Nodes - Added node type registration system

Nodes - Moved models and node logic into core
Nodes - Added node service that leverages DI

src/Artemis.VisualScripting/Artemis.VisualScripting.csproj

@@ -37,6 +37,7 @@
 
   <ItemGroup>
     <PackageReference Include="JetBrains.Annotations" Version="2021.1.0" />
+    <PackageReference Include="Stylet" Version="1.3.6" />
   </ItemGroup>
 
   <ItemGroup>

src/Artemis.VisualScripting/Attributes/UIAttribute.cs

@@ -1,37 +0,0 @@
-using System;
-
-namespace Artemis.VisualScripting.Attributes
-{
-    public class UIAttribute : Attribute
-    {
-        #region Properties & Fields
-
-        public string Name { get; }
-        public string Description { get; set; }
-        public string Category { get; set; }
-
-        #endregion
-
-        #region Constructors
-
-        public UIAttribute(string name)
-        {
-            this.Name = name;
-        }
-
-        public UIAttribute(string name, string description)
-        {
-            this.Name = name;
-            this.Description = description;
-        }
-
-        public UIAttribute(string name, string description, string category)
-        {
-            this.Name = name;
-            this.Description = description;
-            this.Category = category;
-        }
-
-        #endregion
-    }
-}

src/Artemis.VisualScripting/Editor/Controls/VisualScriptEditor.cs

@@ -1,8 +1,7 @@
 using System.Collections.Generic;
 using System.Windows;
 using System.Windows.Controls;
-using Artemis.Core.VisualScripting;
-using Artemis.VisualScripting.Model;
+using Artemis.Core;
 
 namespace Artemis.VisualScripting.Editor.Controls
 {
@@ -15,11 +14,11 @@ namespace Artemis.VisualScripting.Editor.Controls
         #region Dependency Properties
 
         public static readonly DependencyProperty ScriptProperty = DependencyProperty.Register(
-            "Script", typeof(IScript), typeof(VisualScriptEditor), new PropertyMetadata(default(IScript)));
+            "Script", typeof(INodeScript), typeof(VisualScriptEditor), new PropertyMetadata(default(INodeScript)));
 
-        public IScript Script
+        public INodeScript Script
         {
-            get => (IScript)GetValue(ScriptProperty);
+            get => (INodeScript)GetValue(ScriptProperty);
             set => SetValue(ScriptProperty, value);
         }
 

src/Artemis.VisualScripting/Editor/Controls/VisualScriptNodeCreationBox.cs

@@ -5,7 +5,7 @@ using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Data;
 using System.Windows.Input;
-using Artemis.VisualScripting.Model;
+using Artemis.Core;
 
 namespace Artemis.VisualScripting.Editor.Controls
 {

src/Artemis.VisualScripting/Editor/Controls/VisualScriptPinPresenter.cs

@@ -4,8 +4,8 @@ using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Input;
 using System.Windows.Media;
+using Artemis.Core;
 using Artemis.VisualScripting.Editor.Controls.Wrapper;
-using Artemis.VisualScripting.Model;
 
 namespace Artemis.VisualScripting.Editor.Controls
 {

src/Artemis.VisualScripting/Editor/Controls/VisualScriptPresenter.cs

@@ -6,10 +6,10 @@ using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Input;
 using System.Windows.Media;
-using Artemis.Core.VisualScripting;
+using Artemis.Core;
 using Artemis.VisualScripting.Editor.Controls.Wrapper;
-using Artemis.VisualScripting.Model;
 using Artemis.VisualScripting.ViewModel;
+using VisualScript = Artemis.VisualScripting.Editor.Controls.Wrapper.VisualScript;
 
 namespace Artemis.VisualScripting.Editor.Controls
 {
@@ -58,11 +58,11 @@ namespace Artemis.VisualScripting.Editor.Controls
         #region Dependency Properties
 
         public static readonly DependencyProperty ScriptProperty = DependencyProperty.Register(
-            "Script", typeof(IScript), typeof(VisualScriptPresenter), new PropertyMetadata(default(IScript), ScriptChanged));
+            "Script", typeof(INodeScript), typeof(VisualScriptPresenter), new PropertyMetadata(default(INodeScript), ScriptChanged));
 
-        public IScript Script
+        public INodeScript Script
         {
-            get => (IScript)GetValue(ScriptProperty);
+            get => (INodeScript)GetValue(ScriptProperty);
             set => SetValue(ScriptProperty, value);
         }
 
@@ -188,7 +188,7 @@ namespace Artemis.VisualScripting.Editor.Controls
         {
             if (d is not VisualScriptPresenter scriptPresenter) return;
 
-            scriptPresenter.ScriptChanged(args.NewValue is not Script script ? null : new VisualScript(script, scriptPresenter.SurfaceSize, scriptPresenter.GridSize));
+            scriptPresenter.ScriptChanged(args.NewValue is not NodeScript script ? null : new VisualScript(script, scriptPresenter.SurfaceSize, scriptPresenter.GridSize));
         }
 
         private void ScriptChanged(VisualScript newScript)

src/Artemis.VisualScripting/Editor/Controls/Wrapper/VisualScript.cs

@@ -4,7 +4,7 @@ using System.Collections.ObjectModel;
 using System.Collections.Specialized;
 using System.Linq;
 using System.Windows;
-using Artemis.Core.VisualScripting;
+using Artemis.Core;
 using Artemis.VisualScripting.Events;
 using Artemis.VisualScripting.ViewModel;
 
@@ -19,7 +19,7 @@ namespace Artemis.VisualScripting.Editor.Controls.Wrapper
         private double _nodeDragAccumulationX;
         private double _nodeDragAccumulationY;
 
-        public IScript Script { get; }
+        public INodeScript Script { get; }
 
         public int SurfaceSize { get; }
         public int GridSize { get; }
@@ -56,7 +56,7 @@ namespace Artemis.VisualScripting.Editor.Controls.Wrapper
 
