Data model visualization - Simplified and improved VMs

Layer conditions - Added left side property selection

src/Artemis.Core/Models/Profile/Conditions/Abstract/DisplayConditionPart.cs

@@ -0,0 +1,36 @@
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Artemis.Core.Models.Profile.Conditions.Abstract
+{
+    public abstract class DisplayConditionPart
+    {
+        private readonly List<DisplayConditionPart> _children;
+
+        protected DisplayConditionPart()
+        {
+            _children = new List<DisplayConditionPart>();
+        }
+
+        public DisplayConditionPart Parent { get; set; }
+        public IReadOnlyList<DisplayConditionPart> Children => _children.AsReadOnly();
+
+        public void AddChild(DisplayConditionPart displayConditionPart)
+        {
+            if (!_children.Contains(displayConditionPart))
+            {
+                displayConditionPart.Parent = this;
+                _children.Add(displayConditionPart);
+            }
+        }
+
+        public void RemoveChild(DisplayConditionPart displayConditionPart)
+        {
+            if (_children.Contains(displayConditionPart))
+            {
+                displayConditionPart.Parent = null;
+                _children.Remove(displayConditionPart);
+            }
+        }
+    }
+}

src/Artemis.Core/Models/Profile/Conditions/Abstract/LayerConditionPart.cs

@@ -1,14 +0,0 @@
-using System.Collections.Generic;
-
-namespace Artemis.Core.Models.Profile.Conditions.Abstract
-{
-    public abstract class LayerConditionPart
-    {
-        protected LayerConditionPart()
-        {
-            Children = new List<LayerConditionPart>();
-        }
-
-        public List<LayerConditionPart> Children { get; set; }
-    }
-}

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

@@ -4,9 +4,9 @@ using Artemis.Core.Plugins.Abstract.DataModels;
 
 namespace Artemis.Core.Models.Profile.Conditions
 {
-    public class LayerCondition
+    public class DisplayCondition
     {
         public Expression<Func<DataModel, bool>> ExpressionTree { get; set; }
-        public LayerConditionGroup RootGroup { get; set; }
+        public DisplayConditionGroup RootGroup { get; set; }
     }
 }

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

@@ -2,7 +2,7 @@
 
 namespace Artemis.Core.Models.Profile.Conditions
 {
-    public class LayerConditionGroup : LayerConditionPart
+    public class DisplayConditionGroup : DisplayConditionPart
     {
         public BooleanOperator BooleanOperator { get; set; }
     }

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

@@ -2,7 +2,7 @@
 
 namespace Artemis.Core.Models.Profile.Conditions
 {
-    public class LayerConditionListStatement : LayerConditionPart
+    public class DisplayConditionListPredicate : DisplayConditionPart
     {
         public ListOperator ListOperator { get; set; }
 

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

@@ -6,7 +6,7 @@ using Artemis.Core.Services.Interfaces;
 
 namespace Artemis.Core.Models.Profile.Conditions
 {
-    public abstract class LayerConditionOperator
+    public abstract class DisplayConditionOperator
     {
         private IDataModelService _dataModelService;
         private bool _registered;

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

@@ -3,12 +3,12 @@ using Artemis.Core.Models.Profile.Conditions.Abstract;
 
 namespace Artemis.Core.Models.Profile.Conditions
 {
-    public class LayerConditionStatement : LayerConditionPart
+    public class DisplayConditionPredicate : DisplayConditionPart
     {
         public Guid DataModelGuid { get; set; }
         public string PropertyPath { get; set; }
 
-        public LayerConditionOperator Operator { get; set; }
+        public DisplayConditionOperator Operator { get; set; }
         public object Value { get; set; }
     }
 }

src/Artemis.Core/Models/Profile/Conditions/Operators/GreaterThanConditionOperator.cs

@@ -4,7 +4,7 @@ using System.Linq.Expressions;
 
 namespace Artemis.Core.Models.Profile.Conditions.Operators
 {
-    public class GreaterThanConditionOperator : LayerConditionOperator
+    public class GreaterThanConditionOperator : DisplayConditionOperator
     {
         public override IReadOnlyCollection<Type> CompatibleTypes => new List<Type>
         {

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

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
 using Artemis.Core.Extensions;
+using Artemis.Core.Models.Profile.Conditions;
 using Artemis.Core.Models.Profile.LayerProperties;
 using Artemis.Core.Models.Profile.LayerProperties.Attributes;
 using Artemis.Core.Models.Profile.LayerShapes;
@@ -22,6 +23,7 @@ namespace Artemis.Core.Models.Profile
     /// </summary>
     public sealed class Layer : EffectProfileElement
     {
+        private DisplayConditionGroup _displayConditionGroup;
         private LayerGeneralProperties _general;
         private SKBitmap _layerBitmap;
         private BaseLayerBrush _layerBrush;
@@ -115,6 +117,15 @@ namespace Artemis.Core.Models.Profile
             internal set => SetAndNotify(ref _layerBrush, value);
         }
 
+        /// <summary>
+        ///     Gets or sets the root display condition group
+        /// </summary>
+        public DisplayConditionGroup DisplayConditionGroup
+        {
+            get => _displayConditionGroup;
+            set => SetAndNotify(ref _displayConditionGroup, value);
+        }
+
         public override string ToString()
         {
             return $"[Layer] {nameof(Name)}: {Name}, {nameof(Order)}: {Order}";

src/Artemis.Core/Services/DataModelService.cs

@@ -21,13 +21,13 @@ namespace Artemis.Core.Services
     {
         private readonly List<DataModel> _dataModelExpansions;
         private readonly IPluginService _pluginService;
-        private readonly List<LayerConditionOperator> _registeredConditionOperators;
+        private readonly List<DisplayConditionOperator> _registeredConditionOperators;
 
         internal DataModelService(IPluginService pluginService)
         {
             _pluginService = pluginService;
             _dataModelExpansions = new List<DataModel>();
-            _registeredConditionOperators = new List<LayerConditionOperator>();
+            _registeredConditionOperators = new List<DisplayConditionOperator>();
 
             _pluginService.PluginEnabled += PluginServiceOnPluginEnabled;
             _pluginService.PluginDisabled += PluginServiceOnPluginDisabled;
@@ -81,40 +81,50 @@ namespace Artemis.Core.Services
             return null;
         }
 
+        public bool GetPluginExtendsDataModel(Plugin plugin)
+        {
+            if (plugin is Module module)
+                return module.InternalExpandsMainDataModel;
+            if (plugin is BaseDataModelExpansion)
+                return true;
 
-        public void RegisterConditionOperator(PluginInfo pluginInfo, LayerConditionOperator layerConditionOperator)
+            return false;
+        }
+
+
+        public void RegisterConditionOperator(PluginInfo pluginInfo, DisplayConditionOperator displayConditionOperator)
         {
             if (pluginInfo == null)
                 throw new ArgumentNullException(nameof(pluginInfo));
-            if (layerConditionOperator == null)
-                throw new ArgumentNullException(nameof(layerConditionOperator));
+            if (displayConditionOperator == null)
+                throw new ArgumentNullException(nameof(displayConditionOperator));
 
             lock (_registeredConditionOperators)
             {
-                if (_registeredConditionOperators.Contains(layerConditionOperator))
+                if (_registeredConditionOperators.Contains(displayConditionOperator))
                     return;
 
-                layerConditionOperator.Register(pluginInfo, this);
-                _registeredConditionOperators.Add(layerConditionOperator);
+                displayConditionOperator.Register(pluginInfo, this);
+                _registeredConditionOperators.Add(displayConditionOperator);
             }
         }
 
-        public void RemoveConditionOperator(LayerConditionOperator layerConditionOperator)
+        public void RemoveConditionOperator(DisplayConditionOperator displayConditionOperator)
         {
-            if (layerConditionOperator == null)
-                throw new ArgumentNullException(nameof(layerConditionOperator));
+            if (displayConditionOperator == null)
+                throw new ArgumentNullException(nameof(displayConditionOperator));
 
             lock (_registeredConditionOperators)
             {
-                if (!_registeredConditionOperators.Contains(layerConditionOperator))
+                if (!_registeredConditionOperators.Contains(displayConditionOperator))
                     return;
 
-                layerConditionOperator.Unsubscribe();
-                _registeredConditionOperators.Remove(layerConditionOperator);
+                displayConditionOperator.Unsubscribe();
+                _registeredConditionOperators.Remove(displayConditionOperator);
             }
         }
 
-        public List<LayerConditionOperator> GetCompatibleConditionOperators(Type type)
+        public List<DisplayConditionOperator> GetCompatibleConditionOperators(Type type)
         {
             lock (_registeredConditionOperators)
             {

src/Artemis.Core/Services/Interfaces/IDataModelService.cs

@@ -29,17 +29,24 @@ namespace Artemis.Core.Services.Interfaces
         /// <param name="plugin">Should be a module with a data model or a data model expansion</param>
         DataModel GetPluginDataModel(Plugin plugin);
 
+        /// <summary>
+        ///     Determines whether the given plugin expands the main data model
+        /// </summary>
+        /// <param name="plugin"></param>
+        /// <returns></returns>
+        bool GetPluginExtendsDataModel(Plugin plugin);
+
         /// <summary>
         ///     Registers a new condition operator for use in layer conditions
         /// </summary>
         /// <param name="pluginInfo">The PluginInfo of the plugin this condition operator belongs to</param>
-        /// <param name="layerConditionOperator">The condition operator to register</param>
-        void RegisterConditionOperator([NotNull] PluginInfo pluginInfo, [NotNull] LayerConditionOperator layerConditionOperator);
+        /// <param name="displayConditionOperator">The condition operator to register</param>
+        void RegisterConditionOperator([NotNull] PluginInfo pluginInfo, [NotNull] DisplayConditionOperator displayConditionOperator);
 
