Data model visualization - Moved services and VMs to UI.Shared

Data model visualization - Added support for custom display VMs
Data model visualization - Added framework for custom input VMs
Shared UI - Made internal converters public

src/Artemis.Core/Plugins/Abstract/LayerBrushProvider.cs

@@ -22,12 +22,12 @@ namespace Artemis.Core.Plugins.Abstract
         }
 
         /// <summary>
-        ///     A read-only collection of all layer brushes added with <see cref="AddLayerBrushDescriptor{T}" />
+        ///     A read-only collection of all layer brushes added with <see cref="RegisterLayerBrushDescriptor{T}" />
         /// </summary>
         public ReadOnlyCollection<LayerBrushDescriptor> LayerBrushDescriptors => _layerBrushDescriptors.AsReadOnly();
 
         /// <summary>
-        ///     Adds a layer brush descriptor for a given layer brush, so that it appears in the UI.
+        ///     Registers a layer brush descriptor for a given layer brush, so that it appears in the UI.
         ///     <para>Note: You do not need to manually remove these on disable</para>
         /// </summary>
         /// <typeparam name="T">The type of the layer brush you wish to register</typeparam>
@@ -37,7 +37,7 @@ namespace Artemis.Core.Plugins.Abstract
         ///     The Material icon to display in the UI, a full reference can be found
         ///     <see href="https://materialdesignicons.com">here</see>
         /// </param>
-        protected void AddLayerBrushDescriptor<T>(string displayName, string description, string icon) where T : BaseLayerBrush
+        protected void RegisterLayerBrushDescriptor<T>(string displayName, string description, string icon) where T : BaseLayerBrush
         {
             if (!Enabled)
                 throw new ArtemisPluginException(PluginInfo, "Can only add a layer brush descriptor when the plugin is enabled");

src/Artemis.UI.Shared/Controls/ColorPicker.xaml

@@ -65,8 +65,6 @@
         </ResourceDictionary>
     </UserControl.Resources>
     <Grid HorizontalAlignment="Stretch">
-        <!-- Style="{StaticResource MaterialDesignFloatingHintTextBox}" -->
-        <!-- Padding="0 0 10 0" -->
         <TextBox x:Name="ColorCodeTextBox"
                  materialDesign:TextFieldAssist.TextBoxViewMargin="1 0 1 0"
                  Text="{Binding Color, RelativeSource={RelativeSource AncestorType={x:Type UserControl}}, Converter={StaticResource ColorToStringConverter}}"

src/Artemis.UI.Shared/Converters/ColorToSolidColorConverter.cs

@@ -11,7 +11,7 @@ namespace Artemis.UI.Shared.Converters
     ///     opacity.
     /// </summary>
     [ValueConversion(typeof(Color), typeof(string))]
-    internal class ColorToSolidColorConverter : IValueConverter
+    public class ColorToSolidColorConverter : IValueConverter
     {
         public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
         {

src/Artemis.UI.Shared/Converters/ColorToStringConverter.cs

@@ -10,7 +10,7 @@ namespace Artemis.UI.Shared.Converters
     ///     Converts <see cref="T:System.Windows.Media.Color" /> into <see cref="T:System.String" />.
     /// </summary>
     [ValueConversion(typeof(Color), typeof(string))]
-    internal class ColorToStringConverter : IValueConverter
+    public class ColorToStringConverter : IValueConverter
     {
         public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
         {

src/Artemis.UI.Shared/Converters/SKColorToStringConverter.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Globalization;
+using System.Windows.Data;
+using System.Windows.Media;
+using SkiaSharp;
+
+namespace Artemis.UI.Shared.Converters
+{
+    /// <inheritdoc />
+    /// <summary>
+    ///     Converts <see cref="SKColor"/>into <see cref="T:System.String" />.
+    /// </summary>
+    [ValueConversion(typeof(Color), typeof(string))]
+    public class SKColorToStringConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return value?.ToString();
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (string.IsNullOrWhiteSpace((string) value))
+                return SKColor.Empty;
+
+            return SKColor.TryParse((string)value, out var color) ? color : SKColor.Empty;
+        }
+    }
+}

src/Artemis.UI.Shared/DataModelVisualization/DataModelDisplayViewModel.cs

@@ -0,0 +1,39 @@
+using Stylet;
+
+namespace Artemis.UI.Shared.DataModelVisualization
+{
+    public abstract class DataModelDisplayViewModel<T> : DataModelDisplayViewModel
+    {
+        private T _displayValue;
+
+        public T DisplayValue
+        {
+            get => _displayValue;
+            set
+            {
+                if (!SetAndNotify(ref _displayValue, value)) return;
+                OnDisplayValueUpdated();
+            }
+        }
+
+        protected virtual void OnDisplayValueUpdated()
+        {
+        }
+
+        internal override void UpdateValue(object model)
+        {
+            DisplayValue = model is T value ? value : default;
+        }
+    }
+
+    /// <summary>
+    ///     For internal use only, implement <see cref="DataModelDisplayViewModel{T}" /> instead.
+    /// </summary>
+    public abstract class DataModelDisplayViewModel : PropertyChangedBase
+    {
+        /// <summary>
+        ///     Prevents this type being implemented directly, implement <see cref="DataModelDisplayViewModel{T}" /> instead.
+        /// </summary>
+        internal abstract void UpdateValue(object model);
+    }
+}

