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
 

src/Artemis.Storage/Entities/Profile/Abstract/RenderElementEntity.cs

@@ -6,6 +6,9 @@ namespace Artemis.Storage.Entities.Profile.Abstract
 {
     public abstract class RenderElementEntity
     {
+        public Guid Id { get; set; }
+        public Guid ParentId { get; set; }
+
         public List<LayerEffectEntity> LayerEffects { get; set; }
         public List<PropertyEntity> PropertyEntities { get; set; }
         public List<string> ExpandedPropertyGroups { get; set; }

src/Artemis.Storage/Entities/Profile/FolderEntity.cs

@@ -14,9 +14,6 @@ namespace Artemis.Storage.Entities.Profile
             ExpandedPropertyGroups = new List<string>();
         }
 
-        public Guid Id { get; set; }
-        public Guid ParentId { get; set; }
-
         public int Order { get; set; }
         public string Name { get; set; }
         public bool Enabled { get; set; }

src/Artemis.Storage/Entities/Profile/LayerEntity.cs

@@ -15,9 +15,6 @@ namespace Artemis.Storage.Entities.Profile
             ExpandedPropertyGroups = new List<string>();
         }
 
-        public Guid Id { get; set; }
-        public Guid ParentId { get; set; }
-
         public int Order { get; set; }
         public string Name { get; set; }
         public bool Enabled { get; set; }

src/Artemis.UI.Shared/Services/Interfaces/IProfileEditorService.cs

@@ -92,46 +92,6 @@ namespace Artemis.UI.Shared.Services
         /// <returns>The current module the profile editor is initialized for</returns>
         ProfileModule? GetCurrentModule();
 
-        /// <summary>
-        ///     Occurs when a new profile is selected
-        /// </summary>
-        event EventHandler<ProfileEventArgs> ProfileSelected;
-
-        /// <summary>
-        ///     Occurs then the currently selected profile is updated
-        /// </summary>
-        event EventHandler<ProfileEventArgs> SelectedProfileUpdated;
-
-        /// <summary>
-        ///     Occurs when a new profile element is selected
-        /// </summary>
-        event EventHandler<RenderProfileElementEventArgs> ProfileElementSelected;
-
-        /// <summary>
-        ///     Occurs when the currently selected profile element is updated
-        /// </summary>
-        event EventHandler<RenderProfileElementEventArgs> SelectedProfileElementUpdated;
-
-        /// <summary>
-        ///     Occurs when the currently selected data binding layer property is changed
-        /// </summary>
-        event EventHandler SelectedDataBindingChanged;
-
-        /// <summary>
-        ///     Occurs when the current editor time is changed
-        /// </summary>
-        event EventHandler CurrentTimeChanged;
-
-        /// <summary>
-        ///     Occurs when the pixels per second (zoom level) is changed
-        /// </summary>
-        event EventHandler PixelsPerSecondChanged;
-
-        /// <summary>
-        ///     Occurs when the profile preview has been updated
-        /// </summary>
-        event EventHandler ProfilePreviewUpdated;
-
         /// <summary>
         ///     Registers a new property input view model used in the profile editor for the generic type defined in
         ///     <see cref="PropertyInputViewModel{T}" />
@@ -174,5 +134,66 @@ namespace Artemis.UI.Shared.Services
         ///     <typeparamref name="T" />
         /// </summary>
         PropertyInputViewModel<T>? CreatePropertyInputViewModel<T>(LayerProperty<T> layerProperty);
+
+        /// <summary>
+        ///     Duplicates the provided profile element placing it in the same folder and one position higher
+        /// </summary>
+        /// <param name="profileElement">The profile element to duplicate</param>
+        /// <returns>The duplicated profile element</returns>
+        ProfileElement? DuplicateProfileElement(ProfileElement profileElement);
+
+        /// <summary>
+        ///     Copies the provided profile element onto the clipboard
+        /// </summary>
+        /// <param name="profileElement">The profile element to copy</param>
+        void CopyProfileElement(ProfileElement profileElement);
+
+        /// <summary>
+        ///     Pastes a render profile element from the clipboard into the target folder
+        /// </summary>
+        /// <param name="target">The folder to paste the render element in to</param>
+        /// <param name="position">The position at which to paste the element</param>
+        /// <returns>The pasted render element</returns>
+        ProfileElement? PasteProfileElement(Folder target, int position);
+
+        /// <summary>
+        ///     Occurs when a new profile is selected
+        /// </summary>
+        event EventHandler<ProfileEventArgs> ProfileSelected;
+
+        /// <summary>
+        ///     Occurs then the currently selected profile is updated
+        /// </summary>
+        event EventHandler<ProfileEventArgs> SelectedProfileUpdated;
+
+        /// <summary>
+        ///     Occurs when a new profile element is selected
+        /// </summary>
+        event EventHandler<RenderProfileElementEventArgs> ProfileElementSelected;
+
+        /// <summary>
+        ///     Occurs when the currently selected profile element is updated
+        /// </summary>
+        event EventHandler<RenderProfileElementEventArgs> SelectedProfileElementUpdated;
+
+        /// <summary>
+        ///     Occurs when the currently selected data binding layer property is changed
+        /// </summary>
+        event EventHandler SelectedDataBindingChanged;
+
+        /// <summary>
+        ///     Occurs when the current editor time is changed
+        /// </summary>
+        event EventHandler CurrentTimeChanged;
+
+        /// <summary>
+        ///     Occurs when the pixels per second (zoom level) is changed
+        /// </summary>
+        event EventHandler PixelsPerSecondChanged;
+
+        /// <summary>
+        ///     Occurs when the profile preview has been updated
+        /// </summary>
+        event EventHandler ProfilePreviewUpdated;
     }
 }

