From 0d56b6b9a5538093254d27ec1878c7da4d97aca0 Mon Sep 17 00:00:00 2001
From: robiness <robin.schonau@gmail.com>
Date: Wed, 19 Jul 2023 11:45:09 +0200
Subject: [PATCH] Introduce passing a initial stage data without a controller

---
 example/test/widget_test.dart    | 12 +++++-------
 lib/src/widgets/stage_craft.dart | 33 +++++++++++++++++++++++++-------
 2 files changed, 31 insertions(+), 14 deletions(-)

diff --git a/example/test/widget_test.dart b/example/test/widget_test.dart
index 124a42d..2a1dd90 100644
--- a/example/test/widget_test.dart
+++ b/example/test/widget_test.dart
@@ -12,26 +12,24 @@ import 'package:stage_craft/stage_craft.dart';
 
 void main() {
   testWidgets('Counter increments smoke test', (WidgetTester tester) async {
-    final StageController controller = StageController();
-    await tester.pumpWidgetData(controller);
-    controller.selectWidget(MyOtherWidgetStageData());
-    await tester.pumpAndSettle();
-    expect(find.text('MyOtherWidget'), findsOneWidget);
+    await tester.pumpWidgetData(MyOtherWidgetStageData());
+    expect(find.text('MyOtherWidget'), findsNWidgets(2));
   });
 }
 
 extension WidgetTesterExtension on WidgetTester {
   Future<void> pumpWidgetData(
-    StageController controller,
+    WidgetStageData stageData,
   ) async {
     await pumpWidget(
       MaterialApp(
         home: Scaffold(
           body: StageCraft(
-            stageController: controller,
+            stageData: stageData,
           ),
         ),
       ),
     );
+    await pumpAndSettle();
   }
 }
diff --git a/lib/src/widgets/stage_craft.dart b/lib/src/widgets/stage_craft.dart
index e9590e9..951c373 100644
--- a/lib/src/widgets/stage_craft.dart
+++ b/lib/src/widgets/stage_craft.dart
@@ -8,13 +8,14 @@ import 'package:stage_craft/src/widgets/stage_area.dart';
 ///
 /// Use this to create a stage for your widgets.
 ///
-class StageCraft extends StatelessWidget {
+class StageCraft extends StatefulWidget {
   StageCraft({
     super.key,
-    required this.stageController,
+    this.stageController,
     this.configurationBarFooter,
     Size? stageSize,
     StageCraftSettings? settings,
+    this.stageData,
   })  : stageSize = stageSize ?? const Size(600, 800),
         settings = settings ??
             StageCraftSettings(
@@ -25,7 +26,7 @@ class StageCraft extends StatelessWidget {
   /// The [StageController] that controls the stage.
   ///
   /// Create one above the [StageCraft] widget and pass it here to react to stage events or set stage properties.
-  final StageController stageController;
+  final StageController? stageController;
 
   /// The size of the stage.
   final Size stageSize;
@@ -36,19 +37,37 @@ class StageCraft extends StatelessWidget {
   /// An optional footer of the configuration bar.
   final Widget? configurationBarFooter;
 
+  /// The initially selected stage data.
+  final WidgetStageData? stageData;
+
+  @override
+  State<StageCraft> createState() => _StageCraftState();
+}
+
+class _StageCraftState extends State<StageCraft> {
+  late final _stageController = widget.stageController ?? StageController();
+
+  @override
+  void initState() {
+    super.initState();
+    if (widget.stageData != null) {
+      _stageController.selectWidget(widget.stageData!);
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     return Row(
       children: [
         StageArea(
-          stageController: stageController,
-          settings: settings,
+          stageController: _stageController,
+          settings: widget.settings,
         ),
         Align(
           alignment: Alignment.topCenter,
           child: ConfigurationBar(
-            controller: stageController,
-            configurationBarFooter: configurationBarFooter,
+            controller: _stageController,
+            configurationBarFooter: widget.configurationBarFooter,
           ),
         ),
       ],