/// <summary>
/// 创建数据源
/// </summary>
/// <param name="chart">股票控件</param>
/// <returns>数据源</returns>
public static FCDataTable createDataSource(FCChart chart)
{
FCDataTable dataSource = new FCDataTable();
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);
return(dataSource);
}
/// <summary>
/// 添加指标
/// </summary>
/// <param name="chart">股票控件</param>
/// <param name="dataSource">数据源</param>
/// <param name="text">文本</param>
/// <param name="parameters">参数</param>
public static FCScript createIndicator(FCChart chart, FCDataTable dataSource, String text, String parameters)
{
FCScript indicator = new FCScript();
indicator.DataSource = dataSource;
indicator.Name = "";
//indicator.FullName = "";
if (dataSource != null)
{
indicator.setSourceField(KeyFields.CLOSE, KeyFields.CLOSE_INDEX);
indicator.setSourceField(KeyFields.HIGH, KeyFields.HIGH_INDEX);
indicator.setSourceField(KeyFields.LOW, KeyFields.LOW_INDEX);
indicator.setSourceField(KeyFields.OPEN, KeyFields.OPEN_INDEX);
indicator.setSourceField(KeyFields.VOL, KeyFields.VOL_INDEX);
indicator.setSourceField(KeyFields.AMOUNT, KeyFields.AMOUNT_INDEX);
indicator.setSourceField(KeyFields.CLOSE.Substring(0, 1), KeyFields.CLOSE_INDEX);
indicator.setSourceField(KeyFields.HIGH.Substring(0, 1), KeyFields.HIGH_INDEX);
indicator.setSourceField(KeyFields.LOW.Substring(0, 1), KeyFields.LOW_INDEX);
indicator.setSourceField(KeyFields.OPEN.Substring(0, 1), KeyFields.OPEN_INDEX);
indicator.setSourceField(KeyFields.VOL.Substring(0, 1), KeyFields.VOL_INDEX);
indicator.setSourceField(KeyFields.AMOUNT.Substring(0, 1), KeyFields.AMOUNT_INDEX);
}
IndicatorData indicatorData = new IndicatorData();
indicatorData.m_parameters = parameters;
indicatorData.m_script = text;
indicator.Tag = indicatorData;
String constValue = "";
if (parameters != null && parameters.Length > 0)
{
String[] strs = parameters.Split(new String[] { ";" }, StringSplitOptions.RemoveEmptyEntries);
int strsSize = strs.Length;
for (int i = 0; i < strsSize; i++)
{
String str = strs[i];
String[] strs2 = str.Split(new String[] { "," }, StringSplitOptions.RemoveEmptyEntries);
constValue += "const " + strs2[0] + ":" + strs2[3] + ";";
}
}
if (text != null && text.Length > 0)
{
indicator.Script = constValue + text;
}
return(indicator);
}
/// <summary>
/// 插入最新数据
/// </summary>
/// <param name="chart">股票控件</param>
/// <param name="dataSource">数据源</param>
/// <param name="indicators">指标</param>
/// <param name="fields">字段</param>
/// <param name="historyDatas">最近的历史数据</param>
/// <param name="latestData">实时数据</param>
/// <returns>索引</returns>
public static int insertLatestData(FCChart chart, FCDataTable dataSource, List <FCScript> indicators, int[] fields, SecurityData latestData)
{
if (latestData.m_close > 0 && latestData.m_volume > 0)
{
int indicatorsSize = indicators.Count;
int index = insertData(chart, dataSource, fields, latestData);
for (int i = 0; i < indicatorsSize; i++)
{
indicators[i].onCalculate(index);
}
return(index);
}
else
{
return(-1);
}
}
/// <summary>
/// 插入数据
/// </summary>
/// <param name="chart">证券控件</param>
/// <param name="dataSource">数据源</param>
/// <param name="fields">字段</param>
/// <param name="securityData">证券数据</param>
/// <returns>索引</returns>
public static int insertData(FCChart chart, FCDataTable dataSource, int[] fields, SecurityData securityData)
{