         #region Constructors
 
-        public VisualScript(IScript script, int surfaceSize, int gridSize)
+        public VisualScript(INodeScript script, int surfaceSize, int gridSize)
         {
             this.Script = script;
             this.SurfaceSize = surfaceSize;

src/Artemis.VisualScripting/Editor/Controls/Wrapper/VisualScriptCable.cs

@@ -1,6 +1,5 @@
 using System;
-using Artemis.Core.VisualScripting;
-using Artemis.VisualScripting.Model;
+using Artemis.Core;
 using Artemis.VisualScripting.ViewModel;
 
 namespace Artemis.VisualScripting.Editor.Controls.Wrapper

src/Artemis.VisualScripting/Editor/Controls/Wrapper/VisualScriptNode.cs

@@ -3,10 +3,8 @@ using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Linq;
-using Artemis.Core.VisualScripting;
+using Artemis.Core;
 using Artemis.VisualScripting.Events;
-using Artemis.VisualScripting.Internal;
-using Artemis.VisualScripting.Model;
 using Artemis.VisualScripting.ViewModel;
 
 namespace Artemis.VisualScripting.Editor.Controls.Wrapper
@@ -255,7 +253,7 @@ namespace Artemis.VisualScripting.Editor.Controls.Wrapper
             Script.RemoveNode(this);
         }
 
-        private bool RemoveCanExecute() => Node is not IExitNode;
+        private bool RemoveCanExecute() => !Node.IsExitNode;
 
         #endregion
     }

src/Artemis.VisualScripting/Editor/Controls/Wrapper/VisualScriptPin.cs

@@ -2,10 +2,9 @@
 using System.Collections.ObjectModel;
 using System.Linq;
 using System.Windows;
-using Artemis.Core.VisualScripting;
+using Artemis.Core;
 using Artemis.VisualScripting.Events;
 using Artemis.VisualScripting.Internal;
-using Artemis.VisualScripting.Model;
 using Artemis.VisualScripting.ViewModel;
 
 namespace Artemis.VisualScripting.Editor.Controls.Wrapper

src/Artemis.VisualScripting/Editor/Controls/Wrapper/VisualScriptPinCollection.cs

@@ -1,6 +1,6 @@
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
-using Artemis.Core.VisualScripting;
+using Artemis.Core;
 using Artemis.VisualScripting.ViewModel;
 
 namespace Artemis.VisualScripting.Editor.Controls.Wrapper

src/Artemis.VisualScripting/Editor/EditorStyles.xaml

@@ -6,8 +6,5 @@
         <ResourceDictionary Source="Styles/VisualScriptNodePresenter.xaml" />
         <ResourceDictionary Source="Styles/VisualScriptPinPresenter.xaml" />
         <ResourceDictionary Source="Styles/VisualScriptPresenter.xaml" />
-
-        <!-- TODO: Load external -->
-        <ResourceDictionary Source="../Nodes/Styles/StaticValueNodes.xaml" />
     </ResourceDictionary.MergedDictionaries>
 </ResourceDictionary>

src/Artemis.VisualScripting/Editor/Styles/VisualScriptNodeCreationBox.xaml

@@ -1,10 +1,10 @@
 <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                     xmlns:controls="clr-namespace:Artemis.VisualScripting.Editor.Controls"
-                    xmlns:model="clr-namespace:Artemis.VisualScripting.Model">
+                    xmlns:core="clr-namespace:Artemis.Core;assembly=Artemis.Core">
 
     <DataTemplate x:Key="TemplateNodeItem"
-                  DataType="{x:Type model:NodeData}">
+                  DataType="{x:Type core:NodeData}">
         <TextBlock Text="{Binding Name}" />
     </DataTemplate>
 

src/Artemis.VisualScripting/Editor/Styles/VisualScriptNodePresenter.xaml

@@ -2,7 +2,8 @@
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                     xmlns:controls="clr-namespace:Artemis.VisualScripting.Editor.Controls"
                     xmlns:wrapper="clr-namespace:Artemis.VisualScripting.Editor.Controls.Wrapper"
-                    xmlns:model="clr-namespace:Artemis.VisualScripting.Model">
+                    xmlns:core="clr-namespace:Artemis.Core;assembly=Artemis.Core"
+                    xmlns:s="https://github.com/canton7/Stylet">
 
     <Style x:Key="StyleButtonPinsModify"
            TargetType="Button">
@@ -73,7 +74,7 @@
 
         <Setter Property="ItemTemplate">
             <Setter.Value>
-                <DataTemplate DataType="{x:Type model:Pin}">
+                <DataTemplate DataType="{x:Type core:Pin}">
                     <controls:VisualScriptPinPresenter Margin="0,5,0,3"
                                                        Pin="{Binding .}" />
                 </DataTemplate>
@@ -88,7 +89,7 @@
 
         <Setter Property="ItemTemplate">
             <Setter.Value>
-                <DataTemplate DataType="{x:Type model:Pin}">
+                <DataTemplate DataType="{x:Type core:Pin}">
                     <controls:VisualScriptPinPresenter Margin="0,5,0,3"
                                                        Pin="{Binding .}" />
                 </DataTemplate>
@@ -108,7 +109,7 @@
                                       Style="{StaticResource StylePinListInput}" 
                                       ItemsSource="{Binding Pins}">
                             <ItemsControl.ItemTemplate>
-                                <DataTemplate DataType="{x:Type model:Pin}">
+                                <DataTemplate DataType="{x:Type core:Pin}">
                                     <StackPanel HorizontalAlignment="Left" Orientation="Horizontal">
                                         <controls:VisualScriptPinPresenter Margin="0,5,-3,3"
                                                                            Pin="{Binding .}" />
@@ -141,7 +142,7 @@
                                       Style="{StaticResource StylePinListOutput}" 
                                       ItemsSource="{Binding Pins}">
                             <ItemsControl.ItemTemplate>
-                                <DataTemplate DataType="{x:Type model:Pin}">
+                                <DataTemplate DataType="{x:Type core:Pin}">
                                     <StackPanel HorizontalAlignment="Right" Orientation="Horizontal">
                                         <Button Style="{StaticResource StyleButtonPinsModify}"
                                                 Command="{Binding DataContext.RemovePinCommand, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"
@@ -207,8 +208,7 @@
                         </Border>
 