         /// <summary>
         ///     Removes a condition operator so it is no longer available for use in layer conditions
         /// </summary>
-        /// <param name="layerConditionOperator">The layer condition operator to remove</param>
-        void RemoveConditionOperator([NotNull] LayerConditionOperator layerConditionOperator);
+        /// <param name="displayConditionOperator">The layer condition operator to remove</param>
+        void RemoveConditionOperator([NotNull] DisplayConditionOperator displayConditionOperator);
     }
 }

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

@@ -0,0 +1,67 @@
+using System;
+using System.Linq;
+using System.Reflection;
+using Artemis.Core.Plugins.Abstract.DataModels;
+using Artemis.UI.Shared.Services;
+
+namespace Artemis.UI.Shared.DataModelVisualization.Shared
+{
+    public class DataModelListPropertiesViewModel : DataModelPropertiesViewModel
+    {
+        private object _displayValue;
+        private int _index;
+        private Type _listType;
+
+        public DataModelListPropertiesViewModel(DataModel dataModel, DataModelVisualizationViewModel parent, PropertyInfo propertyInfo) : base(dataModel, parent, propertyInfo)
+        {
+        }
+
+        public int Index
+        {
+            get => _index;
+            set => SetAndNotify(ref _index, value);
+        }
+
+        public Type ListType
+        {
+            get => _listType;
+            set => SetAndNotify(ref _listType, value);
+        }
+
+        public object DisplayValue
+        {
+            get => _displayValue;
+            set => SetAndNotify(ref _displayValue, value);
+        }
+
+        public override void Update(IDataModelVisualizationService dataModelVisualizationService)
+        {
+            // Display value gets updated by parent, don't do anything if it is null
+            if (DisplayValue == null)
+                return;
+
+            ListType = DisplayValue.GetType();
+            PopulateProperties(dataModelVisualizationService);
+            foreach (var dataModelVisualizationViewModel in Children)
+                dataModelVisualizationViewModel.Update(dataModelVisualizationService);
+        }
+
+        public override object GetCurrentValue()
+        {
+            return DisplayValue;
+        }
+
+        private void PopulateProperties(IDataModelVisualizationService dataModelVisualizationService)
+        {
+            if (Children.Any())
+                return;
+
+            foreach (var propertyInfo in ListType.GetProperties())
+            {
+                var child = CreateChild(dataModelVisualizationService, propertyInfo);
+                if (child != null)
+                    Children.Add(child);
+            }
+        }
+    }
+}

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

@@ -0,0 +1,48 @@
+using System;
+using System.Linq;
+using System.Reflection;
+using Artemis.Core.Plugins.Abstract.DataModels;
+using Artemis.UI.Shared.Services;
+
+namespace Artemis.UI.Shared.DataModelVisualization.Shared
+{
+    public class DataModelListPropertyViewModel : DataModelPropertyViewModel
+    {
+        private int _index;
+        private Type _listType;
+
+        public DataModelListPropertyViewModel(DataModel dataModel, DataModelVisualizationViewModel parent, PropertyInfo propertyInfo) : base(dataModel, parent, propertyInfo)
+        {
+        }
+
+        public int Index
+        {
+            get => _index;
+            set => SetAndNotify(ref _index, value);
+        }
+
+        public Type ListType
+        {
+            get => _listType;
+            set => SetAndNotify(ref _listType, value);
+        }
+
+        public override object GetCurrentValue()
+        {
+            return DisplayValue;
+        }
+
+        public override void Update(IDataModelVisualizationService dataModelVisualizationService)
+        {
+            // Display value gets updated by parent, don't do anything if it is null
+            if (DisplayValue == null)
+                return;
+
+            if (DisplayViewModel == null && dataModelVisualizationService.RegisteredDataModelDisplays.Any(d => d.SupportedType == DisplayValue.GetType()))
+                dataModelVisualizationService.GetDataModelDisplayViewModel(DisplayValue.GetType());
+
+            ListType = DisplayValue.GetType();
+            UpdateDisplayParameters();
+        }
+    }
+}

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

@@ -1,7 +1,8 @@
-using System.Collections;
-using System.Collections.Generic;
-using System.Linq;
+using System;
+using System.Collections;
 using System.Reflection;
+using Artemis.Core.Extensions;
+using Artemis.Core.Plugins.Abstract.DataModels;
 using Artemis.Core.Plugins.Abstract.DataModels.Attributes;
 using Artemis.UI.Shared.Services;
 using Stylet;
@@ -10,25 +11,12 @@ namespace Artemis.UI.Shared.DataModelVisualization.Shared
 {
     public class DataModelListViewModel : DataModelVisualizationViewModel
     {
-        private readonly IDataModelVisualizationService _dataModelVisualizationService;
-        private BindableCollection<DataModelVisualizationViewModel> _children;
         private string _count;
         private IList _list;
 
-        internal DataModelListViewModel(PropertyInfo propertyInfo, DataModelPropertyAttribute propertyDescription, DataModelVisualizationViewModel parent, 
-            IDataModelVisualizationService dataModelVisualizationService)
+        internal DataModelListViewModel(DataModel dataModel, DataModelVisualizationViewModel parent, PropertyInfo propertyInfo) : base(dataModel, parent, propertyInfo)
         {
-            _dataModelVisualizationService = dataModelVisualizationService;
-            PropertyInfo = propertyInfo;
-            Parent = parent;
-            PropertyDescription = propertyDescription;
-            Children = new BindableCollection<DataModelVisualizationViewModel>();
-        }
-
-        public BindableCollection<DataModelVisualizationViewModel> Children
-        {
-            get => _children;
-            set => SetAndNotify(ref _children, value);
+            ListChildren = new BindableCollection<DataModelVisualizationViewModel>();
         }
 
         public IList List
@@ -37,43 +25,67 @@ namespace Artemis.UI.Shared.DataModelVisualization.Shared
             set => SetAndNotify(ref _list, value);
         }
 
+        public BindableCollection<DataModelVisualizationViewModel> ListChildren { get; set; }
+
         public string Count
         {
             get => _count;
             set => SetAndNotify(ref _count, value);
         }
 
-        public override void Update()
+        public override void Update(IDataModelVisualizationService dataModelVisualizationService)
         {
-            if (PropertyInfo != null && Parent?.Model != null && PropertyInfo.GetValue(Parent.Model) is IList listValue)
-            {
-                Model = new List<object>(listValue.Cast<object>());
-                List = (IList) Model;
-            }
+            List = GetCurrentValue() as IList;
+            if (List == null)
+                return;
 
             var index = 0;
             foreach (var item in List)
             {
                 DataModelVisualizationViewModel child;
-                if (Children.Count <= index)
+                if (ListChildren.Count <= index)
                 {
-                    child = CreateChild(_dataModelVisualizationService, item);
-                    Children.Add(child);
+                    child = CreateListChild(dataModelVisualizationService, item.GetType());
+                    ListChildren.Add(child);
                 }
                 else
+                    child = ListChildren[index];
+
+                if (child is DataModelListPropertiesViewModel dataModelListClassViewModel)
                 {
-                    child = Children[index];
-                    child.Model = item;
+                    dataModelListClassViewModel.DisplayValue = item;
+                    dataModelListClassViewModel.Index = index;
+                }
+                else if (child is DataModelListPropertyViewModel dataModelListPropertyViewModel)
+                {
+                    dataModelListPropertyViewModel.DisplayValue = item;
+                    dataModelListPropertyViewModel.Index = index;
                 }
 
-                child.Update();
+                child.Update(dataModelVisualizationService);
                 index++;
             }
 
-            while (Children.Count > List.Count)
-                Children.RemoveAt(Children.Count - 1);
+            while (ListChildren.Count > List.Count)
+                ListChildren.RemoveAt(ListChildren.Count - 1);
 
-            Count = $"{Children.Count} {(Children.Count == 1 ? "item" : "items")}";
+            Count = $"{ListChildren.Count} {(ListChildren.Count == 1 ? "item" : "items")}";
+        }
+
+        protected DataModelVisualizationViewModel CreateListChild(IDataModelVisualizationService dataModelVisualizationService, Type listType)
+        {
+            // If a display VM was found, prefer to use that in any case
+            var typeViewModel = dataModelVisualizationService.GetDataModelDisplayViewModel(listType);
+            if (typeViewModel != null)
+                return new DataModelListPropertyViewModel(DataModel, this, PropertyInfo) {DisplayViewModel = typeViewModel};
+            // For primitives, create a property view model, it may be null that is fine
+            if (listType.IsPrimitive || listType == typeof(string))
+                return new DataModelListPropertyViewModel(DataModel, this, PropertyInfo);
+            // For other value types create a child view model
+            if (listType.IsClass || listType.IsStruct())
+                return new DataModelListPropertiesViewModel(DataModel, this, PropertyInfo);
+
+            return null;
         }
     }
 }

