private static IComparer <SaleGoodsData> GetComparerFor(bool desc, bool add, SearchOrderTypes searchOrderType)
{
IComparer <SaleGoodsData> compare;
switch (searchOrderType)
{
case SearchOrderTypes.OrderByMoney:
if (desc && !add)
{
compare = SaleGoodsMoneyCompare2.Instance;
}
else
{
compare = SaleGoodsMoneyCompare.Instance;
}
return(compare);
case SearchOrderTypes.OrderByMoneyPerItem:
if (desc && !add)
{
compare = SaleGoodsMoneyPerItemCompare.DescInstance;
}
else
{
compare = SaleGoodsMoneyPerItemCompare.AscInstance;
}
return(compare);
case (SearchOrderTypes)3:
break;
case SearchOrderTypes.OrderBySuit:
if (desc && !add)
{
compare = SaleGoodsSuitCompare.DescInstance;
}
else
{
compare = SaleGoodsSuitCompare.AscInstance;
}
return(compare);
default:
if (searchOrderType == SearchOrderTypes.OrderByNameAndColor)
{
if (desc && !add)
{
compare = SaleGoodsNameAndColorCompare.DescInstance;
}
else
{
compare = SaleGoodsNameAndColorCompare.AscInstance;
}
return(compare);
}
break;
}
compare = SaleGoodsMoneyCompare.Instance;
return(compare);
}
private static void UpdateOrderdList(List <SaleGoodsData> list, SaleGoodsData saleGoodsData, bool desc, bool add, SearchOrderTypes searchOrderType)
{
if (add)
{
if (desc)
{
list.BinaryInsertDesc(saleGoodsData, SaleManager.GetComparerFor(desc, add, searchOrderType));
}
else
{
list.BinaryInsertAsc(saleGoodsData, SaleManager.GetComparerFor(desc, add, searchOrderType));
}
}
else
{
int index = list.BinarySearch(saleGoodsData, SaleManager.GetComparerFor(desc, add, searchOrderType));
if (index < 0)
{
for (int i = 0; i < list.Count; i++)
{
if (list[i].GoodsDbID == saleGoodsData.GoodsDbID)
{
list.RemoveAt(i);
break;
}
}
}
else
{
for (int i = index; i >= 0; i--)
{
if (list[i].GoodsDbID == saleGoodsData.GoodsDbID)
{
list.RemoveAt(i);
return;
}
}
for (int i = index + 1; i < list.Count; i++)
{
if (list[i].GoodsDbID == saleGoodsData.GoodsDbID)
{
list.RemoveAt(i);
break;
}
}
}
}
}
/// <summary>
/// 按排序类型等条件从列表中添加或删除元素
/// </summary>
/// <param name="list"></param>
/// <param name="saleGoodsData"></param>
/// <param name="desc"></param>
/// <param name="add"></param>
private static void UpdateOrderdList(List <SaleGoodsData> list, SaleGoodsData saleGoodsData, bool desc, bool add, SearchOrderTypes searchOrderType)
{
if (add)
{
if (desc)
{
list.BinaryInsertDesc(saleGoodsData, GetComparerFor(desc, add, searchOrderType));
}
else
{
list.BinaryInsertAsc(saleGoodsData, GetComparerFor(desc, add, searchOrderType));
}
}
else
{
#if false
list.Remove(saleGoodsData);
#else
int index = list.BinarySearch(saleGoodsData, GetComparerFor(desc, add, searchOrderType));
if (index < 0)
{
//二分查找失败,可能是物品属性变化或不可比较,只能遍历了
for (int i = 0; i < list.Count; i++)
{
if (list[i].GoodsDbID == saleGoodsData.GoodsDbID)
{
list.RemoveAt(i);
return;
}
}
}
else
{
for (int i = index; i >= 0; i--)
{
if (list[i].GoodsDbID == saleGoodsData.GoodsDbID)
{
list.RemoveAt(i);
return;
}
}
for (int i = index + 1; i < list.Count; i++)
{
if (list[i].GoodsDbID == saleGoodsData.GoodsDbID)
{
list.RemoveAt(i);
return;
}
}
}
#endif
}
}
