port from perforce

intromat/Intromat/ViewModels/ModuleViewModel.cs

@@ -0,0 +1,50 @@
+using System;
+using System.IO;
+using System.Reactive.Linq;
+using DynamicData;
+using Intromat.Interfaces;
+using Intromat.Nodes;
+using ReactiveUI;
+
+namespace Intromat.ViewModels
+{
+    public class ModuleViewModel : FolderViewModel, IFile
+    {
+        private bool _isDirty;
+
+        public ModuleViewModel(ProjectViewModel parent, string name, string fullPath)
+            : base(null, parent, name)
+        {
+            FullPath = fullPath;
+            _isExpanded = true;
+
+            this.WhenAnyValue(vm => vm.Parent)
+                .Buffer(2, 1)
+                .Select(b => (Previous: b[0], Current: b[1]))
+                .Subscribe(t =>
+                {
+                    ((ProjectViewModel)t.Previous).Modules.Remove(this);
+                    ((ProjectViewModel)t.Current).Modules.Remove(this);
+                });
+        }
+
+        public static ModuleViewModel CreateDefault(MainViewModel mainVm, ProjectViewModel parent, string fullPath)
+        {
+            var module = new ModuleViewModel(parent, Path.GetFileName(fullPath)!, fullPath);
+            var mainDocument = DocumentViewModel.CreateDefault(mainVm, module, module, "Main");
+            module.Files.Add(mainDocument);
+            module.Files.Add(ShaderFileViewModel.CreateDefault(mainVm, module, module, "Code"));
+            var entryPoint = new MainEntryPointNode { CanBeRemovedByUser = false };
+            mainDocument.MainNetwork.Nodes.Add(entryPoint);
+            return module;
+        }
+
+        public override string FullPath { get; }
+
+        public bool IsDirty
+        {
+            get => _isDirty;
+            set => this.RaiseAndSetIfChanged(ref _isDirty, value);
+        }
+    }
+}