/// <summary>
/// Updates the chart after a tick.
/// </summary>
public void UpdateChartOnTick(bool repaintChart, ChartData data)
{
chartData = data;
if (repaintChart)
SetupChartTitle();
bool updateWholeChart = repaintChart;
double oldMaxPrice = maxPrice;
double oldMinPrice = minPrice;
if (isChartAutoScroll || repaintChart)
SetFirstLastBar();
SetPriceChartMinMaxValues();
if (Math.Abs(maxPrice - oldMaxPrice) > chartData.InstrumentProperties.Point ||
Math.Abs(minPrice - oldMinPrice) > chartData.InstrumentProperties.Point)
updateWholeChart = true;
if (updateWholeChart)
{
PnlPrice.Invalidate();
}
else
{
int left = spcLeft + (chartBars - 2)*barPixels;
int width = PnlPrice.ClientSize.Width - left;
var rect = new Rectangle(left, 0, width, yBottom + 1);
PnlPrice.Invalidate(rect);
}
for (int i = 0; i < PnlInd.Length; i++)
{
var slot = (int) PnlInd[i].Tag;
oldMaxPrice = sepChartMaxValue[slot];
oldMinPrice = sepChartMinValue[slot];
SetSepChartsMinMaxValues(i);
if (Math.Abs(sepChartMaxValue[slot] - oldMaxPrice) > 0.000001 ||
Math.Abs(sepChartMinValue[slot] - oldMinPrice) > 0.000001)
updateWholeChart = true;
if (updateWholeChart)
{
PnlInd[i].Invalidate();
}
else
{
int left = spcLeft + (chartBars - 2)*barPixels;
int width = PnlInd[i].ClientSize.Width - left;
var rect = new Rectangle(left, 0, width, yBottom + 1);
PnlInd[i].Invalidate(rect);
}
}
if (isInfoPanelShown && !isCrossShown)
GenerateDynamicInfo(lastBar);
}
/// <summary>
/// Performs post initialization settings.
/// </summary>
public void InitChart(ChartData data)
{
chartData = data;
ScrollBar.Select();
}
void UpdateChartThreadSafely(bool repaintChart, ChartData chartData)
{
if (chart.InvokeRequired)
{
chart.BeginInvoke(new UpdateChartDelegate(UpdateChartThreadSafely), new object[] { repaintChart, chartData });
}
else
{
chart.UpdateChartOnTick(repaintChart, chartData);
}
}
private int yTop; // pnlPrice top coordinate
#endregion Fields
#region Constructors
// ------------------------------------------------------------
/// <summary>
/// The default constructor.
/// </summary>
public Chart(ChartData data)
{
SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.Opaque,
true);
chartData = data;
BackColor = LayoutColors.ColorFormBack;
Padding = new Padding(0);
PnlCharts = new Panel {Parent = this, Dock = DockStyle.Fill};
PnlInfo = new Panel {Parent = this, BackColor = LayoutColors.ColorControlBack, Dock = DockStyle.Right};
PnlInfo.Paint += PnlInfoPaint;
barPixels = Configs.ChartZoom;
isGridShown = Configs.ChartGrid;
isCrossShown = Configs.ChartCross;
isVolumeShown = Configs.ChartVolume;
isPositionLotsShown = Configs.ChartLots;
isOrdersShown = Configs.ChartOrders;
isPositionPriceShown = Configs.ChartPositionPrice;
isInfoPanelShown = Configs.ChartInfoPanel;
isTrueChartsShown = Configs.ChartTrueCharts;
isChartShift = Configs.ChartShift;
isChartAutoScroll = Configs.ChartAutoScroll;
dynInfoScrollValue = 0;
font = new Font(Font.FontFamily, 8);
// Dynamic info fonts
fontDi = new Font(Font.FontFamily, 9);
fontDiInd = new Font(Font.FontFamily, 10);
Graphics g = CreateGraphics();
szDate = g.MeasureString("99/99 99:99", font).ToSize();
szDateL = g.MeasureString("99/99/99 99:99", font).ToSize();
// TODO checking exact price with.
