Untitled

import 'package:flutter/material.dart';
import 'package:flutter_foro/src/models/asistentes_model.dart';
import 'package:flutter_foro/src/providers/asistentes_provider.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart';
import 'package:provider/provider.dart';

class ListaAsistentesAppState extends StatelessWidget {
  const ListaAsistentesAppState({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    Map? parametros = ModalRoute.of(context)!.settings.arguments as Map?;
    final idSede = parametros?['idSede'] ?? 0;
    return MultiProvider(
      providers: [
        ChangeNotifierProvider(
          create: (_) => AsistentesProvider(),
          lazy: false,
        )
      ],
      child: ListaAsistentes(idSede: idSede),
    );
  }
}

class ListaAsistentes extends StatefulWidget {
  final int idSede;
  const ListaAsistentes({Key? key, required this.idSede}) : super(key: key);

  @override
  State<ListaAsistentes> createState() => _ListaAsistentesState();
}

class _ListaAsistentesState extends State<ListaAsistentes> {
  Widget customSearchBar = const Text('Registro');
  int ast = 0;
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: const Color(0xFFFAFAFA),
      resizeToAvoidBottomInset: false,
      appBar: AppBar(
        title: customSearchBar,
        automaticallyImplyLeading: true,
        centerTitle: true,
        backgroundColor: const Color(0xFF5c6bc0),
        elevation: 0,
        toolbarHeight: 60,
      ),
      body: BusquedaListado(idSede: widget.idSede),
      /*persistentFooterButtons: [
        Container(
          color: Colors.black87,
          child: Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: [
              const Padding(
                padding: EdgeInsets.fromLTRB(20, 10, 20, 10),
                child: Text(
                  'Asistentes Registrados',
                  style: TextStyle(color: Colors.white, fontSize: 16),
                ),
              ),
              Padding(
                padding: const EdgeInsets.fromLTRB(20, 10, 20, 10),
                child: Text(ast.toString(),
                    style: const TextStyle(color: Colors.white, fontSize: 22)),
              )
            ],
          ),
        ),
      ],*/
    );
  }
}

class BusquedaListado extends StatefulWidget {
  final int idSede;
  const BusquedaListado({Key? key, required this.idSede}) : super(key: key);

  @override
  State<BusquedaListado> createState() => _BusquedaListadoState();
}

class _BusquedaListadoState extends State<BusquedaListado> {
  //final items = List<String>.generate(25, (i) => "Item $i");
  @override
  Widget build(BuildContext context) {
    final asisProvider = Provider.of<AsistentesProvider>(context);
    final size = MediaQuery.of(context).size;
    return FutureBuilder(
        future: asisProvider.resultsAsistentes(widget.idSede),
        builder: (_, AsyncSnapshot<List<Result>> snapshot) {
          if (!snapshot.hasData) {
            return SizedBox(
              width: double.infinity,
              height: size.height * 0.5,
              child: const Center(
                child: CircularProgressIndicator(),
              ),
            );
          }
          final List<Result> asdata = snapshot.data!;
          /*WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
            setState(() {
              ListaAsistentes
            });
          });*/
          return Column(
            children: <Widget>[
              /*Padding(
                padding: const EdgeInsets.all(8.0),
                child: TextField(
                  onChanged: (value) {},
                  decoration: const InputDecoration(
                      labelText: "Buscar",
                      hintText: "Buscar",
                      prefixIcon: Icon(Icons.search),
                      border: OutlineInputBorder(
                          borderRadius:
                              BorderRadius.all(Radius.circular(5.0)))),
                ),
              ),*/
              Expanded(
                child: ListView.separated(
                  shrinkWrap: true,
                  itemCount: asdata.length,
                  itemBuilder: (BuildContext context, int index) => Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
                      Padding(
                        padding: const EdgeInsets.fromLTRB(20, 10, 0, 10),
                        child: Text(
                            asdata[index].nombre.toString() +
                                ' ' +
                                asdata[index].apellidos.toString(),
                            style: const TextStyle(
                                fontSize: 14, color: Color(0xFF757575))),
                      ),
                      Padding(
                        padding: const EdgeInsets.fromLTRB(0, 10, 20, 10),
                        child: Container(
                          color: const Color(0xFF2fc298),
                          width: 35.0,
                          height: 35.0,
                          child: TextButton(
                              onPressed: () {
                                Navigator.pushNamed(context, 'asignacodigo',
                                    arguments: {'idsus': asdata[index].idsus});
                              },
                              child: const Icon(
                                FontAwesomeIcons.plus,
                                color: Colors.white,
                                size: 15.0,
                              )),
                        ),
                      )
                    ],
                  ),
                  separatorBuilder: (BuildContext context, int index) =>
                      const Divider(color: Colors.black12),
                ),
              ),
            ],
          );
        });
  }
}