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import 'package:bloc_pattern/bloc_pattern.dart';
import 'package:flutter/material.dart';
import 'package:minhacidade/blocs/evento_bloc.dart';
import 'package:minhacidade/pages/evento_page.dart';
import 'package:minhacidade/widgets/card_widget.dart';
class EventosPage extends StatefulWidget {
EventosPage({Key key}) : super(key: key);
_EventosPageState createState() => _EventosPageState();
}
class _EventosPageState extends State<EventosPage>
with AutomaticKeepAliveClientMixin<EventosPage> {
final _eventoBloc = BlocProvider.getBloc<EventoBloc>();
@override
bool get wantKeepAlive => true;
@override
void initState() {
super.initState();
_eventoBloc.getEventos();
}
@override
Widget build(BuildContext context) {
super.build(context);
return Container(
color: Colors.white,
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Expanded(
child: RefreshIndicator(
onRefresh: (() async {
_eventoBloc.getUpdate();
}),
child: StreamBuilder(
stream: _eventoBloc.stream,
builder: (context, snapshot) {
switch (snapshot.connectionState) {
case ConnectionState.none:
case ConnectionState.waiting:
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Image.asset(
'assets/images/logo.png',
scale: 2,
),
Text('Carregando...'),
],
),
);
default:
if (snapshot.hasError) {
return _dataEmpty(
"Ocorreu um erro, favor tentar novamente");
} else if (snapshot.hasData) {
if (snapshot.data.length != 0) {
return _createListView(snapshot.data);
} else {
return _dataEmpty("Nenhum evento encontrado");
}
} else {
return _dataEmpty("Nenhum evento encontrado");
}
}
},
),
),
)
],
),
),
);
}
ListView _createListView(eventos) {
return ListView.builder(
itemCount: eventos.length,
itemBuilder: (context, index) {
var evento = eventos[index];
return GestureDetector(
onTap: () {
Navigator.push(context, MaterialPageRoute(
builder: (context) => EventoPage(evento: evento,)
));
},
child: Container(
margin: const EdgeInsets.symmetric(vertical: 8, horizontal: 8),
child: Column(
children: <Widget>[
Hero(
tag: 'eventoImage${evento.id}',
child: imageCardRoundTop(context, evento.getImage(),
imageAssets: true, elevation: 2.0),
),
cardBorderRadius(
context,
Column(
crossAxisAlignment: CrossAxisAlignment.end,
children: <Widget>[
Container(
width: MediaQuery.of(context).size.width,
child: Align(
alignment: Alignment.bottomRight,
child: Text(
evento.titulo,
style: Theme.of(context)
.textTheme
.display1
.copyWith(color: Colors.black54),
),
),
),
Text(
evento.horario,
style: Theme.of(context)
.textTheme
.display1
.copyWith(color: Colors.black54),
),
Text(
"R\$ ${evento.valor.toString().replaceAll(".", ",")}",
style: Theme.of(context)
.textTheme
.display1
.copyWith(color: Colors.black54),
),
],
),
topLeft: 0.0,
topRight: 0.0,
elevation: 1.0,
bgColor: Colors.white),
],
),
),
);
},
);
}
_dataEmpty(String mensagem) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Image.asset(
'assets/images/logo.png',
scale: 2,
),
Text(mensagem, style: Theme.of(context).textTheme.body1.copyWith(fontSize: 18),),
],
),
);
}
}
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