szPrice = g.MeasureString("9.99999", font).ToSize();
szSL = g.MeasureString(" SL", font).ToSize();
g.Dispose();
SetupDynInfoWidth();
SetupIndicatorPanels();
SetupButtons();
SetupDynamicInfo();
SetupChartTitle();
PnlInfo.Visible = isInfoPanelShown;
PnlCharts.Padding = isInfoPanelShown ? new Padding(0, 0, 2, 0) : new Padding(0);
PnlCharts.Resize += PnlChartsResize;
PnlPrice.Resize += PnlPriceResize;
spcTop = font.Height;
spcBottom = font.Height*8/5;
spcLeft = 0;
spcRight = szPrice.Width + szSL.Width + 2;
brushBack = new SolidBrush(LayoutColors.ColorChartBack);
brushFore = new SolidBrush(LayoutColors.ColorChartFore);
brushLabelBkgrd = new SolidBrush(LayoutColors.ColorLabelBack);
brushLabelFore = new SolidBrush(LayoutColors.ColorLabelText);
brushDynamicInfo = new SolidBrush(LayoutColors.ColorControlText);
brushDiIndicator = new SolidBrush(LayoutColors.ColorSlotIndicatorText);
brushEvenRows = new SolidBrush(LayoutColors.ColorEvenRowBack);
brushTradeLong = new SolidBrush(LayoutColors.ColorTradeLong);
brushTradeShort = new SolidBrush(LayoutColors.ColorTradeShort);
brushTradeClose = new SolidBrush(LayoutColors.ColorTradeClose);
penGrid = new Pen(LayoutColors.ColorChartGrid);
penGridSolid = new Pen(LayoutColors.ColorChartGrid);
penCross = new Pen(LayoutColors.ColorChartCross);
penVolume = new Pen(LayoutColors.ColorVolume);
penBarBorder = new Pen(LayoutColors.ColorBarBorder);
penBarThick = new Pen(LayoutColors.ColorBarBorder, 3);
penTradeLong = new Pen(LayoutColors.ColorTradeLong);
penTradeShort = new Pen(LayoutColors.ColorTradeShort);
penTradeClose = new Pen(LayoutColors.ColorTradeClose);
penGrid.DashStyle = DashStyle.Dash;
penGrid.DashPattern = new float[] {4, 2};
colorBarWhite1 = Data.ColorChanage(LayoutColors.ColorBarWhite, 30);
colorBarWhite2 = Data.ColorChanage(LayoutColors.ColorBarWhite, -30);
colorBarBlack1 = Data.ColorChanage(LayoutColors.ColorBarBlack, 30);
colorBarBlack2 = Data.ColorChanage(LayoutColors.ColorBarBlack, -30);
colorLongTrade1 = Data.ColorChanage(LayoutColors.ColorTradeLong, 30);
colorLongTrade2 = Data.ColorChanage(LayoutColors.ColorTradeLong, -30);
colorShortTrade1 = Data.ColorChanage(LayoutColors.ColorTradeShort, 30);
colorShortTrade2 = Data.ColorChanage(LayoutColors.ColorTradeShort, -30);
colorClosedTrade1 = Data.ColorChanage(LayoutColors.ColorTradeClose, 30);
colorClosedTrade2 = Data.ColorChanage(LayoutColors.ColorTradeClose, -30);
}
ChartData GetChartDataObject()
{
var chartData = new ChartData
{
InstrumentProperties = Data.InstrProperties.Clone(),
Bars = Data.Bars,
Time = new DateTime[Data.Bars],
Open = new double[Data.Bars],
High = new double[Data.Bars],
Low = new double[Data.Bars],
Close = new double[Data.Bars],
Volume = new int[Data.Bars]
};
Data.Time.CopyTo(chartData.Time, 0);
Data.Open.CopyTo(chartData.Open, 0);
Data.High.CopyTo(chartData.High, 0);
Data.Low.CopyTo(chartData.Low, 0);
Data.Close.CopyTo(chartData.Close, 0);
Data.Volume.CopyTo(chartData.Volume, 0);
chartData.StrategyName = Data.StrategyName;
chartData.Strategy = Data.Strategy.Clone();
chartData.FirstBar = Data.FirstBar;
chartData.Symbol = Data.Symbol;
chartData.PeriodStr = Data.PeriodStr;
chartData.Bid = Data.Bid;
chartData.BarStatistics = new Dictionary<DateTime, BarStats>();
foreach (KeyValuePair<DateTime, BarStats> timeStat in Data.BarStatistics)
chartData.BarStatistics.Add(timeStat.Key, timeStat.Value.Clone());
chartData.PositionDirection = Data.PositionDirection;
chartData.PositionOpenPrice = Data.PositionOpenPrice;
chartData.PositionProfit = Data.PositionProfit;
chartData.PositionStopLoss = Data.PositionStopLoss;
chartData.PositionTakeProfit = Data.PositionTakeProfit;
return chartData;
}