src/Artemis.UI.Shared/Services/Models/FolderClipboardModel.cs

@@ -0,0 +1,79 @@
+using System;
+using System.Collections.Generic;
+using Artemis.Core;
+using Artemis.Storage.Entities.Profile;
+using Artemis.Storage.Entities.Profile.Abstract;
+
+namespace Artemis.UI.Shared.Services.Models
+{
+    internal class FolderClipboardModel
+    {
+        public FolderClipboardModel(Folder folder)
+        {
+            FolderEntity = folder.FolderEntity;
+            Folders = new List<FolderEntity>();
+            Layers = new List<LayerEntity>();
+            foreach (Folder allFolder in folder.GetAllFolders())
+                Folders.Add(allFolder.FolderEntity);
+            foreach (Layer allLayer in folder.GetAllLayers())
+                Layers.Add(allLayer.LayerEntity);
+        }
+
+        // ReSharper disable once UnusedMember.Global - For JSON.NET
+        public FolderClipboardModel()
+        {
+            FolderEntity = null;
+            Folders = new List<FolderEntity>();
+            Layers = new List<LayerEntity>();
+        }
+
+        public FolderEntity? FolderEntity { get; set; }
+        public List<FolderEntity> Folders { get; set; }
+        public List<LayerEntity> Layers { get; set; }
+        public bool HasBeenPasted { get; set; }
+
+        public Folder Paste(Profile profile, ProfileElement parent)
+        {
+            if (FolderEntity == null)
+                throw new ArtemisSharedUIException("Couldn't paste folder because FolderEntity deserialized as null");
+            if (HasBeenPasted)
+                throw new ArtemisSharedUIException("Clipboard model can only be pasted once");
+
+            HasBeenPasted = true;
+
+            // Generate new GUIDs
+            ReplaceGuid(FolderEntity);
+            foreach (FolderEntity folderEntity in Folders)
+                ReplaceGuid(folderEntity);
+            foreach (LayerEntity layerEntity in Layers)
+                ReplaceGuid(layerEntity);
+
+            // Inject the pasted elements into the profile
+            profile.ProfileEntity.Folders.AddRange(Folders);
+            profile.ProfileEntity.Layers.AddRange(Layers);
+
+            // Let the folder initialize and load as usual
+            FolderEntity.Name += " - copy";
+            Folder folder = new Folder(profile, parent, FolderEntity);
+            return folder;
+        }
+
+        private void ReplaceGuid(RenderElementEntity parent)
+        {
+            Guid old = parent.Id;
+            parent.Id = Guid.NewGuid();
+
+            foreach (FolderEntity child in Folders)
+            {
+                if (child.ParentId == old)
+                    child.ParentId = parent.Id;
+            }
+
+            foreach (LayerEntity child in Layers)
+            {
+                if (child.ParentId == old)
+                    child.ParentId = parent.Id;
+            }
+        }
+    }
+}

src/Artemis.UI.Shared/Services/ProfileEditorService.cs

@@ -5,6 +5,9 @@ using System.Linq;
 using Artemis.Core;
 using Artemis.Core.Modules;
 using Artemis.Core.Services;
+using Artemis.Storage.Entities.Profile;
+using Artemis.UI.Shared.Services.Models;
+using Newtonsoft.Json;
 using Ninject;
 using Ninject.Parameters;
 using Serilog;
@@ -14,23 +17,25 @@ namespace Artemis.UI.Shared.Services
 {
     internal class ProfileEditorService : IProfileEditorService
     {
-        private readonly ILogger _logger;
         private readonly ICoreService _coreService;
+        private readonly ISurfaceService _surfaceService;
+        private readonly IKernel _kernel;
+        private readonly ILogger _logger;
         private readonly IProfileService _profileService;
         private readonly List<PropertyInputRegistration> _registeredPropertyEditors;
         private readonly object _selectedProfileElementLock = new object();
         private readonly object _selectedProfileLock = new object();
         private TimeSpan _currentTime;
         private int _pixelsPerSecond;
-        private readonly IKernel _kernel;
 
-        public ProfileEditorService(IProfileService profileService, IKernel kernel, ILogger logger, ICoreService coreService)
+        public ProfileEditorService(IKernel kernel, ILogger logger, IProfileService profileService, ICoreService coreService, ISurfaceService surfaceService)
         {
-            _profileService = profileService;
-            _logger = logger;
-            _coreService = coreService;
-            _registeredPropertyEditors = new List<PropertyInputRegistration>();
             _kernel = kernel;
+            _logger = logger;
+            _profileService = profileService;
+            _coreService = coreService;
+            _surfaceService = surfaceService;
+            _registeredPropertyEditors = new List<PropertyInputRegistration>();
 
             PixelsPerSecond = 100;
         }
@@ -41,6 +46,30 @@ namespace Artemis.UI.Shared.Services
             Execute.PostToUIThread(OnProfilePreviewUpdated);
         }
 
