adding missing validations

2026-08-24 05:28:05 +00:00 · 2026-02-26 09:59:44 -08:00
parent 467a8c1cef
commit 9ab37c1200
231 changed files with 60015 additions and 302 deletions
@@ -0,0 +1,72 @@
+using System.Drawing;
+using System.Runtime.CompilerServices;
+using TradingPlatform.BusinessLayer;
+
+namespace QuanTAlib;
+
+[SkipLocalsInit]
+public sealed class BbiIndicator : Indicator, IWatchlistIndicator
+{
+    [InputParameter("Period 1 (Ultra-Short)", sortIndex: 1, 1, 5000, 1, 0)]
+    public int Period1 { get; set; } = 3;
+
+    [InputParameter("Period 2 (Short)", sortIndex: 2, 1, 5000, 1, 0)]
+    public int Period2 { get; set; } = 6;
+
+    [InputParameter("Period 3 (Medium)", sortIndex: 3, 1, 5000, 1, 0)]
+    public int Period3 { get; set; } = 12;
+
+    [InputParameter("Period 4 (Long)", sortIndex: 4, 1, 5000, 1, 0)]
+    public int Period4 { get; set; } = 24;
+
+    [IndicatorExtensions.DataSourceInput(sortIndex: 5)]
+    public SourceType Source { get; set; } = SourceType.Close;
+
+    [InputParameter("Show cold values", sortIndex: 21)]
+    public bool ShowColdValues { get; set; } = true;
+
+    private Bbi _bbi = null!;
+    private readonly LineSeries _series;
+
+    public static int MinHistoryDepths => 0;
+    int IWatchlistIndicator.MinHistoryDepths => MinHistoryDepths;
+
+    public override string ShortName => $"BBI ({Period1},{Period2},{Period3},{Period4})";
+    public override string SourceCodeLink => "https://github.com/mihakralj/QuanTAlib/blob/main/lib/oscillators/bbi/Bbi.Quantower.cs";
+
+    public BbiIndicator()
+    {
+        OnBackGround = true;
+        SeparateWindow = false;
+        Name = "BBI - Bulls Bears Index";
+        Description = "Arithmetic mean of four SMAs across geometrically spaced periods";
+
+        _series = new LineSeries("BBI", Color.Yellow, 2, LineStyle.Solid);
+        AddLineSeries(_series);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    protected override void OnInit()
+    {
+        _bbi = new Bbi(Period1, Period2, Period3, Period4);
+        base.OnInit();
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    protected override void OnUpdate(UpdateArgs args)
+    {
+        var priceSelector = Source.GetPriceSelector();
+        var item = HistoricalData[0, SeekOriginHistory.End];
+        double price = priceSelector(item);
+
+        TValue input = new(item.TimeLeft, price);
+        TValue result = _bbi.Update(input, args.IsNewBar());
+
+        if (!_bbi.IsHot && !ShowColdValues)
+        {
+            return;
+        }
+
+        _series.SetValue(result.Value);
+    }
+}