Added fire locations
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vjrj
parent
c4438365ab
commit
8e4e469eb8
15 changed files with 607 additions and 49 deletions
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@ -1,34 +1,244 @@
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import 'package:flutter/material.dart';
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import 'package:location/location.dart';
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import 'mainDrawer.dart';
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import 'genericMap.dart';
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import 'dart:async';
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import 'package:flutter/services.dart';
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import 'package:comunes_flutter/comunes_flutter.dart';
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import 'colors.dart';
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import 'placesAutocompleteUtils.dart';
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import 'basicLocation.dart';
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import 'package:collection/collection.dart' show lowerBound;
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class ActiveFiresMap extends StatelessWidget {
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static const String routeName = '/fires';
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class _ActiveFiresPageState extends State<ActiveFiresPage> {
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final GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>();
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// https://docs.flutter.io/flutter/dart-core/List-class.html
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final List<BasicLocation> _saved = [];
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int length;
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_ActiveFiresPageState();
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Widget _buildRow(BasicLocation loc) {
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String desc = loc.description != null ? loc.description:
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'Position: ${loc.lat}, ${loc.lon}';
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return new ListTile(
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dense: false,
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leading: const Icon(Icons.location_on),
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// trailing: const Icon(Icons.delete),
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title: new Text(desc),
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onTap: () {
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Navigator.push(context,
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new MaterialPageRoute(builder: (context) => new GenericMap(title: desc, latitude: loc.lat, longitude: loc.lon)));
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});
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}
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Widget _buildSavedLocations() {
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return new ListView.builder(
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padding: const EdgeInsets.all(16.0),
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itemCount: _saved.length,
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itemBuilder: (BuildContext _context, int i) {
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// Add a one-pixel-high divider widget before each row
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// in the ListView.
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/* if (i.isOdd) {
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return new Divider();
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} */
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// The syntax "i ~/ 2" divides i by 2 and returns an
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// integer result.
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// For example: 1, 2, 3, 4, 5 becomes 0, 1, 1, 2, 2.
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// This calculates the actual number of saved items
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// in the ListView, minus the divider widgets.
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// final int index = i ~/ 2;
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// print('$i $index');
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// if (index >= _saved.length) return null;
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return _buildItem(_saved.elementAt(i));
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});
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}
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void handleUndo(BasicLocation item) {
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print('Undo $item');
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final int insertionIndex = lowerBound(_saved, item);
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setState(() {
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_saved.insert(insertionIndex, item);
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});
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}
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Widget _buildItem(BasicLocation item) {
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final ThemeData theme = Theme.of(context);
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return new Dismissible(
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key: new ObjectKey(item),
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direction: DismissDirection.horizontal,
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onDismissed: (DismissDirection direction) {
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setState(() {
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_saved.remove(item);
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});
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final String action = 'deleted';
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_scaffoldKey.currentState.showSnackBar(new SnackBar(
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content: new Text('You $action item'), // ${item.index}'),
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action: new SnackBarAction(
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label: 'UNDO',
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onPressed: () {
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handleUndo(item);
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})));
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},
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background: new Container(
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color: theme.primaryColor,
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child: const ListTile(
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leading:
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const Icon(Icons.delete, color: Colors.white, size: 36.0))),
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secondaryBackground: new Container(
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color: theme.primaryColor,
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child: const ListTile(
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trailing:
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const Icon(Icons.delete, color: Colors.white, size: 36.0))),
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child: new Container(
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decoration: new BoxDecoration(
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color: theme.canvasColor,
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border: new Border(
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bottom: new BorderSide(color: theme.dividerColor))),
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child: _buildRow(item)));
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}
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Future<BasicLocation> getUserLocation() async {
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// FIXME do something with this
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String error;
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// Platform messages may fail, so we use a try/catch PlatformException.