+        private void ReloadProfile()
+        {
+            if (SelectedProfile == null)
+                return;
+
+            // Trigger a profile change
+            OnSelectedProfileChanged(new ProfileEventArgs(SelectedProfile, SelectedProfile));
+            // Trigger a selected element change
+            RenderProfileElement? previousSelectedProfileElement = SelectedProfileElement;
+            if (SelectedProfileElement is Folder folder)
+                SelectedProfileElement = SelectedProfile.GetAllFolders().FirstOrDefault(f => f.EntityId == folder.EntityId);
+            else if (SelectedProfileElement is Layer layer)
+                SelectedProfileElement = SelectedProfile.GetAllLayers().FirstOrDefault(l => l.EntityId == layer.EntityId);
+            OnSelectedProfileElementChanged(new RenderProfileElementEventArgs(SelectedProfileElement, previousSelectedProfileElement));
+            // Trigger selected data binding change
+            if (SelectedDataBinding != null)
+            {
+                SelectedDataBinding = SelectedProfileElement?.GetAllLayerProperties().FirstOrDefault(p => p.Path == SelectedDataBinding.Path);
+                OnSelectedDataBindingChanged();
+            }
+
+            UpdateProfilePreview();
+        }
+
         public ReadOnlyCollection<PropertyInputRegistration> RegisteredPropertyEditors => _registeredPropertyEditors.AsReadOnly();
         public Profile? SelectedProfile { get; private set; }
         public RenderProfileElement? SelectedProfileElement { get; private set; }
@@ -107,7 +136,7 @@ namespace Artemis.UI.Shared.Services
                     return;
 
                 _profileService.UpdateProfile(SelectedProfile, true);
-                OnSelectedProfileChanged(new ProfileEventArgs(SelectedProfile));
+                OnSelectedProfileUpdated(new ProfileEventArgs(SelectedProfile));
                 UpdateProfilePreview();
             }
         }
@@ -206,7 +235,7 @@ namespace Artemis.UI.Shared.Services
                 if (supportedType.IsGenericParameter)
                 {
                     if (supportedType.BaseType == null)
-                        throw new ArtemisSharedUIException($"Generic property input VM type must have a type constraint");
+                        throw new ArtemisSharedUIException("Generic property input VM type must have a type constraint");
                     supportedType = supportedType.BaseType;
                 }
 
@@ -258,11 +287,9 @@ namespace Artemis.UI.Shared.Services
             }
 
             if (snapToCurrentTime)
-            {
                 // Snap to the current time
                 if (Math.Abs(time.TotalMilliseconds - CurrentTime.TotalMilliseconds) < tolerance.TotalMilliseconds)
                     return CurrentTime;
-            }
 
             if (snapTimes != null)
             {
@@ -289,9 +316,13 @@ namespace Artemis.UI.Shared.Services
                     viewModelType = registration.ViewModelType.MakeGenericType(layerProperty.GetType().GenericTypeArguments);
             }
             else if (registration != null)
+            {
                 viewModelType = registration.ViewModelType;
+            }
             else
+            {
                 return null;
+            }
 
             if (viewModelType == null)
                 return null;
@@ -308,30 +339,80 @@ namespace Artemis.UI.Shared.Services
             return SelectedProfile?.Module;
         }
 
-        private void ReloadProfile()
+        #region Copy/paste
-        {
-            if (SelectedProfile == null)
-                return;
 
-            // Trigger a profile change
+        public ProfileElement? DuplicateProfileElement(ProfileElement profileElement)
-            OnSelectedProfileChanged(new ProfileEventArgs(SelectedProfile, SelectedProfile));
+        {
-            // Trigger a selected element change
+            if (!(profileElement.Parent is Folder parent))
-            RenderProfileElement? previousSelectedProfileElement = SelectedProfileElement;
+                return null;
-            if (SelectedProfileElement is Folder folder)
+
-                SelectedProfileElement = SelectedProfile.GetAllFolders().FirstOrDefault(f => f.EntityId == folder.EntityId);
+            object? clipboardModel = null;
-            else if (SelectedProfileElement is Layer layer)
+            switch (profileElement)
-                SelectedProfileElement = SelectedProfile.GetAllLayers().FirstOrDefault(l => l.EntityId == layer.EntityId);
-            OnSelectedProfileElementChanged(new RenderProfileElementEventArgs(SelectedProfileElement, previousSelectedProfileElement));
-            // Trigger selected data binding change
-            if (SelectedDataBinding != null)
             {
-                SelectedDataBinding = SelectedProfileElement?.GetAllLayerProperties().FirstOrDefault(p => p.Path == SelectedDataBinding.Path);
+                case Folder folder:
-                OnSelectedDataBindingChanged();
+                {
+                    clipboardModel = CoreJson.DeserializeObject(CoreJson.SerializeObject(new FolderClipboardModel(folder), true), true);
+                    break;
+                }
+                case Layer layer:
+                    clipboardModel = CoreJson.DeserializeObject(CoreJson.SerializeObject(layer.LayerEntity, true), true);
+                    break;
             }
 
-            UpdateProfilePreview();
+            return clipboardModel == null ? null : PasteClipboardData(clipboardModel, parent, profileElement.Order);
         }
 
