Disabled node preview for now

ALACore/ALACore.csproj

@@ -155,6 +155,7 @@
     <Compile Include="DomainAbstractions\MouseWheelEvent.cs" />
     <Compile Include="DomainAbstractions\MultiMenu.cs" />
     <Compile Include="DomainAbstractions\ObjectFactory.cs" />
+    <Compile Include="DomainAbstractions\PopupBox.cs" />
     <Compile Include="DomainAbstractions\Scale.cs" />
     <Compile Include="DomainAbstractions\SimulateKeyboard.cs" />
     <Compile Include="DomainAbstractions\Stopwatch.cs" />

ALACore/DomainAbstractions/PopupBox.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls.Primitives;
+using System.Windows.Input;
+using Libraries;
+using ProgrammingParadigms;
+
+namespace DomainAbstractions
+{
+    /// <summary>
+    /// A popup that appears above all other elements.
+    /// </summary>
+    public class PopupBox : IEvent // toggle
+    {
+        // Public fields and properties
+        public string InstanceName { get; set; } = "Default";
+        public Func<UIElement> GetPlacementObject { get; set; }
+        public PlacementMode PlacementMode { get; set; } = PlacementMode.MousePoint;
+
+        // Private fields
+        private Popup _popup = new Popup()
+        {
+            StaysOpen = true
+        };
+        private UIElement _childContent = null;
+
+        // Ports
+        private IUI child;
+
+        // IEvent implementation
+        void IEvent.Execute()
+        {
+            if (!_popup.IsOpen)
+            {
+                if (_childContent == null && child != null)
+                {
+                    _childContent = child.GetWPFElement();
+                    _popup.Child = _childContent;
+                }
+
+                if (GetPlacementObject != null) _popup.PlacementTarget = GetPlacementObject();
+                _popup.Placement = PlacementMode;
+                _popup.IsOpen = true;
+                _popup.PlacementRectangle = new Rect(new Point(), new Point(10, 10));
+            }
+            else
+            {
+                _popup.IsOpen = false;
+            }
+        }
+
+        // Methods
+
+        public PopupBox()
+        {
+
+        }
+    }
+}