/// <summary>
/// 创建指标
/// </summary>
/// <param name="text">脚本</param>
/// <param name="parameters">参数</param>
/// <returns>指标ID</returns>
public static int CreateIndicatorExtern(String text, String parameters)
{
try
{
if (m_native == null)
{
m_native = NativeHandler.CreateNative();
}
if (m_chart == null)
{
m_chart = new ChartAEx();
m_chart.Native = m_native;
}
m_serialNumber++;
CTable dataSource = m_chart.Native.CreateTable();
dataSource.AddColumn(KeyFields.CLOSE_INDEX);
dataSource.AddColumn(KeyFields.HIGH_INDEX);
dataSource.AddColumn(KeyFields.LOW_INDEX);
dataSource.AddColumn(KeyFields.OPEN_INDEX);
dataSource.AddColumn(KeyFields.VOL_INDEX);
dataSource.AddColumn(KeyFields.AMOUNT_INDEX);
CIndicator indicator = SecurityDataHelper.CreateIndicator(m_chart, dataSource, text, parameters);
m_indicators[m_serialNumber] = indicator;
indicator.OnCalculate(0);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + "\r\n" + ex.StackTrace);
}
return(m_serialNumber);
}
public static void BindHistoryVolAndAmountDatas(ChartAEx chart, CTable dataSource, int[] fields, List <SecurityData> historyDatas)
{
dataSource.Clear();
int size = (int)historyDatas.Count;;
dataSource.SetRowsCapacity(size + 10);
dataSource.SetRowsGrowStep(100);
int columnsCount = dataSource.ColumnsCount;
for (int i = 0; i < size; i++)
{
SecurityData securityData = historyDatas[i];
double[] ary = new double[columnsCount];
ary[0] = securityData.m_volume;
ary[1] = securityData.m_amount;
dataSource.AddRow((double)securityData.m_date, ary, columnsCount);
}
}
public static void InsertLatestData(ChartAEx chart, CTable dataSource, List <CIndicator> indicators, int [] fields, double preClose, int lastIndex)
{
for (int i = 0; i < lastIndex; i++)
{
double close = dataSource.Get2(i, fields[KeyFields.CLOSE_INDEX]);
if (double.IsNaN(close))
{
dataSource.Set2(i, fields[KeyFields.CLOSE_INDEX], preClose);
dataSource.Set2(i, fields[KeyFields.OPEN_INDEX], preClose);
dataSource.Set2(i, fields[KeyFields.HIGH_INDEX], preClose);
dataSource.Set2(i, fields[KeyFields.LOW_INDEX], preClose);
dataSource.Set2(i, fields[KeyFields.VOL_INDEX], 0);
dataSource.Set2(i, fields[KeyFields.AMOUNT_INDEX], 0);
dataSource.Set2(i, fields[KeyFields.AVGPRICE_INDEX], preClose);
}
else
{
preClose = close;
}
}
}
public static void BindHistoryDatas(ChartAEx chart, CTable dataSource, List <CIndicator> indicators, int[] fields, List <SecurityData> historyDatas)
{
dataSource.Clear();
int sizeData = (int)historyDatas.Count;
if (sizeData > 0)
{
dataSource.SetRowsCapacity(sizeData + 10);
dataSource.SetRowsGrowStep(100);
int columnsCount = dataSource.ColumnsCount;
for (int i = 0; i < sizeData; i++)
{
SecurityData securityData = historyDatas[i];
if (dataSource == chart.DataSource)
{
if (securityData.m_close > 0)
{
InsertData(chart, dataSource, fields, securityData);
}
}
else
{
double[] ary = new double[columnsCount];
ary[0] = securityData.m_close;
ary[1] = securityData.m_high;
ary[2] = securityData.m_low;
ary[3] = securityData.m_open;
ary[4] = securityData.m_volume;
ary[5] = securityData.m_amount;
ary[6] = securityData.m_avgPrice;
dataSource.AddRow((double)securityData.m_date, ary, columnsCount);
}
}
int indicatorsSize = (int)indicators.Count;
for (int i = 0; i < indicatorsSize; i++)
{
indicators[i].OnCalculate(0);
}
}
}
