509 lines
17 KiB
Dart
509 lines
17 KiB
Dart
import 'dart:async';
|
|
import 'dart:math';
|
|
|
|
import 'package:didvan/config/theme_data.dart';
|
|
import 'package:didvan/constants/app_icons.dart';
|
|
import 'package:didvan/models/category.dart';
|
|
import 'package:didvan/models/enums.dart';
|
|
import 'package:didvan/models/requests/radar.dart';
|
|
import 'package:didvan/models/view/action_sheet_data.dart';
|
|
import 'package:didvan/views/radar/radar_state.dart';
|
|
import 'package:didvan/views/widgets/date_picker_button.dart';
|
|
import 'package:didvan/views/widgets/didvan/scaffold.dart';
|
|
import 'package:didvan/utils/action_sheet.dart';
|
|
import 'package:didvan/views/widgets/overview/radar.dart';
|
|
import 'package:didvan/views/widgets/didvan/checkbox.dart';
|
|
import 'package:didvan/views/widgets/item_title.dart';
|
|
import 'package:didvan/views/widgets/state_handlers/empty_result.dart';
|
|
import 'package:didvan/views/widgets/state_handlers/sliver_state_handler.dart';
|
|
import 'package:didvan/views/widgets/home_app_bar.dart';
|
|
import 'package:flutter/material.dart';
|
|
import 'package:flutter_svg/flutter_svg.dart';
|
|
import 'package:provider/provider.dart';
|
|
|
|
class Radar extends StatefulWidget {
|
|
const Radar({Key? key}) : super(key: key);
|
|
|
|
@override
|
|
State<Radar> createState() => _RadarStateView();
|
|
}
|
|
|
|
class _RadarStateView extends State<Radar> {
|
|
Timer? _timer;
|
|
final _focusNode = FocusNode();
|
|
|
|
@override
|
|
void initState() {
|
|
context.read<RadarState>().init();
|
|
super.initState();
|
|
}
|
|
|
|
String _getCategoryIcon(int categoryId, bool isDark) {
|
|
switch (categoryId) {
|
|
case 1:
|
|
return 'lib/assets/icons/New_Economic.svg';
|
|
case 2:
|
|
return 'lib/assets/icons/New_Siasi.svg';
|
|
case 3:
|
|
return 'lib/assets/icons/New_Fanavari.svg';
|
|
case 4:
|
|
return 'lib/assets/icons/New_Kasbokar.svg';
|
|
case 5:
|
|
return 'lib/assets/icons/New_ZistMohit.svg';
|
|
case 6:
|
|
return 'lib/assets/icons/New_Ejtemaei.svg';
|
|
default:
|
|
return 'lib/assets/icons/Kasb o Kar.svg';
|
|
}
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final state = context.watch<RadarState>();
|
|
final theme = Theme.of(context);
|
|
final colorScheme = theme.colorScheme;
|
|
final isDark = theme.brightness == Brightness.dark;
|
|
final showCategories = !state.filtering && !state.searching;
|
|
|
|
return DidvanScaffold(
|
|
padding: EdgeInsets.zero,
|
|
appBarData: null,
|
|
slivers: [
|
|
SliverToBoxAdapter(
|
|
child: Padding(
|
|
padding: const EdgeInsets.only(top: 12.0),
|
|
child: HomeAppBar(
|
|
showBackButton: false,
|
|
showSearchField: state.appState != AppState.failed,
|
|
onSearchChanged: _onChanged,
|
|
onFilterPressed: _showFilterBottomSheet,
|
|
searchFocusNode: _focusNode,
|
|
isFiltered: state.filtering,
|
|
searchValue: state.search,
|
|
),
|
|
),
|
|
),
|
|
SliverAppBar(
|
|
pinned: true,
|
|
automaticallyImplyLeading: false,
|
|
backgroundColor: colorScheme.surface,
|
|
elevation: 0,
|
|
centerTitle: false,
|
|
titleSpacing: 16,
|
|
title: Text(
|
|
'پویش افق',
|
|
style: theme.textTheme.headlineSmall?.copyWith(
|
|
color: isDark
|
|
? Colors.white
|
|
: const Color.fromARGB(255, 0, 53, 70),
|
|
fontWeight: FontWeight.bold,
|
|
fontSize: 19),
|
|
),
|
|
actions: [
|
|
IconButton(
|
|
onPressed: () => Navigator.of(context).pop(),
