Pivot points has some warnings Colors/Color ChartObjects can we have this code zero warnings?
Pivot points has some warnings Colors/Color ChartObjects can we have this code zero warnings?
03 Jan 2021, 04:04
Here is my code below:
using System;
using cAlgo.API;
using cAlgo.API.Internals;
using cAlgo.API.Indicators;
using cAlgo.Indicators;
namespace cAlgo
{
[Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
public class RamTargetPoint : Indicator
{
private DateTime _previousPeriodStartTime;
private int _previousPeriodStartIndex;
private TimeFrame PivotTimeFrame;
private VerticalAlignment vAlignment = VerticalAlignment.Top;
private HorizontalAlignment hAlignment = HorizontalAlignment.Right;
private Colors pivotColor = Colors.White;
private Colors supportColor = Colors.Red;
private Colors resistanceColor = Colors.Green;
[Parameter("Use Custom Timeframe", DefaultValue = true)]
public bool UseCustomTimeFrame { get; set; }
[Parameter("Custom Timeframe", DefaultValue = "Daily")]
public TimeFrame CustomTimeFrame { get; set; }
[Parameter("Show Labels", DefaultValue = true)]
public bool ShowLabels { get; set; }
[Parameter("Pivot Color", DefaultValue = "White")]
public string PivotColor { get; set; }
[Parameter("Support Color", DefaultValue = "Red")]
public string SupportColor { get; set; }
[Parameter("Resistance Color", DefaultValue = "Green")]
public string ResistanceColor { get; set; }
protected override void Initialize()
{
// Initialize and create nested indicators
if (UseCustomTimeFrame)
{
PivotTimeFrame = CustomTimeFrame;
}
else if (TimeFrame <= TimeFrame.Hour)
{
PivotTimeFrame = TimeFrame.Daily;
}
else if (TimeFrame < TimeFrame.Daily)
{
PivotTimeFrame = TimeFrame.Weekly;
}
else
{
PivotTimeFrame = TimeFrame.Monthly;
}
Enum.TryParse(PivotColor, out pivotColor);
Enum.TryParse(SupportColor, out supportColor);
Enum.TryParse(ResistanceColor, out resistanceColor);
}
private DateTime GetStartOfPeriod(DateTime dateTime)
{
return CutToOpenByNewYork(dateTime, PivotTimeFrame);
}
private DateTime GetEndOfPeriod(DateTime dateTime)
{
if (PivotTimeFrame == TimeFrame.Monthly)
{
return new DateTime(dateTime.Year, dateTime.Month, 1).AddMonths(1);
}
if (PivotTimeFrame == TimeFrame.Weekly)
{
return dateTime.AddDays(7);
}
return AddPeriod(CutToOpenByNewYork(dateTime, PivotTimeFrame), PivotTimeFrame);
}
public override void Calculate(int index)
{
var currentPeriodStartTime = GetStartOfPeriod(Bars.OpenTimes[index]);
if (currentPeriodStartTime == _previousPeriodStartTime)
return;
if (index > 0)
CalculatePivots(_previousPeriodStartTime, _previousPeriodStartIndex, currentPeriodStartTime, index);
_previousPeriodStartTime = currentPeriodStartTime;
_previousPeriodStartIndex = index;
}
private void CalculatePivots(DateTime startTime, int startIndex, DateTime startTimeOfNextPeriod, int index)
{
var high = Bars.HighPrices[startIndex];
var low = Bars.LowPrices[startIndex];
var close = Bars.ClosePrices[startIndex];
var i = startIndex + 1;
while (GetStartOfPeriod(Bars.OpenTimes[i]) == startTime && i < Bars.ClosePrices.Count)
{
high = Math.Max(high, Bars.HighPrices[i]);
low = Math.Min(low, Bars.LowPrices[i]);
close = Bars.ClosePrices[i];
i++;
}
var pivotStartTime = startTimeOfNextPeriod;
var pivotEndTime = GetEndOfPeriod(startTimeOfNextPeriod);
var pivot = (high + low + close) / 3;
var r1 = 2 * pivot - low;
var s1 = 2 * pivot - high;
var r2 = pivot + high - low;
var s2 = pivot - high + low;
var r3 = high + 2 * (pivot - low);
var s3 = low - 2 * (high - pivot);
Chart.DrawTrendLine("pivot " + startIndex, pivotStartTime, pivot, pivotEndTime, pivot, Color.White);
Chart.DrawTrendLine("r1 " + startIndex, pivotStartTime, r1, pivotEndTime, r1, Color.Green);
Chart.DrawTrendLine("r2 " + startIndex, pivotStartTime, r2, pivotEndTime, r2, Color.Green);
Chart.DrawTrendLine("r3 " + startIndex, pivotStartTime, r3, pivotEndTime, r3, Color.Green);
Chart.DrawTrendLine("s1 " + startIndex, pivotStartTime, s1, pivotEndTime, s1, Color.Red);
Chart.DrawTrendLine("s2 " + startIndex, pivotStartTime, s2, pivotEndTime, s2, Color.Red);
Chart.DrawTrendLine("s3 " + startIndex, pivotStartTime, s3, pivotEndTime, s3, Color.Red);
if (!ShowLabels)
return;
ChartObjects.DrawText("Lpivot " + startIndex, "P", index, pivot, vAlignment, hAlignment, pivotColor);
ChartObjects.DrawText("Lr1 " + startIndex, "R1", index, r1, vAlignment, hAlignment, resistanceColor);
ChartObjects.DrawText("Lr2 " + startIndex, "R2", index, r2, vAlignment, hAlignment, resistanceColor);
ChartObjects.DrawText("Lr3 " + startIndex, "R3", index, r3, vAlignment, hAlignment, resistanceColor);
ChartObjects.DrawText("Ls1 " + startIndex, "S1", index, s1, vAlignment, hAlignment, supportColor);
ChartObjects.DrawText("Ls2 " + startIndex, "S2", index, s2, vAlignment, hAlignment, supportColor);
ChartObjects.DrawText("Ls3 " + startIndex, "S3", index, s3, vAlignment, hAlignment, supportColor);
}
private static DateTime CutToOpenByNewYork(DateTime date, TimeFrame timeFrame)
{
if (timeFrame == TimeFrame.Daily)
{
var hourShift = (date.Hour + 24 - 17) % 24;
return new DateTime(date.Year, date.Month, date.Day, date.Hour, 0, 0, DateTimeKind.Unspecified).AddHours(-hourShift);
}
if (timeFrame == TimeFrame.Weekly)
return GetStartOfTheWeek(date);
if (timeFrame == TimeFrame.Monthly)
{
return new DateTime(date.Year, date.Month, 1, 0, 0, 0, DateTimeKind.Unspecified);
}
throw new ArgumentException(string.Format("Unknown timeframe: {0}", timeFrame), "timeFrame");
}
private static DateTime GetStartOfTheWeek(DateTime dateTime)
{
return dateTime.Date.AddDays((double)DayOfWeek.Sunday - (double)dateTime.Date.DayOfWeek).AddHours(-7);
}
public DateTime AddPeriod(DateTime dateTime, TimeFrame timeFrame)
{
if (timeFrame == TimeFrame.Daily)
{
return dateTime.AddDays(1);
}
if (timeFrame == TimeFrame.Weekly)
{
return dateTime.AddDays(7);
}
if (timeFrame == TimeFrame.Monthly)
return dateTime.AddMonths(1);
throw new ArgumentException(string.Format("Unknown timeframe: {0}", timeFrame), "timeFrame");
}
}
}