int mealIndex = 0; mealIndex < TOTAL_MEAL; mealIndex++)
{
_meal.AddMeal(_mealData.GetMeal(mealIndex).GetName(), _mealData.GetMeal(mealIndex).GetPrice(), _mealData.GetMeal(mealIndex).GetDescription());
}
}
//初始化點餐按鈕(判斷哪些按鈕需要顯示)
void ControlButtonVisible(MealButtonList mealList)
{
int maxButtonIndex;
int minButtonIndex;
int buttonIndex;
minButtonIndex = (_currentPage - 1) * _perPageButtonNumber;
maxButtonIndex = _currentPage * _perPageButtonNumber;
for (buttonIndex = 0; buttonIndex < _totalButtonNumber; buttonIndex++)
{
if (minButtonIndex <= buttonIndex && buttonIndex < maxButtonIndex)
{
mealList.GetMealButton(buttonIndex).Visible = true;
}
else
mealList.GetMealButton(buttonIndex).Visible = false;
}
}
//初始化點餐按鈕
public void InitialMealButton(MealButtonList mealList)
{
ControlButtonVisible(mealList);
}