Profile tree - Implemented proper copy/pasting

src/Artemis.Core/Models/Profile/Folder.cs

@@ -33,7 +33,13 @@ namespace Artemis.Core
             Parent.AddChild(this);
         }
 
-        internal Folder(Profile profile, ProfileElement parent, FolderEntity folderEntity) : base(parent.Profile)
+        /// <summary>
+        ///     Creates a new instance of the <see cref="Folder" /> class based on the provided folder entity
+        /// </summary>
+        /// <param name="profile">The profile the folder belongs to</param>
+        /// <param name="parent">The parent of the folder</param>
+        /// <param name="folderEntity">The entity of the folder</param>
+        public Folder(Profile profile, ProfileElement parent, FolderEntity folderEntity) : base(parent.Profile)
         {
             FolderEntity = folderEntity;
             EntityId = folderEntity.Id;

src/Artemis.Core/Models/Profile/Layer.cs

@@ -122,29 +122,6 @@ namespace Artemis.Core
 
         internal override RenderElementEntity RenderElementEntity => LayerEntity;
 
-        /// <summary>
-        ///     Creates a deep copy of the layer
-        /// </summary>
-        /// <returns>The newly created copy</returns>
-        public Layer CreateCopy()
-        {
-            if (Parent == null)
-                throw new ArtemisCoreException("Cannot create a copy of a layer without a parent");
-
-            LayerEntity entityCopy = CoreJson.DeserializeObject<LayerEntity>(CoreJson.SerializeObject(LayerEntity, true), true)!;
-            entityCopy.Id = Guid.NewGuid();
-            entityCopy.Name += " - Copy";
-
-            Layer copy = new Layer(Profile, Parent, entityCopy);
-            if (LayerBrush?.Descriptor != null)
-                copy.ChangeLayerBrush(LayerBrush.Descriptor);
-            copy.AddLeds(Leds);
-
-            Parent.AddChild(copy, Order + 1);
-
-            return copy;
-        }
-
         /// <inheritdoc />
         public override List<ILayerProperty> GetAllLayerProperties()
         {
@@ -399,7 +376,14 @@ namespace Artemis.Core
             }
             finally
             {
-                canvas.Restore();
+                try
+                {
+                    canvas.Restore();
+                }
+                catch
+                {
+                    // ignored
+                }
                 Renderer.Close();
             }
         }

src/Artemis.Core/Models/Profile/Profile.cs

@@ -12,8 +12,8 @@ namespace Artemis.Core
     /// </summary>
     public sealed class Profile : ProfileElement
     {
-        private bool _isActivated;
         private readonly object _lock = new object();
+        private bool _isActivated;
 
         internal Profile(ProfileModule module, string name) : base(null!)
         {
@@ -57,7 +57,10 @@ namespace Artemis.Core
             private set => SetAndNotify(ref _isActivated, value);
         }
 
-        internal ProfileEntity ProfileEntity { get; set; }
+        /// <summary>
+        ///     Gets the profile entity this profile uses for persistent storage
+        /// </summary>
+        public ProfileEntity ProfileEntity { get; internal set; }
 
         internal Stack<string> UndoStack { get; set; }
         internal Stack<string> RedoStack { get; set; }
@@ -118,6 +121,19 @@ namespace Artemis.Core
             return $"[Profile] {nameof(Name)}: {Name}, {nameof(IsActivated)}: {IsActivated}, {nameof(Module)}: {Module}";
         }
 
+        /// <summary>
+        ///     Populates all the LEDs on the elements in this profile
+        /// </summary>
+        /// <param name="surface">The currently active surface that contains the LEDs</param>
+        public void PopulateLeds(ArtemisSurface surface)
+        {
+            if (Disposed)
+                throw new ObjectDisposedException("Profile");
+
+            foreach (Layer layer in GetAllLayers())
+                layer.PopulateLeds(surface);
+        }
+
         /// <inheritdoc />
         protected override void Dispose(bool disposing)
         {
@@ -196,15 +212,6 @@ namespace Artemis.Core
             }
         }
 
-        internal void PopulateLeds(ArtemisSurface surface)
-        {
-            if (Disposed)
-                throw new ObjectDisposedException("Profile");
-
-            foreach (Layer layer in GetAllLayers())
-                layer.PopulateLeds(surface);
-        }
-
         #region Events
 
         /// <summary>

src/Artemis.Core/Utilities/CoreJson.cs

@@ -5,7 +5,10 @@ using Newtonsoft.Json;
 
 namespace Artemis.Core
 {
-    internal static class CoreJson
+    /// <summary>
+    ///     A static helper class that serializes and deserializes JSON with the Artemis Core JSON settings
+    /// </summary>
+    public static class CoreJson
     {
         #region Serialize