environment_monitoring_app/lib/screens/settings/parameter_limits_settings.dart

485 lines
18 KiB
Dart

// lib/screens/settings/parameter_limits_settings.dart
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:environment_monitoring_app/auth_provider.dart';
class ParameterLimitsSettingsScreen extends StatefulWidget {
const ParameterLimitsSettingsScreen({super.key});
@override
State<ParameterLimitsSettingsScreen> createState() =>
_ParameterLimitsSettingsScreenState();
}
class _ParameterLimitsSettingsScreenState
extends State<ParameterLimitsSettingsScreen> {
final TextEditingController _npeRiverLimitsSearchController =
TextEditingController();
String _npeRiverLimitsSearchQuery = '';
final TextEditingController _npeMarineLimitsSearchController =
TextEditingController();
String _npeMarineLimitsSearchQuery = '';
final TextEditingController _airLimitsSearchController =
TextEditingController();
String _airLimitsSearchQuery = '';
final TextEditingController _riverLimitsSearchController =
TextEditingController();
String _riverLimitsSearchQuery = '';
final TextEditingController _marineLimitsSearchController =
TextEditingController();
String _marineLimitsSearchQuery = '';
int _marineLimitsCurrentPage = 1;
final int _marineLimitsItemsPerPage = 15;
@override
void initState() {
super.initState();
_npeRiverLimitsSearchController.addListener(() => setState(
() => _npeRiverLimitsSearchQuery = _npeRiverLimitsSearchController.text));
_npeMarineLimitsSearchController.addListener(() => setState(() =>
_npeMarineLimitsSearchQuery = _npeMarineLimitsSearchController.text));
_airLimitsSearchController.addListener(() =>
setState(() => _airLimitsSearchQuery = _airLimitsSearchController.text));
_riverLimitsSearchController.addListener(() => setState(
() => _riverLimitsSearchQuery = _riverLimitsSearchController.text));
_marineLimitsSearchController.addListener(() {
setState(() {
_marineLimitsSearchQuery = _marineLimitsSearchController.text;
_marineLimitsCurrentPage = 1; // Reset to page 1
});
});
}
@override
void dispose() {
_npeRiverLimitsSearchController.dispose();
_npeMarineLimitsSearchController.dispose();
_airLimitsSearchController.dispose();
_riverLimitsSearchController.dispose();
_marineLimitsSearchController.dispose();
super.dispose();
}
Widget _buildSectionHeader(BuildContext context, String title) {
return Padding(
padding: const EdgeInsets.fromLTRB(8.0, 24.0, 8.0, 16.0),
child: Text(
title,
style: Theme.of(context)
.textTheme
.headlineSmall
?.copyWith(fontWeight: FontWeight.bold),
),
);
}
Widget _buildExpansionTile({
required String title,
required IconData leadingIcon,
required Widget child,
}) {
return ExpansionTile(
leading: Icon(leadingIcon),
title: Text(title, style: const TextStyle(fontWeight: FontWeight.bold)),
children: [
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 8.0),
child: child,
),
],
);
}
Widget _buildInfoList(List<Map<String, dynamic>>? items,
Widget Function(Map<String, dynamic>) itemBuilder) {
if (items == null || items.isEmpty) {
return const ListTile(
title: Text('No data available. Sync to download.'),
dense: true,
);
}
return Column(
children: items.map((item) => itemBuilder(item)).toList(),
);
}
Widget _buildPaginatedMarineLimitsList(
List<Map<String, dynamic>>? filteredList,
List<Map<String, dynamic>>? allStations,
) {
if (filteredList == null || filteredList.isEmpty) {
final originalList = context.read<AuthProvider>().marineParameterLimits;
String message = 'No matching parameter limits found.';
if (originalList == null || originalList.isEmpty) {
message = 'No data available. Sync to download.';
}
return ListTile(
title: Text(message, textAlign: TextAlign.center),
dense: true,
);
}
final totalItems = filteredList.length;
final totalPages = (totalItems / _marineLimitsItemsPerPage).ceil();
if (totalPages > 0 && _marineLimitsCurrentPage > totalPages) {
_marineLimitsCurrentPage = totalPages;
}
final startIndex =
(_marineLimitsCurrentPage - 1) * _marineLimitsItemsPerPage;
final endIndex = (startIndex + _marineLimitsItemsPerPage > totalItems)
? totalItems
: startIndex + _marineLimitsItemsPerPage;