|
|
icon: SvgPicture.asset(
|
|
'lib/assets/icons/arrow-left.svg',
|
|
width: 30,
|
|
height: 30,
|
|
colorFilter: ColorFilter.mode(
|
|
isDark
|
|
? Colors.white70
|
|
: Theme.of(context).colorScheme.caption,
|
|
BlendMode.srcIn),
|
|
),
|
|
),
|
|
const SizedBox(width: 8),
|
|
],
|
|
),
|
|
const SliverToBoxAdapter(
|
|
child: SizedBox(
|
|
height: 16,
|
|
),
|
|
),
|
|
SliverToBoxAdapter(
|
|
child: AnimatedSwitcher(
|
|
duration: const Duration(milliseconds: 500),
|
|
switchInCurve: Curves.easeOutCubic,
|
|
switchOutCurve: Curves.easeInCubic,
|
|
transitionBuilder: (Widget child, Animation<double> animation) {
|
|
return SizeTransition(
|
|
sizeFactor: animation,
|
|
axisAlignment: -1.0,
|
|
child: FadeTransition(
|
|
opacity: animation,
|
|
child: child,
|
|
),
|
|
);
|
|
},
|
|
child: showCategories
|
|
? Column(
|
|
key: const ValueKey('categories_column'),
|
|
children: [
|
|
if (state.categories.length >= 3)
|
|
Padding(
|
|
padding: const EdgeInsets.symmetric(horizontal: 20),
|
|
child: Row(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: state.categories
|
|
.sublist(0, 3)
|
|
.map((category) => _buildCoolCategoryItem(
|
|
category, isDark, state, theme))
|
|
.toList(),
|
|
),
|
|
),
|
|
if (state.categories.length >= 6)
|
|
Padding(
|
|
padding: const EdgeInsets.only(
|
|
top: 12, left: 35, right: 35),
|
|
child: Row(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: state.categories
|
|
.sublist(3, 6)
|
|
.map((category) => _buildCoolCategoryItem(
|
|
category, isDark, state, theme))
|
|
.toList(),
|
|
),
|
|
),
|
|
const SizedBox(height: 20),
|
|
],
|
|
)
|
|
: const SizedBox.shrink(key: ValueKey('empty_categories')),
|
|
),
|
|
),
|
|
SliverStateHandler<RadarState>(
|
|
centerEmptyState: false,
|
|
onRetry: () => state.getRadars(page: state.page),
|
|
state: state,
|
|
childCount: min(state.visibleCount, state.radars.length) +
|
|
(_hasMoreItems(state) ? 1 : 0),
|
|
builder: (context, state, index) {
|
|
final currentDisplayCount =
|
|
min(state.visibleCount, state.radars.length);
|
|
|
|
if (index == currentDisplayCount && _hasMoreItems(state)) {
|
|
return _buildLoadMoreButton(context, state);
|
|
}
|
|
|
|
if (index >= state.radars.length) {
|
|
return _SlideFadeTransition(
|
|
index: index, child: RadarOverview.placeholder);
|
|
}
|
|
|
|
final radar = state.radars[index];
|
|
return _SlideFadeTransition(
|
|
index: index,
|
|
child: RadarOverview(
|
|
radar: radar,
|
|
onMarkChanged: state.changeMark,
|
|
onLikedChanged: state.changeLike,
|
|
onCommentsChanged: (id, count) =>
|
|
state.onCommentsChanged(id, count),
|
|
radarRequestArgs: RadarRequestArgs(
|
|
page: state.page,
|
|
categories:
|
|
List.from(state.selectedCats.map((cat) => cat.id)),
|
|
endDate: state.endDate,
|
|
isSingleItem: false,
|
|
search: state.search,
|
|
startDate: state.startDate,
|
|
),
|
|
),
|
|
);
|
|
},
|
|
enableEmptyState:
|
|
state.radars.isEmpty && state.appState != AppState.busy,
|
|
emptyState: EmptyResult(
|
|
onNewSearch: () => _focusNode.requestFocus(),
|
|
),
|
|
itemPadding: const EdgeInsets.only(
|
|
bottom: 20,
|
|
left: 16,
|
|
right: 16,
|
|
),
|
|
placeholder:
|
|
_SlideFadeTransition(index: 0, child: RadarOverview.placeholder),
|
|
),
|
|
],
|
|
);
|
|
}
|
|
|
|
bool _hasMoreItems(RadarState state) {
|
|
return state.radars.length > state.visibleCount ||
|
|
state.page < state.lastPage;
