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PortfolioManager/Renderers/BollingerBandRenderer.cs

@@ -33,12 +33,15 @@ namespace PortfolioManager.Renderers
 
   public class BollingerBandRenderer : ModelBase
   {
+    private String selectedSymbol = default;
+    private int selectedDayCount = int.MinValue;
     private Price latestPrice = default;
     private Price zeroPrice = default;
     private bool showLabels = true;
     private bool showMarkers = true;
     private bool showLegend = false;
     private bool showTradeLabels = true;
+    private bool showInsiderTransactions = true;
     private bool syncTradeToBand = true;
     private StopLimit stopLimit = default;
     private StopLimits stopLimits = default;
@@ -48,11 +51,14 @@ namespace PortfolioManager.Renderers
     private BollingerBands bollingerBands;
     private InsiderTransactionSummaries insiderTransactionSummaries = null;
 
-    double maxBollingerDate = 0.00;
+    // double maxBollingerDate = 0.00;
-    double minBollingerDate = 0.00;
+    // double minBollingerDate = 0.00;
-    double spread = 0.00;
+    //double spread = 0.00;
-    double percentShift3PC = 0.00;   
+    double percentShiftHorz3PC = 0.00;   
-    double percentShift1PC = 0.00;   
+    double percentShiftHorz1PC = 0.00;
+    double percentShiftVert3PC = 0.00;
+    double percentShiftVert1PC = 0.00;
+    double percentShiftVert5PC = 0.00;
 
     public BollingerBandRenderer(AvaPlot plotter)
     {
@@ -73,6 +79,15 @@ namespace PortfolioManager.Renderers
         if (!ShowLegend) Plotter.Plot.HideLegend();
         else Plotter.Plot.ShowLegend();
       }
+      else if (eventArgs.PropertyName.Equals("ShowLegend"))
+      {
+        if (!ShowLegend) Plotter.Plot.HideLegend();
+        else Plotter.Plot.ShowLegend();
+      }
+      else if (eventArgs.PropertyName.Equals("ShowInsiderTransactions"))
+      {
+        SetData(selectedSymbol, selectedDayCount);
+      }            
     }
 
     public void Render()
@@ -84,6 +99,8 @@ namespace PortfolioManager.Renderers
 
     public void SetData(String selectedSymbol, int selectedDayCount)
     {
+      this.selectedSymbol = selectedSymbol;
+      this.selectedDayCount = selectedDayCount;
       stopLimit = PortfolioDA.GetStopLimit(selectedSymbol);
       portfolioTrades = PortfolioDA.GetTradesSymbol(selectedSymbol);
       portfolioTradesLots = LotAggregator.CombineLots(portfolioTrades);
@@ -129,11 +146,18 @@ namespace PortfolioManager.Renderers
       }
       bollingerBands = BollingerBandGenerator.GenerateBollingerBands(prices);
 
-      maxBollingerDate = bollingerBands.Max(x=>x.Date).ToOADate();
+      double maxBollingerDate = bollingerBands.Max(x=>x.Date).ToOADate();
-      minBollingerDate = bollingerBands.Min(x=>x.Date).ToOADate();
+      double minBollingerDate = bollingerBands.Min(x=>x.Date).ToOADate();
-      spread = (maxBollingerDate - minBollingerDate);
+      double maxBollingerValue = bollingerBands.Max(x=>x.K);
-      percentShift3PC = spread * .03;
+      double minBollingerValue = bollingerBands.Min(x=>x.L);
-      percentShift1PC = spread * .01;
+
+      double spreadHorz = (maxBollingerDate - minBollingerDate);
+      double spreadVert = (maxBollingerValue - minBollingerValue);
+      percentShiftHorz3PC = spreadHorz * .03;
+      percentShiftHorz1PC = spreadHorz * .01;
+      percentShiftVert3PC = spreadVert * .03;
+      percentShiftVert1PC = spreadVert * .01;
+      percentShiftVert5PC = spreadVert * .05;
 
