refresh with new QT DLL

quantower/Volatility/AtrIndicator.cs

@@ -1,24 +1,41 @@
+using System.Drawing;
 using TradingPlatform.BusinessLayer;
+
 namespace QuanTAlib;
 
-public class AtrIndicator : IndicatorBarBase
+public class AtrIndicator : Indicator, IWatchlistIndicator
 {
-    [InputParameter("Period", sortIndex: 1, 1, 2000, 1, 0)]
-    public int Period { get; set; } = 20;
+    [InputParameter("Periods", sortIndex: 1, 1, 2000, 1, 0)]
+    public int Periods { get; set; } = 20;
 
     private Atr? atr;
-    protected override AbstractBase QuanTAlib => atr!;
-    public override string ShortName => $"ATR {Period}";
+    protected LineSeries? AtrSeries;
+    public int MinHistoryDepths => 2;
+    int IWatchlistIndicator.MinHistoryDepths => MinHistoryDepths;
+
     public AtrIndicator()
     {
         Name = "ATR - Average True Range";
         Description = "Measures market volatility by calculating the average range between high and low prices.";
         SeparateWindow = true;
+
+        AtrSeries = new("ATR", Color.Blue, 2, LineStyle.Solid);
+        AddLineSeries(AtrSeries);
     }
 
-    protected override void InitIndicator()
+    protected override void OnInit()
     {
-        atr = new(Period);
-        MinHistoryDepths = atr!.WarmupPeriod;
+        atr = new Atr(Periods);
+        base.OnInit();
     }
+
+    protected override void OnUpdate(UpdateArgs args)
+    {
+        TBar input = IndicatorExtensions.GetInputBar(this, args);
+        TValue result = atr!.Calc(input);
+
+        AtrSeries!.SetValue(result.Value);
+    }
+
+    public override string ShortName => $"ATR ({Periods})";
 }