port from perforce

intromat/Intromat/Views/Editors/StringExpressionEditorView.cs

@@ -0,0 +1,30 @@
+using System.Reactive.Disposables;
+using System.Windows;
+using System.Windows.Controls;
+using Intromat.ViewModels.Editors;
+using ReactiveUI;
+
+namespace Intromat.Views.Editors
+{
+    [TemplatePart(Name = nameof(_textBoxValue), Type = typeof(TextBox))]
+    public class StringExpressionEditorView : EditorViewBase<StringExpressionEditorViewModel>
+    {
+        private TextBox _textBoxValue = null!;
+
+        public StringExpressionEditorView()
+        {
+            DefaultStyleKey = typeof(StringExpressionEditorView);
+
+            this.WhenActivated(d =>
+            {
+                this.Bind(ViewModel, vm => vm.CustomValue, v => v._textBoxValue.Text).DisposeWith(d);
+            });
+        }
+
+        public override void OnApplyTemplate()
+        {
+            base.OnApplyTemplate();
+            _textBoxValue = (TextBox)GetTemplateChild(nameof(_textBoxValue))!;
+        }
+    }
+}