+        public void CopyProfileElement(ProfileElement profileElement)
+        {
+            switch (profileElement)
+            {
+                case Folder folder:
+                {
+                    FolderClipboardModel clipboardModel = new FolderClipboardModel(folder);
+                    JsonClipboard.SetObject(clipboardModel);
+                    break;
+                }
+                case Layer layer:
+                    JsonClipboard.SetObject(layer.LayerEntity);
+                    break;
+            }
+        }
+
+        public ProfileElement? PasteProfileElement(Folder target, int position)
+        {
+            object? clipboardObject = JsonClipboard.GetData();
+            return clipboardObject != null ? PasteClipboardData(clipboardObject, target, position) : null;
+        }
+
+        private RenderProfileElement? PasteClipboardData(object clipboardObject, Folder target, int position)
+        {
+            RenderProfileElement? pasted = null;
+            switch (clipboardObject)
+            {
+                case FolderClipboardModel folderClipboardModel:
+                    pasted = folderClipboardModel.Paste(target.Profile, target);
+                    target.AddChild(pasted, position);
+                    break;
+                case LayerEntity layerEntity:
+                    layerEntity.Id = Guid.NewGuid();
+                    layerEntity.Name += " - copy";
+                    pasted = new Layer(target.Profile, target, layerEntity);
+                    target.AddChild(pasted, position);
+                    break;
+            }
+
+            if (pasted != null)
+            {
+                target.Profile.PopulateLeds(_surfaceService.ActiveSurface);
+                UpdateSelectedProfile();
+                ChangeSelectedProfileElement(pasted);
+            }
+
+            return pasted;
+        }
+
+        #endregion
+
         #region Events
 
         public event EventHandler<ProfileEventArgs>? ProfileSelected;
@@ -396,6 +477,5 @@ namespace Artemis.UI.Shared.Services
         }
 
         #endregion
-
     }
 }

src/Artemis.UI.Shared/Utilities/JsonClipboard.cs

@@ -0,0 +1,58 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Windows;
+using Newtonsoft.Json;
+
+namespace Artemis.UI.Shared
+{
+    /// <summary>
+    ///     Provides access to the clipboard via JSON-serialized objects
+    /// </summary>
+    public static class JsonClipboard
+    {
+        private static readonly JsonSerializerSettings JsonSettings = new JsonSerializerSettings {TypeNameHandling = TypeNameHandling.All};
+
+        /// <summary>
+        ///     Sets the provided object on the clipboard
+        /// </summary>
+        /// <param name="clipboardObject">The object to set on the clipboard</param>
+        public static void SetObject(object clipboardObject)
+        {
+            string json = JsonConvert.SerializeObject(clipboardObject, JsonSettings);
+            Clipboard.SetData("Artemis", json);
+        }
+
+        /// <summary>
+        ///     If set, gets the current object off of the clipboard
+        /// </summary>
+        /// <returns>The object that is on the clipboard, if none is set <see langword="null" />.</returns>
+        public static object? GetData()
+        {
+            string? json = Clipboard.GetData("Artemis")?.ToString();
+            return json != null ? JsonConvert.DeserializeObject(json, JsonSettings) : null;
+        }
+
+        /// <summary>
+        ///     If set, gets the current object of type <typeparamref name="T" /> off of the clipboard
+        /// </summary>
+        /// <typeparam name="T">The type of object to get</typeparam>
+        /// <returns>
+        ///     The object that is on the clipboard. If none is set or not of type <typeparamref name="T" />,
+        ///     <see langword="null" />.
+        /// </returns>
+        [return: MaybeNull]
+        public static T GetData<T>()
+        {
+            object? data = GetData();
+            return data is T castData ? castData : default;
+        }
+
+        /// <summary>
+        ///     Determines whether the clipboard currently contains Artemis data
+        /// </summary>
+        /// <returns><see langword="true" /> if the clipboard contains Artemis data, otherwise <see langword="false" /></returns>
+        public static bool ContainsArtemisData()
+        {
+            return Clipboard.ContainsData("Artemis");
+        }
+    }
+}

src/Artemis.UI/Behaviors/TreeViewSelectionBehavior.cs

@@ -104,9 +104,16 @@ namespace Artemis.UI.Behaviors
             if (SelectedItem == model && !item.IsSelected)
             {
                 item.IsSelected = true;
+                // Focus the newly selected item as if was clicked
+                item.Focus();
                 if (ExpandSelected)
                     item.IsExpanded = true;
             }
+            else if (SelectedItem == model && !item.IsFocused)
+            {
+                // Focus the newly selected item as if was clicked
+                item.Focus();
+            }
             // If the selected item is a parent of this model - expand
             else
             {
@@ -117,14 +124,12 @@ namespace Artemis.UI.Behaviors
 
             // Recurse into children
             if (recurse)
-            {
                 foreach (object subitem in item.Items)
                 {
                     TreeViewItem tvi = item.ItemContainerGenerator.ContainerFromItem(subitem) as TreeViewItem;
                     if (tvi != null)
                         UpdateTreeViewItem(tvi, true);
                 }
-            }
         }
 
