add ImagePropertyEditor

src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/ImagePropertyEditor.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Windows;
+using System.Windows.Data;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+
+namespace HandyControl.Controls
+{
+    public class ImagePropertyEditor : PropertyEditorBase
+    {
+        public override FrameworkElement CreateElement(PropertyItem propertyItem)
+        {
+            var imageSelector = new ImageSelector
+            {
+                IsEnabled = !propertyItem.IsReadOnly,
+                Width = 50,
+                Height = 50,
+                HorizontalAlignment = HorizontalAlignment.Left
+            };
+
+            BindingOperations.SetBinding(this, UriProperty, new Binding(ImageSelector.UriProperty.Name)
+            {
+                Source = imageSelector,
+                Mode = BindingMode.OneWay
+            });
+
+            return imageSelector;
+        }
+
+        internal static readonly DependencyProperty UriProperty = DependencyProperty.Register(
+            "Uri", typeof(Uri), typeof(ImagePropertyEditor), new PropertyMetadata(default(Uri), OnUriChangedCallback));
+
+        private static void OnUriChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) => 
+            ((ImagePropertyEditor)d).Source = e.NewValue is Uri uri ? BitmapFrame.Create(uri) : null;
+
+        internal Uri Uri
+        {
+            get => (Uri) GetValue(UriProperty);
+            set => SetValue(UriProperty, value);
+        }
+
+        public static readonly DependencyProperty SourceProperty = DependencyProperty.Register(
+            "Source", typeof(ImageSource), typeof(ImagePropertyEditor), new PropertyMetadata(default(ImageSource)));
+
+        public ImageSource Source
+        {
+            get => (ImageSource) GetValue(SourceProperty);
+            set => SetValue(SourceProperty, value);
+        }
+
+        public override void CreateBinding(PropertyItem propertyItem, DependencyObject element)
+            => BindingOperations.SetBinding(this, GetDependencyProperty(),
+                new Binding($"({propertyItem.PropertyName})")
+                {
+                    Source = propertyItem.Value,
+                    Mode = GetBindingMode(propertyItem),
+                    UpdateSourceTrigger = GetUpdateSourceTrigger(propertyItem),
+                    Converter = GetConverter(propertyItem)
+                });
+
+        public override DependencyProperty GetDependencyProperty() => SourceProperty;
+    }
+}