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 +1,63 @@
+using System.Drawing;
+using System.Runtime.CompilerServices;
+using TradingPlatform.BusinessLayer;
+
+namespace QuanTAlib;
+
+[SkipLocalsInit]
+public sealed class CtiIndicator : Indicator, IWatchlistIndicator
+{
+    [InputParameter("Period", sortIndex: 1, 2, 1000, 1, 0)]
+    public int Period { get; set; } = 20;
+
+    [IndicatorExtensions.DataSourceInput(sortIndex: 2)]
+    public SourceType Source { get; set; } = SourceType.Close;
+
+    [InputParameter("Show cold values", sortIndex: 21)]
+    public bool ShowColdValues { get; set; } = true;
+
+    private Cti _cti = null!;
+    private readonly LineSeries _series;
+
+    public static int MinHistoryDepths => 0;
+    int IWatchlistIndicator.MinHistoryDepths => MinHistoryDepths;
+
+    public override string ShortName => $"CTI ({Period})";
+    public override string SourceCodeLink => "https://github.com/mihakralj/QuanTAlib/blob/main/lib/oscillators/cti/Cti.Quantower.cs";
+
+    public CtiIndicator()
+    {
+        OnBackGround = true;
+        SeparateWindow = true;
+        Name = "CTI - Correlation Trend Indicator";
+        Description = "Pearson correlation between price and a perfect linear time index";
+
+        _series = new LineSeries("CTI", Color.Yellow, 2, LineStyle.Solid);
+        AddLineSeries(_series);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    protected override void OnInit()
+    {
+        _cti = new Cti(Period);
+        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 = _cti.Update(input, args.IsNewBar());
+
+        if (!_cti.IsHot && !ShowColdValues)
+        {
+            return;
+        }
+
+        _series.SetValue(result.Value);
+    }
+}