double close = securityData.m_close, high = securityData.m_high, low = securityData.m_low, open = securityData.m_open, avgPrice = securityData.m_avgPrice, volume = securityData.m_volume, amount = securityData.m_amount;
if (volume > 0 || close > 0)
{
if (high == 0)
{
high = close;
}
if (low == 0)
{
low = close;
}
if (open == 0)
{
open = close;
}
if (avgPrice == 0)
{
avgPrice = double.NaN;
}
}
else
{
close = double.NaN;
high = double.NaN;
low = double.NaN;
open = double.NaN;
volume = double.NaN;
amount = double.NaN;
avgPrice = double.NaN;
}
double date = securityData.m_date;
dataSource.set(date, fields[4], volume);
int index = dataSource.getRowIndex(date);
dataSource.set2(index, fields[0], close);
dataSource.set2(index, fields[1], high);
dataSource.set2(index, fields[2], low);
dataSource.set2(index, fields[3], open);
dataSource.set2(index, fields[5], volume);
dataSource.set2(index, fields[6], avgPrice);
return(index);
}
/// <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, StringBuilder fields)
{
try {
if (m_native == null)
{
m_native = new FCNative();
}
if (m_chart == null)
{
m_chart = new FCChart();
m_chart.Native = m_native;
}
m_serialNumber++;
FCDataTable dataSource = new FCDataTable();
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);
FCScript indicator = SecurityDataHelper.createIndicator(m_chart, dataSource, text, parameters);
m_indicators[m_serialNumber] = indicator;
indicator.onCalculate(0);
int pos = 0;
int variablesSize = indicator.MainVariables.Count;
foreach (String field in indicator.MainVariables.Keys)
{
fields.Append(field);
if (pos != variablesSize - 1)
{
fields.Append(",");
}
pos++;
}
} catch (Exception ex) {
Console.WriteLine(ex.Message + "\r\n" + ex.StackTrace);
}
return(m_serialNumber);
}
/// <summary>
/// 绑定历史数据
/// </summary>
/// <param name="chart">股票控件</param>
/// <param name="dataSource">数据源</param>
/// <param name="indicators">指标</param>
/// <param name="fields">字段</param>
/// <param name="historyDatas">历史数据</param>
public static void bindHistoryDatas(FCChart chart, FCDataTable dataSource, List <FCScript> indicators, int[] fields, List <SecurityData> historyDatas)
{
dataSource.clear();
int size = historyDatas.Count;
dataSource.setRowsCapacity(size + 10);
dataSource.setRowsGrowStep(100);
int columnsCount = dataSource.ColumnsCount;
for (int i = 0; i < size; i++)
{
SecurityData securityData = historyDatas[i];
if (dataSource == chart.DataSource)
{
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;
for (int j = 5; j < columnsCount; j++)
{
ary[j] = double.NaN;
}
dataSource.AddRow(securityData.m_date, ary, columnsCount);
}
}
int indicatorsSize = indicators.Count;
for (int i = 0; i < indicatorsSize; i++)
{
indicators[i].onCalculate(0);
}
}
/// <summary>
/// 创建图形控件属性
/// </summary>
/// <param name="node">节点</param>
/// <param name="chart">图形控件</param>
protected virtual void createChartSubProperty(XmlNode node, FCChart chart)
{
foreach (XmlNode node2 in node.ChildNodes)
{
String nodeName2 = node2.Name.ToLower();
if (nodeName2 == "div")
{
ChartDiv div = chart.addDiv();
setAttributesBefore(node2, div);
foreach (XmlNode node3 in node2.ChildNodes)
{
String nodeName3 = node3.Name.ToLower();
if (nodeName3 == "titlebar")
{
ChartTitleBar titleBar = div.TitleBar;
setAttributesBefore(node3, titleBar);
setAttributesAfter(node3, titleBar);
}
}
setAttributesAfter(node2, div);
}
}
}