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

@@ -0,0 +1,42 @@
+using System.Linq;
+using System.Reflection;
+using Artemis.Core.Plugins.Abstract.DataModels;
+using Artemis.UI.Shared.Services;
+
+namespace Artemis.UI.Shared.DataModelVisualization.Shared
+{
+    public class DataModelPropertiesViewModel : DataModelVisualizationViewModel
+    {
+        internal DataModelPropertiesViewModel(DataModel dataModel, DataModelVisualizationViewModel parent, PropertyInfo propertyInfo) : base(dataModel, parent, propertyInfo)
+        {
+        }
+        
+        public override void Update(IDataModelVisualizationService dataModelVisualizationService)
+        {
+            PopulateProperties(dataModelVisualizationService);
+            foreach (var dataModelVisualizationViewModel in Children)
+                dataModelVisualizationViewModel.Update(dataModelVisualizationService);
+        }
+
+        public override object GetCurrentValue()
+        {
+            return Parent.IsRootViewModel ? DataModel : base.GetCurrentValue();
+        }
+
+     
+
+        private void PopulateProperties(IDataModelVisualizationService dataModelVisualizationService)
+        {
+            if (Children.Any())
+                return;
+
+            var modelType = Parent.IsRootViewModel ? DataModel.GetType() : PropertyInfo.PropertyType;
+            foreach (var propertyInfo in modelType.GetProperties())
+            {
+                var child = CreateChild(dataModelVisualizationService, propertyInfo);
+                if (child != null)
+                    Children.Add(child);
+            }
+        }
+    }
+}

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

@@ -1,20 +1,26 @@
-using System.Reflection;
-using Artemis.Core.Plugins.Abstract.DataModels.Attributes;
+using System.Linq;
+using System.Reflection;
+using Artemis.Core.Plugins.Abstract.DataModels;
+using Artemis.UI.Shared.Services;
 
 namespace Artemis.UI.Shared.DataModelVisualization.Shared
 {
     public class DataModelPropertyViewModel : DataModelVisualizationViewModel
     {
+        private object _displayValue;
         private DataModelDisplayViewModel _displayViewModel;
         private bool _showNull;
         private bool _showToString;
         private bool _showViewModel;
 
-        internal DataModelPropertyViewModel(PropertyInfo propertyInfo, DataModelPropertyAttribute propertyDescription, DataModelVisualizationViewModel parent)
+        internal DataModelPropertyViewModel(DataModel dataModel, DataModelVisualizationViewModel parent, PropertyInfo propertyInfo) : base(dataModel, parent, propertyInfo)
         {
-            PropertyInfo = propertyInfo;
-            Parent = parent;
-            PropertyDescription = propertyDescription;
+        }
+
+        public object DisplayValue
+        {
+            get => _displayValue;
+            set => SetAndNotify(ref _displayValue, value);
         }
 
         public DataModelDisplayViewModel DisplayViewModel
@@ -41,19 +47,22 @@ namespace Artemis.UI.Shared.DataModelVisualization.Shared
             set => SetAndNotify(ref _showViewModel, value);
         }
 
-        public override void Update()
+        public override void Update(IDataModelVisualizationService dataModelVisualizationService)
         {
-            if (PropertyInfo != null && Parent?.Model != null)
-            {
-                Model = PropertyInfo.GetValue(Parent.Model);
-                DisplayViewModel?.UpdateValue(Model);
-            }
+            if (DisplayViewModel == null && dataModelVisualizationService.RegisteredDataModelDisplays.Any(d => d.SupportedType == PropertyInfo.PropertyType))
+                dataModelVisualizationService.GetDataModelDisplayViewModel(PropertyInfo.PropertyType);
 
-            ShowToString = Model != null && DisplayViewModel == null;
-            ShowNull = Model == null;
-            ShowViewModel = Model != null && DisplayViewModel != null;
+            DisplayValue = GetCurrentValue();
+            UpdateDisplayParameters();
+        }
 
-            UpdateListStatus();
+        protected void UpdateDisplayParameters()
+        {
+            ShowToString = DisplayValue != null && DisplayViewModel == null;
+            ShowNull = DisplayValue == null;
+            ShowViewModel = DisplayValue != null && DisplayViewModel != null;
+
+            DisplayViewModel?.UpdateValue(DisplayValue);
         }
     }
 }

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

@@ -1,60 +0,0 @@
-using System.Reflection;
-using Artemis.Core.Extensions;
-using Artemis.Core.Plugins.Abstract.DataModels.Attributes;
-using Artemis.UI.Shared.Services;
-using Stylet;
-
-namespace Artemis.UI.Shared.DataModelVisualization.Shared
-{
-    public class DataModelViewModel : DataModelVisualizationViewModel
-    {
-        private readonly IDataModelVisualizationService _dataModelVisualizationService;
-        private BindableCollection<DataModelVisualizationViewModel> _children;
-
-        internal DataModelViewModel()
-        {
-            Children = new BindableCollection<DataModelVisualizationViewModel>();
-        }
-
-        internal DataModelViewModel(PropertyInfo propertyInfo, object model, DataModelPropertyAttribute propertyDescription, DataModelVisualizationViewModel parent,
-            IDataModelVisualizationService dataModelVisualizationService)
-        {
-            _dataModelVisualizationService = dataModelVisualizationService;
-            PropertyInfo = propertyInfo;
-            Model = model;
-            PropertyDescription = propertyDescription;
-            Parent = parent;
-            Children = new BindableCollection<DataModelVisualizationViewModel>();
-
-            PopulateProperties();
-        }
-
-        public BindableCollection<DataModelVisualizationViewModel> Children
-        {
-            get => _children;
-            set => SetAndNotify(ref _children, value);
-        }
-
-        public void PopulateProperties()
-        {
-            Children.Clear();
-            foreach (var propertyInfo in Model.GetType().GetProperties())
-            {
-                var child = CreateChild(_dataModelVisualizationService, propertyInfo);
-                if (child != null)
-                    Children.Add(child);
-            }
-        }
-
-        public override void Update()
-        {
-            if (PropertyInfo != null && PropertyInfo.PropertyType.IsStruct())
-                Model = PropertyInfo.GetValue(Parent.Model);
-
-            foreach (var dataModelVisualizationViewModel in Children)
-                dataModelVisualizationViewModel.Update();
-
-            UpdateListStatus();
-        }
-    }
-}

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

@@ -1,8 +1,11 @@
 using System;
 using System.Collections;
+using System.Linq;
 using System.Reflection;
 using Artemis.Core.Extensions;
+using Artemis.Core.Plugins.Abstract.DataModels;
 using Artemis.Core.Plugins.Abstract.DataModels.Attributes;
+using Artemis.UI.Shared.Exceptions;
 using Artemis.UI.Shared.Services;
 using Humanizer;
 using Stylet;
@@ -11,22 +14,31 @@ namespace Artemis.UI.Shared.DataModelVisualization.Shared
 {
     public abstract class DataModelVisualizationViewModel : PropertyChangedBase
     {
-        private bool _isListProperty;
-        private string _listDescription;
-        private object _model;
+        private BindableCollection<DataModelVisualizationViewModel> _children;
+        private DataModel _dataModel;
         private DataModelVisualizationViewModel _parent;
         private DataModelPropertyAttribute _propertyDescription;
         private PropertyInfo _propertyInfo;
-        private Type _propertyType;
 
-        internal DataModelVisualizationViewModel()
+        internal DataModelVisualizationViewModel(DataModel dataModel, DataModelVisualizationViewModel parent, PropertyInfo propertyInfo)
         {
+            DataModel = dataModel;
+            PropertyInfo = propertyInfo;
+            Parent = parent;
+            Children = new BindableCollection<DataModelVisualizationViewModel>();
+
+            if (dataModel == null && parent == null && propertyInfo == null)
+                IsRootViewModel = true;
+            else
+                GetDescription();
         }
 
-        public DataModelPropertyAttribute PropertyDescription
+        public bool IsRootViewModel { get; }
+
+        public DataModel DataModel
         {
-            get => _propertyDescription;
-            protected set => SetAndNotify(ref _propertyDescription, value);
+            get => _dataModel;
+            set => SetAndNotify(ref _dataModel, value);
         }
 
         public PropertyInfo PropertyInfo
@@ -35,10 +47,10 @@ namespace Artemis.UI.Shared.DataModelVisualization.Shared
             protected set => SetAndNotify(ref _propertyInfo, value);
         }
 
-        public Type PropertyType
+        public DataModelPropertyAttribute PropertyDescription
         {
-            get => _propertyType;
-            set => SetAndNotify(ref _propertyType, value);
+            get => _propertyDescription;
+            protected set => SetAndNotify(ref _propertyDescription, value);
         }
 
         public DataModelVisualizationViewModel Parent
@@ -47,25 +59,53 @@ namespace Artemis.UI.Shared.DataModelVisualization.Shared
             protected set => SetAndNotify(ref _parent, value);
         }
 
-        public object Model
+        public BindableCollection<DataModelVisualizationViewModel> Children
         {
-            get => _model;
-            set => SetAndNotify(ref _model, value);
+            get => _children;
+            set => SetAndNotify(ref _children, value);
         }
 
-        public bool IsListProperty
+        public abstract void Update(IDataModelVisualizationService dataModelVisualizationService);
+
+        public virtual object GetCurrentValue()
         {
-            get => _isListProperty;
-            set => SetAndNotify(ref _isListProperty, value);
+            return Parent == null ? null : PropertyInfo.GetValue(Parent.GetCurrentValue());
         }
 
