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uniper_hmi/UniperHMI/Common/FlowStationsViewModelBase.cs

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+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.ComponentModel;
+using System.Linq;
+using System.Reactive.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using CommunityToolkit.Mvvm.ComponentModel;
+using InfineonHMI.Model;
+
+namespace InfineonHMI.Common
+{
+    public sealed partial class FlowStationsViewModelBase : ObservableValidator, IChangeTrackingEx
+    {
+	    private ObservableCollection<StationEntry> initFlowStations = new();
+	    [ObservableProperty]
+	    private ObservableCollection<StationEntry> flowStations = new ObservableCollection<StationEntry>();
+
+	    public void AcceptChanges()
+	    {
+		    initFlowStations = new(FlowStations);
+	    }
+
+	    public bool IsChanged => !initFlowStations.Equals(FlowStations);
+	    public void DiscardChanges()
+	    {
+		    FlowStations = new(initFlowStations);
+	    }
+	}
+
+    public sealed partial class FlowReceipe : ObservableValidator, IChangeTrackingEx
+    {
+
+	    private ObservableCollection<FlowReceipeEntry> initEntries = new();
+	    [ObservableProperty] private ObservableCollection<FlowReceipeEntry> flowReceipeEntries;
+
+
+		public void AcceptChanges()
+		{
+			initEntries = new(FlowReceipeEntries);
+		}
+
+		public bool IsChanged => !FlowReceipeEntries.Equals(initEntries);
+	    public void DiscardChanges()
+	    {
+		    FlowReceipeEntries = new(initEntries);
+	    }
+    }
+}