       GenerateBollingerBands();
       GenerateZeroPoint(zeroPrice);
@@ -233,7 +257,7 @@ namespace PortfolioManager.Renderers
 
         Image image = TextMarkerImageGenerator.GenerateImage(sb.ToString(), 155, 24, FontFactor.FontSize);
 //        Coordinates coordinates = new Coordinates(latestPrice.Date.ToOADate()/(1+onePercent), stopLimit.StopPrice - 5.00);
-        Coordinates coordinates = new Coordinates(latestPrice.Date.ToOADate()-percentShift3PC, stopLimit.StopPrice - 5.00);        
+        Coordinates coordinates = new Coordinates(latestPrice.Date.ToOADate()-percentShiftHorz3PC, stopLimit.StopPrice - 5.00);        
         ImageMarker imageMarker = Plotter.Plot.Add.ImageMarker(coordinates, image);
       }
     }
@@ -245,7 +269,6 @@ namespace PortfolioManager.Renderers
     {
       if (null == portfolioTradesLots || 0 == portfolioTradesLots.Count || !showTradeLabels) return;
 // Here we add the image markers     
-
       Image tradePointMarker = TextMarkerImageGenerator.ToSPImage(ImageCache.GetInstance().GetImage(ImageCache.ImageType.YellowTriangleUp));
       for (int index = 0; index < portfolioTradesLots.Count; index++)
       {
@@ -265,7 +288,7 @@ namespace PortfolioManager.Renderers
         sb.Append(Utility.FormatCurrency(portfolioTrade.Price));
 
         Image image = TextMarkerImageGenerator.GenerateImage(sb.ToString(), 150, 24, FontFactor.FontSize);
-        Coordinates coordinates = new Coordinates(portfolioTrade.TradeDate.ToOADate(), portfolioTrade.Price - 5.00);
+        Coordinates coordinates = new Coordinates(portfolioTrade.TradeDate.ToOADate(), portfolioTrade.Price - percentShiftVert5PC);
         ImageMarker imageMarker = Plotter.Plot.Add.ImageMarker(coordinates, image);
       }
     }
@@ -275,7 +298,7 @@ namespace PortfolioManager.Renderers
     /// </summary>
     private void GenerateInsiderTransactions()
     {
-      if (null == prices || 0 == prices.Count || !ShowMarkers) return;
+      if (null == prices || 0 == prices.Count || !ShowInsiderTransactions) return;
       ImageMarker imageMarker = default;
       Coordinates coordinates = default;
 
@@ -512,6 +535,19 @@ namespace PortfolioManager.Renderers
       }
     }
 
+    public bool ShowInsiderTransactions
+    {
+      get
+      {
+        return showInsiderTransactions;
+      }
+      set
+      {
+        showInsiderTransactions = value;
+        base.OnPropertyChanged("ShowInsiderTransactions");
+      }
+    }    
+
     public AvaPlot Plotter { get; private set; }
 
     private CompositeDataSource InsiderTransactionPointDisposedSmall { get; set; } = Empty();

PortfolioManager/ViewModels/PlotterWorkspaceViewModel.cs

@@ -10,6 +10,8 @@ namespace PortfolioManager.ViewModels
     
     public abstract class PlotterWorkspaceViewModel : WorkspaceViewModel
     {
+        public AvaPlot Plotter { get; set; }   
+            
         public EventHandler<PlotterLoadedEventArgs> OnPlotterLoadedEventHandler;
 
         public void OnPlotterLoaded(AvaPlot avaPlot)