-        public string ListDescription
+        public DataModelVisualizationViewModel GetChildByPath(Guid dataModelGuid, string propertyPath)
         {
-            get => _listDescription;
-            set => SetAndNotify(ref _listDescription, value);
+            var path = propertyPath.Split(".");
+            var currentPart = path.First();
+
+            if (IsRootViewModel)
+            {
+                var child = Children.FirstOrDefault(c => c.DataModel.PluginInfo.Guid == dataModelGuid);
+                return child?.GetChildByPath(dataModelGuid, propertyPath);
+            }
+            else
+            {
+                var child = Children.FirstOrDefault(c => c.DataModel.PluginInfo.Guid == dataModelGuid && c.PropertyInfo?.Name == currentPart);
+                if (child == null)
+                    return null;
+
+                if (path.Length > 1)
+                    return child.GetChildByPath(dataModelGuid, string.Join(".", path.Skip(1)));
+                return child;
+            }
+            
         }
 
-        public abstract void Update();
+        public string GetCurrentPath()
+        {
+            if (Parent == null)
+                return PropertyInfo?.Name;
+
+            if (PropertyInfo == null)
+                return Parent.GetCurrentPath();
+
+            var parentPath = Parent.GetCurrentPath();
+            return parentPath != null ? $"{parentPath}.{PropertyInfo.Name}" : PropertyInfo.Name;
+        }
 
         protected DataModelVisualizationViewModel CreateChild(IDataModelVisualizationService dataModelVisualizationService, PropertyInfo propertyInfo)
         {
@@ -73,64 +113,33 @@ namespace Artemis.UI.Shared.DataModelVisualization.Shared
             if (Attribute.IsDefined(propertyInfo, typeof(DataModelIgnoreAttribute)))
                 return null;
 
-            var dataModelPropertyAttribute = (DataModelPropertyAttribute) Attribute.GetCustomAttribute(propertyInfo, typeof(DataModelPropertyAttribute));
-            // If no DataModelProperty attribute was provided, pull one out of our ass
-            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};
+                return new DataModelPropertyViewModel(DataModel, this, propertyInfo) {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);
+                return new DataModelPropertyViewModel(DataModel, this, propertyInfo);
             if (typeof(IList).IsAssignableFrom(propertyInfo.PropertyType))
-                return new DataModelListViewModel(propertyInfo, dataModelPropertyAttribute, this, dataModelVisualizationService);
-            // For other value types create a child view model if the value type is not null
+                return new DataModelListViewModel(DataModel, this, propertyInfo);
+            // For other value types create a child view model
             if (propertyInfo.PropertyType.IsClass || propertyInfo.PropertyType.IsStruct())
-            {
-                var value = propertyInfo.GetValue(Model);
-                if (value == null)
-                    return null;
-
-                return new DataModelViewModel(propertyInfo, value, dataModelPropertyAttribute, this, dataModelVisualizationService);
-            }
+                return new DataModelPropertiesViewModel(DataModel, this, propertyInfo);
 
             return null;
         }
 
-        protected DataModelVisualizationViewModel CreateChild(IDataModelVisualizationService dataModelVisualizationService, object value)
+        private void GetDescription()
         {
-            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, dataModelVisualizationService);
-
-            return null;
-        }
-
-        protected void UpdateListStatus()
-        {
-            if (Parent is DataModelListViewModel listViewModel)
-            {
-                IsListProperty = true;
-                ListDescription = $"List item [{listViewModel.List.IndexOf(Model)}]";
-                PropertyType = Model.GetType();
-            }
+            // If this is the first child of a root view model, use the data model description
+            if (Parent.IsRootViewModel)
+                PropertyDescription = DataModel?.DataModelDescription;
+            // Rely on property info for the description
+            else if (PropertyInfo != null)
+                PropertyDescription = (DataModelPropertyAttribute) Attribute.GetCustomAttribute(PropertyInfo, typeof(DataModelPropertyAttribute)) ??
+                                      new DataModelPropertyAttribute {Name = PropertyInfo.Name.Humanize()};
             else
-            {
-                IsListProperty = false;
-                PropertyType = PropertyInfo?.PropertyType;
-            }
+                throw new ArtemisSharedUIException("Failed to get property description because plugin info is null but the parent has a datamodel");
         }
     }
 }

src/Artemis.UI.Shared/Exceptions/ArtemisUIException.cs

@@ -0,0 +1,19 @@
+using System;
+
+namespace Artemis.UI.Shared.Exceptions
+{
+    public class ArtemisSharedUIException : Exception
+    {
+        internal ArtemisSharedUIException()
+        {
+        }
+
+        internal ArtemisSharedUIException(string message) : base(message)
+        {
+        }
+
+        internal ArtemisSharedUIException(string message, Exception inner) : base(message, inner)
+        {
+        }
+    }
+}

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

@@ -18,6 +18,8 @@ namespace Artemis.UI.Shared.Services
         private readonly IKernel _kernel;
         private readonly List<DataModelVisualizationRegistration> _registeredDataModelDisplays;
         private readonly List<DataModelVisualizationRegistration> _registeredDataModelEditors;
+        private DataModelPropertiesViewModel _cachedMainDataModel;
+        private Dictionary<Plugin, DataModelPropertiesViewModel> _cachedDataModels;
 
         public DataModelVisualizationService(IDataModelService dataModelService, IKernel kernel)
         {
@@ -25,28 +27,66 @@ namespace Artemis.UI.Shared.Services
             _kernel = kernel;
             _registeredDataModelEditors = new List<DataModelVisualizationRegistration>();
             _registeredDataModelDisplays = new List<DataModelVisualizationRegistration>();
+            _cachedDataModels = new Dictionary<Plugin, DataModelPropertiesViewModel>();
         }
 
-        public DataModelViewModel GetMainDataModelVisualization()
+        public IReadOnlyCollection<DataModelVisualizationRegistration> RegisteredDataModelEditors => _registeredDataModelEditors.AsReadOnly();
+        public IReadOnlyCollection<DataModelVisualizationRegistration> RegisteredDataModelDisplays => _registeredDataModelDisplays.AsReadOnly();
+
+        public DataModelPropertiesViewModel GetMainDataModelVisualization(bool useCache)
         {
-            var viewModel = new DataModelViewModel();
+            // Return from cache if found
+            if (useCache && _cachedMainDataModel != null)
+                return _cachedMainDataModel;
+
+            var viewModel = new DataModelPropertiesViewModel(null, null, null);
             foreach (var dataModelExpansion in _dataModelService.DataModelExpansions)
-                viewModel.Children.Add(new DataModelViewModel(null, dataModelExpansion, dataModelExpansion.DataModelDescription, viewModel, this));
+                viewModel.Children.Add(new DataModelPropertiesViewModel(dataModelExpansion, viewModel, null));
+
+            // Update to populate children
+            viewModel.Update(this);
+
+            // Add to cache
+            _cachedMainDataModel = viewModel;
 
             return viewModel;
         }
 
-        public DataModelViewModel GetPluginDataModelVisualization(Plugin plugin)
+        public DataModelPropertiesViewModel GetPluginDataModelVisualization(Plugin plugin, bool useCache)
         {
+            // Return from cache if found
+            var isCached = _cachedDataModels.TryGetValue(plugin, out var cachedMainDataModel);
+            if (useCache && isCached)
+                return cachedMainDataModel;
+
             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));
+            var viewModel = new DataModelPropertiesViewModel(null, null, null);
+            viewModel.Children.Add(new DataModelPropertiesViewModel(dataModel, viewModel, null));
+
+            // Update to populate children
+            viewModel.Update(this);
+
+            // Add to cache
+            if (!isCached)
+                _cachedDataModels.Add(plugin, viewModel);
+
             return viewModel;
         }
 
+        public bool GetPluginExtendsDataModel(Plugin plugin)
+        {
+            return _dataModelService.GetPluginExtendsDataModel(plugin);
+        }
+
+        public void BustCache()
+        {
+            _cachedMainDataModel = null;
+            _cachedDataModels.Clear();
+        }
+
         public DataModelVisualizationRegistration RegisterDataModelInput<T>(PluginInfo pluginInfo) where T : DataModelInputViewModel
         {
             var viewModelType = typeof(T);
@@ -133,8 +173,17 @@ namespace Artemis.UI.Shared.Services
 
     public interface IDataModelVisualizationService : IArtemisSharedUIService
     {
-        DataModelViewModel GetMainDataModelVisualization();
-        DataModelViewModel GetPluginDataModelVisualization(Plugin plugin);
+        DataModelPropertiesViewModel GetMainDataModelVisualization(bool useCached);
+        DataModelPropertiesViewModel GetPluginDataModelVisualization(Plugin plugin, bool useCached);
+
+        /// <summary>
+        ///     Determines whether the given plugin expands the main data model
+        /// </summary>
+        /// <param name="plugin"></param>
+        /// <returns></returns>
+        bool GetPluginExtendsDataModel(Plugin plugin);
+
+        void BustCache();
 
         DataModelVisualizationRegistration RegisterDataModelInput<T>(PluginInfo pluginInfo) where T : DataModelInputViewModel;
         DataModelVisualizationRegistration RegisterDataModelDisplay<T>(PluginInfo pluginInfo) where T : DataModelDisplayViewModel;
@@ -142,5 +191,7 @@ namespace Artemis.UI.Shared.Services
         void RemoveDataModelDisplay(DataModelVisualizationRegistration registration);
 
         DataModelDisplayViewModel GetDataModelDisplayViewModel(Type propertyType);
+        IReadOnlyCollection<DataModelVisualizationRegistration> RegisteredDataModelEditors { get; }
+        IReadOnlyCollection<DataModelVisualizationRegistration> RegisteredDataModelDisplays { get; }
     }
 }

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

@@ -27,6 +27,7 @@ namespace Artemis.UI.Shared.Services.Interfaces
         void RedoUpdateProfile(ProfileModule module);
         void StopRegularRender();
         void ResumeRegularRender();
+        Module GetCurrentModule();
 