src/Artemis.UI.Shared/DataModelVisualization/DataModelInputViewModel.cs

@@ -0,0 +1,28 @@
+using Artemis.Core.Plugins.Abstract.DataModels.Attributes;
+using Stylet;
+
+namespace Artemis.UI.Shared.DataModelVisualization
+{
+    public abstract class DataModelInputViewModel<T> : DataModelInputViewModel
+    {
+        protected DataModelInputViewModel(DataModelPropertyAttribute description)
+        {
+            Description = description;
+        }
+
+        public DataModelPropertyAttribute Description { get; }
+        internal override object InternalGuard { get; } = null;
+    }
+
+    /// <summary>
+    ///     For internal use only, implement <see cref="DataModelInputViewModel{T}" /> instead.
+    /// </summary>
+    public abstract class DataModelInputViewModel : PropertyChangedBase
+    {
+        /// <summary>
+        ///     Prevents this type being implemented directly, implement <see cref="DataModelInputViewModel{T}" /> instead.
+        /// </summary>
+        // ReSharper disable once UnusedMember.Global
+        internal abstract object InternalGuard { get; }
+    }
+}

src/Artemis.UI.Shared/DataModelVisualization/DataModelVisualizationRegistration.cs

@@ -0,0 +1,53 @@
+using System;
+using Artemis.Core;
+using Artemis.Core.Plugins.Models;
+using Artemis.UI.Shared.Services;
+
+namespace Artemis.UI.Shared.DataModelVisualization
+{
+    public class DataModelVisualizationRegistration
+    {
+        private readonly IDataModelVisualizationService _dataModelVisualizationService;
+
+        public DataModelVisualizationRegistration(IDataModelVisualizationService dataModelVisualizationService,
+            RegistrationType registrationType,
+            PluginInfo pluginInfo,
+            Type supportedType,
+            Type viewModelType)
+        {
+            _dataModelVisualizationService = dataModelVisualizationService;
+            RegistrationType = registrationType;
+            PluginInfo = pluginInfo;
+            SupportedType = supportedType;
+            ViewModelType = viewModelType;
+
+            if (PluginInfo != Constants.CorePluginInfo)
+                PluginInfo.Instance.PluginDisabled += InstanceOnPluginDisabled;
+        }
+
+        public RegistrationType RegistrationType { get; }
+        public PluginInfo PluginInfo { get; }
+        public Type SupportedType { get; }
+        public Type ViewModelType { get; }
+
+        internal void Unsubscribe()
+        {
+            if (PluginInfo != Constants.CorePluginInfo)
+                PluginInfo.Instance.PluginDisabled -= InstanceOnPluginDisabled;
+        }
+
+        private void InstanceOnPluginDisabled(object sender, EventArgs e)
+        {
+            if (RegistrationType == RegistrationType.Input)
+                _dataModelVisualizationService.RemoveDataModelInput(this);
+            else if (RegistrationType == RegistrationType.Display)
+                _dataModelVisualizationService.RemoveDataModelDisplay(this);
+        }
+    }
+
+    public enum RegistrationType
+    {
+        Display,
+        Input
+    }
+}

src/Artemis.UI.Shared/DataModelVisualization/Shared/DataModelListViewModel.cs

@@ -3,18 +3,22 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
 using Artemis.Core.Plugins.Abstract.DataModels.Attributes;
+using Artemis.UI.Shared.Services;
 using Stylet;
 
-namespace Artemis.UI.DataModelVisualization
+namespace Artemis.UI.Shared.DataModelVisualization.Shared
 {
     public class DataModelListViewModel : DataModelVisualizationViewModel
     {
+        private readonly IDataModelVisualizationService _dataModelVisualizationService;
         private BindableCollection<DataModelVisualizationViewModel> _children;
-        private IList _list;
         private string _count;
+        private IList _list;
 
-        public DataModelListViewModel(PropertyInfo propertyInfo, DataModelPropertyAttribute propertyDescription, DataModelVisualizationViewModel parent)
+        internal DataModelListViewModel(PropertyInfo propertyInfo, DataModelPropertyAttribute propertyDescription, DataModelVisualizationViewModel parent, 
+            IDataModelVisualizationService dataModelVisualizationService)
         {
+            _dataModelVisualizationService = dataModelVisualizationService;
             PropertyInfo = propertyInfo;
             Parent = parent;
             PropertyDescription = propertyDescription;
@@ -53,7 +57,7 @@ namespace Artemis.UI.DataModelVisualization
                 DataModelVisualizationViewModel child;
                 if (Children.Count <= index)
                 {
-                    child = CreateChild(item);
+                    child = CreateChild(_dataModelVisualizationService, item);
                     Children.Add(child);
                 }
                 else

src/Artemis.UI.Shared/DataModelVisualization/Shared/DataModelPropertyViewModel.cs

@@ -0,0 +1,59 @@
+using System.Reflection;
+using Artemis.Core.Plugins.Abstract.DataModels.Attributes;
+
+namespace Artemis.UI.Shared.DataModelVisualization.Shared
+{
+    public class DataModelPropertyViewModel : DataModelVisualizationViewModel
+    {
+        private DataModelDisplayViewModel _displayViewModel;
+        private bool _showNull;
+        private bool _showToString;
+        private bool _showViewModel;
+
+        internal DataModelPropertyViewModel(PropertyInfo propertyInfo, DataModelPropertyAttribute propertyDescription, DataModelVisualizationViewModel parent)
+        {
+            PropertyInfo = propertyInfo;
+            Parent = parent;
+            PropertyDescription = propertyDescription;
+        }
+
+        public DataModelDisplayViewModel DisplayViewModel
+        {
+            get => _displayViewModel;
+            set => SetAndNotify(ref _displayViewModel, value);
+        }
+
+        public bool ShowToString
+        {
+            get => _showToString;
+            set => SetAndNotify(ref _showToString, value);
+        }
+
+        public bool ShowNull
+        {
+            get => _showNull;
+            set => SetAndNotify(ref _showNull, value);
+        }
+
+        public bool ShowViewModel
+        {
+            get => _showViewModel;
+            set => SetAndNotify(ref _showViewModel, value);
+        }
+
+        public override void Update()
+        {
+            if (PropertyInfo != null && Parent?.Model != null)
+            {
+                Model = PropertyInfo.GetValue(Parent.Model);
+                DisplayViewModel?.UpdateValue(Model);
+            }
+
+            ShowToString = Model != null && DisplayViewModel == null;
+            ShowNull = Model == null;
+            ShowViewModel = Model != null && DisplayViewModel != null;
+
+            UpdateListStatus();
+        }
+    }
+}