|
|
}
|
|
|
|
Widget _buildLoadMoreButton(BuildContext context, RadarState state) {
|
|
if (state.appState == AppState.busy &&
|
|
state.radars.length <= state.visibleCount) {
|
|
return const Padding(
|
|
padding: EdgeInsets.all(16.0),
|
|
child: Center(child: CircularProgressIndicator()),
|
|
);
|
|
}
|
|
|
|
return Padding(
|
|
padding: const EdgeInsets.symmetric(vertical: 16.0, horizontal: 16.0),
|
|
child: Center(
|
|
child: GestureDetector(
|
|
onTap: () {
|
|
state.loadMore();
|
|
},
|
|
child: Container(
|
|
padding: const EdgeInsets.symmetric(
|
|
horizontal: 50.0,
|
|
vertical: 12.0,
|
|
),
|
|
decoration: BoxDecoration(
|
|
color: const Color.fromARGB(255, 0, 126, 167),
|
|
borderRadius: BorderRadius.circular(15),
|
|
),
|
|
child: Row(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
SvgPicture.asset(
|
|
'lib/assets/icons/element-plus.svg',
|
|
colorFilter:
|
|
const ColorFilter.mode(Colors.white, BlendMode.srcIn),
|
|
width: 20,
|
|
),
|
|
const SizedBox(width: 8),
|
|
const Text(
|
|
'بارگذاری بیشتر',
|
|
style: TextStyle(
|
|
color: Colors.white,
|
|
fontSize: 14,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildCoolCategoryItem(
|
|
CategoryData category, bool isDark, RadarState state, ThemeData theme) {
|
|
final isSelected =
|
|
state.selectedCats.any((element) => element.id == category.id);
|
|
category.asset = _getCategoryIcon(category.id, isDark);
|
|
|
|
return Expanded(
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(8.0),
|
|
child: GestureDetector(
|
|
onTap: () => _onCategorySelected(category),
|
|
child: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
AnimatedContainer(
|
|
duration: const Duration(milliseconds: 300),
|
|
curve: Curves.fastOutSlowIn,
|
|
padding: EdgeInsets.zero,
|
|
decoration: BoxDecoration(
|
|
color: isSelected
|
|
? theme.colorScheme.primary.withOpacity(0.1)
|
|
: Colors.transparent,
|
|
borderRadius: BorderRadius.circular(30),
|
|
border: Border.all(
|
|
color: isSelected
|
|
? theme.colorScheme.primary
|
|
: Colors.transparent,
|
|
width: 2,
|
|
),
|
|
),
|
|
child: ClipRRect(
|
|
borderRadius: BorderRadius.circular(30),
|
|
child: SvgPicture.asset(
|
|
category.asset!,
|
|
width: 100,
|
|
height: 100,
|
|
),
|
|
),
|
|
),
|
|
const SizedBox(height: 3),
|
|
Text(
|
|
category.label,
|
|
textAlign: TextAlign.center,
|
|
maxLines: 1,
|
|
overflow: TextOverflow.ellipsis,
|
|
style: theme.textTheme.bodySmall?.copyWith(
|
|
color: theme.colorScheme.primary,
|
|
fontWeight: isSelected ? FontWeight.bold : FontWeight.bold,
|
|
fontSize: 13,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
void _onChanged(String value) {
|
|
final state = context.read<RadarState>();
|
|
if (value.length < 3 && value.isNotEmpty || state.lastSearch == value) {
|
|
return;
|
|
}
|
|
_timer?.cancel();
|
|
_timer = Timer(const Duration(seconds: 1), () {
|
|
state.search = value;
|
|
state.getRadars(page: 1);
|
|
});
|
|
}
|
|
|
|
void _onCategorySelected(CategoryData category) {
|
|
final state = context.read<RadarState>();
|
|
|
|
final isAlreadySelected =
|
|
state.selectedCats.any((cat) => cat.id == category.id);
|
|
|
|
state.selectedCats.clear();
|
|
|
|
if (!isAlreadySelected && category.id != 0) {
|
|
state.selectedCats.add(category);
|
|
}
|
|
|
|
state.getRadars(page: 1);
|
|
}
|
|
|
|
Future<void> _showFilterBottomSheet() async {
|
|