         /// <summary>
         ///     Occurs when a new profile is selected

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

@@ -189,6 +189,11 @@ namespace Artemis.UI.Shared.Services
             }
         }
 
+        public Module GetCurrentModule()
+        {
+            return (Module) SelectedProfile?.PluginInfo.Instance;
+        }
+
         public event EventHandler<ProfileElementEventArgs> ProfileSelected;
         public event EventHandler<ProfileElementEventArgs> SelectedProfileUpdated;
         public event EventHandler<ProfileElementEventArgs> ProfileElementSelected;

src/Artemis.UI/Bootstrapper.cs

@@ -34,7 +34,7 @@ namespace Artemis.UI
 
         protected override void Launch()
         {
-            var test = new LayerCondition();
+            var test = new DisplayCondition();
 
             StartupArguments = Args.ToList();
 

src/Artemis.UI/Exceptions/ArtemisUIException.cs

@@ -2,7 +2,6 @@
 
 namespace Artemis.UI.Exceptions
 {
-    // ReSharper disable once InconsistentNaming
     public class ArtemisUIException : Exception
     {
         public ArtemisUIException()

src/Artemis.UI/Ninject/Factories/IVMFactory.cs

@@ -1,9 +1,12 @@
 using Artemis.Core.Models.Profile;
+using Artemis.Core.Models.Profile.Conditions;
 using Artemis.Core.Models.Profile.LayerProperties.Attributes;
 using Artemis.Core.Models.Surface;
 using Artemis.Core.Plugins.Abstract;
 using Artemis.UI.Screens.Module;
 using Artemis.UI.Screens.Module.ProfileEditor;
+using Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions;
+using Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions.Abstract;
 using Artemis.UI.Screens.Module.ProfileEditor.LayerProperties;
 using Artemis.UI.Screens.Module.ProfileEditor.LayerProperties.Abstract;
 using Artemis.UI.Screens.Module.ProfileEditor.LayerProperties.LayerEffects;
@@ -71,6 +74,12 @@ namespace Artemis.UI.Ninject.Factories
         SelectionToolViewModel SelectionToolViewModel(ProfileViewModel profileViewModel);
         SelectionRemoveToolViewModel SelectionRemoveToolViewModel(ProfileViewModel profileViewModel);
     }
+    public interface IDisplayConditionsVmFactory : IVmFactory
+    {
+        DisplayConditionGroupViewModel DisplayConditionGroupViewModel(DisplayConditionGroup displayConditionGroup, DisplayConditionViewModel parent);
+        DisplayConditionListPredicateViewModel DisplayConditionListPredicateViewModel(DisplayConditionListPredicate displayConditionListPredicate, DisplayConditionViewModel parent);
+        DisplayConditionPredicateViewModel DisplayConditionPredicateViewModel(DisplayConditionPredicate displayConditionPredicate, DisplayConditionViewModel parent);
+    }
 
     public interface ILayerPropertyVmFactory : IVmFactory
     {

src/Artemis.UI/ResourceDictionaries/DisplayConditions.xaml

@@ -22,7 +22,7 @@
         </Style.Triggers>
     </Style>
 
-    <Style x:Key="DisplayConditionButtonLeftClickMenu" TargetType="{x:Type Button}" BasedOn="{StaticResource DisplayConditionButton}">
+   <Style x:Key="DisplayConditionButtonLeftClickMenu" TargetType="{x:Type Button}" BasedOn="{StaticResource DisplayConditionButton}">
         <Style.Triggers>
             <EventTrigger RoutedEvent="Click">
                 <EventTrigger.Actions>

src/Artemis.UI/Screens/Module/ProfileEditor/DisplayConditions/Abstract/DisplayConditionViewModel.cs

@@ -1,16 +1,28 @@
-using Stylet;
+using Artemis.Core.Models.Profile.Conditions;
+using Artemis.Core.Models.Profile.Conditions.Abstract;
+using Stylet;
 
 namespace Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions.Abstract
 {
     public abstract class DisplayConditionViewModel : PropertyChangedBase
     {
-        protected DisplayConditionViewModel()
+        protected DisplayConditionViewModel(DisplayConditionPart model, DisplayConditionViewModel parent)
         {
+            Model = model;
+            Parent = parent;
             Children = new BindableCollection<DisplayConditionViewModel>();
         }
 
+        public DisplayConditionPart Model { get; }
+        public DisplayConditionViewModel Parent { get; set; }
         public BindableCollection<DisplayConditionViewModel> Children { get; }
 
         public abstract void Update();
+
+        public void Delete()
+        {
+            Model.Parent.RemoveChild(Model);
+            Parent.Update();
+        }
     }
 }

src/Artemis.UI/Screens/Module/ProfileEditor/DisplayConditions/DisplayConditionGroupView.xaml

@@ -29,7 +29,8 @@
                 Visibility="{Binding IsRootGroup, Converter={x:Static s:BoolToVisibilityConverter.InverseInstance}, Mode=OneWay}"
                 Width="25"
                 Height="25"
-                Foreground="#E74C4C">
+                Foreground="#E74C4C"
+                Command="{s:Action Delete}">
             <materialDesign:PackIcon Kind="Close" Width="18" Height="18" />
         </Button>
         <Button Grid.Row="0"
@@ -37,25 +38,47 @@
                 Style="{StaticResource DisplayConditionButtonLeftClickMenu}"
                 Background="#E74C4C"
                 BorderBrush="#E74C4C"
-                Margin="3 1">
+                Margin="3 1"
+                Content="{Binding SelectedBooleanOperator}">
             <Button.ContextMenu>
                 <ContextMenu>
-                    <MenuItem Header="And" />
-                    <MenuItem Header="Or" />
-                    <MenuItem Header="And not" />
-                    <MenuItem Header="Or not" />
+                    <MenuItem Header="And" Command="{s:Action SelectBooleanOperator}" CommandParameter="And"/>
+                    <MenuItem Header="Or" Command="{s:Action SelectBooleanOperator}" CommandParameter="Or"/>
+                    <MenuItem Header="And not" Command="{s:Action SelectBooleanOperator}" CommandParameter="AndNot"/>
+                    <MenuItem Header="Or not" Command="{s:Action SelectBooleanOperator}" CommandParameter="OrNot"/>
                 </ContextMenu>
             </Button.ContextMenu>
-            Or
         </Button>
         <Button Grid.Row="0"
                 Grid.Column="2"
-                Style="{StaticResource MaterialDesignIconForegroundButton}"
                 HorizontalAlignment="Left"
                 Foreground="#4CE758"
                 Width="25"
                 Height="25">
+            <Button.Style>
+                <Style TargetType="{x:Type Button}" BasedOn="{StaticResource MaterialDesignIconForegroundButton}">
+                    <Style.Triggers>
+                    <EventTrigger RoutedEvent="Click">
+                        <EventTrigger.Actions>
+                            <BeginStoryboard>
+                                <Storyboard>
+                                    <BooleanAnimationUsingKeyFrames Storyboard.TargetProperty="ContextMenu.IsOpen">
+                                        <DiscreteBooleanKeyFrame KeyTime="0:0:0" Value="True"/>
+                                    </BooleanAnimationUsingKeyFrames>
+                                </Storyboard>
+                            </BeginStoryboard>
+                        </EventTrigger.Actions>
+                    </EventTrigger>
+                    </Style.Triggers>
+                </Style>
+            </Button.Style>
             <materialDesign:PackIcon Kind="Add" Width="18" Height="18" />
+            <Button.ContextMenu>
+                <ContextMenu>
+                    <MenuItem Header="Add condition" Command="{s:Action AddCondition}" />
+                    <MenuItem Header="Add group" Command="{s:Action AddGroup}" />
+                </ContextMenu>
+            </Button.ContextMenu>
         </Button>
 
         <ItemsControl Grid.Row="1" Grid.Column="1" Grid.ColumnSpan="2" ItemsSource="{Binding Children}">

src/Artemis.UI/Screens/Module/ProfileEditor/DisplayConditions/DisplayConditionGroupViewModel.cs

@@ -1,24 +1,80 @@
-using Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions.Abstract;
+using System;
+using System.Linq;
+using Artemis.Core.Models.Profile.Conditions;
+using Artemis.UI.Ninject.Factories;
+using Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions.Abstract;
+using Humanizer;
 
 namespace Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions
 {
     public class DisplayConditionGroupViewModel : DisplayConditionViewModel
     {
+        private readonly IDisplayConditionsVmFactory _displayConditionsVmFactory;
         private bool _isRootGroup;
 
+        public DisplayConditionGroupViewModel(DisplayConditionGroup displayConditionGroup, DisplayConditionViewModel parent, IDisplayConditionsVmFactory displayConditionsVmFactory) : base(displayConditionGroup, parent)
+        {
+            _displayConditionsVmFactory = displayConditionsVmFactory;
+        }
+
+        public DisplayConditionGroup DisplayConditionGroup => (DisplayConditionGroup) Model;
+
         public bool IsRootGroup
         {
             get => _isRootGroup;
             set => SetAndNotify(ref _isRootGroup, value);
         }
 