src/Artemis.UI.Shared/DataModelVisualization/Shared/DataModelViewModel.cs

@@ -1,21 +1,25 @@
 using System.Reflection;
 using Artemis.Core.Extensions;
 using Artemis.Core.Plugins.Abstract.DataModels.Attributes;
+using Artemis.UI.Shared.Services;
 using Stylet;
 
-namespace Artemis.UI.DataModelVisualization
+namespace Artemis.UI.Shared.DataModelVisualization.Shared
 {
     public class DataModelViewModel : DataModelVisualizationViewModel
     {
+        private readonly IDataModelVisualizationService _dataModelVisualizationService;
         private BindableCollection<DataModelVisualizationViewModel> _children;
 
-        public DataModelViewModel()
+        internal DataModelViewModel()
         {
             Children = new BindableCollection<DataModelVisualizationViewModel>();
         }
 
-        public DataModelViewModel(PropertyInfo propertyInfo, object model, DataModelPropertyAttribute propertyDescription, DataModelVisualizationViewModel parent)
+        internal DataModelViewModel(PropertyInfo propertyInfo, object model, DataModelPropertyAttribute propertyDescription, DataModelVisualizationViewModel parent,
+            IDataModelVisualizationService dataModelVisualizationService)
         {
+            _dataModelVisualizationService = dataModelVisualizationService;
             PropertyInfo = propertyInfo;
             Model = model;
             PropertyDescription = propertyDescription;
@@ -36,7 +40,7 @@ namespace Artemis.UI.DataModelVisualization
             Children.Clear();
             foreach (var propertyInfo in Model.GetType().GetProperties())
             {
-                var child = CreateChild(propertyInfo);
+                var child = CreateChild(_dataModelVisualizationService, propertyInfo);
                 if (child != null)
                     Children.Add(child);
             }

src/Artemis.UI.Shared/DataModelVisualization/Shared/DataModelVisualizationViewModel.cs

@@ -3,20 +3,25 @@ using System.Collections;
 using System.Reflection;
 using Artemis.Core.Extensions;
 using Artemis.Core.Plugins.Abstract.DataModels.Attributes;
+using Artemis.UI.Shared.Services;
 using Humanizer;
 using Stylet;
 
-namespace Artemis.UI.DataModelVisualization
+namespace Artemis.UI.Shared.DataModelVisualization.Shared
 {
     public abstract class DataModelVisualizationViewModel : PropertyChangedBase
     {
+        private bool _isListProperty;
+        private string _listDescription;
+        private object _model;
+        private DataModelVisualizationViewModel _parent;
         private DataModelPropertyAttribute _propertyDescription;
         private PropertyInfo _propertyInfo;
         private Type _propertyType;
-        private DataModelVisualizationViewModel _parent;
+
-        private object _model;
+        internal DataModelVisualizationViewModel()
-        private bool _isListProperty;
+        {
-        private string _listDescription;
+        }
 
         public DataModelPropertyAttribute PropertyDescription
         {
@@ -62,7 +67,7 @@ namespace Artemis.UI.DataModelVisualization
 
         public abstract void Update();
 
-        protected DataModelVisualizationViewModel CreateChild(PropertyInfo propertyInfo)
+        protected DataModelVisualizationViewModel CreateChild(IDataModelVisualizationService dataModelVisualizationService, PropertyInfo propertyInfo)
         {
             // Skip properties decorated with DataModelIgnore
             if (Attribute.IsDefined(propertyInfo, typeof(DataModelIgnoreAttribute)))
@@ -73,11 +78,15 @@ namespace Artemis.UI.DataModelVisualization
             if (dataModelPropertyAttribute == null)
                 dataModelPropertyAttribute = new DataModelPropertyAttribute {Name = propertyInfo.Name.Humanize()};
 
+            // If a display VM was found, prefer to use that in any case
+            var typeViewModel = dataModelVisualizationService.GetDataModelDisplayViewModel(propertyInfo.PropertyType);
+            if (typeViewModel != null)
+                return new DataModelPropertyViewModel(propertyInfo, dataModelPropertyAttribute, this) {DisplayViewModel = typeViewModel};
             // For primitives, create a property view model, it may be null that is fine
             if (propertyInfo.PropertyType.IsPrimitive || propertyInfo.PropertyType == typeof(string))
                 return new DataModelPropertyViewModel(propertyInfo, dataModelPropertyAttribute, this);
             if (typeof(IList).IsAssignableFrom(propertyInfo.PropertyType))
-                return new DataModelListViewModel(propertyInfo, dataModelPropertyAttribute, this);
+                return new DataModelListViewModel(propertyInfo, dataModelPropertyAttribute, this, dataModelVisualizationService);
             // For other value types create a child view model if the value type is not null
             if (propertyInfo.PropertyType.IsClass || propertyInfo.PropertyType.IsStruct())
             {
@@ -85,22 +94,26 @@ namespace Artemis.UI.DataModelVisualization
                 if (value == null)
                     return null;
 
