chore: config board view plugin

frontend/app_flowy/lib/plugin/plugin.dart

@@ -14,6 +14,7 @@ enum DefaultPlugin {
   blank,
   trash,
   grid,
+  board,
 }
 
 extension FlowyDefaultPluginExt on DefaultPlugin {
@@ -27,6 +28,8 @@ extension FlowyDefaultPluginExt on DefaultPlugin {
         return 2;
       case DefaultPlugin.grid:
         return 3;
+      case DefaultPlugin.board:
+        return 4;
     }
   }
 }

frontend/app_flowy/lib/startup/tasks/load_plugin.dart

@@ -1,6 +1,7 @@
 import 'package:app_flowy/plugin/plugin.dart';
 import 'package:app_flowy/startup/startup.dart';
 import 'package:app_flowy/workspace/presentation/plugins/blank/blank.dart';
+import 'package:app_flowy/workspace/presentation/plugins/board/board.dart';
 import 'package:app_flowy/workspace/presentation/plugins/doc/document.dart';
 import 'package:app_flowy/workspace/presentation/plugins/grid/grid.dart';
 import 'package:app_flowy/workspace/presentation/plugins/trash/trash.dart';
@@ -15,5 +16,6 @@ class PluginLoadTask extends LaunchTask {
     registerPlugin(builder: TrashPluginBuilder(), config: TrashPluginConfig());
     registerPlugin(builder: DocumentPluginBuilder());
     registerPlugin(builder: GridPluginBuilder(), config: GridPluginConfig());
+    registerPlugin(builder: BoardPluginBuilder(), config: BoardPluginConfig());
   }
 }

frontend/app_flowy/lib/workspace/presentation/home/home_screen.dart

@@ -108,7 +108,10 @@ class _HomeScreenState extends State<HomeScreen> {
     final workspaceSetting = state.workspaceSetting;
     if (initialView == null && workspaceSetting.hasLatestView()) {
       initialView = workspaceSetting.latestView;
-      final plugin = makePlugin(pluginType: initialView!.pluginType, data: initialView);
+      final plugin = makePlugin(
+        pluginType: initialView!.pluginType,
+        data: initialView,
+      );
       getIt<HomeStackManager>().setPlugin(plugin);
     }
 

frontend/app_flowy/lib/workspace/presentation/plugins/board/board.dart

@@ -0,0 +1,66 @@
+import 'package:app_flowy/workspace/presentation/home/home_stack.dart';
+import 'package:app_flowy/workspace/presentation/plugins/widgets/left_bar_item.dart';
+import 'package:flowy_sdk/protobuf/flowy-folder-data-model/view.pb.dart';
+import 'package:app_flowy/plugin/plugin.dart';
+import 'package:flutter/material.dart';
+
+import 'src/board_page.dart';
+
+class BoardPluginBuilder implements PluginBuilder {
+  @override
+  Plugin build(dynamic data) {
+    if (data is View) {
+      return BoardPlugin(pluginType: pluginType, view: data);
+    } else {
+      throw FlowyPluginException.invalidData;
+    }
+  }
+
+  @override
+  String get menuName => "Board";
+
+  @override
+  PluginType get pluginType => DefaultPlugin.board.type();
+
+  @override
+  ViewDataType get dataType => ViewDataType.Grid;
+}
+
+class BoardPluginConfig implements PluginConfig {
+  @override
+  bool get creatable => true;
+}
+
+class BoardPlugin extends Plugin {
+  final View _view;
+  final PluginType _pluginType;
+
+  BoardPlugin({
+    required View view,
+    required PluginType pluginType,
+  })  : _pluginType = pluginType,
+        _view = view;
+
+  @override
+  PluginDisplay get display => GridPluginDisplay(view: _view);
+
+  @override
+  PluginId get id => _view.id;
+
+  @override
+  PluginType get ty => _pluginType;
+}
+
+class GridPluginDisplay extends PluginDisplay {
+  final View _view;
+  GridPluginDisplay({required View view, Key? key}) : _view = view;
+
+  @override
+  Widget get leftBarItem => ViewLeftBarItem(view: _view);
+
+  @override
+  Widget buildWidget() => BoardPage(view: _view);
+
+  @override
+  List<NavigationItem> get navigationItems => [this];
+}

frontend/app_flowy/lib/workspace/presentation/plugins/board/src/board_page.dart

@@ -0,0 +1,15 @@
+import 'package:flowy_sdk/protobuf/flowy-folder-data-model/view.pb.dart';
+import 'package:flutter/material.dart';
+
+class BoardPage extends StatelessWidget {
+  final View _view;
+
+  const BoardPage({required View view, Key? key})
+      : _view = view,
+        super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Container();
+  }
+}