         // Update state of all items
@@ -143,11 +148,9 @@ namespace Artemis.UI.Behaviors
         private void UpdateTreeViewItemStyle()
         {
             if (AssociatedObject.ItemContainerStyle == null)
-            {
                 AssociatedObject.ItemContainerStyle = new Style(
                     typeof(TreeViewItem),
                     Application.Current.TryFindResource(typeof(TreeViewItem)) as Style);
-            }
 
             if (!AssociatedObject.ItemContainerStyle.Setters.Contains(_treeViewItemEventSetter))
                 AssociatedObject.ItemContainerStyle.Setters.Add(_treeViewItemEventSetter);

src/Artemis.UI/Extensions/ScreenExtensions.cs

@@ -0,0 +1,20 @@
+using Stylet;
+
+namespace Artemis.UI.Extensions
+{
+    public static class ScreenExtensions
+    {
+        public static T FindScreenOfType<T>(this Screen screen) where T : Screen
+        {
+            Screen parent = screen.Parent as Screen;
+            while (parent != null)
+            {
+                if (parent is T match)
+                    return match;
+                parent = parent.Parent as Screen;
+            }
+
+            return default;
+        }
+    }
+}

src/Artemis.UI/Screens/ProfileEditor/ProfileTree/ProfileTreeView.xaml

@@ -34,10 +34,11 @@
                       dd:DragDrop.IsDropTarget="True"
                       dd:DragDrop.DropHandler="{Binding}">
                 <TreeView.InputBindings>
-                    <KeyBinding Key="F2" Command="{s:Action RenameElement}" s:View.ActionTarget="{Binding SelectedTreeItem}"/>
+                    <KeyBinding Key="F2" Command="{s:Action RenameElement}" s:View.ActionTarget="{Binding SelectedTreeItem}" />
-                    <KeyBinding Key="Delete" Command="{s:Action DeleteElement}" s:View.ActionTarget="{Binding SelectedTreeItem}"/>
+                    <KeyBinding Key="Delete" Command="{s:Action DeleteElement}" s:View.ActionTarget="{Binding SelectedTreeItem}" />
-                    <KeyBinding Key="C" Modifiers="Control"  Command="{s:Action CopyElement}" s:View.ActionTarget="{Binding SelectedTreeItem}"/>
+                    <KeyBinding Key="D" Modifiers="Control" Command="{s:Action DuplicateElement}" s:View.ActionTarget="{Binding SelectedTreeItem}" />
-                    <KeyBinding Key="V" Modifiers="Control"  Command="{s:Action PasteElement}" s:View.ActionTarget="{Binding SelectedTreeItem}"/>
+                    <KeyBinding Key="C" Modifiers="Control" Command="{s:Action CopyElement}" s:View.ActionTarget="{Binding SelectedTreeItem}" />
+                    <KeyBinding Key="V" Modifiers="Control" Command="{s:Action PasteElement}" s:View.ActionTarget="{Binding SelectedTreeItem}" />
                 </TreeView.InputBindings>
                 <b:Interaction.Behaviors>
                     <behaviors:TreeViewSelectionBehavior ExpandSelected="True" SelectedItem="{Binding SelectedTreeItem}" />

src/Artemis.UI/Screens/ProfileEditor/ProfileTree/ProfileTreeViewModel.cs

@@ -13,8 +13,8 @@ namespace Artemis.UI.Screens.ProfileEditor.ProfileTree
 {
     public class ProfileTreeViewModel : Conductor<FolderViewModel>, IProfileEditorPanelViewModel, IDropTarget
     {
-        private readonly IProfileTreeVmFactory _profileTreeVmFactory;
         private readonly IProfileEditorService _profileEditorService;
+        private readonly IProfileTreeVmFactory _profileTreeVmFactory;
         private TreeItemViewModel _selectedTreeItem;
         private bool _updatingTree;
 
@@ -41,6 +41,73 @@ namespace Artemis.UI.Screens.ProfileEditor.ProfileTree
             }
         }
 
+        // ReSharper disable once UnusedMember.Global - Called from view
+        public void AddFolder()
+        {
+            ActiveItem?.AddFolder();
+        }
+
+        // ReSharper disable once UnusedMember.Global - Called from view
+        public void AddLayer()
+        {
+            ActiveItem?.AddLayer();
+        }
+
+        protected override void OnInitialActivate()
+        {
+            Subscribe();
+            base.OnInitialActivate();
+        }
+
+        protected override void OnClose()
+        {
+            Unsubscribe();
+            base.OnClose();
+        }
+
+        private void CreateRootFolderViewModel()
+        {
+            _updatingTree = true;
+            ProfileElement firstChild = _profileEditorService.SelectedProfile?.Children?.FirstOrDefault();
+            if (!(firstChild is Folder folder))
+            {
+                ActivateItem(null);
+                return;
+            }
+
+            ActivateItem(_profileTreeVmFactory.FolderViewModel(folder));
+            _updatingTree = false;
+        }
+
+        private static DragDropType GetDragDropType(IDropInfo dropInfo)
+        {
+            TreeItemViewModel source = (TreeItemViewModel) dropInfo.Data;
+            TreeItemViewModel target = (TreeItemViewModel) dropInfo.TargetItem;
+            if (source == target)
+                return DragDropType.None;
+
+            TreeItemViewModel parent = target;
+            while (parent != null)
+            {
+                if (parent == source)
+                    return DragDropType.None;
+                parent = parent.Parent as TreeItemViewModel;
+            }
+
+            switch (dropInfo.InsertPosition)
+            {
+                case RelativeInsertPosition.AfterTargetItem | RelativeInsertPosition.TargetItemCenter:
+                case RelativeInsertPosition.BeforeTargetItem | RelativeInsertPosition.TargetItemCenter:
+                    return target.SupportsChildren ? DragDropType.Add : DragDropType.None;
+                case RelativeInsertPosition.BeforeTargetItem:
+                    return DragDropType.InsertBefore;
+                case RelativeInsertPosition.AfterTargetItem:
+                    return DragDropType.InsertAfter;
+                default:
+                    return DragDropType.None;
+            }
+        }
+
         public void DragOver(IDropInfo dropInfo)
         {
             DragDropType dragDropType = GetDragDropType(dropInfo);
@@ -84,80 +151,6 @@ namespace Artemis.UI.Screens.ProfileEditor.ProfileTree
             Subscribe();
         }
 