-                return new DataModelViewModel(propertyInfo, value, dataModelPropertyAttribute, this);
+                return new DataModelViewModel(propertyInfo, value, dataModelPropertyAttribute, this, dataModelVisualizationService);
             }
 
             return null;
         }
 
-        protected DataModelVisualizationViewModel CreateChild(object value)
+        protected DataModelVisualizationViewModel CreateChild(IDataModelVisualizationService dataModelVisualizationService, object value)
         {
             var dataModelPropertyAttribute = new DataModelPropertyAttribute {Name = "Unknown property"};
 
+            // If a display VM was found, prefer to use that in any case
+            var typeViewModel = dataModelVisualizationService.GetDataModelDisplayViewModel(value.GetType());
+            if (typeViewModel != null)
+                return new DataModelPropertyViewModel(null, dataModelPropertyAttribute, this) {Model = value, DisplayViewModel = typeViewModel};
             // For primitives, create a property view model, it may be null that is fine
             if (value.GetType().IsPrimitive || value is string)
                 return new DataModelPropertyViewModel(null, dataModelPropertyAttribute, this) {Model = value};
             // For other value types create a child view model if the value type is not null
             if (value.GetType().IsClass || value.GetType().IsStruct())
-                return new DataModelViewModel(null, value, dataModelPropertyAttribute, this);
+                return new DataModelViewModel(null, value, dataModelPropertyAttribute, this, dataModelVisualizationService);
 
             return null;
         }

src/Artemis.UI.Shared/PropertyInput/PropertyInputRegistration.cs

@@ -30,15 +30,10 @@ namespace Artemis.UI.Shared.PropertyInput
                 PluginInfo.Instance.PluginDisabled -= InstanceOnPluginDisabled;
         }
 
-        internal void Remove()
-        {
-            // It'll call Unsubscribe for us
-            _profileEditorService.RemovePropertyInput(this);
-        }
-
         private void InstanceOnPluginDisabled(object sender, EventArgs e)
         {
-            Remove();
+            // Profile editor service will call Unsubscribe
+            _profileEditorService.RemovePropertyInput(this);
         }
     }
 }

src/Artemis.UI.Shared/PropertyInput/PropertyInputViewModel.cs

@@ -5,10 +5,10 @@ using Stylet;
 
 namespace Artemis.UI.Shared.PropertyInput
 {
-    public abstract class PropertyInputViewModel<T> : ValidatingModelBase, IDisposable
+    public abstract class PropertyInputViewModel<T> : PropertyInputViewModel
     {
-        private T _inputValue;
         private bool _inputDragging;
+        private T _inputValue;
 
         protected PropertyInputViewModel(LayerProperty<T> layerProperty, IProfileEditorService profileEditorService)
         {
@@ -30,6 +30,7 @@ namespace Artemis.UI.Shared.PropertyInput
 
         public LayerProperty<T> LayerProperty { get; }
         public IProfileEditorService ProfileEditorService { get; }
+        internal override object InternalGuard { get; } = null;
 
         public bool InputDragging
         {
@@ -47,12 +48,15 @@ namespace Artemis.UI.Shared.PropertyInput
             }
         }
 
-        public virtual void Dispose()
+        public override void Dispose()
         {
             LayerProperty.Updated -= LayerPropertyOnUpdated;
             LayerProperty.BaseValueChanged -= LayerPropertyOnUpdated;
+            Dispose(true);
+            GC.SuppressFinalize(this);
         }
 
+
         protected virtual void OnInputValueApplied()
         {
         }
@@ -97,7 +101,6 @@ namespace Artemis.UI.Shared.PropertyInput
                 Validate();
         }
 
-
         #region Event handlers
 
         public void InputDragStarted(object sender, EventArgs e)
@@ -122,4 +125,33 @@ namespace Artemis.UI.Shared.PropertyInput
 
         #endregion
     }
+
+    /// <summary>
+    /// For internal use only, implement <see cref="PropertyInputViewModel{T}"/> instead.
+    /// </summary>
+    public abstract class PropertyInputViewModel : ValidatingModelBase, IDisposable
+    {
+        protected PropertyInputViewModel()
+        {
+        }
+
+        protected PropertyInputViewModel(IModelValidator validator) : base(validator)
+        {
+        }
+
+        /// <summary>
+        /// Prevents this type being implemented directly, implement <see cref="PropertyInputViewModel{T}"/> instead.
+        /// </summary>
+        // ReSharper disable once UnusedMember.Global
+        internal abstract object InternalGuard { get; }
+
+        public abstract void Dispose();
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+            }
+        }
+    }
 }

