cssd/lib/pages/label_add_screen.dart

import 'package:flutter/material.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart';
import 'package:intl/intl.dart' as DateEditor;
import 'package:provider/provider.dart';

import '../config/routes.dart';
import '../providers/connectivity.dart';
import '../providers/labels.dart';
import '../widgets/Global/internet_error.dart';
import '../widgets/LabelScreens/Add/date_picker.dart';
import '../widgets/LabelScreens/Add/save_button.dart';
import '../widgets/LabelScreens/Add/selector_box.dart';

class LabelAddScreen extends StatefulWidget {
  // static const route = '/LabelAddScreen';

  @override
  _LabelAddScreenState createState() => _LabelAddScreenState();
}

class _LabelAddScreenState extends State<LabelAddScreen> {
  final _cycleNumberFocusNode = FocusNode();
  TextEditingController lotNumberCTRL = new TextEditingController();
  TextEditingController cycleNumberCTRL = new TextEditingController();
  TextEditingController striizerIdCTRL = new TextEditingController();
  TextEditingController sDateCTRL = new TextEditingController();
  TextEditingController eDateCTRL = new TextEditingController();
  TextEditingController packageCTRL = new TextEditingController();

  DateTime dateTimeS;
  // String sDateValue;
  // String eDateValue;

  final _form = GlobalKey<FormState>();

  List<Map<String, String>> packageVals = [];
  List<String> packageValue = [];
  bool isInit = true;
  // CycleFilterObject filters;

  List<TextEditingController> labelsCTRL = [TextEditingController()];
  int curLabelVal = 1;
  @override
  void initState() {
    sDateCTRL.text = DateEditor.DateFormat('y-M-d').format(DateTime.now());
    // sDateValue = DateEditor.DateFormat('y-M-d').format(DateTime.now());
    eDateCTRL.text = DateEditor.DateFormat('y-M-d').format(DateTime.now());
    // eDateValue = DateEditor.DateFormat('y-M-d').format(DateTime.now());
    super.initState();
  }

  @override
  void didChangeDependencies() async {
    if (isInit) {
      Provider.of<LabelsProvider>(context, listen: false)
          .getPackageFilters()
          .then(
        (result) {
          setState(
            () {
              packageVals = result;
              packageValue.add(result[0]['id']);
              packageValue.add(result[0]['name']);
              packageCTRL.text = result[0]['name'];
              isInit = false;
            },
          );
        },
      );
    }
    super.didChangeDependencies();
  }

