EnumView; extract resettable

src/config/BooleanView.swift

@@ -18,12 +18,6 @@ struct BooleanView: View {
   var body: some View {
     Toggle(isOn: $viewModel.value) {
       Text(description)
-    }.contextMenu {
-      Button {
-        viewModel.reset()
-      } label: {
-        Text("Reset")
-      }
-    }
+    }.resettable(viewModel)
   }
 }

src/config/EnumView.swift

@@ -0,0 +1,32 @@
+import SwiftUI
+import SwiftUtil
+
+struct EnumView: View {
+  let description: String
+  @ObservedObject private var viewModel: OptionViewModel<String>
+  let options: [(String, String)]
+
+  init(data: [String: Any], onUpdate: @escaping (String) -> Void) {
+    description = data["Description"] as! String
+    let original = data["Enum"] as! [String: String]
+    let translation = data["EnumI18n"] as? [String: String] ?? original
+    options = original.reduce(into: [(String, String)]()) { result, pair in
+      result.append((pair.value, translation[pair.key] ?? pair.value))
+    }
+    viewModel = OptionViewModel(
+      value: data["Value"] as! String,
+      defaultValue: data["DefaultValue"] as! String,
+      onUpdate: { value in
+        onUpdate(value)
+      }
+    )
+  }
+
+  var body: some View {
+    Picker(description, selection: $viewModel.value) {
+      ForEach(options, id: \.0) { pair in
+        Text(pair.1).tag(pair.0)
+      }
+    }.resettable(viewModel)
+  }
+}

src/config/option.swift

@@ -20,10 +20,24 @@ class OptionViewModel<T>: ObservableObject {
   }
 }
 
+extension View {
+  func resettable<T>(_ viewModel: OptionViewModel<T>) -> some View {
+    self.contextMenu {
+      Button {
+        viewModel.reset()
+      } label: {
+        Text("Reset")
+      }
+    }
+  }
+}
+
 func toOptionView(_ data: [String: Any], onUpdate: @escaping (Encodable) -> Void) -> any View {
   switch data["Type"] as! String {
   case "Boolean":
     return BooleanView(data: data, onUpdate: onUpdate)
+  case "Enum":
+    return EnumView(data: data, onUpdate: onUpdate)
   default:
     return UnknownView()
   }