-        // ReSharper disable once UnusedMember.Global - Called from view
-        public void AddFolder()
-        {
-            ActiveItem?.AddFolder();
-        }
-
-        // ReSharper disable once UnusedMember.Global - Called from view
-        public void AddLayer()
-        {
-            ActiveItem?.AddLayer();
-        }
-
-        protected override void OnInitialActivate()
-        {
-            Subscribe();
-            base.OnInitialActivate();
-        }
-
-        protected override void OnClose()
-        {
-            Unsubscribe();
-            base.OnClose();
-        }
-
-        private void CreateRootFolderViewModel()
-        {
-            _updatingTree = true;
-            ProfileElement firstChild = _profileEditorService.SelectedProfile?.Children?.FirstOrDefault();
-            if (!(firstChild is Folder folder))
-            {
-                ActivateItem(null);
-                return;
-            }
-
-            ActivateItem(_profileTreeVmFactory.FolderViewModel(folder));
-            _updatingTree = false;
-
-            // Auto-select the first layer
-            // if (_profileEditorService.SelectedProfile != null && SelectedTreeItem == null)
-            // {
-            //     if (_profileEditorService.SelectedProfile.GetRootFolder().Children.FirstOrDefault() is RenderProfileElement firstElement)
-            //         Execute.PostToUIThread(() => _profileEditorService.ChangeSelectedProfileElement(firstElement));
-            // }
-        }
-
-        private static DragDropType GetDragDropType(IDropInfo dropInfo)
-        {
-            TreeItemViewModel source = (TreeItemViewModel) dropInfo.Data;
-            TreeItemViewModel target = (TreeItemViewModel) dropInfo.TargetItem;
-            if (source == target)
-                return DragDropType.None;
-
-            TreeItemViewModel parent = target;
-            while (parent != null)
-            {
-                if (parent == source)
-                    return DragDropType.None;
-                parent = parent.Parent as TreeItemViewModel;
-            }
-
-            switch (dropInfo.InsertPosition)
-            {
-                case RelativeInsertPosition.AfterTargetItem | RelativeInsertPosition.TargetItemCenter:
-                case RelativeInsertPosition.BeforeTargetItem | RelativeInsertPosition.TargetItemCenter:
-                    return target.SupportsChildren ? DragDropType.Add : DragDropType.None;
-                case RelativeInsertPosition.BeforeTargetItem:
-                    return DragDropType.InsertBefore;
-                case RelativeInsertPosition.AfterTargetItem:
-                    return DragDropType.InsertAfter;
-                default:
-                    return DragDropType.None;
-            }
-        }
-
         #region Event handlers
 
         private void Subscribe()
@@ -187,7 +180,9 @@ namespace Artemis.UI.Screens.ProfileEditor.ProfileTree
             ActiveItem.UpdateProfileElements();
             _updatingTree = false;
             if (e.RenderProfileElement == null)
+            {
                 SelectedTreeItem = null;
+            }
             else
             {
                 TreeItemViewModel match = ActiveItem.GetAllChildren().FirstOrDefault(vm => vm.ProfileElement == e.RenderProfileElement);

src/Artemis.UI/Screens/ProfileEditor/ProfileTree/TreeItem/FolderView.xaml

@@ -13,17 +13,6 @@
     <StackPanel Margin="-10" Background="Transparent">
         <StackPanel.ContextMenu>
             <ContextMenu>
-                <MenuItem Header="Rename" Command="{s:Action RenameElement}">
-                    <MenuItem.Icon>
-                        <materialDesign:PackIcon Kind="RenameBox" />
-                    </MenuItem.Icon>
-                </MenuItem>
-                <MenuItem Header="Delete" Command="{s:Action DeleteElement}">
-                    <MenuItem.Icon>
-                        <materialDesign:PackIcon Kind="TrashCan" />
-                    </MenuItem.Icon>
-                </MenuItem>
-                <Separator />
                 <MenuItem Header="Add new folder" Command="{s:Action AddFolder}">
                     <MenuItem.Icon>
                         <materialDesign:PackIcon Kind="CreateNewFolder" />
@@ -34,6 +23,33 @@
                         <materialDesign:PackIcon Kind="LayersPlus" />
                     </MenuItem.Icon>
                 </MenuItem>
+                <Separator />
+                <MenuItem Header="Duplicate" Command="{s:Action DuplicateElement}" InputGestureText="Ctrl+D">
+                    <MenuItem.Icon>
+                        <materialDesign:PackIcon Kind="ContentDuplicate" />
+                    </MenuItem.Icon>
+                </MenuItem>
+                <MenuItem Header="Copy" Command="{s:Action CopyElement}" InputGestureText="Ctrl+C">
+                    <MenuItem.Icon>
+                        <materialDesign:PackIcon Kind="ContentCopy" />
+                    </MenuItem.Icon>
+                </MenuItem>
+                <MenuItem Header="Paste" Command="{s:Action PasteElement}" InputGestureText="Ctrl+V">
+                    <MenuItem.Icon>
+                        <materialDesign:PackIcon Kind="ContentPaste" />
+                    </MenuItem.Icon>
+                </MenuItem>
+                <Separator />
+                <MenuItem Header="Rename" Command="{s:Action RenameElement}" InputGestureText="F2">
+                    <MenuItem.Icon>
+                        <materialDesign:PackIcon Kind="RenameBox" />
+                    </MenuItem.Icon>
+                </MenuItem>
+                <MenuItem Header="Delete" Command="{s:Action DeleteElement}" InputGestureText="Del">
+                    <MenuItem.Icon>
+                        <materialDesign:PackIcon Kind="TrashCan" />
+                    </MenuItem.Icon>
+                </MenuItem>
             </ContextMenu>
         </StackPanel.ContextMenu>
         <Grid Margin="10">