final paginatedItems = filteredList.sublist(startIndex, endIndex);
return Column(
children: [
Column(
children: paginatedItems
.map((item) =>
_buildParameterLimitEntry(item, stations: allStations))
.toList(),
),
if (totalPages > 1) ...[
const Divider(),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
IconButton(
icon: const Icon(Icons.arrow_back_ios),
iconSize: 18.0,
tooltip: 'Previous Page',
onPressed: _marineLimitsCurrentPage > 1
? () {
setState(() {
_marineLimitsCurrentPage--;
});
}
: null,
),
Text(
'Page $_marineLimitsCurrentPage of $totalPages',
style: Theme.of(context).textTheme.bodySmall,
),
IconButton(
icon: const Icon(Icons.arrow_forward_ios),
iconSize: 18.0,
tooltip: 'Next Page',
onPressed: _marineLimitsCurrentPage < totalPages
? () {
setState(() {
_marineLimitsCurrentPage++;
});
}
: null,
),
],
),
]
],
);
}
Widget _buildParameterLimitEntry(
Map<String, dynamic> item, {
List<Map<String, dynamic>>? departments,
List<Map<String, dynamic>>? stations,
}) {
final paramName = item['param_parameter_list']?.toString() ?? 'N/A';
final upperLimit = item['param_upper_limit']?.toString() ?? 'N/A';
final lowerLimit = item['param_lower_limit']?.toString() ?? 'N/A';
String contextSubtitle = '';
if (item.containsKey('department_id') &&
item['department_id'] != null &&
departments != null) {
final deptId = item['department_id'];
final dept =
departments.firstWhere((d) => d['department_id'] == deptId, orElse: () => {});
if (dept.isNotEmpty) {
contextSubtitle = 'Dept: ${dept['department_name']}';
}
}
if (item.containsKey('station_id') &&
item['station_id'] != null &&
stations != null) {
final stationId = item['station_id'];
final station =
stations.firstWhere((s) => s['station_id'] == stationId, orElse: () => {});
if (station.isNotEmpty) {
final stationCode = station['man_station_code'] ?? 'N/A';
final stationName = station['man_station_name'] ?? 'N/A';
contextSubtitle = 'Station: $stationCode - $stationName';
}
}
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 8.0, vertical: 8.0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Expanded(
flex: 2,
child: Text(
lowerLimit,
style: const TextStyle(fontSize: 14, fontWeight: FontWeight.bold),
textAlign: TextAlign.start,
),
),
Expanded(
flex: 5,
child: Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(Icons.science_outlined, size: 16),
const SizedBox(width: 8),
Flexible(
child: Text(
paramName,
style: const TextStyle(fontSize: 14),
textAlign: TextAlign.center,
),
),
],
),
if (contextSubtitle.isNotEmpty)
Padding(
padding: const EdgeInsets.only(top: 2.0),
child: Text(
contextSubtitle,
style: const TextStyle(
fontSize: 12,
fontStyle: FontStyle.italic,
color: Colors.grey),
textAlign: TextAlign.center,
),
),
],
),
),
Expanded(
flex: 2,
child: Text(
upperLimit,
style: const TextStyle(fontSize: 14, fontWeight: FontWeight.bold),
textAlign: TextAlign.end,
),
),
],
),
);
}
Widget _buildSearchBar({
required TextEditingController controller,
required String labelText,
required String hintText,
}) {
return Padding(
padding: const EdgeInsets.only(bottom: 8.0, top: 8.0),
child: TextField(
controller: controller,
decoration: InputDecoration(
labelText: labelText,
hintText: hintText,
prefixIcon: const Icon(Icons.search),
border: OutlineInputBorder(borderRadius: BorderRadius.circular(8.0)),
suffixIcon: controller.text.isNotEmpty
? IconButton(
icon: const Icon(Icons.clear),
onPressed: () => controller.clear())
: null,
),
style: const TextStyle(fontSize: 14),
),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text("Parameter Limits"),
),
body: Consumer<AuthProvider>(
builder: (context, auth, child) {
final npeParameterLimits = auth.npeParameterLimits;
final marineParameterLimits = auth.marineParameterLimits;
final riverParameterLimits = auth.riverParameterLimits;
final departments = auth.departments;
final allManualStations = auth.manualStations;
final int? airDepartmentId = departments
?.firstWhere((d) => d['department_name'] == 'Air',
orElse: () => {})
?['department_id'];
final int? riverDepartmentId = departments
?.firstWhere((d) => d['department_name'] == 'River',
orElse: () => {})
?['department_id'];
final int? marineDepartmentId = departments