-        public DisplayConditionGroupViewModel()
+        public string SelectedBooleanOperator => DisplayConditionGroup.BooleanOperator.Humanize();
+
+        public void SelectBooleanOperator(string type)
         {
+            var enumValue = Enum.Parse<BooleanOperator>(type);
+            DisplayConditionGroup.BooleanOperator = enumValue;
+            NotifyOfPropertyChange(nameof(SelectedBooleanOperator));
+        }
+
+        public void AddCondition()
+        {
+            DisplayConditionGroup.AddChild(new DisplayConditionPredicate());
+            Update();
+        }
+
+        public void AddGroup()
+        {
+            DisplayConditionGroup.AddChild(new DisplayConditionGroup());
+            Update();
         }
 
         public override void Update()
         {
-            
+            NotifyOfPropertyChange(nameof(SelectedBooleanOperator));
+
+            // Remove VMs of effects no longer applied on the layer
+            var toRemove = Children.Where(c => !DisplayConditionGroup.Children.Contains(c.Model)).ToList();
+            Children.RemoveRange(toRemove);
+
+            foreach (var childModel in Model.Children)
+            {
+                if (Children.Any(c => c.Model == childModel))
+                    continue;
+
+                switch (childModel)
+                {
+                    case DisplayConditionGroup displayConditionGroup:
+                        Children.Add(_displayConditionsVmFactory.DisplayConditionGroupViewModel(displayConditionGroup, this));
+                        break;
+                    case DisplayConditionListPredicate displayConditionListPredicate:
+                        Children.Add(_displayConditionsVmFactory.DisplayConditionListPredicateViewModel(displayConditionListPredicate, this));
+                        break;
+                    case DisplayConditionPredicate displayConditionPredicate:
+                        Children.Add(_displayConditionsVmFactory.DisplayConditionPredicateViewModel(displayConditionPredicate, this));
+                        break;
+                }
+            }
+
+            foreach (var childViewModel in Children)
+                childViewModel.Update();
         }
     }
 }

src/Artemis.UI/Screens/Module/ProfileEditor/DisplayConditions/DisplayConditionListPredicateView.xaml

@@ -0,0 +1,13 @@
+<UserControl x:Class="Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions.DisplayConditionListPredicateView"
+             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.Screens.Module.ProfileEditor.DisplayConditions"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800"
+             d:DataContext="{d:DesignInstance Type=local:DisplayConditionListPredicateViewModel, IsDesignTimeCreatable=False}">
+    <Grid>
+            
+    </Grid>
+</UserControl>

src/Artemis.UI/Screens/Module/ProfileEditor/DisplayConditions/DisplayConditionListPredicateViewModel.cs

@@ -0,0 +1,18 @@
+using Artemis.Core.Models.Profile.Conditions;
+using Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions.Abstract;
+
+namespace Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions
+{
+    public class DisplayConditionListPredicateViewModel : DisplayConditionViewModel
+    {
+        public DisplayConditionListPredicateViewModel(DisplayConditionListPredicate displayConditionListPredicate, DisplayConditionViewModel parent) : base(displayConditionListPredicate, parent)
+        {
+        }
+
+        public DisplayConditionListPredicate DisplayConditionListPredicate => (DisplayConditionListPredicate) Model;
+
+        public override void Update()
+        {
+        }
+    }
+}

src/Artemis.UI/Screens/Module/ProfileEditor/DisplayConditions/DisplayConditionPredicateView.xaml

@@ -1,16 +1,28 @@
-<UserControl x:Class="Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions.DisplayConditionPredicateView"
-             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.Screens.Module.ProfileEditor.DisplayConditions"
-             xmlns:s="https://github.com/canton7/Stylet"
-             xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
-             mc:Ignorable="d"
-             d:DesignHeight="450" d:DesignWidth="800"
-             d:DataContext="{d:DesignInstance Type=local:DisplayConditionPredicateViewModel, IsDesignTimeCreatable=False}">
+<UserControl
+    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.Screens.Module.ProfileEditor.DisplayConditions"
+    xmlns:s="https://github.com/canton7/Stylet"
+    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
+    xmlns:converters="clr-namespace:Artemis.UI.Converters"
+    xmlns:utilities="clr-namespace:Artemis.UI.Utilities"
+    x:Class="Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions.DisplayConditionPredicateView"
+    mc:Ignorable="d"
+    d:DesignHeight="450" d:DesignWidth="800"
+    d:DataContext="{d:DesignInstance IsDesignTimeCreatable=False, Type={x:Type local:DisplayConditionPredicateViewModel}}"
+    x:Name="DisplayConditionPredicateRoot">
     <UserControl.Resources>
-        <ResourceDictionary Source="pack://application:,,,/Artemis.UI;component/ResourceDictionaries/DisplayConditions.xaml" />
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="pack://application:,,,/Artemis.UI;component/ResourceDictionaries/DisplayConditions.xaml" />
+                <ResourceDictionary>
+                    <converters:NullToVisibilityConverter x:Key="NullToVisibilityConverter" />
+                    <utilities:BindingProxy x:Key="DataContextProxy" Data="{Binding}" />
+                </ResourceDictionary>
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
     </UserControl.Resources>
     <Grid Margin="0 2">
         <Grid.ColumnDefinitions>
@@ -25,60 +37,45 @@
                 HorizontalAlignment="Left"
                 Foreground="#E74C4C"
                 Width="25"
-                Height="25">
+                Height="25"
+                Command="{s:Action Delete}">
             <materialDesign:PackIcon Kind="Close" Width="18" Height="18" />
         </Button>
         <Button Grid.Row="0"
                 Grid.Column="1"
-                Style="{StaticResource DisplayConditionButtonLeftClickMenu}"
                 Background="{DynamicResource SecondaryAccentBrush}"
-                BorderBrush="{DynamicResource SecondaryAccentBrush}">
+                BorderBrush="{DynamicResource SecondaryAccentBrush}"
+                Style="{StaticResource DisplayConditionButtonLeftClickMenu}">
             <Button.ContextMenu>
-                <ContextMenu>
-                    <MenuItem Header="Equals">
-                        <MenuItem.Icon>
-                            <materialDesign:PackIcon Kind="Equal" />
-                        </MenuItem.Icon>
-                    </MenuItem>
-                    <MenuItem Header="Does not equal">
-                        <MenuItem.Icon>
-                            <materialDesign:PackIcon Kind="NotEqualVariant" />
-                        </MenuItem.Icon>
-                    </MenuItem>
-                    <MenuItem Header="Contains">
-                        <MenuItem.Icon>
-                            <materialDesign:PackIcon Kind="Contain" />
-                        </MenuItem.Icon>
-                    </MenuItem>
-                    <MenuItem Header="Starts with">
-                        <MenuItem.Icon>
-                            <materialDesign:PackIcon Kind="ContainStart" />
-                        </MenuItem.Icon>
-                    </MenuItem>
-                    <MenuItem Header="Ends with">
-                        <MenuItem.Icon>
-                            <materialDesign:PackIcon Kind="ContainEnd" />
-                        </MenuItem.Icon>
-                    </MenuItem>
-                    <MenuItem Header="Does not contain">
-                        <MenuItem.Icon>
-                            <materialDesign:PackIcon Kind="FormatStrikethrough" />
-                        </MenuItem.Icon>
-                    </MenuItem>
-                    <MenuItem Header="Is null">
-                        <MenuItem.Icon>
-                            <materialDesign:PackIcon Kind="Null" />
-                        </MenuItem.Icon>
-                    </MenuItem>
+                <ContextMenu ItemsSource="{Binding DataModel.Children}">
+                    <ContextMenu.ItemContainerStyle>
+                        <Style TargetType="{x:Type MenuItem}" BasedOn="{StaticResource MaterialDesignMenuItem}">
+                            <Setter Property="ItemsSource" Value="{Binding Children}" />
+                            <Setter Property="Header" Value="{Binding PropertyDescription.Name}" />
+                            <Setter Property="ToolTip" Value="{Binding PropertyDescription.Description}" />
+                            <Setter Property="Command" Value="{Binding Data.SelectPropertyCommand, Source={StaticResource DataContextProxy}}" />
+                            <Setter Property="CommandParameter" Value="{Binding}" />
+                            <Setter Property="CommandTarget" Value="{Binding}" />
+                           
+                        </Style>
+                    </ContextMenu.ItemContainerStyle>
                 </ContextMenu>
             </Button.ContextMenu>
-            Category
+            <Grid>
+                <TextBlock Text="{Binding SelectedLeftSideProperty.PropertyDescription.Name}"
+                           ToolTip="{Binding SelectedLeftSideProperty.PropertyDescription.Description}"
+                           Visibility="{Binding SelectedLeftSideProperty, Converter={StaticResource NullToVisibilityConverter}}" />
+                <TextBlock Text="« Select a property »"
+                           FontStyle="Italic"
+                           Visibility="{Binding SelectedLeftSideProperty, Converter={StaticResource NullToVisibilityConverter}, ConverterParameter=Inverted}" />
+            </Grid>
         </Button>
+
         <Button Grid.Row="0"
                 Grid.Column="2"
                 Style="{StaticResource DisplayConditionButtonLeftClickMenu}"
                 Background="#7B7B7B"
-                BorderBrush="#7B7B7B">
+                BorderBrush="#7B7B7B" Content="Equals">
             <Button.ContextMenu>
                 <ContextMenu>
                     <MenuItem Header="Equals">
@@ -118,14 +115,11 @@
                     </MenuItem>
                 </ContextMenu>
             </Button.ContextMenu>
-            Equals
         </Button>
         <Button Grid.Row="0"
                 Grid.Column="3"
                 Style="{StaticResource DisplayConditionButton}"
                 Background="{DynamicResource PrimaryHueMidBrush}"
-                BorderBrush="{DynamicResource PrimaryHueMidBrush}">
-            Video Players
-        </Button>
+                BorderBrush="{DynamicResource PrimaryHueMidBrush}" Content="PredicateRightSide" />
     </Grid>
 </UserControl>

src/Artemis.UI/Screens/Module/ProfileEditor/DisplayConditions/DisplayConditionPredicateViewModel.cs

