cssd/lib/pages/PackagePages/package_add_screen.dart

import 'package:cssd/config/colors.dart';
import 'package:cssd/models/package_model.dart';
import 'package:cssd/providers/packages.dart';
import 'package:cssd/widgets/PackageScreens/Add/add_item_box.dart';
import 'package:cssd/widgets/PackageScreens/Add/package_save_button.dart';
import 'package:flutter/material.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart';
import 'package:intl/intl.dart';
import 'package:provider/provider.dart';

import '../../config/routes.dart';
import '../../providers/connectivity.dart';
import '../../widgets/Global/internet_error.dart';

class PackageAddScreen extends StatefulWidget {
  @override
  _PackageAddScreenState createState() => _PackageAddScreenState();
}

class _PackageAddScreenState extends State<PackageAddScreen> {
  final _packageUdiFocusNode = FocusNode();
  final _descriptionFocusNode = FocusNode();
  TextEditingController descriptionCTRL = new TextEditingController();
  // TextEditingController udiCTRL = new TextEditingController();
  TextEditingController nameCTRL = new TextEditingController();
  TextEditingController dateCTRL = new TextEditingController();

  final _form = GlobalKey<FormState>();
  bool isInit = true;
  PackageFilterObject? filters;

  int curLabelVal = 1;
  @override
  void initState() {
    descriptionCTRL.text = '';
    // udiCTRL.text = '';
    nameCTRL.text = '';
    dateCTRL.text = DateFormat('y-M-d').format(DateTime.now());
    super.initState();
  }

