Semana 6 - Parte 0

import 'package:flutter/material.dart';
import 'Models/Produto.dart';

void main() => runApp(Mercado());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: "Mercado",
      home: Mercado(),
    );
  }
}

class Mercado extends StatelessWidget {
  final TextEditingController _controladorNome = TextEditingController();
  final TextEditingController _controladorQuantidade = TextEditingController();
  final TextEditingController _controladorValor = TextEditingController();
  final TextEditingController _controladorData = TextEditingController();

  Future<void> _selectDate(context) async {
    DateTime selectedDate = await showDatePicker(
        context: context,
        initialDate: DateTime.now(),
        firstDate: DateTime(2017),
        lastDate: DateTime(2021));
    String resultado =
        "${selectedDate.day}/${selectedDate.month}/${selectedDate.year}";
    _controladorData.text = resultado;
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
        home: Scaffold(
      appBar: AppBar(
        title: Text('Cadastrando produto'),
      ),
      body: Column(
        children: <Widget>[
          TextField(
              controller: _controladorNome,
              decoration: InputDecoration(labelText: 'Nome')),
          Padding(
              padding: const EdgeInsets.only(top: 16.0),
              child: TextField(
                controller: _controladorQuantidade,
                decoration: InputDecoration(labelText: 'Quantidade'),
                keyboardType: TextInputType.number,
              )),
          Padding(
              padding: const EdgeInsets.only(top: 16.0),
              child: TextField(
                controller: _controladorValor,
                decoration: InputDecoration(labelText: 'Valor'),
                keyboardType: TextInputType.number,
              )),
          Padding(
            padding: const EdgeInsets.only(top: 16.0),
            child: Row(
              children: [
                Expanded(
                    child: TextField(
                  controller: _controladorData,
                  enabled: false,
                  decoration: InputDecoration(labelText: 'Data'),
                )),
                Expanded(
                  child: RaisedButton(
                      child: Text('Selecionar Data'),
                      onPressed: () {
                        _selectDate(context);
                      }),
                )
              ],
            ),
          ),
          Padding(
              padding: const EdgeInsets.only(top: 16.0),
              child: RaisedButton(
                child: Text('Cadastrar'),
                onPressed: () {
                  final String nome = _controladorNome.text;
                  final int quantidade =
                      int.tryParse(_controladorQuantidade.text);
                  final double valor = double.tryParse(_controladorValor.text);
                  final Produto produtoNovo =
                      Produto(nome, quantidade, valor, _controladorData.text);
                  print(produtoNovo);
                },
              )),
        ],
      ),
    ));
  }
}