361 lines
10 KiB
Dart
Executable File

import 'package:app_flowy/generated/locale_keys.g.dart';
import 'package:app_flowy/plugins/grid/application/field/field_controller.dart';
import 'package:app_flowy/plugins/grid/application/row/row_data_controller.dart';
import 'package:app_flowy/startup/startup.dart';
import 'package:app_flowy/plugins/grid/application/grid_bloc.dart';
import 'package:easy_localization/easy_localization.dart';
import 'package:flowy_infra/theme.dart';
import 'package:flowy_infra_ui/flowy_infra_ui_web.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/widget/error_page.dart';
import 'package:flowy_sdk/protobuf/flowy-folder/view.pb.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter/material.dart';
import 'package:linked_scroll_controller/linked_scroll_controller.dart';
import '../application/row/row_cache.dart';
import 'controller/grid_scroll.dart';
import 'layout/layout.dart';
import 'layout/sizes.dart';
import 'widgets/cell/cell_builder.dart';
import 'widgets/row/grid_row.dart';
import 'widgets/footer/grid_footer.dart';
import 'widgets/header/grid_header.dart';
import 'widgets/row/row_detail.dart';
import 'widgets/shortcuts.dart';
import 'widgets/toolbar/grid_toolbar.dart';
class GridPage extends StatefulWidget {
final ViewPB view;
final VoidCallback? onDeleted;
GridPage({
required this.view,
this.onDeleted,
Key? key,
}) : super(key: ValueKey(view.id));
@override
State<GridPage> createState() => _GridPageState();
}
class _GridPageState extends State<GridPage> {
@override
Widget build(BuildContext context) {
return MultiBlocProvider(
providers: [
BlocProvider<GridBloc>(
create: (context) => getIt<GridBloc>(param1: widget.view)
..add(const GridEvent.initial()),
),
],
child: BlocBuilder<GridBloc, GridState>(
builder: (context, state) {
return state.loadingState.map(
loading: (_) =>
const Center(child: CircularProgressIndicator.adaptive()),
finish: (result) => result.successOrFail.fold(
(_) => const GridShortcuts(child: FlowyGrid()),
(err) => FlowyErrorPage(err.toString()),
),
);
},
),
);
}
@override
void dispose() {
super.dispose();
}
@override
void deactivate() {
super.deactivate();
}
@override
void didUpdateWidget(covariant GridPage oldWidget) {
super.didUpdateWidget(oldWidget);
}
}
class FlowyGrid extends StatefulWidget {
const FlowyGrid({Key? key}) : super(key: key);
@override
State<FlowyGrid> createState() => _FlowyGridState();
}
class _FlowyGridState extends State<FlowyGrid> {
final _scrollController = GridScrollController(
scrollGroupController: LinkedScrollControllerGroup());
late ScrollController headerScrollController;
@override
void initState() {
headerScrollController = _scrollController.linkHorizontalController();
super.initState();
}
@override
void dispose() {
_scrollController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return BlocBuilder<GridBloc, GridState>(
buildWhen: (previous, current) => previous.fields != current.fields,
builder: (context, state) {
final contentWidth = GridLayout.headerWidth(state.fields.value);
final child = _wrapScrollView(
contentWidth,
[
const _GridRows(),
const _GridFooter(),
],
);
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const _GridToolbarAdaptor(),
_gridHeader(context, state.gridId),
Flexible(child: child),
const RowCountBadge(),
],
);
},
);
}
Widget _wrapScrollView(
double contentWidth,
List<Widget> slivers,
) {
final verticalScrollView = ScrollConfiguration(
behavior: const ScrollBehavior().copyWith(scrollbars: false),
child: CustomScrollView(
physics: StyledScrollPhysics(),
controller: _scrollController.verticalController,
slivers: slivers,
),
);
final sizedVerticalScrollView = SizedBox(
width: contentWidth,
child: verticalScrollView,
);
final horizontalScrollView = StyledSingleChildScrollView(
controller: _scrollController.horizontalController,
axis: Axis.horizontal,
child: sizedVerticalScrollView,
);
return ScrollbarListStack(
axis: Axis.vertical,
controller: _scrollController.verticalController,
barSize: GridSize.scrollBarSize,
child: horizontalScrollView,
);
}
Widget _gridHeader(BuildContext context, String gridId) {