                         <Border x:Name="BrdCustomView" Grid.Column="1">
-                            <ContentControl Content="{Binding Node.Node.CustomViewModel, RelativeSource={RelativeSource TemplatedParent}}"
-                                            ContentTemplate="{Binding Node.Node.CustomView, RelativeSource={RelativeSource TemplatedParent}}"/>
+                            <ContentControl s:View.Model="{Binding Node.CustomViewModel}"/>
                         </Border>
 
                         <Border x:Name="BrdOutputPins" Grid.Column="2">

src/Artemis.VisualScripting/Editor/Styles/VisualScriptPinPresenter.xaml

@@ -2,7 +2,8 @@
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                     xmlns:system="clr-namespace:System;assembly=System.Runtime"
                     xmlns:controls="clr-namespace:Artemis.VisualScripting.Editor.Controls"
-                    xmlns:model="clr-namespace:Artemis.VisualScripting.Model;assembly=Artemis.Core">
+                    xmlns:model="clr-namespace:Artemis.VisualScripting.Model;assembly=Artemis.Core"
+                    xmlns:core="clr-namespace:Artemis.Core;assembly=Artemis.Core">
 
     <ControlTemplate x:Key="TemplateVisualScriptPinPresenterInput"
                      TargetType="{x:Type controls:VisualScriptPinPresenter}">
@@ -75,7 +76,7 @@
         <Setter Property="Template" Value="{StaticResource TemplateVisualScriptPinPresenterInput}" />
 
         <Style.Triggers>
-            <DataTrigger Binding="{Binding Pin.Pin.Direction, RelativeSource={RelativeSource Self}}" Value="{x:Static model:PinDirection.Output}">
+            <DataTrigger Binding="{Binding Pin.Pin.Direction, RelativeSource={RelativeSource Self}}" Value="{x:Static core:PinDirection.Output}">
                 <Setter Property="Padding" Value="6,0,0,0" />
                 <Setter Property="Template" Value="{StaticResource TemplateVisualScriptPinPresenterOutput}" />
             </DataTrigger>

src/Artemis.VisualScripting/Internal/ExitNode.cs

@@ -1,40 +0,0 @@
-using Artemis.Core.VisualScripting;
-using Artemis.VisualScripting.Model;
-
-namespace Artemis.VisualScripting.Internal
-{
-    internal interface IExitNode : INode
-    { }
-
-    internal class ExitNode<T> : Node, IExitNode
-    {
-        #region Properties & Fields
-
-        public InputPin<T> Input { get; }
-
-        public T Value { get; private set; }
-
-        #endregion
-
-        #region Constructors
-
-        public ExitNode(string name, string description = "")
-        {
-            this.Name = name;
-            this.Description = description;
-
-            Input = CreateInputPin<T>();
-        }
-
-        #endregion
-
-        #region Methods
-
-        public override void Evaluate()
-        {
-            Value = Input.Value;
-        }
-
-        #endregion
-    }
-}

src/Artemis.VisualScripting/Internal/IsConnectingPin.cs

@@ -1,5 +1,5 @@
 using System;
-using Artemis.VisualScripting.Model;
+using Artemis.Core;
 
 namespace Artemis.VisualScripting.Internal
 {

src/Artemis.VisualScripting/Model/InputPin.cs

@@ -1,101 +0,0 @@
-using System;
-using Artemis.Core.VisualScripting;
-
-namespace Artemis.VisualScripting.Model
-{
-    public sealed class InputPin<T> : Pin
-    {
-        #region Properties & Fields
-
-        public override Type Type { get; } = typeof(T);
-        public override object PinValue => Value;
-        public override PinDirection Direction => PinDirection.Input;
-
-        private T _value;
-        public T Value
-        {
-            get
-            {
-                if (!IsEvaluated)
-                    Evaluate();
-
-                return _value;
-            }
-
-            private set
-            {
-                _value = value;
-                IsEvaluated = true;
-            }
-        }
-
-        #endregion
-
-        #region Constructors
-
-        internal InputPin(INode node, string name)
-            : base(node, name)
-        { }
-
-        #endregion
-
-        #region Methods
-        
-        private void Evaluate()
-        {
-            Value = ConnectedTo.Count > 0 ? (T)ConnectedTo[0].PinValue : default;
-        }
-
-        #endregion
-    }
-
-    public sealed class InputPin : Pin
-    {
-        #region Properties & Fields
-
-        public override Type Type { get; }
-        public override object PinValue => Value;
-        public override PinDirection Direction => PinDirection.Input;
-
-        private object _value;
-        public object Value
-        {
-            get
-            {
-                if (!IsEvaluated)
-                    Evaluate();
-
-                return _value;
-            }
-
-            private set
-            {
-                if (!Type.IsInstanceOfType(value)) throw new ArgumentException($"Value of type '{value?.GetType().Name ?? "null"}' can't be assigned to a pin of type {Type.Name}.");
-
-                _value = value;
-                IsEvaluated = true;
-            }
-        }
-
-        #endregion
-
-        #region Constructors
-
-        internal InputPin(INode node, Type type, string name)
-            : base(node, name)
-        {
-            this.Type = type;
-        }
-
-        #endregion
-
-        #region Methods
-
-        private void Evaluate()
-        {
-            Value = ConnectedTo.Count > 0 ? ConnectedTo[0].PinValue : default;
-        }
-
-        #endregion
-    }
-}

