/// <summary>
/// Chart tab page is shown.
/// </summary>
protected override void OnShown(EventArgs e)
{
base.OnShown(e);
if (chart != null)
{
Chart_Data chartData = GetChartDataObject();
chart.InitChart(chartData);
}
}
void UpdateChartThreadSafely(bool repaintChart, Chart_Data chartData)
{
if (chart.InvokeRequired)
{
chart.BeginInvoke(new UpdateChartDelegate(UpdateChartThreadSafely), new object[] { repaintChart, chartData });
}
else
{
chart.UpdateChartOnTick(repaintChart, chartData);
}
}
/// <summary>
/// Creates a new chart.
/// </summary>
void CreateChart()
{
if (tabControlBase.SelectedTab == tabPageChart)
{
Chart_Data chartData = GetChartDataObject();
chart = new Chart(chartData);
chart.Parent = tabPageChart;
chart.Dock = DockStyle.Fill;
chart.InitChart(chartData);
}
return;
}
/// <summary>
/// Updates the chart.
/// </summary>
protected void UpdateChart()
{
if (chart == null)
{
return;
}
bool repaintChart = (
chartSymbol != Data.Symbol ||
chartPeriod != Data.Period ||
chartBars != Data.Bars ||
chartTime != Data.Time[Data.Bars - 1] ||
chartTime10 != Data.Time[Data.Bars - 11]);
chartSymbol = Data.Symbol;
chartPeriod = Data.Period;
chartBars = Data.Bars;
chartTime = Data.Time[Data.Bars - 1];
chartTime10 = Data.Time[Data.Bars - 11];
// Prepares chart data.
Chart_Data chartData = GetChartDataObject();
try
{
UpdateChartThreadSafely(repaintChart, chartData);
}
catch (ObjectDisposedException)
{
return;
}
catch (Exception exc)
{
MessageBox.Show(exc.Message, Language.T("Indicator Chart"), MessageBoxButtons.OK, MessageBoxIcon.Error);
DisposeChart();
CreateChart();
}
return;
}
Chart_Data GetChartDataObject()
{
Chart_Data chartData = new Chart_Data();
chartData.InstrumentProperties = Data.InstrProperties.Clone();
chartData.Bars = Data.Bars;
chartData.Time = new DateTime[Data.Bars];
chartData.Open = new double[Data.Bars];
chartData.High = new double[Data.Bars];
chartData.Low = new double[Data.Bars];
chartData.Close = new double[Data.Bars];
chartData.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);
}
void UpdateChartThreadSafely(bool repaintChart, Chart_Data chartData)
{
if (chart.InvokeRequired)
{
chart.BeginInvoke(new UpdateChartDelegate(UpdateChartThreadSafely), new object[] { repaintChart, chartData });
}
else
{
chart.UpdateChartOnTick(repaintChart, chartData);
}
}
Chart_Data GetChartDataObject()
{
Chart_Data chartData = new Chart_Data();
chartData.InstrumentProperties = Data.InstrProperties.Clone();
chartData.Bars = Data.Bars;
chartData.Time = new DateTime[Data.Bars];
chartData.Open = new double[Data.Bars];
chartData.High = new double[Data.Bars];
chartData.Low = new double[Data.Bars];
chartData.Close = new double[Data.Bars];
chartData.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;
}
/// <summary>
/// Updates the chart after a tick.
/// </summary>
public void UpdateChartOnTick(bool repaintChart, Chart_Data chartData)
{
this.chartData = chartData;
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;
Rectangle rect = new Rectangle(left, 0, width, YBottom + 1);
pnlPrice.Invalidate(rect);
}
for (int i = 0; i < pnlInd.Length; i++)
{
int 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;
Rectangle rect = new Rectangle(left, 0, width, YBottom + 1);
pnlInd[i].Invalidate(rect);
}
}
if (isInfoPanelShown && !isCrossShown)
GenerateDynamicInfo(lastBar);
return;
}
/// <summary>
/// Performs post initialization settings.
/// </summary>
public void InitChart(Chart_Data chartData)
{
this.chartData = chartData;
scroll.Select();
return;
}
int YTop; // pnlPrice top coordinate
#endregion Fields
#region Constructors
// ------------------------------------------------------------
/// <summary>
/// The default constructor.
/// </summary>
public Chart(Chart_Data chartData)
{
this.chartData = chartData;
BackColor = LayoutColors.ColorFormBack;
Padding = new Padding(0);
pnlCharts = new Panel();
pnlCharts.Parent = this;
pnlCharts.Dock = DockStyle.Fill;
pnlInfo = new Panel();
pnlInfo.Parent = this;
pnlInfo.BackColor = LayoutColors.ColorControlBack;
pnlInfo.Dock = DockStyle.Right;
pnlInfo.Paint += new PaintEventHandler(PnlInfo_Paint);
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 += new EventHandler(PnlCharts_Resize);
pnlPrice.Resize += new EventHandler(PnlPrice_Resize);
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);
brushBarWhite = new SolidBrush(LayoutColors.ColorBarWhite);
brushBarBlack = new SolidBrush(LayoutColors.ColorBarBlack);
brushSignalRed = new SolidBrush(LayoutColors.ColorSignalRed);
penGrid = new Pen(LayoutColors.ColorChartGrid);
penGridSolid = new Pen(LayoutColors.ColorChartGrid);
penAxes = new Pen(LayoutColors.ColorChartFore);
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);
return;
}