@@ -1,16 +1,86 @@
-using Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions.Abstract;
+using Artemis.Core.Models.Profile.Conditions;
+using Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions.Abstract;
+using Artemis.UI.Shared.DataModelVisualization.Shared;
+using Artemis.UI.Shared.Services;
+using Artemis.UI.Shared.Services.Interfaces;
+using Artemis.UI.Utilities;
 
 namespace Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions
 {
     public class DisplayConditionPredicateViewModel : DisplayConditionViewModel
     {
-        public DisplayConditionPredicateViewModel()
+        private readonly IDataModelVisualizationService _dataModelVisualizationService;
+        private readonly IProfileEditorService _profileEditorService;
+        private DataModelPropertiesViewModel _dataModel;
+        private DataModelVisualizationViewModel _selectedLeftSideProperty;
+        private bool _leftSidePropertySelectionOpen;
+
+        public DisplayConditionPredicateViewModel(DisplayConditionPredicate displayConditionPredicate, DisplayConditionViewModel parent,
+            IProfileEditorService profileEditorService, IDataModelVisualizationService dataModelVisualizationService) : base(displayConditionPredicate, parent)
         {
-            
+            _profileEditorService = profileEditorService;
+            _dataModelVisualizationService = dataModelVisualizationService;
+
+            SelectPropertyCommand = new DelegateCommand(ExecuteSelectProperty);
+
+            GetDataModel();
+        }
+
+        public DelegateCommand SelectPropertyCommand { get; }
+
+        public DataModelPropertiesViewModel DataModel
+        {
+            get => _dataModel;
+            set => SetAndNotify(ref _dataModel, value);
+        }
+
+        public DataModelVisualizationViewModel SelectedLeftSideProperty
+        {
+            get => _selectedLeftSideProperty;
+            set => SetAndNotify(ref _selectedLeftSideProperty, value);
+        }
+
+        public bool LeftSidePropertySelectionOpen
+        {
+            get => _leftSidePropertySelectionOpen;
+            set => SetAndNotify(ref _leftSidePropertySelectionOpen, value);
+        }
+
+
+        public DisplayConditionPredicate DisplayConditionPredicate => (DisplayConditionPredicate) Model;
+
+        public void ToggleLeftSidePropertySelectionOpen()
+        {
+            LeftSidePropertySelectionOpen = !LeftSidePropertySelectionOpen;
+        }
+
+        public void GetDataModel()
+        {
+            var mainDataModel = _dataModelVisualizationService.GetMainDataModelVisualization(true);
+            if (!_dataModelVisualizationService.GetPluginExtendsDataModel(_profileEditorService.GetCurrentModule()))
+                mainDataModel.Children.Add(_dataModelVisualizationService.GetPluginDataModelVisualization(_profileEditorService.GetCurrentModule(), true));
+
+            DataModel = mainDataModel;
+
+            Update();
         }
 
         public override void Update()
         {
+            if (DisplayConditionPredicate.PropertyPath != null)
+                SelectedLeftSideProperty = DataModel.GetChildByPath(DisplayConditionPredicate.DataModelGuid, DisplayConditionPredicate.PropertyPath);
+            else
+                SelectedLeftSideProperty = null;
+        }
+
+        private void ExecuteSelectProperty(object context)
+        {
+            if (!(context is DataModelVisualizationViewModel vm))
+                return;
+
+            DisplayConditionPredicate.PropertyPath = vm.GetCurrentPath();
+            DisplayConditionPredicate.DataModelGuid = vm.DataModel.PluginInfo.Guid;
+            Update();
         }
     }
 }

src/Artemis.UI/Screens/Module/ProfileEditor/DisplayConditions/DisplayConditionsViewModel.cs

@@ -1,27 +1,49 @@
-using Stylet;
+using System.Linq;
+using Artemis.Core.Models.Profile;
+using Artemis.Core.Models.Profile.Conditions;
+using Artemis.UI.Ninject.Factories;
+using Artemis.UI.Shared.DataModelVisualization.Shared;
+using Artemis.UI.Shared.Events;
+using Artemis.UI.Shared.Services;
+using Artemis.UI.Shared.Services.Interfaces;
 
 namespace Artemis.UI.Screens.Module.ProfileEditor.DisplayConditions
 {
     public class DisplayConditionsViewModel : ProfileEditorPanelViewModel
     {
+        private readonly IDisplayConditionsVmFactory _displayConditionsVmFactory;
+        private readonly IDataModelVisualizationService _dataModelVisualizationService;
         private DisplayConditionGroupViewModel _rootGroup;
 
+        public DisplayConditionsViewModel(IProfileEditorService profileEditorService, IDataModelVisualizationService dataModelVisualizationService,
+            IDisplayConditionsVmFactory displayConditionsVmFactory)
+        {
+            _dataModelVisualizationService = dataModelVisualizationService;
+            _displayConditionsVmFactory = displayConditionsVmFactory;
+            profileEditorService.ProfileElementSelected += ProfileEditorServiceOnProfileElementSelected;
+        }
+
         public DisplayConditionGroupViewModel RootGroup
         {
             get => _rootGroup;
             set => SetAndNotify(ref _rootGroup, value);
         }
 
-        public DisplayConditionsViewModel()
+        private void ProfileEditorServiceOnProfileElementSelected(object sender, ProfileElementEventArgs e)
         {
-            RootGroup = new DisplayConditionGroupViewModel {IsRootGroup = true};
-            var subGroup = new DisplayConditionGroupViewModel();
+            _dataModelVisualizationService.BustCache();
 
-            RootGroup.Children.Add(new DisplayConditionPredicateViewModel());
-            RootGroup.Children.Add(new DisplayConditionPredicateViewModel());
-            RootGroup.Children.Add(subGroup);
-            subGroup.Children.Add(new DisplayConditionPredicateViewModel());
-            subGroup.Children.Add(new DisplayConditionPredicateViewModel());
+            if (e.ProfileElement is Layer layer)
+            {
+                // Ensure the layer has a root display condition group
+                if (layer.DisplayConditionGroup == null)
+                    layer.DisplayConditionGroup = new DisplayConditionGroup();
+
+                RootGroup = _displayConditionsVmFactory.DisplayConditionGroupViewModel(layer.DisplayConditionGroup, null);
+                RootGroup.IsRootGroup = true;
+            }
+            else
+                RootGroup = null;
         }
     }
 }

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

@@ -5,15 +5,11 @@
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:local="clr-namespace:Artemis.UI.Screens.Settings.Debug.Tabs"
              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>
-        <converters:NullToVisibilityConverter x:Key="NullToVisibilityConverter" />
-    </UserControl.Resources>
     <Grid>
         <Grid.RowDefinitions>
             <RowDefinition Height="Auto" />
@@ -29,18 +25,18 @@
                 <ColumnDefinition Width="0.5*" />
             </Grid.ColumnDefinitions>
             <!-- Property searching (nyi) -->
-            <wpf:PackIcon Grid.Column="0" Kind="Search" VerticalAlignment="Center"/>
-            <TextBox Grid.Column="1" wpf:HintAssist.Hint="Search property" VerticalAlignment="Center" Margin="5 0" IsEnabled="False"/>
+            <wpf:PackIcon Grid.Column="0" Kind="Search" VerticalAlignment="Center" />
+            <TextBox Grid.Column="1" wpf:HintAssist.Hint="Search property" VerticalAlignment="Center" Margin="5 0" IsEnabled="False" />
 