PortfolioManager/ViewModels/ScottPlotViewModel.cs

@@ -5,6 +5,7 @@ using System.ComponentModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using CommunityToolkit.Mvvm.Input;
 using DynamicData;
 using MarketData;
 using MarketData.Cache;
@@ -17,245 +18,279 @@ using ScottPlot.Avalonia;
 
 namespace PortfolioManager.ViewModels
 {
-  public partial class ScottPlotViewModel : PlotterWorkspaceViewModel
+    public partial class ScottPlotViewModel : PlotterWorkspaceViewModel
-  {
-//    private AvaPlot plotter = default;
-    private List<String> watchListNames;
-    private String selectedWatchList;
-    private ObservableCollection<String> symbols = new ObservableCollection<String>();
-    private List<Int32> dayCounts = new int[] { 60, 90, 180, 360, 720, 1440, 3600 }.ToList<int>();
-    private int selectedDayCount = 90;
-    private bool isBusy = false;
-    private String selectedSymbol = default;
-    private String companyName = default;
-    BollingerBandRenderer bollingerBandRenderer = default;
-
-    public ScottPlotViewModel()
     {
-      DisplayName = "Bollinger";
+        //    private AvaPlot plotter = default;
-      Plotter = new AvaPlot();
+        private List<String> watchListNames;
-      base.OnPropertyChanged("Plotter");
+        private String selectedWatchList;
-      OnPlotterLoadedEventHandler += PlotterLoadedEvent;
+        private ObservableCollection<String> symbols = new ObservableCollection<String>();
-      PropertyChanged += OnViewModelPropertyChanged;
+        private List<Int32> dayCounts = new int[] { 60, 90, 180, 360, 720, 1440, 3600 }.ToList<int>();
-      Initialize();
+        private int selectedDayCount = 90;
-    }
+        private bool isBusy = false;
+        private String selectedSymbol = default;
+        private String companyName = default;
+        BollingerBandRenderer bollingerBandRenderer = default;
 
-    protected override void OnDispose()
+        public ScottPlotViewModel()
-    {
-      MDTrace.WriteLine(LogLevel.DEBUG, $"Dispose BollingerBandViewModel");
-      base.OnDispose();
-    }
-
-    private void Initialize(bool executePropertyChanged = true)
-    {
-      Task workerTask = Task.Factory.StartNew(() =>
-      {
-        MDTrace.WriteLine(LogLevel.DEBUG, $"BollingerBandViewModel::Initialize()");
-        watchListNames = WatchListDA.GetWatchLists();
-        watchListNames.Insert(0, UIConstants.CONST_ALL);
-        selectedWatchList = watchListNames.Find(x => x.Equals("Valuations"));
-        symbols.AddRange(WatchListDA.GetWatchList(selectedWatchList));
-      });
-      workerTask.ContinueWith((continuation) =>
-      {
-        if (executePropertyChanged)
         {
-          base.OnPropertyChanged("Symbols");
+            DisplayName = "Bollinger";
-          base.OnPropertyChanged("WatchListNames");
+//            Plotter = new AvaPlot();
-          base.OnPropertyChanged("SelectedWatchList");
+//            base.OnPropertyChanged("Plotter");
+            OnPlotterLoadedEventHandler += PlotterLoadedEvent;
+            PropertyChanged += OnViewModelPropertyChanged;
+            Initialize();
         }
-      });
-    }
 
