public static String ToXDesc(ChartXUnit xUnit, int startDate, int endDate)
{
if (xUnit == ChartXUnit.CXU_Year)
{
return(String.Format("{0}", Utils.Year(startDate)));
}
else
{
return(String.Format("{0}-{1}", startDate.ToString().Substring(2), endDate.ToString().Substring(2)));
}
}
public static int ToDayCount(ChartXUnit xUnit)
{
switch (xUnit)
{
case ChartXUnit.CXU_Day:
return(1);
case ChartXUnit.CXU_Week:
return(5);
case ChartXUnit.CXU_Month:
return(22);
case ChartXUnit.CXU_Year:
return(245);
default:
throw new ArgumentException("Unknow xUnit!");
}
}
public static String ToUnitName(ChartXUnit xUnit)
{
switch (xUnit)
{
case ChartXUnit.CXU_Day:
return("Day");
case ChartXUnit.CXU_Week:
return("Week");
case ChartXUnit.CXU_Month:
return("Month");
case ChartXUnit.CXU_Year:
return("Year");
default:
throw new ArgumentException("Unknown ChartXUnit!");
}
}
public void selItemsHistoryDataToChart(Chart chart, List <SelectItem> selItems, List <DateRange> dateRangeList, RunMode runMode, out ChartXUnit xUnit)
{
List <HistoryData> dataList = new List <HistoryData>();
List <DateSelectItem> items = RegressResult.ToDaySelectItemList(selItems, dateRangeList);
xUnit = SUtils.DetermineXUnit(items.Count);
if (items.Count == 0)
{
return;
}
if (xUnit == ChartXUnit.CXU_Year)
{
items.Reverse();
int startDate = items[0].date_;
int endDate = items[items.Count - 1].date_;
int startYear = Utils.Year(startDate);
int endYear = Utils.Year(endDate);
int iSearchStartHint = 0;
for (int iYear = startYear; iYear <= endYear; iYear++)
{
int iStartIndex = -1;
int nDaySpan = 0;
for (int i = iSearchStartHint; i < items.Count; i++)
{
if (iStartIndex == -1 && Utils.Year(items[i].date_) == iYear)
{
iStartIndex = i;
}
if (iStartIndex != -1)
{
if (Utils.Year(items[i].date_) == iYear)
{
nDaySpan++;
}
else
{
break;
}
}
}
iSearchStartHint = iStartIndex + nDaySpan;
HistoryData data = StrategyAsset.GetHistoryData(items, iStartIndex, nDaySpan, runMode);
dataList.Add(data);
}
}
else
{
int nDaySpan = SUtils.ToDayCount(xUnit);
int iStartIndex = 0;
do
{
if (iStartIndex + nDaySpan - 1 > items.Count)
{
break;
}
HistoryData data = StrategyAsset.GetHistoryData(items, iStartIndex, nDaySpan, runMode);
dataList.Add(data);
iStartIndex += nDaySpan;
} while (iStartIndex < items.Count);
dataList.Reverse();
}
List <String> xDescList = new List <string>();
foreach (var item in dataList)
{
xDescList.Add(SUtils.ToXDesc(xUnit, item.startDate_, item.endDate_));
}
SUtils.FillHistoryDataToChart(chart, dataList, xDescList);
re_.reHistory_ = StrategyAsset.GetHistoryData(items, 0, items.Count, re_.runMode_);
}