refactor: separate the trash page widget from trash.dart file

frontend/app_flowy/lib/plugins/trash/trash.dart

@@ -3,26 +3,13 @@ export "./src/trash_cell.dart";
 export "./src/trash_header.dart";
 
 import 'package:app_flowy/startup/plugin/plugin.dart';
-import 'package:app_flowy/startup/startup.dart';
-import 'package:app_flowy/plugins/trash/application/trash_bloc.dart';
 import 'package:app_flowy/workspace/presentation/home/home_stack.dart';
 import 'package:easy_localization/easy_localization.dart';
-import 'package:flowy_infra/image.dart';
-import 'package:flowy_infra/theme.dart';
-import 'package:flowy_infra_ui/style_widget/scrolling/styled_list.dart';
-import 'package:flowy_infra_ui/style_widget/scrolling/styled_scroll_bar.dart';
-import 'package:flowy_infra_ui/style_widget/scrolling/styled_scrollview.dart';
 import 'package:flowy_infra_ui/style_widget/text.dart';
-import 'package:flowy_infra_ui/style_widget/button.dart';
-import 'package:flowy_infra_ui/widget/spacing.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:styled_widget/styled_widget.dart';
 import 'package:app_flowy/generated/locale_keys.g.dart';
 
-import 'src/sizes.dart';
-import 'src/trash_cell.dart';
-import 'src/trash_header.dart';
+import 'trash_page.dart';
 
 class TrashPluginBuilder extends PluginBuilder {
   @override
@@ -71,145 +58,3 @@ class TrashPluginDisplay extends PluginDisplay {
   @override
   List<NavigationItem> get navigationItems => [this];
 }
-
-class TrashPage extends StatefulWidget {
-  const TrashPage({Key? key}) : super(key: key);
-
-  @override
-  State<TrashPage> createState() => _TrashPageState();
-}
-
-class _TrashPageState extends State<TrashPage> {
-  final ScrollController _scrollController = ScrollController();
-  @override
-  Widget build(BuildContext context) {
-    final theme = context.watch<AppTheme>();
-    const horizontalPadding = 80.0;
-    return BlocProvider(
-      create: (context) => getIt<TrashBloc>()..add(const TrashEvent.initial()),
-      child: BlocBuilder<TrashBloc, TrashState>(
-        builder: (context, state) {
-          return SizedBox.expand(
-            child: Column(
-              mainAxisAlignment: MainAxisAlignment.start,
-              children: [
-                _renderTopBar(context, theme, state),
-                const VSpace(32),
-                _renderTrashList(context, state),
-              ],
-            ).padding(horizontal: horizontalPadding, vertical: 48),
-          );
-        },
-      ),
-    );
-  }
-
-  Widget _renderTrashList(BuildContext context, TrashState state) {
-    const barSize = 6.0;
-    return Expanded(
-      child: ScrollbarListStack(
-        axis: Axis.vertical,
-        controller: _scrollController,
-        scrollbarPadding: EdgeInsets.only(top: TrashSizes.headerHeight),
-        barSize: barSize,
-        child: StyledSingleChildScrollView(
-          controller: ScrollController(),
-          barSize: barSize,
-          axis: Axis.horizontal,
-          child: SizedBox(
-            width: TrashSizes.totalWidth,
-            child: ScrollConfiguration(
-              behavior: const ScrollBehavior().copyWith(scrollbars: false),
-              child: CustomScrollView(
-                shrinkWrap: true,
-                physics: StyledScrollPhysics(),
-                controller: _scrollController,
-                slivers: [
-                  _renderListHeader(context, state),
-                  _renderListBody(context, state),
-                ],
-              ),
-            ),
-          ),
-        ),
-      ),
-    );
-  }
-
-  Widget _renderTopBar(BuildContext context, AppTheme theme, TrashState state) {
-    return SizedBox(
-      height: 36,
-      child: Row(
-        crossAxisAlignment: CrossAxisAlignment.stretch,
-        children: [
-          FlowyText.semibold(LocaleKeys.trash_text.tr()),
-          const Spacer(),
-          IntrinsicWidth(
-            child: FlowyButton(
-              text: FlowyText.medium(LocaleKeys.trash_restoreAll.tr(),
-                  fontSize: 12),
-              leftIcon: svgWidget('editor/restore', color: theme.iconColor),
-              hoverColor: theme.hover,
-              onTap: () => context.read<TrashBloc>().add(
-                    const TrashEvent.restoreAll(),
-                  ),
-            ),
-          ),
-          const HSpace(6),
-          IntrinsicWidth(
-            child: FlowyButton(
-              text: FlowyText.medium(LocaleKeys.trash_deleteAll.tr(),
-                  fontSize: 12),
-              leftIcon: svgWidget('editor/delete', color: theme.iconColor),
-              hoverColor: theme.hover,
-              onTap: () =>
-                  context.read<TrashBloc>().add(const TrashEvent.deleteAll()),
-            ),
-          )
-        ],
-      ),
-    );
-  }
-
-  Widget _renderListHeader(BuildContext context, TrashState state) {
-    return SliverPersistentHeader(
-      delegate: TrashHeaderDelegate(),
-      floating: true,
-      pinned: true,
-    );
-  }
-
-  Widget _renderListBody(BuildContext context, TrashState state) {
-    return SliverList(
-      delegate: SliverChildBuilderDelegate(
-        (BuildContext context, int index) {
-          final object = state.objects[index];
-          return SizedBox(
-            height: 42,
-            child: TrashCell(
-              object: object,
-              onRestore: () {
-                context.read<TrashBloc>().add(TrashEvent.putback(object.id));
-              },
-              onDelete: () =>
-                  context.read<TrashBloc>().add(TrashEvent.delete(object)),
-            ),
-          );
-        },
-        childCount: state.objects.length,
-        addAutomaticKeepAlives: false,
-      ),
-    );
-  }
-}
-// class TrashScrollbar extends ScrollBehavior {
-//   @override
-//   Widget buildScrollbar(BuildContext context, Widget child, ScrollableDetails details) {
-//     return ScrollbarListStack(
-//       controller: details.controller,
-//       axis: Axis.vertical,
-//       barSize: 6,
-//       child: child,
-//     );
-//   }
-// }