-
+        protected override void OnDispose()
-    // *******************************************************************************************************************************************     
-    /// <summary>
-    /// This event will be called the first time the view is rendered and each time the view comes back into focus (i.e.) Tab activated
-    /// </summary>
-    /// <param name="sender"></param>
-    /// <param name="e"></param>
-    public void PlotterLoadedEvent(object sender, PlotterLoadedEventArgs e)
-    {
- //     Plotter = e.AvaPlot;
- //     Plotter.Plot.Clear();
- //     Plotter.Refresh();
- //     base.OnPropertyChanged("SelectedSymbol");
- //     MDTrace.WriteLine(LogLevel.DEBUG,$"SelectedSymbol:{selectedSymbol}");
-      // if (default == Plotter)
-      // {
-      //   Plotter = e.AvaPlot;
-      //   Plotter.Plot.Clear();
-      // }
-      // else
-      // {
-      //   Plotter = e.AvaPlot;
-      //   Plotter.Plot.Clear();
-      //   base.OnPropertyChanged("SelectedSymbol");
-      // }
-    }
-
-    private void OnViewModelPropertyChanged(object sender, PropertyChangedEventArgs eventArgs)
-    {
-
-      if ((eventArgs.PropertyName.Equals("SyncTradeToBand") ||
-          eventArgs.PropertyName.Equals("ShowTradeLabels") ||
-          eventArgs.PropertyName.Equals("SelectedSymbol") ||
-          eventArgs.PropertyName.Equals("ShowRiskFree") ||
-          eventArgs.PropertyName.Equals("LeastSquaresFit") ||
-          eventArgs.PropertyName.Equals("SelectedDayCount"))
-          && !String.IsNullOrEmpty(selectedSymbol)
-          && default!=Plotter)
-      {
-        IsBusy = true;
-        Task workerTask = Task.Factory.StartNew(() =>
         {
-          companyName = PricingDA.GetNameForSymbol(selectedSymbol);
+            MDTrace.WriteLine(LogLevel.DEBUG, $"Dispose BollingerBandViewModel");
-          bollingerBandRenderer = new BollingerBandRenderer(Plotter);
+            base.OnDispose();
-          bollingerBandRenderer.SetData(selectedSymbol, selectedDayCount);
-          bollingerBandRenderer.Render();
-        });
-        workerTask.ContinueWith((continuation) =>
-        {
-          base.OnPropertyChanged("GraphTitle");
-          IsBusy = false;
-        });
-      }
-    }
-
-    // ********************************************** P E R S I S T E N C E *************************
-    public override bool CanPersist()
-    {
-      return false;
-    }
-
-    public override SaveParameters GetSaveParameters()
-    {
-      return null;
-    }
-
-    public override void SetSaveParameters(SaveParameters saveParameters)
-    {
-    }
-
-    // ****************************************************** P R O P E R T I E S ************************************************
-
-    public AvaPlot Plotter { get; set; } = default;
-
-    public String GraphTitle
-    {
-      get
-      {
-        if (null == companyName || null == bollingerBandRenderer || null == bollingerBandRenderer.Prices) return "";
-        String displayCompanyName = companyName;
-        if (displayCompanyName.Length > 40) displayCompanyName = displayCompanyName.Substring(0, 40) + "...";
-        StringBuilder sb = new StringBuilder();
-        float change = float.NaN;
-        Prices prices2day = new Prices(bollingerBandRenderer.Prices.Take(2).ToList());
-        if (2 == prices2day.Count) change = prices2day.GetReturns()[0];
-        sb.Append(displayCompanyName);
-        sb.Append(" (").Append(selectedSymbol).Append(") ");
-        sb.Append(Utility.DateTimeToStringMMHDDHYYYY(bollingerBandRenderer.Prices[bollingerBandRenderer.Prices.Count - 1].Date));
-        sb.Append(" Thru ");
-        sb.Append(Utility.DateTimeToStringMMHDDHYYYY(bollingerBandRenderer.Prices[0].Date));
-        sb.Append(" (").Append(Utility.FormatCurrency(bollingerBandRenderer.Prices[0].Close));
-        sb.Append("/").Append(Utility.FormatCurrency(bollingerBandRenderer.Prices[0].Low));
-        if (!float.IsNaN(change))
-        {
-          sb.Append(",");
-          sb.Append(change >= 0.00 ? "+" : "").Append(Utility.FormatPercent((double)change));
         }
-        sb.Append(")");
-        return sb.ToString();
-      }
-    }
 