src/Artemis.VisualScripting/Model/InputPinCollection.cs

@@ -1,35 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using Artemis.Core.VisualScripting;
-
-namespace Artemis.VisualScripting.Model
-{
-    public sealed class InputPinCollection<T> : PinCollection
-    {
-        #region Properties & Fields
-
-        public override PinDirection Direction => PinDirection.Input;
-        public override Type Type => typeof(T);
-
-        public new IEnumerable<InputPin<T>> Pins => base.Pins.Cast<InputPin<T>>();
-
-        public IEnumerable<T> Values => Pins.Select(p => p.Value);
-
-        #endregion
-
-        #region Constructors
-
-        internal InputPinCollection(INode node, string name, int initialCount)
-            : base(node, name, initialCount)
-        { }
-
-        #endregion
-
-        #region Methods
-
-        protected override IPin CreatePin() => new InputPin<T>(Node, string.Empty);
-
-        #endregion
-    }
-}

src/Artemis.VisualScripting/Model/Node.cs

@@ -1,148 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.Windows;
-using Artemis.Core.VisualScripting;
-using Artemis.VisualScripting.ViewModel;
-
-namespace Artemis.VisualScripting.Model
-{
-    public abstract class Node : AbstractBindable, INode
-    {
-        #region Properties & Fields
-
-        private string _name;
-        public string Name
-        {
-            get => _name;
-            protected set => SetProperty(ref _name, value);
-        }
-
-        private string _description;
-        public string Description
-        {
-            get => _description;
-            protected set => SetProperty(ref _description, value);
-        }
-
-        private double _x;
-        public double X
-        {
-            get => _x;
-            set => SetProperty(ref _x, value);
-        }
-
-        private double _y;
-        public double Y
-        {
-            get => _y;
-            set => SetProperty(ref _y, value);
-        }
-
-        private readonly List<IPin> _pins = new();
-        public IReadOnlyCollection<IPin> Pins => new ReadOnlyCollection<IPin>(_pins);
-
-        private readonly List<IPinCollection> _pinCollections = new();
-        public IReadOnlyCollection<IPinCollection> PinCollections => new ReadOnlyCollection<IPinCollection>(_pinCollections);
-
-        public object CustomView { get; private set; }
-        public object CustomViewModel { get; private set; }
-
-        #endregion
-
-        #region Events
-
-        public event EventHandler Resetting;
-
-        #endregion
-
-        #region Construtors
-
-        protected Node()
-        { }
-
-        protected Node(string name, string description)
-        {
-            this.Name = name;
-            this.Description = description;
-        }
-
-        #endregion
-
-        #region Methods
-
-        protected InputPin<T> CreateInputPin<T>(string name = "")
-        {
-            InputPin<T> pin = new(this, name);
-            _pins.Add(pin);
-            OnPropertyChanged(nameof(Pins));
-            return pin;
-        }
-
-        protected InputPin CreateInputPin(Type type, string name = "")
-        {
-            InputPin pin = new(this, type, name);
-            _pins.Add(pin);
-            OnPropertyChanged(nameof(Pins));
-            return pin;
-        }
-
-        protected OutputPin<T> CreateOutputPin<T>(string name = "")
-        {
-            OutputPin<T> pin = new(this, name);
-            _pins.Add(pin);
-            OnPropertyChanged(nameof(Pins));
-            return pin;
-        }
-
-        protected OutputPin CreateOutputPin(Type type, string name = "")
-        {
-            OutputPin pin = new(this, type, name);
-            _pins.Add(pin);
-            OnPropertyChanged(nameof(Pins));
-            return pin;
-        }
-
-        protected bool RemovePin(Pin pin)
-        {
-            bool isRemoved = _pins.Remove(pin);
-            if (isRemoved)
-            {
-                pin.DisconnectAll();
-                OnPropertyChanged(nameof(Pins));
-            }
-            return isRemoved;
-        }
-
-        protected InputPinCollection<T> CreateInputPinCollection<T>(string name = "", int initialCount = 1)
-        {
-            InputPinCollection<T> pin = new(this, name, initialCount);
-            _pinCollections.Add(pin);
-            OnPropertyChanged(nameof(PinCollections));
-            return pin;
-        }
-
-        protected OutputPinCollection<T> CreateOutputPinCollection<T>(string name = "", int initialCount = 1)
-        {
-            OutputPinCollection<T> pin = new(this, name, initialCount);
-            _pinCollections.Add(pin);
-            OnPropertyChanged(nameof(PinCollections));
-            return pin;
-        }
-
-        protected void RegisterCustomView(DataTemplate view, object viewModel)
-        {
-            CustomView = view;
-            CustomViewModel = viewModel;
-        }
-
-        public abstract void Evaluate();
-
-        public virtual void Reset()
-        {
-            Resetting?.Invoke(this, new EventArgs());
-        }
-
-        #endregion
-    }
-}

src/Artemis.VisualScripting/Model/NodeData.cs

@@ -1,38 +0,0 @@
-using System;
-using Artemis.Core.VisualScripting;
-
-namespace Artemis.VisualScripting.Model
-{
-    public class NodeData
-    {
-        #region Properties & Fields
-
-        public Type Type { get; }
-        public string Name { get; }
-        public string Description { get; }
-        public string Category { get; }
-
-        private Func<INode> _create;
-
-        #endregion
-
-        #region Constructors
-
-        public NodeData(Type type, string name, string description, string category, Func<INode> create)
-        {
-            this.Type = type;
-            this.Name = name;
-            this.Description = description;
-            this.Category = category;
-            this._create = create;
-        }
-
-        #endregion
-
-        #region Methods
-
-        public INode CreateNode() => _create();
-
-        #endregion
-    }
-}

