public int DrawArrow(ArrowDirection direction, Color color, float size, int bar, double price)
{
ChartArrow chartArrow = CreateArrow(direction, color, size, bar, price);
objectId++;
graphObjs.Add(objectId, chartArrow);
return(objectId);
}
/// <summary>
/// Draws a trade and annotateg with hover message if possible.
/// </summary>
/// <param name="order"></param>
/// <param name="fillPrice"></param>
/// <param name="resultingPosition"></param>
/// <returns></returns>
public int DrawTrade(LogicalOrder order, double fillPrice, double resultingPosition)
{
Color color = Color.Empty;
ArrowDirection direction = ArrowDirection.Up;
switch (order.Type)
{
case OrderType.BuyLimit:
case OrderType.BuyStop:
case OrderType.BuyMarket:
color = Color.Green;
direction = ArrowDirection.Up;
break;
case OrderType.SellLimit:
case OrderType.SellStop:
case OrderType.SellMarket:
color = Color.Red;
direction = ArrowDirection.Down;
break;
default:
throw new ApplicationException("Unknown OrderType " + order.Type + " for drawing a trade.");
}
if (order.TradeDirection == TradeDirection.Exit ||
order.TradeDirection == TradeDirection.ExitStrategy)
{
color = Color.Black;
}
// One ticket open on tickzoom is to draw arrows to scale based
// on the price range of the chart. This numbers for size and position
// were hard code, calibrated to Forex prices.
ChartArrow chartArrow = CreateArrow(direction, color, 12.5f, ChartBars.BarCount, fillPrice);
var sb = new StringBuilder();
if (order.Tag != null)
{
sb.AppendLine(order.Tag.ToString());
}
sb.Append(order.TradeDirection);
sb.Append(" ");
sb.AppendLine(order.Type.ToString());
if (order.Price > 0)
{
sb.Append("at ");
sb.AppendLine(order.Price.ToString());
}
sb.Append("size ");
sb.AppendLine(order.Position.ToString());
sb.Append("filled ");
sb.AppendLine(fillPrice.ToString());
sb.Append("new positions ");
sb.AppendLine(resultingPosition.ToString());
chartArrow.Tag = sb.ToString();
objectId++;
graphObjs.Add(objectId, chartArrow);
return(objectId);
}
private ChartArrow CreateArrow(ArrowDirection direction, Color color, float size, int bar, double price)
{
double tipPrice = price;
int tipBar = bar;
switch (direction)
{
case ArrowDirection.Up:
price -= symbol.MinimumTick;
break;
case ArrowDirection.Down:
price += symbol.MinimumTick;
break;
}
var chartArrow = new ChartArrow(color, size, bar, price, tipBar, tipPrice);
return(chartArrow);
}