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try {
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Location _location = new Location();
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Map<String, double> location = await _location.getLocation;
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error = null;
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print('location $location');
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// It seems that the lib fails with lat/lon values
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return new BasicLocation(
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lon: location['latitude'], lat: location['longitude']);
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} on PlatformException catch (e) {
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if (e.code == 'PERMISSION_DENIED') {
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error = 'Permission denied';
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} else if (e.code == 'PERMISSION_DENIED_NEVER_ASK') {
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error =
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'Permission denied - please ask the user to enable it from the app settings';
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}
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// FIXME
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throw e;
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}
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}
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@override
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void initState() {
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super.initState();
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length = _saved.length;
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}
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@override
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Widget build(BuildContext context) {
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print('Building Active Fires, saved $length');
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final title = 'Active fires locations';
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return Scaffold(
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key: _scaffoldKey,
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drawer: new MainDrawer(context),
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appBar: new AppBar(
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title: Text('Active fires'),
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leading: IconButton(
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icon: Icon(Icons.menu),
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key: _scaffoldKey,
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drawer: new MainDrawer(context),
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appBar: new AppBar(
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title: Text(title),
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leading: IconButton(
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icon: Icon(Icons.menu),
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onPressed: () {
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_scaffoldKey.currentState.openDrawer();
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},
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),
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/* actions: <Widget>[
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new IconButton(
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icon: Icon(Icons.location_searching), onPressed: () {}),
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IconButton(
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icon: Icon(Icons.more_vert),
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onPressed: () {
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_scaffoldKey.currentState.openDrawer();
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print('More button');
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},
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),
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actions: <Widget>[
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new IconButton(
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icon: Icon(Icons.location_searching), onPressed: () => {}),
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IconButton(
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icon: Icon(Icons.more_vert),
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onPressed: () {
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print('More button');
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},
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),
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],
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),
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body: new Text('No active fires'));
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], */
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),
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body: length > 0
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? _buildSavedLocations()
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: new Center(
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child: new CenteredColumn(children: <Widget>[
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new RoundedBtn(
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icon: Icons.location_searching,
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text: 'Add your position',
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onPressed: onAddYourLocation,
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backColor: fires600),
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const SizedBox(height: 26.0),
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new RoundedBtn(
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icon: Icons.edit_location,
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text: 'Add some other place',
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onPressed: () {
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onAddOtherLocation(context);
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},
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backColor: fires600),
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])),
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floatingActionButton: length > 0
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? Column(mainAxisAlignment: MainAxisAlignment.end, children: <Widget>[
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FloatingActionButton.extended(
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onPressed: onAddYourLocation,
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heroTag: 'yourposition',
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label: const Text('Add your position'),
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icon: const Icon(Icons.location_searching),
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),
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Padding(
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padding: const EdgeInsets.only(top: 16.0),
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child: FloatingActionButton.extended(
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onPressed: () {
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onAddOtherLocation(context);
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},
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heroTag: 'otherplace',
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label: new Text('Add some other place'),
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icon: const Icon(Icons.edit_location),
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),
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)
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])
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: null,
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);
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}
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void onAddYourLocation() {
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Future<BasicLocation> location = getUserLocation();
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_saveLocation(location);
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}
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void onAddOtherLocation(BuildContext context) {
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Future<BasicLocation> location = openPlacesDialog(context);
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_saveLocation(location);
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}
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void _saveLocation(Future<BasicLocation> location) {
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location.then((newLocation) {
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this.setState(() {
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_saved.add(newLocation);
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length = _saved.length;
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});
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});
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}
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}
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class MyDrawer extends StatelessWidget {
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static final MyDrawer _drawer = new MyDrawer._internal();
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factory MyDrawer() {
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return _drawer;
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}
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MyDrawer._internal();
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@override
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Widget build(BuildContext context) {
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return new Text("Drawer");
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}
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}
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class ActiveFiresPage extends StatefulWidget {
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static const String routeName = '/fires';
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ActiveFiresPage();
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@override
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_ActiveFiresPageState createState() => _ActiveFiresPageState();
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}
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