src/Artemis.UI/Screens/ProfileEditor/ProfileTree/TreeItem/LayerView.xaml

@@ -13,17 +13,28 @@
     <StackPanel Margin="-10" Background="Transparent">
         <StackPanel.ContextMenu>
             <ContextMenu>
-                <MenuItem Header="Rename" Command="{s:Action RenameElement}">
+                <MenuItem Header="Duplicate" Command="{s:Action DuplicateElement}" InputGestureText="Ctrl+D">
                     <MenuItem.Icon>
-                        <materialDesign:PackIcon Kind="RenameBox" />
+                        <materialDesign:PackIcon Kind="ContentDuplicate" />
                     </MenuItem.Icon>
                 </MenuItem>
-                <MenuItem Header="Duplicate" Command="{s:Action DuplicateElement}">
+                <MenuItem Header="Copy" Command="{s:Action CopyElement}" InputGestureText="Ctrl+C">
                     <MenuItem.Icon>
                         <materialDesign:PackIcon Kind="ContentCopy" />
                     </MenuItem.Icon>
                 </MenuItem>
-                <MenuItem Header="Delete" Command="{s:Action DeleteElement}">
+                <MenuItem Header="Paste" Command="{s:Action PasteElement}" InputGestureText="Ctrl+V">
+                    <MenuItem.Icon>
+                        <materialDesign:PackIcon Kind="ContentPaste" />
+                    </MenuItem.Icon>
+                </MenuItem>
+                <Separator />
+                <MenuItem Header="Rename" Command="{s:Action RenameElement}" InputGestureText="F2">
+                    <MenuItem.Icon>
+                        <materialDesign:PackIcon Kind="RenameBox" />
+                    </MenuItem.Icon>
+                </MenuItem>
+                <MenuItem Header="Delete" Command="{s:Action DeleteElement}" InputGestureText="Del">
                     <MenuItem.Icon>
                         <materialDesign:PackIcon Kind="TrashCan" />
                     </MenuItem.Icon>

src/Artemis.UI/Screens/ProfileEditor/ProfileTree/TreeItem/LayerViewModel.cs

@@ -1,5 +1,4 @@
-using System.Threading.Tasks;
+using Artemis.Core;
-using Artemis.Core;
 using Artemis.Core.Services;
 using Artemis.UI.Ninject.Factories;
 using Artemis.UI.Shared.Services;
@@ -8,8 +7,6 @@ namespace Artemis.UI.Screens.ProfileEditor.ProfileTree.TreeItem
 {
     public class LayerViewModel : TreeItemViewModel
     {
-        private readonly IProfileEditorService _profileEditorService;
-
         public LayerViewModel(ProfileElement layer,
             IProfileEditorService profileEditorService,
             IDialogService dialogService,
@@ -18,15 +15,6 @@ namespace Artemis.UI.Screens.ProfileEditor.ProfileTree.TreeItem
             ISurfaceService surfaceService) :
             base(layer, profileEditorService, dialogService, profileTreeVmFactory, layerBrushService, surfaceService)
         {
-            _profileEditorService = profileEditorService;
-        }
-
-        public void DuplicateElement()
-        {
-            Layer layer = Layer.CreateCopy();
-            
-            _profileEditorService.UpdateSelectedProfile();
-            _profileEditorService.ChangeSelectedProfileElement(layer);
         }
 
         public Layer Layer => ProfileElement as Layer;

src/Artemis.UI/Screens/ProfileEditor/ProfileTree/TreeItem/TreeItemViewModel.cs

@@ -5,12 +5,11 @@ using System.Threading.Tasks;
 using Artemis.Core;
 using Artemis.Core.LayerBrushes;
 using Artemis.Core.Services;
-using Artemis.Storage.Entities.Profile;
 using Artemis.UI.Exceptions;
+using Artemis.UI.Extensions;
 using Artemis.UI.Ninject.Factories;
 using Artemis.UI.Screens.ProfileEditor.Dialogs;
 using Artemis.UI.Shared.Services;
-using Artemis.UI.Utilities;
 using Stylet;
 
 namespace Artemis.UI.Screens.ProfileEditor.ProfileTree.TreeItem
@@ -178,36 +177,44 @@ namespace Artemis.UI.Screens.ProfileEditor.ProfileTree.TreeItem
             if (!result)
                 return;
 
