Generic Button: Marker for "Modifiers" tab if there are modifiers

Issue #213

Author: pre-martin

StreamDeckSimHub.Plugin/ActionEditor/ViewModels/DisplayItemViewModels.cs

@@ -31,6 +31,7 @@ public abstract partial class DisplayItemViewModel(DisplayItem model, IViewModel
     protected DisplayItemViewModel(DisplayItem model, IViewModel parentViewModel) : this(model, parentViewModel, null)
     {
         Modifiers = new ObservableCollection<ModifierViewModel>(model.Modifiers.Select(ModifierToViewModel));
+        Modifiers.CollectionChanged += (_, _) => OnPropertyChanged(nameof(HasModifiers));
 
         if (model is IAcceptsModifierBlink) AvailableModifiers.Add(ModifierBlink.UiName);
         if (model is IAcceptsModifierColor) AvailableModifiers.Add(ModifierColor.UiName);
@@ -114,6 +115,8 @@ partial void OnRotationChanged(int value)
 
     public ObservableCollection<ModifierViewModel> Modifiers { get; } = [];
 
+    public bool HasModifiers => Modifiers.Count > 0;
+
     [ObservableProperty]
     [NotifyPropertyChangedFor(nameof(IsModifierSelected))]
     private ModifierViewModel? _selectedModifier;

StreamDeckSimHub.Plugin/ActionEditor/Views/DisplayItemView.xaml

@@ -11,6 +11,7 @@
              d:DesignHeight="600" d:DesignWidth="750">
 
     <UserControl.Resources>
+        <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
         <DataTemplate DataType="{x:Type viewModels:DisplayItemImageViewModel}">
             <local:DisplayItemImageView />
         </DataTemplate>
@@ -45,7 +46,14 @@
             <TabItem Header="Element">
                 <controls:DisplayItemControl />
             </TabItem>
-            <TabItem Header="Modifiers">
+            <TabItem>
+                <TabItem.Header>
+                    <StackPanel Orientation="Horizontal">
+                        <TextBlock Text="Modifiers" />
+                        <Ellipse Width="7" Height="7" Fill="#607D8B" Margin="5,0,0,0" VerticalAlignment="Center"
+                                 Visibility="{Binding HasModifiers, Converter={StaticResource BooleanToVisibilityConverter}}" />
+                    </StackPanel>
+                </TabItem.Header>
                 <controls:ModifiersControl />
             </TabItem>
         </TabControl>