?.firstWhere((d) => d['department_name'] == 'Marine',
orElse: () => {})
?['department_id'];
final filteredNpeRiverLimits = npeParameterLimits?.where((limit) {
final isRiverNpe =
riverDepartmentId != null && limit['department_id'] == riverDepartmentId;
if (!isRiverNpe) return false;
final paramName = limit['param_parameter_list']?.toLowerCase() ?? '';
final query = _npeRiverLimitsSearchQuery.toLowerCase();
return paramName.contains(query);
}).toList();
final filteredNpeMarineLimits = npeParameterLimits?.where((limit) {
final isMarineNpe = marineDepartmentId != null &&
limit['department_id'] == marineDepartmentId;
if (!isMarineNpe) return false;
final paramName = limit['param_parameter_list']?.toLowerCase() ?? '';
final query = _npeMarineLimitsSearchQuery.toLowerCase();
return paramName.contains(query);
}).toList();
final filteredAirLimits = npeParameterLimits?.where((limit) {
final isAirLimit =
airDepartmentId != null && limit['department_id'] == airDepartmentId;
if (!isAirLimit) return false;
final paramName = limit['param_parameter_list']?.toLowerCase() ?? '';
final query = _airLimitsSearchQuery.toLowerCase();
return paramName.contains(query);
}).toList();
final filteredRiverLimits = riverParameterLimits?.where((limit) {
final paramName = limit['param_parameter_list']?.toLowerCase() ?? '';
final query = _riverLimitsSearchQuery.toLowerCase();
return paramName.contains(query);
}).toList();
final filteredMarineLimits = marineParameterLimits?.where((limit) {
final paramName = limit['param_parameter_list']?.toLowerCase() ?? '';
final query = _marineLimitsSearchQuery.toLowerCase();
if (paramName.contains(query)) return true;
final stationId = limit['station_id'];
if (stationId != null && allManualStations != null) {
final station = allManualStations.firstWhere(
(s) => s['station_id'] == stationId,
orElse: () => {});
if (station.isNotEmpty) {
final stationName =
station['man_station_name']?.toLowerCase() ?? '';
final stationCode =
station['man_station_code']?.toLowerCase() ?? '';
if (stationName.contains(query) || stationCode.contains(query)) {
return true;
}
}
}
return false;
}).toList();
return ListView(
padding: const EdgeInsets.all(16.0),
children: [
_buildSectionHeader(context, "Parameter Limits"),
Card(
margin: EdgeInsets.zero,
child: Column(
children: [
_buildExpansionTile(
title: 'NPE River Parameter Limits',
leadingIcon: Icons.science_outlined,
child: Column(
children: [
_buildSearchBar(
controller: _npeRiverLimitsSearchController,
labelText: 'Search NPE River Limits',
hintText: 'Search by parameter name',
),
_buildInfoList(
filteredNpeRiverLimits,
(item) => _buildParameterLimitEntry(item,
departments: departments)),
],
),
),
_buildExpansionTile(
title: 'NPE Marine Parameter Limits',
leadingIcon: Icons.science_outlined,
child: Column(
children: [
_buildSearchBar(
controller: _npeMarineLimitsSearchController,
labelText: 'Search NPE Marine Limits',
hintText: 'Search by parameter name',
),
_buildInfoList(
filteredNpeMarineLimits,
(item) => _buildParameterLimitEntry(item,
departments: departments)),
],
),
),
_buildExpansionTile(
title: 'Air Parameter Limits',
leadingIcon: Icons.air,
child: Column(
children: [
_buildSearchBar(
controller: _airLimitsSearchController,
labelText: 'Search Air Limits',
hintText: 'Search by parameter name',
),
_buildInfoList(
filteredAirLimits,
(item) => _buildParameterLimitEntry(item,
departments: departments)),
],
),
),
_buildExpansionTile(
title: 'River Parameter Limits',
leadingIcon: Icons.water,
child: Column(
children: [
_buildSearchBar(
controller: _riverLimitsSearchController,
labelText: 'Search River Limits',
hintText: 'Search by parameter name',
),
_buildInfoList(filteredRiverLimits,
(item) => _buildParameterLimitEntry(item)),
],
),
),
_buildExpansionTile(
title: 'Marine Parameter Limits',
leadingIcon: Icons.waves,
child: Column(
children: [
_buildSearchBar(
controller: _marineLimitsSearchController,
labelText: 'Search Marine Limits',
hintText: 'Search by parameter or station',
),
_buildPaginatedMarineLimitsList(
filteredMarineLimits, allManualStations),
],
),
),
],
),
),
],
);
},
),
);
}
}