fullsourcecode.dart

import 'dart:io';

import 'package:flutter/material.dart';
import 'package:page_transition/page_transition.dart';
import 'package:mosque/api/api_mosque.dart';
import 'package:mosque/main.dart';

class UpdateScreen extends StatefulWidget {
  final String idUpdate;
  final String nrpUpdate;
  final String namaUpdate;
  final String emailUpdate;
  final String jurusanUpdate;
  final String imageUpdate;

  UpdateScreen({
    this.idUpdate,
    this.nrpUpdate,
    this.namaUpdate,
    this.emailUpdate,
    this.jurusanUpdate,
    this.imageUpdate,
  });
  @override
  _UpdateScreenState createState() => _UpdateScreenState();
}

class _UpdateScreenState extends State<UpdateScreen> {
  final _scaffoldKey = GlobalKey<ScaffoldState>();
  bool _isLoadingButton = false;
  ApiHelper api = ApiHelper();
  File _image;
  TextEditingController _txtId;
  TextEditingController _txtNRP;
  TextEditingController _txtNama;
  TextEditingController _txtEmail;
  TextEditingController _txtJurusan;
  @override
  void initState() {
    _txtId = TextEditingController(text: "${widget.idUpdate}");
    _txtNRP = TextEditingController(text: "${widget.nrpUpdate}");
    _txtNama = TextEditingController(text: "${widget.namaUpdate}");
    _txtEmail = TextEditingController(text: "${widget.emailUpdate}");
    _txtJurusan = TextEditingController(text: "${widget.jurusanUpdate}");
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      key: _scaffoldKey,
      appBar: AppBar(
        actions: <Widget>[
          _isLoadingButton
              ? _loadingIndicator()
              : IconButton(
                  icon: Icon(
                    Icons.check_box,
                    color: Colors.white,
                    size: 32,
                  ),
                  onPressed: () {
                    _validateTextField();
                  },
                )
        ],
        leading: IconButton(
          icon: Icon(Icons.arrow_left),
          onPressed: () => Navigator.pop(context, false),
        ),
        centerTitle: true,
        title: Text('Update ${widget.namaUpdate}'),
      ),
      body: Container(
        child: SingleChildScrollView(
          scrollDirection: Axis.vertical,
          padding: EdgeInsets.all(20),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                children: <Widget>[
                  Column(
                    children: <Widget>[
                      Text('Its Using Image Network'),
                      CircleAvatar(
                        radius: 70,
                        backgroundImage: NetworkImage(
                            '${Urls.BASE_API_IMAGE}/${widget.imageUpdate}'),
                      ),
                    ],
                  ),
                  Column(
                    children: <Widget>[
                      Text('im want this using image.file()'),
                      CircleAvatar(
                        radius: 70,
                        backgroundImage: NetworkImage(
                            '${Urls.BASE_API_IMAGE}/${widget.imageUpdate}'),
                      ),
                    ],
                  ),
                ],
              ),
              TextFormField(
                readOnly: true,
                controller: _txtId,
                decoration: new InputDecoration(
                  labelText: "Enter ID",
                  fillColor: Colors.white,
                ),
                keyboardType: TextInputType.phone,
              ),
              TextFormField(
                autofocus: true,
                maxLength: 9,
                controller: _txtNRP,
                decoration: new InputDecoration(
                  labelText: "Enter NRP",
                  fillColor: Colors.white,
                ),
                keyboardType: TextInputType.phone,
              ),
              TextFormField(
                controller: _txtNama,
                decoration: new InputDecoration(
                  labelText: "Enter Name",
                  fillColor: Colors.white,
                ),
                keyboardType: TextInputType.text,
              ),
              TextFormField(
                controller: _txtEmail,
                decoration: new InputDecoration(
                  labelText: "Enter Email",
                  fillColor: Colors.white,
                ),
                keyboardType: TextInputType.emailAddress,
              ),
              TextFormField(
                controller: _txtJurusan,
                decoration: new InputDecoration(
                  labelText: "Enter Jurusan",
                  fillColor: Colors.white,
                ),
                keyboardType: TextInputType.text,
              ),
            ],
          ),
        ),
      ),
    );
  }

  Widget _loadingIndicator() {
    return Align(
      alignment: Alignment.center,
      child: CircularProgressIndicator(),
    );
  }

  void _validateTextField() async {
    if (_txtNRP.text == widget.nrpUpdate &&
        _txtNama.text == widget.namaUpdate &&
        _txtEmail.text == widget.emailUpdate &&
        _txtJurusan.text == widget.jurusanUpdate) {
      _showSnackBar(context, 'Data Tidak Boleh Sama', Colors.red);
    } else {
      _updateRevisi();
    }
  }

  void _updateRevisi() async {
    final body = {
      "nrp": _txtNRP.text,
      "nama": _txtNama.text,
      "email": _txtEmail.text,
      "jurusan": _txtJurusan.text,
      "id": _txtId.text,
    };
    int update = await api.updateMahasiswaRevisi(CrudComponent.headers, body);
    if (update == 204) {
      Navigator.push(
          context,
          PageTransition(
              child: Welcome(), type: PageTransitionType.leftToRight));
    } else {
      _showSnackBar(context, "Failed Update ", Colors.red[800]);
    }
  }

  void _showSnackBar(BuildContext context, String message, Color color) {
    final snackBar = SnackBar(
      duration: Duration(seconds: 1),
      backgroundColor: color,
      content: Text(message),
    );
    _scaffoldKey.currentState.showSnackBar(snackBar);
  }
}