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

@@ -0,0 +1,144 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Artemis.Core.Plugins.Abstract;
+using Artemis.Core.Plugins.Exceptions;
+using Artemis.Core.Plugins.Models;
+using Artemis.Core.Services.Interfaces;
+using Artemis.UI.Shared.DataModelVisualization;
+using Artemis.UI.Shared.DataModelVisualization.Shared;
+using Artemis.UI.Shared.Services.Interfaces;
+using Ninject;
+
+namespace Artemis.UI.Shared.Services
+{
+    public class DataModelVisualizationService : IDataModelVisualizationService
+    {
+        private readonly IDataModelService _dataModelService;
+        private readonly IKernel _kernel;
+        private readonly List<DataModelVisualizationRegistration> _registeredDataModelDisplays;
+        private readonly List<DataModelVisualizationRegistration> _registeredDataModelEditors;
+
+        public DataModelVisualizationService(IDataModelService dataModelService, IKernel kernel)
+        {
+            _dataModelService = dataModelService;
+            _kernel = kernel;
+            _registeredDataModelEditors = new List<DataModelVisualizationRegistration>();
+            _registeredDataModelDisplays = new List<DataModelVisualizationRegistration>();
+        }
+
+        public DataModelViewModel GetMainDataModelVisualization()
+        {
+            var viewModel = new DataModelViewModel();
+            foreach (var dataModelExpansion in _dataModelService.DataModelExpansions)
+                viewModel.Children.Add(new DataModelViewModel(null, dataModelExpansion, dataModelExpansion.DataModelDescription, viewModel, this));
+
+            return viewModel;
+        }
+
+        public DataModelViewModel GetPluginDataModelVisualization(Plugin plugin)
+        {
+            var dataModel = _dataModelService.GetPluginDataModel(plugin);
+            if (dataModel == null)
+                return null;
+
+            var viewModel = new DataModelViewModel();
+            viewModel.Children.Add(new DataModelViewModel(null, dataModel, dataModel.DataModelDescription, viewModel, this));
+            return viewModel;
+        }
+
+        public DataModelVisualizationRegistration RegisterDataModelInput<T>(PluginInfo pluginInfo) where T : DataModelInputViewModel
+        {
+            var viewModelType = typeof(T);
+            lock (_registeredDataModelEditors)
+            {
+                var supportedType = viewModelType.BaseType.GetGenericArguments()[0];
+                var existing = _registeredDataModelEditors.FirstOrDefault(r => r.SupportedType == supportedType);
+                if (existing != null)
+                {
+                    if (existing.PluginInfo != pluginInfo)
+                        throw new ArtemisPluginException($"Cannot register property editor for type {supportedType.Name} because an editor was already registered by {pluginInfo.Name}");
+                    return existing;
+                }
+
+                _kernel.Bind(viewModelType).ToSelf();
+                var registration = new DataModelVisualizationRegistration(this, RegistrationType.Input, pluginInfo, supportedType, viewModelType);
+                _registeredDataModelEditors.Add(registration);
+                return registration;
+            }
+        }
+
+        public DataModelVisualizationRegistration RegisterDataModelDisplay<T>(PluginInfo pluginInfo) where T : DataModelDisplayViewModel
+        {
+            var viewModelType = typeof(T);
+            lock (_registeredDataModelDisplays)
+            {
+                var supportedType = viewModelType.BaseType.GetGenericArguments()[0];
+                var existing = _registeredDataModelDisplays.FirstOrDefault(r => r.SupportedType == supportedType);
+                if (existing != null)
+                {
+                    if (existing.PluginInfo != pluginInfo)
+                        throw new ArtemisPluginException($"Cannot register property editor for type {supportedType.Name} because an editor was already registered by {pluginInfo.Name}");
+                    return existing;
+                }
+
+                _kernel.Bind(viewModelType).ToSelf();
+                var registration = new DataModelVisualizationRegistration(this, RegistrationType.Display, pluginInfo, supportedType, viewModelType);
+                _registeredDataModelDisplays.Add(registration);
+                return registration;
+            }
+        }
+
+        public void RemoveDataModelInput(DataModelVisualizationRegistration registration)
+        {
+            lock (_registeredDataModelEditors)
+            {
+                if (_registeredDataModelEditors.Contains(registration))
+                {
+                    registration.Unsubscribe();
+                    _registeredDataModelEditors.Remove(registration);
+
+                    _kernel.Unbind(registration.ViewModelType);
+                }
+            }
+        }
+
+        public void RemoveDataModelDisplay(DataModelVisualizationRegistration registration)
+        {
+            lock (_registeredDataModelDisplays)
+            {
+                if (_registeredDataModelDisplays.Contains(registration))
+                {
+                    registration.Unsubscribe();
+                    _registeredDataModelDisplays.Remove(registration);
+
+                    _kernel.Unbind(registration.ViewModelType);
+                }
+            }
+        }
+
+        public DataModelDisplayViewModel GetDataModelDisplayViewModel(Type propertyType)
+        {
+            lock (_registeredDataModelDisplays)
+            {
+                var match = _registeredDataModelDisplays.FirstOrDefault(d => d.SupportedType == propertyType);
+                if (match != null)
+                    return (DataModelDisplayViewModel) _kernel.Get(match.ViewModelType);
+                return null;
+            }
+        }
+    }
+
+    public interface IDataModelVisualizationService : IArtemisSharedUIService
+    {
+        DataModelViewModel GetMainDataModelVisualization();
+        DataModelViewModel GetPluginDataModelVisualization(Plugin plugin);
+
+        DataModelVisualizationRegistration RegisterDataModelInput<T>(PluginInfo pluginInfo) where T : DataModelInputViewModel;
+        DataModelVisualizationRegistration RegisterDataModelDisplay<T>(PluginInfo pluginInfo) where T : DataModelDisplayViewModel;
+        void RemoveDataModelInput(DataModelVisualizationRegistration registration);
+        void RemoveDataModelDisplay(DataModelVisualizationRegistration registration);
+
+        DataModelDisplayViewModel GetDataModelDisplayViewModel(Type propertyType);
+    }
+}

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

@@ -63,7 +63,15 @@ namespace Artemis.UI.Shared.Services.Interfaces
         /// </summary>
         event EventHandler ProfilePreviewUpdated;
 
-        PropertyInputRegistration RegisterPropertyInput(PluginInfo pluginInfo, Type viewModelType);
+        /// <summary>
+        ///     Registers a new property input view model used in the profile editor for the generic type defined in
+        ///     <see cref="PropertyInputViewModel{T}" />
+        ///     <para>Note: Registration will remove itself on plugin disable so you don't have to</para>
+        /// </summary>
+        /// <param name="pluginInfo"></param>
+        /// <returns></returns>
+        PropertyInputRegistration RegisterPropertyInput<T>(PluginInfo pluginInfo) where T : PropertyInputViewModel;
+
         void RemovePropertyInput(PropertyInputRegistration registration);
     }
 }

