geoform 0.0.6-beta.1

Flutter widget to work with dynamic forms that have a geo-spatial reference asociated with the form. This tool can be used to group and simplify the work with these forms.

example/lib/main.dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:geoform/geoform_markers.dart';
import 'package:latlong2/latlong.dart';
import 'package:geoform/geoform.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  void initState() {
    super.initState();
    initPlatformState();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {});
  }

  // final tileLayerOptions = TileLayerOptions(
  //   urlTemplate: "https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png",
  //   subdomains: ['a', 'b', 'c'],
  //   tileProvider: const CachedTileProvider(),
  // );

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Geoform(
          title: "Geoform",
          registerOnlyWithMarker: true,
          initialPosition: LatLng(-16.40904025, -71.509028501),
          initialZoom: 18,
          markers: [MyMarker(position: LatLng(-16.40904025, -71.509028501))],
          formBuilder: (BuildContext context, GeoformContext geoformContext) {
            final mapPosition = geoformContext.currentMapPosition;
            final userPosition = geoformContext.currentUserPosition;
            return Scaffold(
              appBar: AppBar(
                title: const Text("Geoform"),
              ),
              body: Center(
                child: Column(
                  children: [
                    Text(
                        'Map Position: ${mapPosition.latitude}, ${mapPosition.longitude}'),
                    Text(
                        'User Position: ${userPosition.latitude}, ${userPosition.longitude}'),
                  ],
                ),
              ),
            );
          },
          followUserPositionAtStart: false,
          bottomActionsBuilder: (
            context,
            actionActivated,
            actionTextController,
            selectedMarker,
            onActionPressed,
            onRegisterPressed,
          ) {
            return Column(
              children: [
                if (actionActivated) ...[
                  const SizedBox(height: 16),
                  TextFormField(
                    autocorrect: false,
                    controller: actionTextController,
                    decoration: InputDecoration(
                      prefixText: (selectedMarker! as MyMarker)
                          .position
                          .latitude
                          .toString(),
                      contentPadding: const EdgeInsets.symmetric(
                        horizontal: 16,
                      ),
                      labelText: "Editar",
                      hintStyle: TextStyle(color: Colors.grey[400]),
                      filled: true,
                      fillColor: Colors.white70,
                      border: const OutlineInputBorder(
                        borderRadius: BorderRadius.all(
                          Radius.circular(10),
                        ),
                      ),
                      floatingLabelBehavior: FloatingLabelBehavior.always,
                      errorMaxLines: 2,
                    ),
                  ),
                  const SizedBox(height: 16),
                ],
                Row(
                  children: [
                    Padding(
                      padding: const EdgeInsets.only(right: 8),
                      child: TextButton(
                        onPressed: onActionPressed,
                        style: ElevatedButton.styleFrom(
                          animationDuration: const Duration(milliseconds: 300),
                          shadowColor: Colors.transparent,
                          padding: const EdgeInsets.symmetric(
                            vertical: 16,
                            horizontal: 16,
                          ),
                          textStyle: const TextStyle(fontSize: 18),
                        ),
                        child: Text(actionActivated ? 'Cancelar' : 'Adicional'),
                      ),
                    ),
                    Expanded(
                      child: ElevatedButton(
                        onPressed: onRegisterPressed,
                        style: ElevatedButton.styleFrom(
                          animationDuration: const Duration(milliseconds: 300),
                          shadowColor: Colors.transparent,
                          padding: const EdgeInsets.symmetric(vertical: 16),
                          textStyle: const TextStyle(fontSize: 18),
                        ),
                        child: const Text('Guardar'),
                      ),
                    ),
                  ],
                ),
              ],
            );
          },
        ),
      ),
    );
  }
}

class MyMarker implements GeoformMarkerDatum {
  MyMarker({required this.position});

  @override
  final LatLng position;
}