refactor: code/folder structure, remove hacks

Needlework.Net/ViewModels/Pages/Endpoints/EndpointTabItemContentViewModel.cs

@@ -0,0 +1,61 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using System;
+using System.Collections.ObjectModel;
+
+namespace Needlework.Net.ViewModels.Pages.Endpoints;
+
+public partial class EndpointTabItemContentViewModel : ObservableObject
+{
+    private readonly Action<string?, Guid> _onEndpointNavigation;
+
+    private readonly Tab _tab;
+
+    public EndpointTabItemContentViewModel(Services.NotificationService notificationService, ObservableCollection<string> plugins, Action<string?, Guid> onEndpointNavigation, IAsyncRelayCommand addEndpointCommand, Models.Document document, Tab tab)
+    {
+        _activeViewModel = _endpointsViewModel = new EndpointListViewModel(notificationService, new ObservableCollection<string>(plugins), OnClicked, document, tab);
+        _onEndpointNavigation = onEndpointNavigation;
+        _tab = tab;
+        _title = GetTitle(tab);
+
+        AddEndpointCommand = addEndpointCommand;
+    }
+
+    public Guid Guid { get; } = Guid.NewGuid();
+
+    public IAsyncRelayCommand AddEndpointCommand { get; }
+
+    [ObservableProperty] private ObservableObject _activeViewModel;
+
+    [ObservableProperty] private ObservableObject _endpointsViewModel;
+
+    [ObservableProperty] private string _title;
+
+    private string GetTitle(Tab tab)
+    {
+        return tab switch
+        {
+            Tab.LCU => "LCU",
+            Tab.GameClient => "Game Client",
+            _ => string.Empty,
+        };
+    }
+
+    private void OnClicked(ObservableObject viewModel)
+    {
+        ActiveViewModel = viewModel;
+        if (viewModel is PluginViewModel endpoint)
+        {
+            Title = $"{GetTitle(_tab)} - {endpoint.Title}";
+            _onEndpointNavigation.Invoke(endpoint.Title, Guid);
+        }
+    }
+
+    [RelayCommand]
+    private void GoBack()
+    {
+        ActiveViewModel = EndpointsViewModel;
+        Title = GetTitle(_tab);
+        _onEndpointNavigation.Invoke(null, Guid);
+    }
+}