  @override
  Widget build(BuildContext context) {
    final _media = MediaQuery.of(context);
    final double _devicewidth = _media.size.width;
    final double _deviceBlockSize = _devicewidth / 100;
    return WillPopScope(
      onWillPop: () async {
        Navigator.pushReplacementNamed(
          context,
          Routes.labelResultScreen,
        );
        return true;
      },
      child: SafeArea(
        child: Scaffold(
          appBar: AppBar(
            titleSpacing: -10,
            title: Text('Labels'),
            leading: IconButton(
              icon: Icon(
                Icons.keyboard_arrow_left,
                size: 35,
              ),
              onPressed: () => Navigator.of(context)
                  .pushReplacementNamed(Routes.labelResultScreen),
            ),
          ),
          body: Consumer<ConnectivityProvider>(builder: (ct, connection, _) {
            return connection.conStatus != 'offline'
                ? isInit
                    ? Center(
                        child: CircularProgressIndicator(),
                      )
                    : Form(
                        key: _form,
                        child: Padding(
                          padding: EdgeInsets.all(20),
                          child: ListView(
                            children: <Widget>[
                              Text(
                                'ADD A LABEL',
                                style: TextStyle(
                                  fontWeight: FontWeight.w700,
                                  fontSize: 6 * _deviceBlockSize,
                                  letterSpacing: 3,
                                ),
                              ),
                              SizedBox(
                                height: 20,
                              ),
                              TextFormField(
                                onChanged: (val) {
                                  setState(() {
                                    lotNumberCTRL.text =
                                        val + ' - ' + cycleNumberCTRL.text;
                                  });
                                },
                                validator: (val) {
                                  if (val.isEmpty) {
                                    return 'Strilizer ID required!';
                                  }
                                  return null;
                                },
                                controller: striizerIdCTRL,
                                decoration: InputDecoration(
                                  icon: Icon(FontAwesomeIcons.sortNumericDown,
                                      size: 7 * _deviceBlockSize),
                                  isDense: true,
                                  labelText: 'Strilizer ID',
                                  contentPadding: EdgeInsets.symmetric(
                                      vertical: 2, horizontal: 3),
                                  labelStyle: TextStyle(
                                    fontWeight: FontWeight.w100,
                                    fontSize: 4 * _deviceBlockSize,
                                  ),
                                ),
                                style: TextStyle(
                                  fontWeight: FontWeight.w700,
                                  fontSize: 5 * _deviceBlockSize,
                                ),
                                keyboardType: TextInputType.visiblePassword,
                                textInputAction: TextInputAction.next,
                                onFieldSubmitted: (_) {
                                  FocusScope.of(context)
                                      .requestFocus(_cycleNumberFocusNode);
                                },
                              ),
                              SizedBox(
                                height: 20,
                              ),
                              TextFormField(
                                onChanged: (val) {
                                  setState(
                                    () {
                                      lotNumberCTRL.text =
                                          striizerIdCTRL.text + ' - ' + val;
                                    },
                                  );
                                },
                                validator: (val) {
                                  if (val.isEmpty) {
                                    return 'Cycle number required!';
                                  }
                                  return null;
                                },
                                controller: cycleNumberCTRL,
                                decoration: InputDecoration(
                                  icon: Icon(
                                    FontAwesomeIcons.sortNumericDown,
                                    size: 7 * _deviceBlockSize,
                                  ),
                                  labelStyle: TextStyle(
                                    fontWeight: FontWeight.w100,
                                    fontSize: 4 * _deviceBlockSize,
                                  ),
                                  isDense: true,
                                  labelText: 'Cycle Number',
                                  contentPadding: EdgeInsets.symmetric(
                                      vertical: 2, horizontal: 3),
                                ),
                                style: TextStyle(
                                  fontWeight: FontWeight.w700,
                                  fontSize: 5 * _deviceBlockSize,
                                ),
                                focusNode: _cycleNumberFocusNode,
                                keyboardType: TextInputType.number,
                                textInputAction: TextInputAction.done,
                              ),
                              SizedBox(
                                height: 20,
                              ),
                              TextFormField(
                                readOnly: true,
                                controller: lotNumberCTRL,
                                decoration: InputDecoration(
                                  icon: Icon(
                                    FontAwesomeIcons.sortNumericDown,
                                    size: 7 * _deviceBlockSize,
                                  ),
                                  labelStyle: TextStyle(
                                    fontWeight: FontWeight.w100,
                                    fontSize: 4 * _deviceBlockSize,
                                  ),
                                  isDense: true,
                                  labelText: 'Lot Number',
                                  contentPadding: EdgeInsets.symmetric(
                                    vertical: 2,
                                    horizontal: 3,
                                  ),
                                ),
                                style: TextStyle(
                                  fontWeight: FontWeight.w700,
                                  fontSize: 5 * _deviceBlockSize,
                                ),
                                keyboardType: TextInputType.visiblePassword,
                              ),
                              SizedBox(
                                height: 20,
                              ),
                              LabelAddSelectorBox(
                                deviceBlockSize: _deviceBlockSize,
                                packageCTRL: packageCTRL,
                                packageVals: packageVals,
                                packageValue: packageValue,
                              ),
                              SizedBox(
                                height: 10,
                              ),
                              LabelAddDatePicker(
                                dateCTRL: sDateCTRL,
                                deviceBlockSize: _deviceBlockSize,
                                label: 'Sterile Date',
                              ),
                              SizedBox(
                                height: 20,
                              ),
                              LabelAddDatePicker(
                                dateCTRL: eDateCTRL,
                                deviceBlockSize: _deviceBlockSize,
                                label: 'Expire Date',
                              ),
                              SizedBox(
                                height: 70,
                              ),
                              LabelAddSaveButton(
                                form: _form,
                                lotNumberCTRL: lotNumberCTRL,
                                cycleNumberCTRL: cycleNumberCTRL,
                                sDateCTRL: sDateCTRL,
                                packageValue: packageValue,
                                eDateCTRL: eDateCTRL,
                                striizerIdCTRL: striizerIdCTRL,
                                deviceBlockSize: _deviceBlockSize,
                              ),
                              SizedBox(
                                height: 100,
                              ),
                            ],
                          ),
                        ),
                      )
                : ConnectionErrorBox();
          }),
        ),
      ),
    );
  }
}