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

@@ -103,6 +103,7 @@ namespace Artemis.UI.Shared.Services
                 foreach (var baseLayerEffect in folder.LayerEffects)
                     baseLayerEffect.Update(delta.TotalSeconds);
             }
+
             foreach (var layer in SelectedProfile.GetAllLayers())
             {
                 layer.OverrideProgress(CurrentTime);
@@ -153,12 +154,9 @@ namespace Artemis.UI.Shared.Services
             UpdateProfilePreview();
         }
 
-        public PropertyInputRegistration RegisterPropertyInput(PluginInfo pluginInfo, Type viewModelType)
+        public PropertyInputRegistration RegisterPropertyInput<T>(PluginInfo pluginInfo) where T : PropertyInputViewModel
         {
-            // Bit ugly to do a name comparison but I don't know a nicer way right now
+            var viewModelType = typeof(T);
-            if (viewModelType.BaseType == null || viewModelType.BaseType.Name != typeof(PropertyInputViewModel<>).Name)
-                throw new ArtemisPluginException($"{nameof(viewModelType)} base type must be of type PropertyInputViewModel<T>");
-
             lock (_registeredPropertyEditors)
             {
                 var supportedType = viewModelType.BaseType.GetGenericArguments()[0];

src/Artemis.UI/DataModelVisualization/DataModelPropertyViewModel.cs

@@ -1,23 +0,0 @@
-using System.Reflection;
-using Artemis.Core.Plugins.Abstract.DataModels.Attributes;
-
-namespace Artemis.UI.DataModelVisualization
-{
-    public class DataModelPropertyViewModel : DataModelVisualizationViewModel
-    {
-        public DataModelPropertyViewModel(PropertyInfo propertyInfo, DataModelPropertyAttribute propertyDescription, DataModelVisualizationViewModel parent)
-        {
-            PropertyInfo = propertyInfo;
-            Parent = parent;
-            PropertyDescription = propertyDescription;
-        }
-        
-        public override void Update()
-        {
-            if (PropertyInfo != null && Parent?.Model != null)
-                Model = PropertyInfo.GetValue(Parent.Model);
-
-            UpdateListStatus();
-        }
-    }
-}

src/Artemis.UI/DataModelVisualization/SKColorDataModelDisplayView.xaml

@@ -0,0 +1,40 @@
+<UserControl x:Class="Artemis.UI.DataModelVisualization.SKColorDataModelDisplayView"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:local="clr-namespace:Artemis.UI.DataModelVisualization"
+             xmlns:converters="clr-namespace:Artemis.UI.Shared.Converters;assembly=Artemis.UI.Shared"
+             mc:Ignorable="d"
+             d:DesignHeight="450" d:DesignWidth="800"
+             d:DataContext="{d:DesignInstance {x:Type local:SKColorDataModelDisplayViewModel}}">
+    <UserControl.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="pack://application:,,,/Artemis.UI.Shared;component/Resources/ArtemisShared.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+            <converters:ColorToStringConverter x:Key="SKColorToStringConverter" />
+            <converters:SKColorToColorConverter x:Key="SKColorToColorConverter" />
+        </ResourceDictionary>
+
+    </UserControl.Resources>
+    <StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
+        <TextBlock x:Name="HexDisplay"
+            Text="{Binding DisplayValue, Converter={StaticResource SKColorToStringConverter}}"
+                   VerticalAlignment="Center"
+                   HorizontalAlignment="Stretch"/>
+        <Border Width="{Binding ActualHeight, ElementName=HexDisplay}"
+                Height="{Binding ActualHeight, ElementName=HexDisplay}"
+                CornerRadius="{Binding ActualHeight, ElementName=HexDisplay}"
+                Margin="5 0 0 0"
+                VerticalAlignment="Center"
+                HorizontalAlignment="Right"
+                Background="{StaticResource Checkerboard}">
+            <Ellipse Stroke="{DynamicResource NormalBorderBrush}">
+                <Ellipse.Fill>
+                    <SolidColorBrush Color="{Binding DisplayValue, Converter={StaticResource SKColorToColorConverter}}" />
+                </Ellipse.Fill>
+            </Ellipse>
+        </Border>
+    </StackPanel>
+</UserControl>

src/Artemis.UI/DataModelVisualization/SKColorDataModelDisplayViewModel.cs

@@ -0,0 +1,9 @@
+using Artemis.UI.Shared.DataModelVisualization;
+using SkiaSharp;
+
+namespace Artemis.UI.DataModelVisualization
+{
+    public class SKColorDataModelDisplayViewModel : DataModelDisplayViewModel<SKColor>
+    {
+    }
+}

src/Artemis.UI/PropertyInput/SKPointPropertyInputViewModel.cs

@@ -4,7 +4,6 @@ using Artemis.Core.Models.Profile.LayerProperties;
 using Artemis.UI.Shared.PropertyInput;
 using Artemis.UI.Shared.Services.Interfaces;
 using FluentValidation;
-// using PropertyChanged;
 using SkiaSharp;
 using Stylet;
 
@@ -17,15 +16,12 @@ namespace Artemis.UI.PropertyInput
         {
         }
 
-        // Since SKPoint is immutable we need to create properties that replace the SKPoint entirely
-        // [DependsOn(nameof(InputValue))]
         public float X
         {
             get => InputValue.X;
             set => InputValue = new SKPoint(value, Y);
         }
 