src/Artemis.VisualScripting/Model/OutputPin.cs

@@ -1,81 +0,0 @@
-using System;
-using Artemis.Core.VisualScripting;
-
-namespace Artemis.VisualScripting.Model
-{
-    public sealed class OutputPin<T> : Pin
-    {
-        #region Properties & Fields
-
-        public override Type Type { get; } = typeof(T);
-        public override object PinValue => Value;
-        public override PinDirection Direction => PinDirection.Output;
-
-        private T _value;
-        public T Value
-        {
-            get
-            {
-                if (!IsEvaluated)
-                    Node?.Evaluate();
-
-                return _value;
-            }
-            set
-            {
-                _value = value;
-                IsEvaluated = true;
-            }
-        }
-
-        #endregion
-
-        #region Constructors
-
-        internal OutputPin(INode node, string name)
-            : base(node, name)
-        { }
-
-        #endregion
-    }
-
-    public sealed class OutputPin : Pin
-    {
-        #region Properties & Fields
-
-        public override Type Type { get; }
-        public override object PinValue => Value;
-        public override PinDirection Direction => PinDirection.Output;
-
-        private object _value;
-        public object Value
-        {
-            get
-            {
-                if (!IsEvaluated)
-                    Node?.Evaluate();
-
-                return _value;
-            }
-            set
-            {
-                if (!Type.IsInstanceOfType(value)) throw new ArgumentException($"Value of type '{value?.GetType().Name ?? "null"}' can't be assigned to a pin of type {Type.Name}.");
-
-                _value = value;
-                IsEvaluated = true;
-            }
-        }
-
-        #endregion
-
-        #region Constructors
-
-        internal OutputPin(INode node, Type type, string name)
-            : base(node, name)
-        {
-            this.Type = type;
-        }
-
-        #endregion
-    }
-}

src/Artemis.VisualScripting/Model/OutputPinCollection.cs

@@ -1,29 +0,0 @@
-using System;
-using Artemis.Core.VisualScripting;
-
-namespace Artemis.VisualScripting.Model
-{
-    public sealed class OutputPinCollection<T> : PinCollection
-    {
-        #region Properties & Fields
-
-        public override PinDirection Direction => PinDirection.Output;
-        public override Type Type => typeof(T);
-
-        #endregion
-
-        #region Constructors
-
-        internal OutputPinCollection(INode node, string name, int initialCount)
-            : base(node, name, initialCount)
-        { }
-
-        #endregion
-
-        #region Methods
-
-        protected override IPin CreatePin() => new OutputPin<T>(Node, string.Empty);
-
-        #endregion
-    }
-}

src/Artemis.VisualScripting/Model/Pin.cs

@@ -1,72 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using Artemis.Core.VisualScripting;
-using Artemis.VisualScripting.ViewModel;
-
-namespace Artemis.VisualScripting.Model
-{
-    public abstract class Pin : AbstractBindable, IPin
-    {
-        #region Properties & Fields
-
-        public INode Node { get; }
-        public string Name { get; }
-
-        private bool _isEvaluated;
-        public bool IsEvaluated
-        {
-            get => _isEvaluated;
-            set => SetProperty(ref _isEvaluated, value);
-        }
-
-        private readonly List<IPin> _connectedTo = new();
-        public IReadOnlyList<IPin> ConnectedTo => new ReadOnlyCollection<IPin>(_connectedTo);
-
-        public abstract PinDirection Direction { get; }
-        public abstract Type Type { get; }
-        public abstract object PinValue { get; }
-
-        #endregion
-
-        #region Constructors
-
-        protected Pin(INode node, string name = "")
-        {
-            this.Node = node;
-            this.Name = name;
-
-            if (Node != null)
-                Node.Resetting += OnNodeResetting;
-        }
-
-        #endregion
-
-        #region Methods
-
-        public void ConnectTo(IPin pin)
-        {
-            _connectedTo.Add(pin);
-            OnPropertyChanged(nameof(ConnectedTo));
-        }
-
-        public void DisconnectFrom(IPin pin)
-        {
-            _connectedTo.Remove(pin);
-            OnPropertyChanged(nameof(ConnectedTo));
-        }
-
-        public void DisconnectAll()
-        {
-            _connectedTo.Clear();
-            OnPropertyChanged(nameof(ConnectedTo));
-        }
-
-        private void OnNodeResetting(object sender, EventArgs e)
-        {
-            IsEvaluated = false;
-        }
-
-        #endregion
-    }
-}

src/Artemis.VisualScripting/Model/PinCollection.cs

@@ -1,55 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using Artemis.Core.VisualScripting;
-
-namespace Artemis.VisualScripting.Model
-{
-    public abstract class PinCollection : IPinCollection
-    {
-        #region Properties & Fields
-
-        public INode Node { get; }
-        public string Name { get; }
-
-        public abstract PinDirection Direction { get; }
-        public abstract Type Type { get; }
-
-        private readonly ObservableCollection<IPin> _pins = new();
-        public ReadOnlyObservableCollection<IPin> Pins => new(_pins);
-
-        #endregion
-
-        #region Constructors
-
-        protected PinCollection(INode node, string name, int initialCount)
-        {
-            this.Node = node;
-            this.Name = name;
-
-            for (int i = 0; i < initialCount; i++)
-                AddPin();
-        }
-
-        #endregion
-
-        #region Methods
-
-        public IPin AddPin()
-        {
-            IPin pin = CreatePin();
-            _pins.Add(pin);
-            return pin;
-        }
-
-        public bool Remove(IPin pin) => _pins.Remove(pin);
-
-        protected abstract IPin CreatePin();
-
-        public IEnumerator<IPin> GetEnumerator() => Pins.GetEnumerator();
-        IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
-
-        #endregion
-    }
-}