-    public List<String> WatchListNames
+        private void Initialize(bool executePropertyChanged = true)
-    {
-      get
-      {
-        return watchListNames;
-      }
-    }
-
-    public String SelectedWatchList
-    {
-      get
-      {
-        return selectedWatchList;
-      }
-      set
-      {
-        selectedWatchList = value;
-        base.OnPropertyChanged("SelectedWatchList");
-      }
-    }
-
-    public ObservableCollection<String> Symbols
-    {
-      get
-      {
-        return symbols;
-      }
-    }
-
-    public int SelectedDayCount
-    {
-      get
-      {
-        return selectedDayCount;
-      }
-      set
-      {
-        selectedDayCount = value;
-        base.OnPropertyChanged("SelectedDayCount");
-      }
-    }
-
-    public List<int> DayCounts
-    {
-      get
-      {
-        return dayCounts;
-      }
-    }   
-
-    public String SelectedSymbol
-    {
-      get
-      {
-        return selectedSymbol;
-      }
-      set
-      {
-        if (String.IsNullOrEmpty(value))
         {
-          return;
+            Task workerTask = Task.Factory.StartNew(() =>
+            {
+                MDTrace.WriteLine(LogLevel.DEBUG, $"BollingerBandViewModel::Initialize()");
+                watchListNames = WatchListDA.GetWatchLists();
+                watchListNames.Insert(0, UIConstants.CONST_ALL);
+                selectedWatchList = watchListNames.Find(x => x.Equals("Valuations"));
+                symbols.AddRange(WatchListDA.GetWatchList(selectedWatchList));
+            });
+            workerTask.ContinueWith((continuation) =>
+            {
+                if (executePropertyChanged)
+                {
+                    base.OnPropertyChanged("Symbols");
+                    base.OnPropertyChanged("WatchListNames");
+                    base.OnPropertyChanged("SelectedWatchList");
+                }
+            });
         }
-        selectedSymbol = value;
-        base.OnPropertyChanged("SelectedSymbol");
-      }
-    }    
 
-    public bool IsBusy
-    {
-      get
-      {
-        return isBusy;
-      }
-      set
-      {
-        isBusy = value;
-        base.OnPropertyChanged("IsBusy");
-      }
-    }
 