+            ProfileElement newSelection = null;
+            if (ProfileElement.Parent != null)
+            {
+                int index = ProfileElement.Parent.Children.IndexOf(ProfileElement);
+                // If there is a next element, select that
+                if (index < ProfileElement.Parent.Children.Count - 1)
+                    newSelection = ProfileElement.Parent.Children[index + 1];
+                // Otherwise select the previous element
+                else if (index > 0)
+                    newSelection = ProfileElement.Parent.Children[index - 1];
+                // And if that's not there, fall back to the parent
+                else
+                    newSelection = ProfileElement.Parent;
+            }
+
             // Farewell, cruel world
             TreeItemViewModel parent = (TreeItemViewModel) Parent;
             ProfileElement.Parent?.RemoveChild(ProfileElement);
             parent.RemoveExistingElement(this);
 
             _profileEditorService.UpdateSelectedProfile();
-            _profileEditorService.ChangeSelectedProfileElement(null);
+            _profileEditorService.ChangeSelectedProfileElement(newSelection as RenderProfileElement);
+        }
+
+        public void DuplicateElement()
+        {
+            _profileEditorService.DuplicateProfileElement(ProfileElement);
         }
 
         public void CopyElement()
         {
-            if (ProfileElement is Layer layer)
+            _profileEditorService.CopyProfileElement(ProfileElement);
-                JsonClipboard.SetObject(layer.LayerEntity);
-            else if (ProfileElement is Folder folder)
-                JsonClipboard.SetObject(folder.FolderEntity);
         }
 
         public void PasteElement()
         {
-            object? clipboardObject = JsonClipboard.GetData();
+            if (ProfileElement.Parent is Folder parent)
-            if (clipboardObject is LayerEntity layerEntity)
+                _profileEditorService.PasteProfileElement(parent, ProfileElement.Order);
-            {
-                layerEntity.Id = Guid.NewGuid();
-                layerEntity.Name += " - copy";
-                Layer pasted = new Layer(ProfileElement.Profile, ProfileElement.Parent, layerEntity);
-                ProfileElement.Parent.AddChild(pasted, ProfileElement.Order - 1);
-            }
-            else if (clipboardObject is FolderEntity folderEntity)
-            {
-            }
         }
 
         public void UpdateProfileElements()
@@ -217,19 +224,7 @@ namespace Artemis.UI.Screens.ProfileEditor.ProfileTree.TreeItem
             foreach (TreeItemViewModel treeItemViewModel in toRemove)
                 Items.Remove(treeItemViewModel);
 
-            // Order the children
+            // Add missing children
-            List<TreeItemViewModel> vmsList = Items.OrderBy(v => v.ProfileElement.Order).ToList();
-            for (int index = 0; index < vmsList.Count; index++)
-            {
-                TreeItemViewModel profileElementViewModel = vmsList[index];
-                if (Items.IndexOf(profileElementViewModel) != index)
-                    ((BindableCollection<TreeItemViewModel>) Items).Move(Items.IndexOf(profileElementViewModel), index);
-            }
-
-            // Ensure every child element has an up-to-date VM
-            if (ProfileElement.Children == null)
-                return;
-
             List<TreeItemViewModel> newChildren = new List<TreeItemViewModel>();
             foreach (ProfileElement profileElement in ProfileElement.Children.OrderBy(c => c.Order))
                 if (profileElement is Folder folder)
@@ -243,15 +238,15 @@ namespace Artemis.UI.Screens.ProfileEditor.ProfileTree.TreeItem
                         newChildren.Add(_profileTreeVmFactory.LayerViewModel(layer));
                 }
 
-            if (!newChildren.Any())
-                return;
-
             // Add the new children in one call, prevent extra UI events
             foreach (TreeItemViewModel treeItemViewModel in newChildren)
             {
                 treeItemViewModel.UpdateProfileElements();
                 Items.Add(treeItemViewModel);
             }
+
+            // Order the children
+            ((BindableCollection<TreeItemViewModel>) Items).Sort(i => i.ProfileElement.Order);
         }
 
         public void EnableToggled()

src/Artemis.UI/Screens/ProfileEditor/Visualization/ProfileViewModel.cs

@@ -382,6 +382,7 @@ namespace Artemis.UI.Screens.ProfileEditor.Visualization
             else
                 _previousSelectedLayer = null;
 
+            ApplyActiveProfile();
             UpdateLedsDimStatus();
             UpdateCanSelectEditTool();
         }

src/Artemis.UI/Utilities/ClipboardHelper.cs

@@ -1,35 +0,0 @@
-using System.Windows;
-using Newtonsoft.Json;
-
-namespace Artemis.UI.Utilities
-{
-    public static class JsonClipboard
-    {
-        private static readonly JsonSerializerSettings JsonSettings = new JsonSerializerSettings {TypeNameHandling = TypeNameHandling.All};
-
-        public static void SetObject(object clipboardObject)
-        {
-            string json = JsonConvert.SerializeObject(clipboardObject, JsonSettings);
-            Clipboard.SetData("Artemis", json);
-        }
-
-        public static object GetData()
-        {
-            string json = Clipboard.GetData("Artemis")?.ToString();
-            if (json != null)
-                return JsonConvert.DeserializeObject(json, JsonSettings);
-            return null;
-        }
-
-        public static T GetData<T>()
-        {
-            object data = GetData();
-            return data is T castData ? castData : default;
-        }
-
-        public static bool ContainsArtemisData()
-        {
-            return Clipboard.ContainsData("Artemis");
-        }
-    }
-}