-       // [DependsOn(nameof(InputValue))]
         public float Y
         {
             get => InputValue.Y;

src/Artemis.UI/Screens/Settings/Debug/Tabs/DataModelDebugView.xaml

@@ -4,11 +4,11 @@
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:local="clr-namespace:Artemis.UI.Screens.Settings.Debug.Tabs"
-             xmlns:dataModel="clr-namespace:Artemis.UI.DataModelVisualization"
              xmlns:s="https://github.com/canton7/Stylet"
              xmlns:converters="clr-namespace:Artemis.UI.Converters"
              xmlns:wpf="http://materialdesigninxaml.net/winfx/xaml/themes"
              xmlns:plugins="clr-namespace:Artemis.Core.Plugins.Abstract;assembly=Artemis.Core"
+             xmlns:dataModel="clr-namespace:Artemis.UI.Shared.DataModelVisualization.Shared;assembly=Artemis.UI.Shared"
              mc:Ignorable="d"
              d:DesignHeight="450" d:DesignWidth="800" d:DataContext="{d:DesignInstance local:DataModelDebugViewModel}">
     <UserControl.Resources>
@@ -101,6 +101,8 @@
                             <ColumnDefinition Width="Auto" />
                             <ColumnDefinition Width="*" />
                         </Grid.ColumnDefinitions>
+
+                        <!-- Value description -->
                         <TextBlock Grid.Column="0" Margin="0 0 5 0" FontWeight="Bold">
                             <Run>[</Run><Run Text="{Binding PropertyType.Name, Mode=OneWay}" /><Run>]</Run>
                         </TextBlock>
@@ -112,17 +114,24 @@
                                    Text="{Binding ListDescription}"
                                    ToolTip="{Binding PropertyDescription.Description}"
                                    Visibility="{Binding IsListProperty, Converter={x:Static s:BoolToVisibilityConverter.Instance}, Mode=OneWay}" />
+                       
+                        <!-- Value display -->
                         <TextBlock Grid.Column="2"
                                    Text="{Binding Model, Mode=OneWay}"
                                    FontFamily="Consolas"
                                    HorizontalAlignment="Right"
-                                   Visibility="{Binding Model, Converter={StaticResource NullToVisibilityConverter}}" />
+                                   Visibility="{Binding ShowToString, Converter={x:Static s:BoolToVisibilityConverter.Instance}, Mode=OneWay}" />
                         <TextBlock Grid.Column="2"
                                    Text="null"
                                    FontFamily="Consolas"
                                    HorizontalAlignment="Right"
                                    Foreground="{DynamicResource MaterialDesignCheckBoxDisabled}"
-                                   Visibility="{Binding Model, Converter={StaticResource NullToVisibilityConverter}, ConverterParameter=Inverted}" />
+                                   Visibility="{Binding ShowNull, Converter={x:Static s:BoolToVisibilityConverter.Instance}, Mode=OneWay}" />
+                        <ContentControl Grid.Column="2" 
+                                        s:View.Model="{Binding DisplayViewModel}" 
+                                        FontFamily="Consolas"
+                                        Visibility="{Binding ShowViewModel, Converter={x:Static s:BoolToVisibilityConverter.Instance}, Mode=OneWay}"/>
+                        
                     </Grid>
                 </HierarchicalDataTemplate>
             </TreeView.Resources>

src/Artemis.UI/Screens/Settings/Debug/Tabs/DataModelDebugViewModel.cs

@@ -3,8 +3,9 @@ using System.Linq;
 using System.Timers;
 using Artemis.Core.Events;
 using Artemis.Core.Services.Interfaces;
-using Artemis.UI.DataModelVisualization;
 using Artemis.UI.Services;
+using Artemis.UI.Shared.DataModelVisualization.Shared;
+using Artemis.UI.Shared.Services;
 using Stylet;
 
 namespace Artemis.UI.Screens.Settings.Debug.Tabs

src/Artemis.UI/Services/DataModelVisualizationService.cs

@@ -1,43 +0,0 @@
-using Artemis.Core.Plugins.Abstract;
-using Artemis.Core.Services.Interfaces;
-using Artemis.UI.DataModelVisualization;
-using Artemis.UI.Services.Interfaces;
-
-namespace Artemis.UI.Services
-{
-    public class DataModelVisualizationService : IDataModelVisualizationService
-    {
-        private readonly IDataModelService _dataModelService;
-
-        public DataModelVisualizationService(IDataModelService dataModelService)
-        {
-            _dataModelService = dataModelService;
-        }
-
-        public DataModelViewModel GetMainDataModelVisualization()
-        {
-            var viewModel = new DataModelViewModel();
-            foreach (var dataModelExpansion in _dataModelService.DataModelExpansions)
-                viewModel.Children.Add(new DataModelViewModel(null, dataModelExpansion, dataModelExpansion.DataModelDescription, viewModel));
-
-            return viewModel;
-        }
-
-        public DataModelViewModel GetPluginDataModelVisualization(Plugin plugin)
-        {
-            var dataModel = _dataModelService.GetPluginDataModel(plugin);
-            if (dataModel == null)
-                return null;
-
-            var viewModel = new DataModelViewModel();
-            viewModel.Children.Add(new DataModelViewModel(null, dataModel, dataModel.DataModelDescription, viewModel));
-            return viewModel;
-        }
-    }
-
-    public interface IDataModelVisualizationService : IArtemisUIService
-    {
-        DataModelViewModel GetMainDataModelVisualization();
-        DataModelViewModel GetPluginDataModelVisualization(Plugin plugin);
-    }
-}

src/Artemis.UI/Services/DebugService.cs

@@ -1,6 +1,10 @@
-using System.Windows;
+using System;
+using System.Windows;
+using Artemis.Core;
+using Artemis.UI.DataModelVisualization;
 using Artemis.UI.Screens.Settings.Debug;
 using Artemis.UI.Services.Interfaces;
+using Artemis.UI.Shared.Services;
 using MaterialDesignExtensions.Controls;
 using Ninject;
 using Stylet;
@@ -11,12 +15,21 @@ namespace Artemis.UI.Services
     {
         private readonly IKernel _kernel;
         private readonly IWindowManager _windowManager;
+        private readonly IDataModelVisualizationService _dataModelVisualizationService;
         private DebugViewModel _debugViewModel;
 
