port from perforce

intromat/Intromat/ViewModels/CodeGenPortViewModel.cs

@@ -0,0 +1,66 @@
+using System;
+using Intromat.Views;
+using NodeNetwork.ViewModels;
+using ReactiveUI;
+using Splat;
+
+namespace Intromat.ViewModels
+{
+    public enum EPortType
+    {
+        None,
+        Execution,
+        Integer,
+        String,
+        Boolean,
+        Float,
+        Texture,
+        Mesh,
+    }
+
+    public class CodeGenPortViewModel : PortViewModel
+    {
+        private EPortType _portType;
+        private bool _isPortVisible;
+
+        static CodeGenPortViewModel()
+        {
+            Locator.CurrentMutable.Register(() => new CodeGenPortView(), typeof(IViewFor<CodeGenPortViewModel>));
+        }
+
+        public CodeGenPortViewModel()
+        {
+            IsPortVisibleChanged = this.WhenAnyValue(vm => vm.IsPortVisible);
+        }
+
+        public EPortType PortType
+        {
+            get => _portType;
+            set => this.RaiseAndSetIfChanged(ref _portType, value);
+        }
+
+        public bool IsPortVisible
+        {
+            get => _isPortVisible;
+            set => this.RaiseAndSetIfChanged(ref _isPortVisible, value);
+        }
+
+        public IObservable<bool> IsPortVisibleChanged { get; }
+
+        public override void OnDragFromPort()
+        {
+            var document = ((CodeGenNetworkViewModel)Parent.Parent.Parent).Document;
+            var undoRedo = document.MainViewModel.UndoRedo;
+            undoRedo.PushGroup(document);
+            base.OnDragFromPort();
+        }
+
+        public override void OnDropOnPort()
+        {
+            var document = ((CodeGenNetworkViewModel)Parent.Parent.Parent).Document;
+            var undoRedo = document.MainViewModel.UndoRedo;
+            base.OnDropOnPort();
+            undoRedo.PopGroup();
+        }
+    }
+}