Select first section automatically

SuperJMN · Dec 22, 2023 · 421223c · 421223c
1 parent 2f7c418
commit 421223c
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/src/AvaloniaSyncer/ViewModels/MainViewModel.cs b/src/AvaloniaSyncer/ViewModels/MainViewModel.cs
@@ -1,8 +1,11 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Reactive;
+using System.Reactive.Linq;
 using System.Threading.Tasks;
 using ReactiveUI;
+using ReactiveUI.Fody.Helpers;
 
 namespace AvaloniaSyncer.ViewModels;
 
@@ -14,8 +17,16 @@ public MainViewModel(Func<Task<IEnumerable<Section>>> sectionsFactory)
     {
         LoadSections = ReactiveCommand.CreateFromTask(sectionsFactory);
         sectionsHelper = LoadSections.ToProperty(this, x => x.Sections);
+
+        this.WhenAnyValue(model => model.Sections)
+            .WhereNotNull()
+            .Do(sections => SelectedSection = sections.First())
+            .Subscribe();
     }
 
+    [Reactive]
+    public Section SelectedSection { get; set; }
+
     public IEnumerable<Section> Sections => sectionsHelper.Value;
 
     public ReactiveCommand<Unit, IEnumerable<Section>> LoadSections { get; }

diff --git a/src/AvaloniaSyncer/Views/MainView.axaml b/src/AvaloniaSyncer/Views/MainView.axaml
@@ -10,7 +10,7 @@
 
 	<DockPanel>
         <controls:MasterDetailsNavigator DockPanel.Dock="Top" />
-        <controls:MasterDetailsView ItemsSource="{Binding Sections}" MasterPaneWidth="120">
+        <controls:MasterDetailsView ItemsSource="{Binding Sections}" SelectedItem="{Binding SelectedSection}" MasterPaneWidth="120">
 			<controls:MasterDetailsView.ItemTemplate>
 				<DataTemplate x:DataType="vm:Section">
 					<TextBlock Text="{Binding Name}" />