-        public DebugService(IKernel kernel, IWindowManager windowManager)
+        public DebugService(IKernel kernel, IWindowManager windowManager, IDataModelVisualizationService dataModelVisualizationService)
         {
             _kernel = kernel;
             _windowManager = windowManager;
+            _dataModelVisualizationService = dataModelVisualizationService;
+
+            RegisterBuiltInDataModelDisplays();
+        }
+
+        private void RegisterBuiltInDataModelDisplays()
+        {
+            _dataModelVisualizationService.RegisterDataModelDisplay<SKColorDataModelDisplayViewModel>(Constants.CorePluginInfo);
         }
 
         public void ShowDebugger()

src/Artemis.UI/Services/LayerEditorService.cs

@@ -141,13 +141,13 @@ namespace Artemis.UI.Services
 
         private void RegisterBuiltInPropertyEditors()
         {
-            _profileEditorService.RegisterPropertyInput(Constants.CorePluginInfo, typeof(BrushPropertyInputViewModel));
+            _profileEditorService.RegisterPropertyInput<BrushPropertyInputViewModel>(Constants.CorePluginInfo);
-            _profileEditorService.RegisterPropertyInput(Constants.CorePluginInfo, typeof(ColorGradientPropertyInputViewModel));
+            _profileEditorService.RegisterPropertyInput<ColorGradientPropertyInputViewModel>(Constants.CorePluginInfo);
-            _profileEditorService.RegisterPropertyInput(Constants.CorePluginInfo, typeof(FloatPropertyInputViewModel));
+            _profileEditorService.RegisterPropertyInput<FloatPropertyInputViewModel>(Constants.CorePluginInfo);
-            _profileEditorService.RegisterPropertyInput(Constants.CorePluginInfo, typeof(IntPropertyInputViewModel));
+            _profileEditorService.RegisterPropertyInput<IntPropertyInputViewModel>(Constants.CorePluginInfo);
-            _profileEditorService.RegisterPropertyInput(Constants.CorePluginInfo, typeof(SKColorPropertyInputViewModel));
+            _profileEditorService.RegisterPropertyInput<SKColorPropertyInputViewModel>(Constants.CorePluginInfo);
-            _profileEditorService.RegisterPropertyInput(Constants.CorePluginInfo, typeof(SKPointPropertyInputViewModel));
+            _profileEditorService.RegisterPropertyInput<SKPointPropertyInputViewModel>(Constants.CorePluginInfo);
-            _profileEditorService.RegisterPropertyInput(Constants.CorePluginInfo, typeof(SKSizePropertyInputViewModel));
+            _profileEditorService.RegisterPropertyInput<SKSizePropertyInputViewModel>(Constants.CorePluginInfo);
         }
     }
 }

src/Plugins/Artemis.Plugins.LayerBrushes.Color/ColorBrushProvider.cs

@@ -6,7 +6,7 @@ namespace Artemis.Plugins.LayerBrushes.Color
     {
         public override void EnablePlugin()
         {
-            AddLayerBrushDescriptor<ColorBrush>("Color", "A brush supporting solid colors and multiple types of gradients", "Brush");
+            RegisterLayerBrushDescriptor<ColorBrush>("Color", "A brush supporting solid colors and multiple types of gradients", "Brush");
         }
 
         public override void DisablePlugin()

src/Plugins/Artemis.Plugins.LayerBrushes.ColorRgbNet/RgbNetColorBrushProvider.cs

@@ -15,8 +15,8 @@ namespace Artemis.Plugins.LayerBrushes.ColorRgbNet
 
         public override void EnablePlugin()
         {
-            _profileEditorService.RegisterPropertyInput(PluginInfo, typeof(StringPropertyInputViewModel));
+            _profileEditorService.RegisterPropertyInput<StringPropertyInputViewModel>(PluginInfo);
-            AddLayerBrushDescriptor<RgbNetColorBrush>("RGB.NET Color", "A RGB.NET based color", "Brush");
+            RegisterLayerBrushDescriptor<RgbNetColorBrush>("RGB.NET Color", "A RGB.NET based color", "Brush");
         }
 
         public override void DisablePlugin()

src/Plugins/Artemis.Plugins.LayerBrushes.Noise/NoiseBrushProvider.cs

@@ -6,7 +6,7 @@ namespace Artemis.Plugins.LayerBrushes.Noise
     {
         public override void EnablePlugin()
         {
-            AddLayerBrushDescriptor<NoiseBrush>("Noise", "A brush of that shows an animated random noise", "ScatterPlot");
+            RegisterLayerBrushDescriptor<NoiseBrush>("Noise", "A brush of that shows an animated random noise", "ScatterPlot");
         }
 
         public override void DisablePlugin()

src/Plugins/Artemis.Plugins.Modules.General/GeneralDataModel.cs

@@ -20,6 +20,8 @@ namespace Artemis.Plugins.Modules.General
         [DataModelProperty(Name = "A test boolean", Description = "This is a test boolean that's not of any use outside testing!")]
         public bool TestBoolean { get; set; }
 
+        public SKColor TestColor { get; set; } = new SKColor(221, 21, 152);
+
         [DataModelProperty(Name = "Player info", Description = "[TEST] Contains information about the player")]
         public PlayerInfo PlayerInfo { get; set; }