src/Artemis.VisualScripting/Model/Script.cs

@@ -1,91 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using Artemis.Core.VisualScripting;
-using Artemis.VisualScripting.Internal;
-using Artemis.VisualScripting.ViewModel;
-using JetBrains.Annotations;
-
-namespace Artemis.VisualScripting.Model
-{
-    public abstract class Script : AbstractBindable, IScript
-    {
-        #region Properties & Fields
-
-        public string Name { get; }
-        public string Description { get; }
-
-        private readonly List<INode> _nodes = new();
-        public IEnumerable<INode> Nodes => new ReadOnlyCollection<INode>(_nodes);
-
-        protected INode ExitNode { get; set; }
-        public abstract Type ResultType { get; }
-
-        #endregion
-
-        #region Constructors
-
-        public Script(string name, string description)
-        {
-            this.Name = name;
-            this.Description = description;
-        }
-
-        #endregion
-
-        #region Methods
-
-        public void Run()
-        {
-            foreach (INode node in Nodes)
-                node.Reset();
-
-            ExitNode.Evaluate();
-        }
-
-        public void AddNode(INode node)
-        {
-            _nodes.Add(node);
-        }
-
-        public void RemoveNode(INode node)
-        {
-            _nodes.Remove(node);
-        }
-        
-        public void Dispose()
-        { }
-
-        #endregion
-    }
-
-    public class Script<T> : Script, IScript<T>
-    {
-        #region Properties & Fields
-
-        public T Result => ((ExitNode<T>)ExitNode).Value;
-
-        public override Type ResultType => typeof(T);
-
-        #endregion
-
-        #region Constructors
-
-        public Script(string name, string description)
-            : base(name, description)
-        {
-            ExitNode = new ExitNode<T>(name, description);
-            AddNode(ExitNode);
-        }
-
-        [UsedImplicitly(ImplicitUseKindFlags.InstantiatedWithFixedConstructorSignature)]
-        private Script(string name, string description, INode exitNode)
-            : base(name, description)
-        {
-            ExitNode = exitNode;
-            AddNode(ExitNode);
-        }
-
-        #endregion
-    }
-}

src/Artemis.VisualScripting/Nodes/BoolOperations.cs

@@ -1,10 +1,9 @@
 using System.Collections;
-using Artemis.VisualScripting.Attributes;
-using Artemis.VisualScripting.Model;
+using Artemis.Core;
 
 namespace Artemis.VisualScripting.Nodes
 {
-    [UI("Greater than", "Checks if the first input is greater than the second.")]
+    [Node("Greater than", "Checks if the first input is greater than the second.")]
     public class GreaterThanNode : Node
     {
         #region Properties & Fields
@@ -45,7 +44,7 @@ namespace Artemis.VisualScripting.Nodes
         #endregion
     }
 
-    [UI("Less than", "Checks if the first input is less than the second.")]
+    [Node("Less than", "Checks if the first input is less than the second.")]
     public class LessThanNode : Node
     {
         #region Properties & Fields
@@ -86,7 +85,7 @@ namespace Artemis.VisualScripting.Nodes
         #endregion
     }
 
-    [UI("Equals", "Checks if the two inputs are equals.")]
+    [Node("Equals", "Checks if the two inputs are equals.")]
     public class EqualsNode : Node
     {
         #region Properties & Fields
@@ -127,7 +126,7 @@ namespace Artemis.VisualScripting.Nodes
         #endregion
     }
 
-    [UI("Negate", "Negates the boolean.")]
+    [Node("Negate", "Negates the boolean.")]
     public class NegateNode : Node
     {
         #region Properties & Fields

src/Artemis.VisualScripting/Nodes/ConvertNodes.cs

@@ -1,9 +1,8 @@
-using Artemis.VisualScripting.Attributes;
-using Artemis.VisualScripting.Model;
+using Artemis.Core;
 
 namespace Artemis.VisualScripting.Nodes
 {
-    [UI("To String", "Converts the input to a string.")]
+    [Node("To String", "Converts the input to a string.")]
     public class ConvertToStringNode : Node
     {
         #region Properties & Fields
@@ -35,7 +34,7 @@ namespace Artemis.VisualScripting.Nodes
         #endregion
     }
 
-    [UI("To Integer", "Converts the input to an integer.")]
+    [Node("To Integer", "Converts the input to an integer.")]
     public class ConvertToIntegerNode : Node
     {
         #region Properties & Fields
@@ -70,7 +69,7 @@ namespace Artemis.VisualScripting.Nodes
         #endregion
     }
 
-    [UI("To Double", "Converts the input to a double.")]
+    [Node("To Double", "Converts the input to a double.")]
     public class ConvertToDoubleNode : Node
     {
         #region Properties & Fields

src/Artemis.VisualScripting/Nodes/CustomViewModels/StaticDoubleValueNodeCustomViewModel.cs

@@ -0,0 +1,15 @@
+using Stylet;
+
+namespace Artemis.VisualScripting.Nodes.CustomViewModels
+{
+    public class StaticDoubleValueNodeCustomViewModel : PropertyChangedBase
+    {
+        private double _input;
+
+        public double Input
+        {
+            get => _input;
+            set => SetAndNotify(ref _input, value);
+        }
+    }
+}

src/Artemis.VisualScripting/Nodes/CustomViewModels/StaticIntegerValueNodeCustomViewModel.cs

@@ -0,0 +1,15 @@
+using Stylet;
+
+namespace Artemis.VisualScripting.Nodes.CustomViewModels
+{
+    public class StaticIntegerValueNodeCustomViewModel : PropertyChangedBase
+    {
+        private int _input;
+
+        public int Input
+        {
+            get => _input;
+            set => SetAndNotify(ref _input, value);
+        }
+    }
+}

src/Artemis.VisualScripting/Nodes/CustomViewModels/StaticStringValueNodeCustomViewModel.cs

