private void DrawLevels(ChartTrendLine mainLine)
{
var verticalDelta = mainLine.GetPriceDelta();
var previousLevelPrice = double.NaN;
FibonacciLevel previousLevel = null;
var startTime = mainLine.GetStartTime();
var endTime = mainLine.GetEndTime();
foreach (var level in _levels)
{
var levelAmount = level.Percent == 0 ? 0 : verticalDelta * level.Percent;
var levelLineName = GetObjectName(string.Format("LevelLine_{0}", level.Percent));
var price = mainLine.Y2 > mainLine.Y1 ? mainLine.Y2 - levelAmount : mainLine.Y2 + levelAmount;
var lineColor = level.IsFilled ? level.LineColor : level.FillColor;
var levelLine = Chart.DrawTrendLine(levelLineName, startTime, price, endTime, price, lineColor, level.Thickness, level.Style);
levelLine.IsInteractive = true;
levelLine.IsLocked = true;
levelLine.ExtendToInfinity = level.ExtendToInfinity;
_levelLines[level.Percent] = levelLine;
if (previousLevel == null)
{
previousLevelPrice = price;
previousLevel = level;
continue;
}
var levelRectangleName = GetObjectName(string.Format("LevelRectangle_{0}", level.Percent));
var rectangle = Chart.DrawRectangle(levelRectangleName, startTime, previousLevelPrice, endTime, price, level.FillColor, 0);
rectangle.IsFilled = level.IsFilled;
rectangle.IsInteractive = true;
rectangle.IsLocked = true;
if (level.ExtendToInfinity)
{
rectangle.Time2 = rectangle.Time2.AddMonths(100);
}
previousLevelPrice = price;
previousLevel = level;
}
}
private void UpdatePattern(ChartTrendLine mainLine, IOrderedEnumerable <KeyValuePair <double, ChartTrendLine> > levelLines, Dictionary <double, ChartRectangle> levelRectangles, ChartObject updatedChartObject)
{
var verticalDelta = mainLine.GetPriceDelta();
var previousLevelPrice = double.NaN;
FibonacciLevel previousLevel = null;
var startTime = mainLine.GetStartTime();
var endTime = mainLine.GetEndTime();
foreach (var levelLine in levelLines)
{
var percent = levelLine.Key;
var level = _levels.FirstOrDefault(iLevel => iLevel.Percent == percent);
if (level == null)
{
continue;
}
var levelAmount = percent == 0 ? 0 : verticalDelta * percent;
var price = mainLine.Y2 > mainLine.Y1 ? mainLine.Y2 - levelAmount : mainLine.Y2 + levelAmount;
levelLine.Value.Time1 = startTime;
levelLine.Value.Time2 = endTime;
levelLine.Value.Y1 = price;
levelLine.Value.Y2 = price;
if (previousLevel == null)
{
previousLevelPrice = price;
previousLevel = level;
continue;
}
ChartRectangle levelRectangle;
if (levelRectangles.TryGetValue(level.Percent, out levelRectangle))
{
if (levelLine.Value == updatedChartObject)
{
levelRectangle.Color = Color.FromArgb(level.FillColor.A, levelLine.Value.Color);
}
else if (levelRectangle == updatedChartObject)
{
levelLine.Value.Color = Color.FromArgb(level.LineColor.A, levelRectangle.Color);
}
}
ChartRectangle previousLevelRectangle;
if (!levelRectangles.TryGetValue(previousLevel.Percent, out previousLevelRectangle))
{
continue;
}
previousLevelRectangle.Time1 = startTime;
previousLevelRectangle.Time2 = previousLevel.ExtendToInfinity ? endTime.AddMonths(100) : endTime;
previousLevelRectangle.Y1 = previousLevelPrice;
previousLevelRectangle.Y2 = price;
previousLevelPrice = price;
previousLevel = level;
}
}