final state = context.read<RadarState>();
|
|
await ActionSheetUtils(context).showBottomSheet(
|
|
data: ActionSheetData(
|
|
title: 'فیلتر جستجو',
|
|
smallDismissButton: true,
|
|
titleIcon: DidvanIcons.filter_regular,
|
|
dismissTitle: 'حذف فیلتر',
|
|
confrimTitle: 'نمایش نتایج',
|
|
onDismissed: () => state.resetFilters(false),
|
|
onConfirmed: () => state.getRadars(page: 1),
|
|
content: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
ItemTitle(
|
|
title: 'تاریخ ایجاد',
|
|
style: Theme.of(context).textTheme.bodyMedium,
|
|
icon: DidvanIcons.calendar_range_regular,
|
|
),
|
|
// const SizedBox(height: 8),
|
|
StatefulBuilder(
|
|
builder: (context, setState) => Row(
|
|
children: [
|
|
DatePickerButton(
|
|
initialValue: state.startDate,
|
|
emptyText: 'از تاریخ',
|
|
onPicked: (date) => setState(() => state.startDate = date),
|
|
lastDate: state.endDate,
|
|
),
|
|
const SizedBox(width: 8),
|
|
DatePickerButton(
|
|
initialValue: state.endDate,
|
|
emptyText: 'تا تاریخ',
|
|
onPicked: (date) => setState(() => state.endDate = date),
|
|
firstDate: state.startDate,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
// const SizedBox(height: 28),
|
|
ItemTitle(
|
|
title: 'دسته بندی',
|
|
icon: DidvanIcons.category_regular,
|
|
style: Theme.of(context).textTheme.bodyMedium,
|
|
),
|
|
const SizedBox(height: 12),
|
|
Wrap(
|
|
children: [
|
|
for (var i = 0; i < state.categories.length; i++)
|
|
SizedBox(
|
|
width: (MediaQuery.of(context).size.width - 40) / 2,
|
|
child: DidvanCheckbox(
|
|
title: state.categories[i].label,
|
|
value: state.selectedCats
|
|
.any((cat) => cat.id == state.categories[i].id),
|
|
onChanged: (value) {
|
|
if (value) {
|
|
state.selectedCats.add(state.categories[i]);
|
|
} else {
|
|
state.selectedCats.removeWhere(
|
|
(cat) => cat.id == state.categories[i].id);
|
|
}
|
|
},
|
|
),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
_focusNode.dispose();
|
|
super.dispose();
|
|
}
|
|
}
|
|
|
|
class _SlideFadeTransition extends StatefulWidget {
|
|
final Widget child;
|
|
final int index;
|
|
|
|
const _SlideFadeTransition({
|
|
Key? key,
|
|
required this.child,
|
|
required this.index,
|
|
}) : super(key: key);
|
|
|
|
@override
|
|
State<_SlideFadeTransition> createState() => _SlideFadeTransitionState();
|
|
}
|
|
|
|
class _SlideFadeTransitionState extends State<_SlideFadeTransition>
|
|
with SingleTickerProviderStateMixin {
|
|
late final AnimationController _controller;
|
|
late final Animation<double> _opacity;
|
|
late final Animation<Offset> _offset;
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
_controller = AnimationController(
|
|
vsync: this,
|
|
duration: const Duration(milliseconds: 600),
|
|
);
|
|
|
|
_opacity = CurvedAnimation(parent: _controller, curve: Curves.easeOut);
|
|
_offset = Tween<Offset>(begin: const Offset(0, 0.1), end: Offset.zero)
|
|
.animate(
|
|
CurvedAnimation(parent: _controller, curve: Curves.easeOutCubic));
|
|
|
|
Future.delayed(Duration(milliseconds: 50 * (widget.index % 5)), () {
|
|
if (mounted) {
|
|
_controller.forward();
|
|
}
|
|
});
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
_controller.dispose();
|
|
super.dispose();
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return FadeTransition(
|
|
opacity: _opacity,
|
|
child: SlideTransition(
|
|
position: _offset,
|
|
child: widget.child,
|
|
),
|
|
);
|
|
}
|
|
}
|