-    public override String Title
+        // *******************************************************************************************************************************************     
-    {
+        /// <summary>
-      get
+        /// This event will be called the first time the view is rendered and each time the view comes back into focus (i.e.) Tab activated
-      {
+        /// </summary>
-        if (null == selectedSymbol) return DisplayName;
+        /// <param name="sender"></param>
-        return "Bollinger " + "(" + selectedSymbol + ")";
+        /// <param name="e"></param>
+        public void PlotterLoadedEvent(object sender, PlotterLoadedEventArgs e)
+        {
+          base.OnPropertyChanged("Plotter");
       }
-    }
+
+        private void OnViewModelPropertyChanged(object sender, PropertyChangedEventArgs eventArgs)
+        {
+
+            if ((eventArgs.PropertyName.Equals("SyncTradeToBand") ||
+                eventArgs.PropertyName.Equals("ShowTradeLabels") ||
+                eventArgs.PropertyName.Equals("SelectedSymbol") ||
+                eventArgs.PropertyName.Equals("ShowRiskFree") ||
+                eventArgs.PropertyName.Equals("LeastSquaresFit") ||
+                eventArgs.PropertyName.Equals("SelectedDayCount"))
+                && !String.IsNullOrEmpty(selectedSymbol)
+                && default != Plotter)
+            {
+                IsBusy = true;
+                Task workerTask = Task.Factory.StartNew(() =>
+                {
+                    companyName = PricingDA.GetNameForSymbol(selectedSymbol);
+                    bollingerBandRenderer = new BollingerBandRenderer(Plotter);
+                    bollingerBandRenderer.SetData(selectedSymbol, selectedDayCount);
+                    bollingerBandRenderer.Render();
+                });
+                workerTask.ContinueWith((continuation) =>
+                {
+                    base.OnPropertyChanged("GraphTitle");
+                    IsBusy = false;
+                });
+            }
+        }
+
+        // ********************************************** P E R S I S T E N C E *************************
+        public override bool CanPersist()
+        {
+            return false;
+        }
+
+        public override SaveParameters GetSaveParameters()
+        {
+            return null;
+        }
+
+        public override void SetSaveParameters(SaveParameters saveParameters)
+        {
+        }
+
+        // ****************************************************** P R O P E R T I E S ************************************************
+
+        // public AvaPlot Plotter { get; set; } = default;
+
+        public String GraphTitle
+        {
+            get
+            {
+                if (null == companyName || null == bollingerBandRenderer || null == bollingerBandRenderer.Prices) return "";
+                String displayCompanyName = companyName;
+                if (displayCompanyName.Length > 40) displayCompanyName = displayCompanyName.Substring(0, 40) + "...";
+                StringBuilder sb = new StringBuilder();
+                float change = float.NaN;
+                Prices prices2day = new Prices(bollingerBandRenderer.Prices.Take(2).ToList());
+                if (2 == prices2day.Count) change = prices2day.GetReturns()[0];
+                sb.Append(displayCompanyName);
+                sb.Append(" (").Append(selectedSymbol).Append(") ");
+                sb.Append(Utility.DateTimeToStringMMHDDHYYYY(bollingerBandRenderer.Prices[bollingerBandRenderer.Prices.Count - 1].Date));
+                sb.Append(" Thru ");
+                sb.Append(Utility.DateTimeToStringMMHDDHYYYY(bollingerBandRenderer.Prices[0].Date));
+                sb.Append(" (").Append(Utility.FormatCurrency(bollingerBandRenderer.Prices[0].Close));
+                sb.Append("/").Append(Utility.FormatCurrency(bollingerBandRenderer.Prices[0].Low));
+                if (!float.IsNaN(change))
+                {
+                    sb.Append(",");
+                    sb.Append(change >= 0.00 ? "+" : "").Append(Utility.FormatPercent((double)change));
+                }
+                sb.Append(")");
+                return sb.ToString();
+            }
+        }
+
+        public List<String> WatchListNames
+        {
+            get
+            {
+                return watchListNames;
+            }
+        }
+
+        public String SelectedWatchList
+        {
+            get
+            {
+                return selectedWatchList;
+            }
+            set
+            {
+                selectedWatchList = value;
+                base.OnPropertyChanged("SelectedWatchList");
+            }
+        }
+
+        public ObservableCollection<String> Symbols
+        {
+            get
+            {
+                return symbols;
+            }
+        }
+
+        public int SelectedDayCount
+        {
+            get
+            {
+                return selectedDayCount;
+            }
+            set
+            {
+                selectedDayCount = value;
+                base.OnPropertyChanged("SelectedDayCount");
+            }
+        }
+
+        public List<int> DayCounts
+        {
+            get
+            {
+                return dayCounts;
+            }
+        }
+
+        public String SelectedSymbol
+        {
+            get
+            {
+                return selectedSymbol;
+            }
+            set
+            {
+                if (String.IsNullOrEmpty(value))
+                {
+                    return;
+                }
+                selectedSymbol = value;
+                base.OnPropertyChanged("SelectedSymbol");
+            }
+        }
+
+        public bool IsBusy
+        {
+            get
+            {
+                return isBusy;
+            }
+            set
+            {
+                isBusy = value;
+                base.OnPropertyChanged("IsBusy");
+            }
+        }
+
+        public override String Title
+        {
+            get
+            {
+                if (null == selectedSymbol) return DisplayName;
+                return "Bollinger " + "(" + selectedSymbol + ")";
+            }
+        }
+
+        public bool SyncTradeToBand
+        {
+          get
+          {
+            if (null == bollingerBandRenderer) return false;
+            return bollingerBandRenderer.SyncTradeToBand;          
+          }
+          set
+          {
+          bollingerBandRenderer.SyncTradeToBand = value;
+
+          }
+        }        
+
+        public bool ShowTradeLabels
+        {
+          get
+          {
+            if (null == bollingerBandRenderer) return false;
+            return bollingerBandRenderer.ShowLabels;          
+          }
+          set
+          {
+          bollingerBandRenderer.ShowLabels = value;
+
+          }
+        } 
+
+        public Boolean CheckBoxShowInsiderTransactions
+        {
+          get
+          {
+            if (null == bollingerBandRenderer) return false;
+            return bollingerBandRenderer.ShowInsiderTransactions;
+          }
+          set
+          {
+            bollingerBandRenderer.ShowInsiderTransactions = value;
+          }
+        }               
+
+
+        [RelayCommand]
+        public async Task Refresh()
+        {
+            base.OnPropertyChanged("SelectedSymbol");
+            await Task.FromResult(true);
+        }    
   }
 }