             <!-- Module filtering -->
             <TextBlock Grid.Column="3" VerticalAlignment="Center">Filter module</TextBlock>
-            <ToggleButton Grid.Column="4" 
+            <ToggleButton Grid.Column="4"
                           VerticalAlignment="Center"
-                          Margin="5 0" 
-                          Style="{StaticResource MaterialDesignSwitchToggleButton}" 
+                          Margin="5 0"
+                          Style="{StaticResource MaterialDesignSwitchToggleButton}"
                           IsChecked="{Binding IsModuleFilterEnabled}" />
-            <ComboBox Grid.Column="5" 
-                      VerticalAlignment="Center" 
+            <ComboBox Grid.Column="5"
+                      VerticalAlignment="Center"
                       wpf:HintAssist.Hint="Select a module"
                       IsEditable="True"
                       TextSearch.TextPath="DisplayName"
@@ -51,8 +47,8 @@
                 <ComboBox.ItemTemplate>
                     <DataTemplate>
                         <StackPanel d:DataContext="{d:DesignInstance Type=plugins:Module}" Orientation="Horizontal">
-                            <wpf:PackIcon Kind="{Binding DisplayIcon}" VerticalAlignment="Center" Margin="0 0 5 0"/>
-                            <TextBlock Text="{Binding DisplayName}" VerticalAlignment="Center"></TextBlock>
+                            <wpf:PackIcon Kind="{Binding DisplayIcon}" VerticalAlignment="Center" Margin="0 0 5 0" />
+                            <TextBlock Text="{Binding DisplayName}" VerticalAlignment="Center" />
                         </StackPanel>
                     </DataTemplate>
                 </ComboBox.ItemTemplate>
@@ -60,24 +56,10 @@
         </Grid>
         <TreeView Grid.Row="1" ItemsSource="{Binding MainDataModel.Children}" HorizontalContentAlignment="Stretch">
             <TreeView.Resources>
-                <HierarchicalDataTemplate DataType="{x:Type dataModel:DataModelViewModel}" ItemsSource="{Binding Children}">
-                    <Grid>
-                        <TextBlock Text="{Binding PropertyDescription.Name}"
-                                   ToolTip="{Binding PropertyDescription.Description}"
-                                   Visibility="{Binding IsListProperty, Converter={x:Static s:BoolToVisibilityConverter.InverseInstance}, Mode=OneWay}" />
-                        <Grid Visibility="{Binding IsListProperty, Converter={x:Static s:BoolToVisibilityConverter.Instance}, Mode=OneWay}">
-                            <Grid.ColumnDefinitions>
-                                <ColumnDefinition Width="Auto" />
-                                <ColumnDefinition Width="*" />
-                            </Grid.ColumnDefinitions>
-                            <TextBlock Grid.Column="0" Margin="0 0 5 0" FontWeight="Bold">
-                                <Run>[</Run><Run Text="{Binding PropertyType.Name, Mode=OneWay}" /><Run>]</Run>
-                            </TextBlock>
-                            <TextBlock Grid.Column="1" Text="{Binding ListDescription}" ToolTip="{Binding PropertyDescription.Description}" />
-                        </Grid>
-                    </Grid>
+                <HierarchicalDataTemplate DataType="{x:Type dataModel:DataModelPropertiesViewModel}" ItemsSource="{Binding Children}">
+                    <TextBlock Text="{Binding PropertyDescription.Name}" ToolTip="{Binding PropertyDescription.Description}" />
                 </HierarchicalDataTemplate>
-                <HierarchicalDataTemplate DataType="{x:Type dataModel:DataModelListViewModel}" ItemsSource="{Binding Children}">
+                <HierarchicalDataTemplate DataType="{x:Type dataModel:DataModelListViewModel}" ItemsSource="{Binding ListChildren}">
                     <Grid>
                         <Grid.ColumnDefinitions>
                             <ColumnDefinition Width="Auto" />
@@ -104,20 +86,13 @@
 
                         <!-- Value description -->
                         <TextBlock Grid.Column="0" Margin="0 0 5 0" FontWeight="Bold">
-                            <Run>[</Run><Run Text="{Binding PropertyType.Name, Mode=OneWay}" /><Run>]</Run>
+                            <Run>[</Run><Run Text="{Binding PropertyInfo.PropertyType.Name, Mode=OneWay}" /><Run>]</Run>
                         </TextBlock>
-                        <TextBlock Grid.Column="1"
-                                   Text="{Binding PropertyDescription.Name}"
-                                   ToolTip="{Binding PropertyDescription.Description}"
-                                   Visibility="{Binding IsListProperty, Converter={x:Static s:BoolToVisibilityConverter.InverseInstance}, Mode=OneWay}" />
-                        <TextBlock Grid.Column="1"
-                                   Text="{Binding ListDescription}"
-                                   ToolTip="{Binding PropertyDescription.Description}"
-                                   Visibility="{Binding IsListProperty, Converter={x:Static s:BoolToVisibilityConverter.Instance}, Mode=OneWay}" />
-                       
+                        <TextBlock Grid.Column="1" Text="{Binding PropertyDescription.Name}" ToolTip="{Binding PropertyDescription.Description}" />
+
                         <!-- Value display -->
                         <TextBlock Grid.Column="2"
-                                   Text="{Binding Model, Mode=OneWay}"
+                                   Text="{Binding DisplayValue, Mode=OneWay}"
                                    FontFamily="Consolas"
                                    HorizontalAlignment="Right"
                                    Visibility="{Binding ShowToString, Converter={x:Static s:BoolToVisibilityConverter.Instance}, Mode=OneWay}" />
@@ -127,13 +102,51 @@
                                    HorizontalAlignment="Right"
                                    Foreground="{DynamicResource MaterialDesignCheckBoxDisabled}"
                                    Visibility="{Binding ShowNull, Converter={x:Static s:BoolToVisibilityConverter.Instance}, Mode=OneWay}" />
-                        <ContentControl Grid.Column="2" 
-                                        s:View.Model="{Binding DisplayViewModel}" 
+                        <ContentControl Grid.Column="2"
+                                        s:View.Model="{Binding DisplayViewModel}"
                                         FontFamily="Consolas"
-                                        Visibility="{Binding ShowViewModel, Converter={x:Static s:BoolToVisibilityConverter.Instance}, Mode=OneWay}"/>
-                        
+                                        Visibility="{Binding ShowViewModel, Converter={x:Static s:BoolToVisibilityConverter.Instance}, Mode=OneWay}" />
                     </Grid>
                 </HierarchicalDataTemplate>
+                <HierarchicalDataTemplate DataType="{x:Type dataModel:DataModelListPropertyViewModel}">
+                    <Grid>
+                        <Grid.ColumnDefinitions>
+                            <ColumnDefinition Width="Auto" />
+                            <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 ListType.Name, Mode=OneWay}" /><Run>]</Run>
+                        </TextBlock>
+                        <TextBlock Grid.Column="1" ToolTip="{Binding PropertyDescription.Description}">
+                            <Run>List item [</Run><Run Text="{Binding Index, Mode=OneWay}" /><Run>]</Run>
+                        </TextBlock>
+
+                        <!-- Value display -->
+                        <TextBlock Grid.Column="2"
+                                   Text="{Binding DisplayValue, Mode=OneWay}"
+                                   FontFamily="Consolas"
+                                   HorizontalAlignment="Right"
+                                   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 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>
+                <HierarchicalDataTemplate DataType="{x:Type dataModel:DataModelListPropertiesViewModel}" ItemsSource="{Binding Children}">
+                    <TextBlock>
+                        <Run>List item [</Run><Run Text="{Binding Index, Mode=OneWay}" /><Run>]</Run>
+                    </TextBlock>
+                </HierarchicalDataTemplate>
             </TreeView.Resources>
         </TreeView>
     </Grid>

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

@@ -17,7 +17,7 @@ namespace Artemis.UI.Screens.Settings.Debug.Tabs
         private readonly Timer _updateTimer;
         private bool _isModuleFilterEnabled;
         private Core.Plugins.Abstract.Module _selectedModule;
-        private DataModelViewModel _mainDataModel;
+        private DataModelPropertiesViewModel _mainDataModel;
         private string _propertySearch;
         private List<Core.Plugins.Abstract.Module> _modules;
 
@@ -26,12 +26,12 @@ namespace Artemis.UI.Screens.Settings.Debug.Tabs
             _dataModelVisualizationService = dataModelVisualizationService;
             _pluginService = pluginService;
             _updateTimer = new Timer(500);
-            _updateTimer.Elapsed += (sender, args) => MainDataModel.Update();
+            _updateTimer.Elapsed += (sender, args) => MainDataModel.Update(_dataModelVisualizationService);
 
             DisplayName = "Data model";
         }
 
-        public DataModelViewModel MainDataModel
+        public DataModelPropertiesViewModel MainDataModel
         {
             get => _mainDataModel;
             set => SetAndNotify(ref _mainDataModel, value);
@@ -93,8 +93,8 @@ namespace Artemis.UI.Screens.Settings.Debug.Tabs
         private void GetDataModel()
         {
             MainDataModel = SelectedModule != null
-                ? _dataModelVisualizationService.GetPluginDataModelVisualization(SelectedModule)
-                : _dataModelVisualizationService.GetMainDataModelVisualization();
+                ? _dataModelVisualizationService.GetPluginDataModelVisualization(SelectedModule, false)
+                : _dataModelVisualizationService.GetMainDataModelVisualization(false);
         }
 
         private void PluginServiceOnPluginToggled(object? sender, PluginEventArgs e)

src/Artemis.UI/Utilities/BindingProxy.cs

@@ -0,0 +1,26 @@
+using System.Windows;
+
+namespace Artemis.UI.Utilities
+{
+    public class BindingProxy : Freezable
+    {
+        // Using a DependencyProperty as the backing store for Data.  This enables animation, styling, binding, etc...
+        public static readonly DependencyProperty DataProperty =
+            DependencyProperty.Register("Data", typeof(object), typeof(BindingProxy), new UIPropertyMetadata(null));
+
+        public object Data
+        {
+            get => GetValue(DataProperty);
+            set => SetValue(DataProperty, value);
+        }
+
+        #region Overrides of Freezable
+
+        protected override Freezable CreateInstanceCore()
+        {
+            return new BindingProxy();
+        }
+
+        #endregion
+    }
+}

src/Artemis.UI/Utilities/DelegateCommand.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Windows.Input;
+
+namespace Artemis.UI.Utilities
+{
+    public class DelegateCommand : ICommand
+    {
+        private readonly Predicate<object> _canExecute;
+        private readonly Action<object> _execute;
+
+        public DelegateCommand(Action<object> execute) : this(execute, null)
+        {
+        }
+
+        public DelegateCommand(Action<object> execute, Predicate<object> canExecute)
+        {
+            _execute = execute;
+            _canExecute = canExecute;
+        }
+
+        public event EventHandler CanExecuteChanged;
+
+        public bool CanExecute(object parameter)
+        {
+            if (_canExecute == null) 
+                return true;
+
+            return _canExecute(parameter);
+        }
+
+        public void Execute(object parameter)
+        {
+            _execute(parameter);
+        }
+
+        public void RaiseCanExecuteChanged()
+        {
+            CanExecuteChanged?.Invoke(this, EventArgs.Empty);
+        }
+    }
+}