  @override
  void didChangeDependencies() async {
    if (isInit) {
      var packageProviderObject = Provider.of<PackageProvider>(context);
      packageProviderObject.resetItemVals();
      packageProviderObject.getItemFilters().then(
        (result) {
          setState(
            () {
              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.packageResultScreen,
        );
        return true;
      },
      child: SafeArea(
        child: GestureDetector(
          onTap: () {
            FocusManager.instance.primaryFocus?.unfocus();
          },
          child: Scaffold(
            appBar: AppBar(
              titleSpacing: -10,
              title: Text('Packages', style: TextStyle(color: Colors.white,),),
              backgroundColor: Colors.black,
              leading: IconButton(
                icon: Icon(
                  Icons.keyboard_arrow_left,
                  color: Colors.white,
                  size: 35,
                ),
                onPressed: () => Navigator.of(context)
                    .pushReplacementNamed(Routes.packageResultScreen),
              ),
            ),
            body: Consumer<ConnectivityProvider>(
              builder: (ct, connection, _) {
                return connection.conStatus != 'offline'
                    ? isInit
                        ? Center(
                            child: CircularProgressIndicator(
                              color: Colors.black,
                            ),
                          )
                        : Form(
                            key: _form,
                            child: Padding(
                              padding: EdgeInsets.all(20),
                              child: ListView(
                                children: <Widget>[
                                  Text(
                                    'Add a Package',
                                    style: TextStyle(
                                      fontWeight: FontWeight.w700,
                                      fontSize: 6 * _deviceBlockSize,
                                      letterSpacing: 3,
                                    ),
                                  ),
                                  SizedBox(
                                    height: 20,
                                  ),
                                  TextFormField(
                                    validator: (val) {
                                      if (val!.isEmpty) {
                                        return 'Name required!';
                                      }
                                      return null;
                                    },
                                    controller: nameCTRL,
                                    decoration: InputDecoration(
                                      icon: Icon(
                                        FontAwesomeIcons.alignLeft,
                                        size: 7 * _deviceBlockSize,
                                      ),
                                      labelStyle: TextStyle(
                                        fontWeight: FontWeight.w100,
                                        fontSize: 4 * _deviceBlockSize,
                                      ),
                                      isDense: true,
                                      labelText: 'Package Name',
                                      contentPadding: EdgeInsets.symmetric(
                                        vertical: 2,
                                        horizontal: 3,
                                      ),
                                    ),
                                    style: TextStyle(
                                      fontWeight: FontWeight.w700,
                                      fontSize: 5 * _deviceBlockSize,
                                    ),
                                    keyboardType: TextInputType.text,
                                    textInputAction: TextInputAction.next,
                                    onFieldSubmitted: (_) {
                                      FocusScope.of(context)
                                          .requestFocus(_packageUdiFocusNode);
                                    },
                                  ),
                                  SizedBox(
                                    height: 30,
                                  ),
                                  // TextFormField(
                                  //   validator: (val) {
                                  //     if (val!.isEmpty) {
                                  //       return 'UDI required!';
                                  //     }
                                  //     return null;
                                  //   },
                                  //   controller: udiCTRL,
                                  //   decoration: InputDecoration(
                                  //     icon: Icon(
                                  //       FontAwesomeIcons.alignLeft,
                                  //       size: 7 * _deviceBlockSize,
                                  //     ),
                                  //     labelStyle: TextStyle(
                                  //       fontWeight: FontWeight.w100,
                                  //       fontSize: 4 * _deviceBlockSize,
                                  //     ),
                                  //     isDense: true,
                                  //     labelText: 'UDI',
                                  //     contentPadding: EdgeInsets.symmetric(
                                  //         vertical: 2, horizontal: 3),
                                  //   ),
                                  //   style: TextStyle(
                                  //     fontWeight: FontWeight.w700,
                                  //     fontSize: 5 * _deviceBlockSize,
                                  //   ),
                                  //   focusNode: _packageUdiFocusNode,
                                  //   keyboardType: TextInputType.visiblePassword,
                                  //   textInputAction: TextInputAction.next,
                                  //   onFieldSubmitted: (_) {
                                  //     FocusScope.of(context)
                                  //         .requestFocus(_descriptionFocusNode);
                                  //   },
                                  // ),
                                  // SizedBox(
                                  //   height: 20,
                                  // ),
                                  Container(
                                    margin: EdgeInsets.symmetric(vertical: 5),
                                    child: Text(
                                      'Items included',
                                      style: TextStyle(
                                        color: kPurple,
                                        letterSpacing: 2,
                                        fontSize: 5 * _deviceBlockSize,
                                      ),
                                    ),
                                  ),
                                  Consumer<PackageProvider>(
                                    builder: (ctx, packageProvider, _) =>
                                        ListView.builder(
                                      physics: NeverScrollableScrollPhysics(),
                                      shrinkWrap: true,
                                      itemBuilder: (ctx, index) => AddItemBox(
                                        text: 'Select Items Included',
                                        iconColor: kPurpleSub,
                                        deviceBlockSize: _deviceBlockSize,
                                        values:
                                            packageProvider.itemValues[index],
                                        vals: packageProvider.itemVals,
                                        initialItemValue:
                                            packageProvider.initialItemValue,
                                        index: index,
                                        filteredItems:
                                            packageProvider.filteredItems!,
                                        hasRemoveButton:
                                            packageProvider.itemValues.length >
                                                    1
                                                ? true
                                                : false,
                                      ),
                                      itemCount:
                                          packageProvider.itemValues.length,
                                    ),
                                  ),
                                  SizedBox(
                                    height: 30,
                                  ),
                                  TextFormField(
                                    controller: descriptionCTRL,
                                    decoration: InputDecoration(
                                      icon: Icon(
                                        FontAwesomeIcons.alignLeft,
                                        size: 7 * _deviceBlockSize,
                                      ),
                                      labelStyle: TextStyle(
                                        fontWeight: FontWeight.w100,
                                        fontSize: 4 * _deviceBlockSize,
                                      ),
                                      isDense: true,
                                      labelText: 'Description',
                                      contentPadding: EdgeInsets.symmetric(
                                          vertical: 2, horizontal: 3),
                                    ),
                                    style: TextStyle(
                                      fontWeight: FontWeight.w700,
                                      fontSize: 5 * _deviceBlockSize,
                                    ),
                                    keyboardType: TextInputType.multiline,
                                    focusNode: _descriptionFocusNode,
                                    minLines: 1,
                                    maxLines: 5,
                                  ),
                                  SizedBox(
                                    height: 70,
                                  ),
                                  PackageAddSaveButton(
                                    form: _form,
                                    itemValues: Provider.of<PackageProvider>(
                                      context,
                                      listen: false,
                                    ).itemValues,
                                    nameCTRL: nameCTRL,
                                    // udiCTRL: udiCTRL,
                                    dateValue: dateCTRL.text,
                                    descriptionCTRL: descriptionCTRL,
                                    deviceBlockSize: _deviceBlockSize,
                                  ),
                                  SizedBox(
                                    height: 100,
                                  ),
                                ],
                              ),
                            ),
                          )
                    : ConnectionErrorBox();
              },
            ),
          ),
        ),
      ),
    );
  }
}