PortfolioManager/Views/ScottPlotView.axaml

@@ -61,10 +61,10 @@
           </ComboBox>
           <Label Content="Day Count" HorizontalAlignment="Left" ></Label>
           <ComboBox ItemsSource="{Binding Path=DayCounts, Mode=OneWay}" SelectedItem="{Binding Path=SelectedDayCount}"/>
-          <!-- <Button Content="Refresh" HorizontalAlignment="Stretch" Command="{Binding Path=Refresh}"></Button>     
+          <Button Content="Refresh" HorizontalAlignment="Stretch" Command="{Binding Path=Refresh}"></Button>     
           <CheckBox Content="Sync Trade To Band" IsChecked="{Binding Mode=TwoWay,Path=SyncTradeToBand}" HorizontalAlignment="Stretch" />
           <CheckBox Content="Show Trade Labels" IsChecked="{Binding Mode=TwoWay,Path=ShowTradeLabels}" HorizontalAlignment="Stretch" />
-          <CheckBox Content="Show Insider Transactions" IsChecked="{Binding Mode=TwoWay,Path=CheckBoxShowInsiderTransactions}" HorizontalAlignment="Stretch" /> -->
+          <CheckBox Content="Show Insider Transactions" IsChecked="{Binding Mode=TwoWay,Path=CheckBoxShowInsiderTransactions}" HorizontalAlignment="Stretch" />
         </StackPanel>
 		</Grid>
 

PortfolioManager/Views/ScottPlotView.axaml.cs

@@ -10,23 +10,23 @@ namespace PortfolioManager.Views;
 
 public partial class ScottPlotView : UserControl
 {
-    // private AvaPlot avaPlot = default;
+  public ScottPlotView()
-    public ScottPlotView()
+  {
-    {
+    this.DataContextChanged += OnDataContextChanged;
-        InitializeComponent();
+    InitializeComponent();
-    }
+  }
 
-    private void AvaPlot_Loaded(object sender, RoutedEventArgs e)
+  private void OnDataContextChanged(object sender, EventArgs e)
+  {
+    if (default != (sender as ScottPlotView))
     {
-        // This code will execute when the AvaPlot is loaded
+      ScottPlotView view = (sender as ScottPlotView);
-        // if (sender is ScottPlot.Avalonia.AvaPlot)
+      PlotterWorkspaceViewModel viewModel = (DataContext as PlotterWorkspaceViewModel);
-        // {
+      if (default == viewModel.Plotter)
-        //   if (default == avaPlot)
+      {
-        //   {
+        viewModel.Plotter = new AvaPlot();
-        //       PlotterWorkspaceViewModel viewModel = (DataContext as PlotterWorkspaceViewModel);
+        viewModel.OnPlotterLoaded(viewModel.Plotter);
-        //       avaPlot = this.Find<AvaPlot>("AvaPlot");
+      }
-        //       viewModel.OnPlotterLoaded(avaPlot);
-        //   }                
-        // }
     }
+  }
 }