@@ -0,0 +1,15 @@
+using Stylet;
+
+namespace Artemis.VisualScripting.Nodes.CustomViewModels
+{
+    public class StaticStringValueNodeCustomViewModel : PropertyChangedBase
+    {
+        private string _input;
+
+        public string Input
+        {
+            get => _input;
+            set => SetAndNotify(ref _input, value);
+        }
+    }
+}

src/Artemis.VisualScripting/Nodes/CustomViews/StaticDoubleValueNodeCustomView.xaml

@@ -0,0 +1,12 @@
+<UserControl x:Class="Artemis.VisualScripting.Nodes.CustomViews.StaticDoubleValueNodeCustomView"
+             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.VisualScripting.Nodes.CustomViewModels"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <TextBox VerticalAlignment="Center"
+             HorizontalAlignment="Stretch"
+             Text="{Binding Input}" />
+</UserControl>

src/Artemis.VisualScripting/Nodes/CustomViews/StaticIntegerValueNodeCustomView.xaml

@@ -0,0 +1,12 @@
+<UserControl x:Class="Artemis.VisualScripting.Nodes.CustomViews.StaticIntegerValueNodeCustomView"
+             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.VisualScripting.Nodes.CustomViewModels"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <TextBox VerticalAlignment="Center"
+             HorizontalAlignment="Stretch"
+             Text="{Binding Input}" />
+</UserControl>

src/Artemis.VisualScripting/Nodes/CustomViews/StaticStringValueNodeCustomView.xaml

@@ -0,0 +1,12 @@
+<UserControl x:Class="Artemis.VisualScripting.Nodes.CustomViews.StaticStringValueNodeCustomView"
+             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.VisualScripting.Nodes.CustomViewModels"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <TextBox VerticalAlignment="Center"
+             HorizontalAlignment="Stretch"
+             Text="{Binding Input}" />
+</UserControl>

src/Artemis.VisualScripting/Nodes/StaticValueNodes.cs

@@ -1,10 +1,9 @@
-using System.Windows;
-using Artemis.VisualScripting.Attributes;
-using Artemis.VisualScripting.Model;
+using Artemis.Core;
+using Artemis.VisualScripting.Nodes.CustomViewModels;
 
 namespace Artemis.VisualScripting.Nodes
 {
-    [UI("Integer-Value", "Outputs an configurable integer value.")]
+    [Node("Integer-Value", "Outputs an configurable integer value.")]
     public class StaticIntegerValueNode : Node
     {
         #region Properties & Fields
@@ -21,7 +20,7 @@ namespace Artemis.VisualScripting.Nodes
             : base("Integer", "Outputs an configurable integer value.")
         {
             Output = CreateOutputPin<int>();
-            RegisterCustomView(Application.Current.FindResource("StaticValueCustomViewTemplate") as DataTemplate, _customViewModel);
+            RegisterCustomViewModel<StaticIntegerValueNodeCustomViewModel>();
         }
 
         #endregion
@@ -36,7 +35,7 @@ namespace Artemis.VisualScripting.Nodes
         #endregion
     }
 
-    [UI("Double-Value", "Outputs a configurable double value.")]
+    [Node("Double-Value", "Outputs a configurable double value.")]
     public class StaticDoubleValueNode : Node
     {
         #region Properties & Fields
@@ -53,7 +52,7 @@ namespace Artemis.VisualScripting.Nodes
             : base("Double", "Outputs a configurable double value.")
         {
             Output = CreateOutputPin<double>();
-            RegisterCustomView(Application.Current.FindResource("StaticValueCustomViewTemplate") as DataTemplate, _customViewModel);
+            RegisterCustomViewModel<StaticDoubleValueNodeCustomViewModel>();
         }
 
         #endregion
@@ -68,7 +67,7 @@ namespace Artemis.VisualScripting.Nodes
         #endregion
     }
 
-    [UI("String-Value", "Outputs a configurable string value.")]
+    [Node("String-Value", "Outputs a configurable string value.")]
     public class StaticStringValueNode : Node
     {
         #region Properties & Fields
@@ -85,7 +84,7 @@ namespace Artemis.VisualScripting.Nodes
             : base("String", "Outputs a configurable string value.")
         {
             Output = CreateOutputPin<string>();
-            RegisterCustomView(Application.Current.FindResource("StaticValueCustomViewTemplate") as DataTemplate, _customViewModel);
+            RegisterCustomViewModel<StaticStringValueNodeCustomViewModel>();
         }
 
         #endregion
@@ -102,20 +101,7 @@ namespace Artemis.VisualScripting.Nodes
 
     #region CustomViewModels
 
-    public class StaticIntegerValueNodeCustomViewModel
-    {
-        public int Input { get; set; }
-    }
 
-    public class StaticDoubleValueNodeCustomViewModel
-    {
-        public double Input { get; set; }
-    }
-
-    public class StaticStringValueNodeCustomViewModel
-    {
-        public string Input { get; set; }
-    }
 
