port from perforce

intromat/Intromat/Views/PropertiesView.xaml.cs

@@ -0,0 +1,71 @@
+using System;
+using System.ComponentModel;
+using System.Linq;
+using System.Reactive.Disposables;
+using System.Reactive.Linq;
+using System.Windows;
+using DynamicData;
+using Intromat.ViewModels;
+using ReactiveUI;
+using Xceed.Wpf.Toolkit.PropertyGrid;
+
+namespace Intromat.Views
+{
+    /// <summary>
+    /// Interaction logic for PropertiesView.xaml
+    /// </summary>
+    public partial class PropertiesView : IViewFor<CodeGenNetworkViewModel>
+    {
+        public static readonly DependencyProperty ViewModelProperty = DependencyProperty.Register(nameof(ViewModel),
+            typeof(CodeGenNetworkViewModel), typeof(PropertiesView), new PropertyMetadata(null));
+
+        public PropertiesView()
+        {
+            InitializeComponent();
+
+            this.WhenActivated(d =>
+            {
+                this.WhenAnyValue(v => v.ViewModel!.SelectedObject!.PropertyDescriptors)
+                    .Where(l => l != null)
+                    .Select(l => l!.Connect())
+                    .Switch()
+                    .Subscribe(_ => PropertyGrid.PropertyDefinitions = CreatePropertyDefinitions(ViewModel!.SelectedObject!.PropertyDescriptors))
+                    .DisposeWith(d);
+
+                this.OneWayBind(ViewModel, vm => vm.SelectedObject, v => v.PropertyGrid.SelectedObject).DisposeWith(d);
+            });
+        }
+
+        private PropertyDefinitionCollection CreatePropertyDefinitions(IObservableList<PropertyDescriptor>? propertyDescriptors)
+        {
+            var result = new PropertyDefinitionCollection();
+            if (propertyDescriptors != null)
+                result.AddRange(propertyDescriptors.Items.Select(PropertySelector));
+            return result;
+        }
+
+        private PropertyDefinition PropertySelector(PropertyDescriptor descriptor)
+        {
+            return new()
+            {
+                Category = descriptor.Category,
+                Description = descriptor.Description,
+                IsBrowsable = descriptor.IsBrowsable,
+                DisplayName = descriptor.DisplayName,
+                TargetProperties = new [] { descriptor.Name }
+            };
+        }
+
+        object? IViewFor.ViewModel
+        {
+            get => ViewModel;
+            set => ViewModel = (CodeGenNetworkViewModel?)value;
+        }
+        
+        public CodeGenNetworkViewModel? ViewModel
+        {
+            get => (CodeGenNetworkViewModel?)GetValue(ViewModelProperty);
+            set => SetValue(ViewModelProperty, value);
+        }
+    }
+}