adding missing validations

2026-08-19 19:18:05 +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 +1,61 @@
+using System.Drawing;
+using System.Runtime.CompilerServices;
+using TradingPlatform.BusinessLayer;
+
+namespace QuanTAlib;
+
+[SkipLocalsInit]
+public sealed class PfeIndicator : Indicator, IWatchlistIndicator
+{
+    [InputParameter("Period", sortIndex: 1, 2, 200, 1, 0)]
+    public int Period { get; set; } = 10;
+
+    [InputParameter("Smooth Period", sortIndex: 2, 1, 100, 1, 0)]
+    public int SmoothPeriod { get; set; } = 5;
+
+    [IndicatorExtensions.DataSourceInput]
+    public SourceType Source { get; set; } = SourceType.Close;
+
+    [InputParameter("Show cold values", sortIndex: 21)]
+    public bool ShowColdValues { get; set; } = true;
+
+    private Pfe _pfe = null!;
+    private readonly LineSeries _pfeSeries;
+    private string _sourceName = null!;
+    private Func<IHistoryItem, double> _priceSelector = null!;
+
+    public static int MinHistoryDepths => 0;
+    int IWatchlistIndicator.MinHistoryDepths => MinHistoryDepths;
+
+    public override string ShortName => $"PFE {Period},{SmoothPeriod}:{_sourceName}";
+    public override string SourceCodeLink => "https://github.com/mihakralj/QuanTAlib/blob/main/lib/dynamics/pfe/Pfe.Quantower.cs";
+
+    public PfeIndicator()
+    {
+        OnBackGround = true;
+        SeparateWindow = true;
+        Name = "PFE - Polarized Fractal Efficiency";
+        Description = "Measures trend efficiency as straight-line / fractal-path distance, EMA-smoothed";
+
+        _pfeSeries = new LineSeries(name: "PFE", color: Color.Yellow, width: 2, style: LineStyle.Solid);
+        AddLineSeries(_pfeSeries);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    protected override void OnInit()
+    {
+        _priceSelector = Source.GetPriceSelector();
+        _sourceName = Source.ToString();
+        _pfe = new Pfe(Period, SmoothPeriod);
+        base.OnInit();
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    protected override void OnUpdate(UpdateArgs args)
+    {
+        bool isNew = args.IsNewBar();
+        var item = HistoricalData[Count - 1, SeekOriginHistory.Begin];
+        double value = _pfe.Update(new TValue(item.TimeLeft.Ticks, _priceSelector(item)), isNew).Value;
+        _pfeSeries.SetValue(value, _pfe.IsHot, ShowColdValues);
+    }
+}