//Main code for creating chart.
//Note: the argument img is unused because this demo only has 1 chart.
public void createChart(WinChartViewer WebChartViewer1, string img, int stockId, int timeFrameId, DateTime fromDt, DateTime toDt, int ballSize, int chartWidth, int chartHeighth, int priceType)
{
var stock = (from s in dataContext.stocks
where s.id == stockId
select s).FirstOrDefault();
if (stock == null)
{
errMsg(WebChartViewer1, "Инструмент не найден");
return;
}
var quotes = (from q in dataContext.volquotes
where q.stock == stockId &&
q.timeframe == timeFrameId &&
q.datetime >= fromDt &&
q.datetime <= toDt.AddDays(1)
orderby q.datetime ascending
select q);
VolQuotesLst = quotes.ToList();
if (quotes == null || quotes.Count() == 0)
{
errMsg(WebChartViewer1, "Данные отсутствуют");
return;
}
var ValueAtRisk_dt = from ml in dataContext.valueatrisk
where ml.stock == stockId &&
ml.timeframe == timeFrameId &&
ml.datetime >= fromDt &&
ml.datetime <= toDt.AddDays(1)
select ml;
ValueAtRiskLst = ValueAtRisk_dt.ToList();
var timeFrame = (from t in dataContext.timeframes
where t.id == timeFrameId
select t).FirstOrDefault();
if (timeFrame == null)
{
errMsg(WebChartViewer1, "Тайм фрейм отсутствуют");
return;
}
string tickerKey = stock.ticker.Trim();
// The data series we want to get.
if (!getData(fromDt, toDt))
{
errMsg(WebChartViewer1, "Инструмент не найден");
return;
}
//-------------
// Create the chart object using the selected size
FinanceChart m = new FinanceChart(chartWidth);
string[] monthNames = { "Янв", "Фев", "Мар", "Апр", "Май", "Июн", "Июл", "Авг", "Сен", "Окт", "Ноя", "Дек" };
m.setMonthNames(monthNames);
m.setDateLabelFormat("{value|yyyy}",
"<*font=bold*>{value|mmm yy}",
"{value|mm/yy}",
"<*font=bold*>{value|d mmm}",
"{value|d}",
"<*font=bold*>{value|d mmm<*br*>h:nna}",
"{value|h:nna}");
// Set the data into the chart object
m.setData(timeStamps, highData, lowData, openData, closeData, VolumeData,
0);
//
// We configure the title of the chart. In this demo chart design, we put the
// company name as the top line of the title with left alignment.
//
m.addPlotAreaTitle(Chart.TopLeft, tickerKey);
m.addPlotAreaTitle(Chart.BottomLeft, "<*font=Arial,size=8*>" + m.formatValue(
fromDt, "dd MMM, yyyy") + " - " + m.formatValue(
toDt, "dd MMM, yyyy"));
// A copyright message at the bottom left corner the title area
m.addPlotAreaTitle(Chart.BottomRight,
" ");
//--
int mainHeight = 450;
int indicatorHeight = 110;
//
// Add the main chart
//
XYChart MainChart = m.addMainChart(mainHeight);
m.addBarIndicator(indicatorHeight * 2, ValueAtRisk_Data, 0x0066ff, "Value-At-Risk");
//---------------------
m.addCandleStick(0x33ff33, 0xff3333);
m.addVolBars(indicatorHeight, 0x99ff99, 0xff9999, 0xc0c0c0);
// Output the chart
WebChartViewer1.Image = m.makeImage();
}