final fieldController =
context.read<GridBloc>().dataController.fieldController;
return GridHeaderSliverAdaptor(
gridId: gridId,
fieldController: fieldController,
anchorScrollController: headerScrollController,
);
}
}
class _GridToolbarAdaptor extends StatelessWidget {
const _GridToolbarAdaptor({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return BlocSelector<GridBloc, GridState, GridToolbarContext>(
selector: (state) {
final fieldController =
context.read<GridBloc>().dataController.fieldController;
return GridToolbarContext(
gridId: state.gridId,
fieldController: fieldController,
);
},
builder: (context, toolbarContext) {
return GridToolbar(toolbarContext: toolbarContext);
},
);
}
}
class _GridRows extends StatefulWidget {
const _GridRows({Key? key}) : super(key: key);
@override
State<_GridRows> createState() => _GridRowsState();
}
class _GridRowsState extends State<_GridRows> {
final _key = GlobalKey<SliverAnimatedListState>();
@override
Widget build(BuildContext context) {
return BlocConsumer<GridBloc, GridState>(
listenWhen: (previous, current) => previous.reason != current.reason,
listener: (context, state) {
state.reason.mapOrNull(
insert: (value) {
for (final item in value.items) {
_key.currentState?.insertItem(item.index);
}
},
delete: (value) {
for (final item in value.items) {
_key.currentState?.removeItem(
item.index,
(context, animation) =>
_renderRow(context, item.row, animation),
);
}
},
);
},
buildWhen: (previous, current) => false,
builder: (context, state) {
return SliverAnimatedList(
key: _key,
initialItemCount: context.read<GridBloc>().state.rowInfos.length,
itemBuilder:
(BuildContext context, int index, Animation<double> animation) {
final RowInfo rowInfo =
context.read<GridBloc>().state.rowInfos[index];
return _renderRow(context, rowInfo, animation);
},
);
},
);
}
Widget _renderRow(
BuildContext context,
RowInfo rowInfo,
Animation<double> animation,
) {
final rowCache = context.read<GridBloc>().getRowCache(
rowInfo.rowPB.blockId,
rowInfo.rowPB.id,
);
/// Return placeholder widget if the rowCache is null.
if (rowCache == null) return const SizedBox();
final fieldController =
context.read<GridBloc>().dataController.fieldController;
final dataController = GridRowDataController(
rowInfo: rowInfo,
fieldController: fieldController,
rowCache: rowCache,
);
return SizeTransition(
sizeFactor: animation,
child: GridRowWidget(
rowInfo: rowInfo,
dataController: dataController,
cellBuilder: GridCellBuilder(delegate: dataController),
openDetailPage: (context, cellBuilder) {
_openRowDetailPage(
context,
rowInfo,
fieldController,
rowCache,
cellBuilder,
);
},
key: ValueKey(rowInfo.rowPB.id),
),
);
}
void _openRowDetailPage(
BuildContext context,
RowInfo rowInfo,
GridFieldController fieldController,
GridRowCache rowCache,
GridCellBuilder cellBuilder,
) {
final dataController = GridRowDataController(
rowInfo: rowInfo,
fieldController: fieldController,
rowCache: rowCache,
);
FlowyOverlay.show(
context: context,
builder: (BuildContext context) {
return RowDetailPage(
cellBuilder: cellBuilder,
dataController: dataController,
);
});
}
}
class _GridFooter extends StatelessWidget {
const _GridFooter({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return SliverPadding(
padding: const EdgeInsets.only(bottom: 200),
sliver: SliverToBoxAdapter(
child: SizedBox(
height: GridSize.footerHeight,
child: Padding(
padding: GridSize.footerContentInsets,
child: const SizedBox(height: 40, child: GridAddRowButton()),
),
),
),
);
}
}
class RowCountBadge extends StatelessWidget {
const RowCountBadge({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
final theme = context.watch<AppTheme>();
return BlocSelector<GridBloc, GridState, int>(
selector: (state) => state.rowCount,
builder: (context, rowCount) {
return Padding(
padding: GridSize.footerContentInsets,
child: Row(
mainAxisAlignment: MainAxisAlignment.start,
children: [
FlowyText.regular(
'${LocaleKeys.grid_row_count.tr()} : ',
fontSize: 13,
color: theme.shader3,
),
FlowyText.regular(rowCount.toString(), fontSize: 13),
],
),
);
},
);
}
}