refresh with new QT DLL

quantower/Averages/LtmaIndicator.cs

@@ -1,24 +1,58 @@
-using TradingPlatform.BusinessLayer;
+using System.Drawing;
+using TradingPlatform.BusinessLayer;
+
 namespace QuanTAlib;
 
-public class LtmaIndicator : IndicatorBase
+public class LtmaIndicator : Indicator, IWatchlistIndicator
 {
-    [InputParameter("Gamma", sortIndex: 1, 0, 1, 0.01, 2)]
-    public double Gamma { get; set; } = 0.10;
+    [InputParameter("Gamma", sortIndex: 1, 0.01, 1, 0.01, 2)]
+    public double Gamma { get; set; } = 0.1;
+
+    [InputParameter("Data source", sortIndex: 2, variants: [
+        "Open", SourceType.Open,
+        "High", SourceType.High,
+        "Low", SourceType.Low,
+        "Close", SourceType.Close,
+        "HL/2 (Median)", SourceType.HL2,
+        "OC/2 (Midpoint)", SourceType.OC2,
+        "OHL/3 (Mean)", SourceType.OHL3,
+        "HLC/3 (Typical)", SourceType.HLC3,
+        "OHLC/4 (Average)", SourceType.OHLC4,
+        "HLCC/4 (Weighted)", SourceType.HLCC4
+    ])]
+    public SourceType Source { get; set; } = SourceType.Close;
 
     private Ltma? ma;
-    protected override AbstractBase QuanTAlib => ma!;
-    public override string ShortName => $"Laguerre {Gamma:F2} : {SourceName}";
+    protected LineSeries? Series;
+    protected string? SourceName;
+    public int MinHistoryDepths => 4; // Based on WarmupPeriod in Ltma
+    int IWatchlistIndicator.MinHistoryDepths => MinHistoryDepths;
 
-    public LtmaIndicator() : base()
+    public LtmaIndicator()
     {
-        Name = "LTMA - Laguerre Transform Moving Average";
-        Description = "Moving average using Laguerre polynomials, offering adjustable smoothing and lag reduction.";
+        OnBackGround = true;
+        SeparateWindow = false;
+        SourceName = Source.ToString();
+        Name = "LTMA - Laguerre Time Moving Average";
+        Description = "Laguerre Time Moving Average";
+        Series = new(name: $"LTMA {Gamma}", color: Color.Yellow, width: 2, style: LineStyle.Solid);
+        AddLineSeries(Series);
     }
 
-    protected override void InitIndicator()
+    protected override void OnInit()
     {
-        ma = new Ltma(gamma: Gamma);
-        base.InitIndicator();
+        ma = new Ltma(Gamma);
+        SourceName = Source.ToString();
+        base.OnInit();
     }
+
+    protected override void OnUpdate(UpdateArgs args)
+    {
+        TValue input = this.GetInputValue(args, Source);
+        TValue result = ma!.Calc(input);
+
+        Series!.SetValue(result.Value);
+    }
+
+    public override string ShortName => $"LTMA {Gamma}:{SourceName}";
 }