UI - Streamlined VM names

src/Artemis.UI.Shared/Extensions/LayerPropertyExtensions.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Reactive.Linq;
+using Artemis.Core;
+
+namespace Artemis.UI.Shared.Extensions;
+
+/// <summary>
+///     Provides utilities when working with layer properties in a UI context.
+/// </summary>
+public static class LayerPropertyExtensions
+{
+    /// <summary>
+    /// Returns an observable sequence of layer property values starting with the current value.
+    /// </summary>
+    /// <param name="layerProperty">The layer property to create the sequence of.</param>
+    /// <typeparam name="T">The value type of the layer property.</typeparam>
+    /// <returns>An observable sequence of layer property values starting with the current value.</returns>
+    public static IObservable<T> AsObservable<T>(this LayerProperty<T> layerProperty)
+    {
+        return Observable.FromEventPattern<LayerPropertyEventArgs>(x => layerProperty.Updated += x, x => layerProperty.Updated -= x)
+            .Select(_ => layerProperty.CurrentValue)
+            .StartWith(layerProperty.CurrentValue);
+    }
+}