110 lines
2.7 KiB
Dart
110 lines
2.7 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../model/flood_station.dart';
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import '../services/overlay_service.dart';
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import '../widgets/flood_station_list_view.dart';
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import '../services/flood_station_provider.dart';
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import '../widgets/station_filter.dart';
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import 'flood_station_page.dart';
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class LandingPage extends StatefulWidget {
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const LandingPage({super.key});
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@override
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State<LandingPage> createState() => _LandingPageState();
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}
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class _LandingPageState extends State<LandingPage> with OverlayService {
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late FloodStationProvider floodStationProvider;
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@override
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void dispose() {
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super.dispose();
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removeLoadingNotifier(); // Clean up overlay if needed
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}
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@override
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Widget build(BuildContext context) {
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floodStationProvider = context.watch<FloodStationProvider>();
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return Column(
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children: [
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StationFilter(
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onChanged: (filterText) => _handleFilterChange(filterText),
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),
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_buildStationList(),
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],
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);
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}
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Widget _buildStationList() {
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if (!_shouldShowList()) {
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return Expanded(
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child: Center(
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child: ElevatedButton(
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onPressed: _handleLoadAllStations,
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child: const Text('Load all Stations'),
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),
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),
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);
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}
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return Expanded(
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child: FloodStationListView(
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stations: floodStationProvider.filtered
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? floodStationProvider.filteredStations
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: floodStationProvider.allStations,
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onItemTapped: _navigateToStationDetail,
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),
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);
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}
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void _handleFilterChange(String filterText) {
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if (filterText.isEmpty) {
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floodStationProvider.filtered = false;
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setState(() {});
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return;
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}
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showLoadingNotifier(
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context: context,
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message: 'Loading',
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onDismiss: () {
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floodStationProvider.cancelFilterLoading();
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},
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);
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floodStationProvider.loadFilteredStations(filterText);
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floodStationProvider.filteredStationsFuture
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?.then((_) => removeLoadingNotifier());
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floodStationProvider.filtered = true;
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}
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void _handleLoadAllStations() {
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showLoadingNotifier(
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context: context,
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message: 'Loading',
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onDismiss: () {
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floodStationProvider.cancelFilterLoading();
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},
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);
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floodStationProvider
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.loadAllStations()
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.whenComplete(() => removeLoadingNotifier());
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}
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void _navigateToStationDetail(FloodStation station) {
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floodStationProvider.selectedStation = station;
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Navigator.of(context).pushNamed(FloodStationPage.routeName);
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}
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bool _shouldShowList() {
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if (!floodStationProvider.filtered &&
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floodStationProvider.allStations.isNotEmpty) {
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return true;
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}
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return floodStationProvider.filtered;
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}
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}
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