     #endregion
 }

src/Artemis.VisualScripting/Nodes/StringFormatNode.cs

@@ -1,10 +1,9 @@
 using System.Linq;
-using Artemis.VisualScripting.Attributes;
-using Artemis.VisualScripting.Model;
+using Artemis.Core;
 
 namespace Artemis.VisualScripting.Nodes
 {
-    [UI("Format", "Formats the input string.")]
+    [Node("Format", "Formats the input string.")]
     public class StringFormatNode : Node
     {
         #region Properties & Fields

src/Artemis.VisualScripting/Nodes/Styles/StaticValueNodes.xaml

@@ -1,12 +0,0 @@
-<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-                    xmlns:nodes="clr-namespace:Artemis.VisualScripting.Nodes">
-
-    <DataTemplate x:Key="StaticValueCustomViewTemplate"
-                  DataType="{x:Type nodes:StaticIntegerValueNodeCustomViewModel}">
-        <TextBox VerticalAlignment="Center"
-                 HorizontalAlignment="Stretch"
-                 Text="{Binding Input}" />
-    </DataTemplate>
-
-</ResourceDictionary>

src/Artemis.VisualScripting/Nodes/SumNode.cs

@@ -1,10 +1,9 @@
 using System.Linq;
-using Artemis.VisualScripting.Attributes;
-using Artemis.VisualScripting.Model;
+using Artemis.Core;
 
 namespace Artemis.VisualScripting.Nodes
 {
-    [UI("Sum (Integer)", "Sums the connected integer values.")]
+    [Node("Sum (Integer)", "Sums the connected integer values.")]
     public class SumIntegersNode : Node
     {
         #region Properties & Fields
@@ -36,7 +35,7 @@ namespace Artemis.VisualScripting.Nodes
         #endregion
     }
 
-    [UI("Sum (Double)", "Sums the connected double values.")]
+    [Node("Sum (Double)", "Sums the connected double values.")]
     public class SumDoublesNode : Node
     {
         #region Properties & Fields

src/Artemis.VisualScripting/Services/NodeService.cs

@@ -1,59 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.Linq;
-using System.Reflection;
-using Artemis.Core.VisualScripting;
-using Artemis.VisualScripting.Attributes;
-using Artemis.VisualScripting.Model;
-
-namespace Artemis.VisualScripting.Services
-{
-    //TODO DarthAffe 09.07.2021: Make this Static?
-    public class NodeService
-    {
-        #region Constants
-
-        private static readonly Type TYPE_NODE = typeof(INode);
-
-        #endregion
-
-        #region Properties & Fields
-
-        private Dictionary<Type, NodeData> _nodeData { get; } = new();
-        public IReadOnlyDictionary<Type, NodeData> NodeData => new ReadOnlyDictionary<Type, NodeData>(_nodeData);
-        public IEnumerable<NodeData> AvailableNodes => _nodeData.Values;
-
-        #endregion
-
-        #region Methods
-
-        public void InitializeNodes()
-        {
-            foreach (Type nodeType in typeof(NodeService).Assembly.GetTypes().Where(t => typeof(INode).IsAssignableFrom(t) && t.IsPublic && !t.IsAbstract && !t.IsInterface))
-                InitializeNode(nodeType);
-        }
-
-        public void InitializeNode<T>()
-            where T : INode
-            => InitializeNode(typeof(T));
-
-        public void InitializeNode(Type nodeType)
-        {
-            if (!TYPE_NODE.IsAssignableFrom(nodeType)) throw new ArgumentException("Node has to be a base type of the Node-Type.", nameof(nodeType));
-            if (_nodeData.ContainsKey(nodeType)) return;
-
-            UIAttribute uiAttribute = nodeType.GetCustomAttribute<UIAttribute>();
-            string name = uiAttribute?.Name ?? nodeType.Name;
-            string description = uiAttribute?.Description ?? string.Empty;
-            string category = uiAttribute?.Category ?? string.Empty;
-
-            NodeData nodeData = new(nodeType, name, description, category, () => CreateNode(nodeType));
-            _nodeData.Add(nodeType, nodeData);
-        }
-
-        private INode CreateNode(Type nodeType) => Activator.CreateInstance(nodeType) as INode;
-
-        #endregion
-    }
-}

src/Artemis.VisualScripting/packages.lock.json

@@ -8,6 +8,15 @@
         "resolved": "2021.1.0",
         "contentHash": "n9JSw5Z+F+6gp9vSv4aLH6p/bx3GAYA6FZVq1wJq/TJySv/kPgFKLGFeS7A8Xa5X4/GWorh5gd43yjamUgnBNA=="
       },
+      "Stylet": {
+        "type": "Direct",
+        "requested": "[1.3.6, )",
+        "resolved": "1.3.6",
+        "contentHash": "SISR+DsPrgBww3AI5FtHx1tD9VkEfJWZYu+ykq5EFM2o7Se9zxNR6FAa2g5QadQa90NKMYxn/VZEQRDo7/pdkw==",
+        "dependencies": {
+          "System.Drawing.Common": "4.6.0"
+        }
+      },
       "Castle.Core": {
         "type": "Transitive",
         "resolved": "4.2.0",
@@ -87,6 +96,14 @@
           "System.Runtime": "4.3.0"
         }
       },
+      "Microsoft.Win32.SystemEvents": {
+        "type": "Transitive",
+        "resolved": "4.6.0",
+        "contentHash": "Edg+pFW5C8WJb680Za2kTV8TqUi6Ahl/WldRVoOVJ23UQLpDHFspa+umgFjkWZw24ETsU99Cg+ErZz683M4chg==",
+        "dependencies": {
+          "Microsoft.NETCore.Platforms": "3.0.0"
+        }
+      },
       "NETStandard.Library": {
         "type": "Transitive",
         "resolved": "1.6.1",
@@ -504,6 +521,15 @@
           "System.Runtime": "4.3.0"
         }
       },
+      "System.Drawing.Common": {
+        "type": "Transitive",
+        "resolved": "4.6.0",
+        "contentHash": "2A3spjjoPZnvpVh/sDTzd+0H8ZqTdr+hH/6obB8MMfG81EJ85PmxCKDBxhBVQiA25PliKAZ1sKogDcq9mSnFEA==",
+        "dependencies": {
+          "Microsoft.NETCore.Platforms": "3.0.0",
+          "Microsoft.Win32.SystemEvents": "4.6.0"
+        }
+      },
       "System.Dynamic.Runtime": {
         "type": "Transitive",
         "resolved": "4.3.0",