mobile-app/lib/presentation/screens/actions/sc_action.dart

import 'package:farm_tpf/data/repository/repository.dart';
import 'package:farm_tpf/presentation/custom_widgets/app_bar_widget.dart';
import 'package:farm_tpf/presentation/custom_widgets/bloc/media_helper_bloc.dart';
import 'package:farm_tpf/presentation/custom_widgets/button_widget.dart';
import 'package:farm_tpf/presentation/custom_widgets/loading_list_page.dart';
import 'package:farm_tpf/presentation/custom_widgets/widget_field_time_picker.dart';
import 'package:farm_tpf/presentation/custom_widgets/widget_loading.dart';
import 'package:farm_tpf/presentation/custom_widgets/widget_media_picker.dart';
import 'package:farm_tpf/presentation/screens/actions/cubit/action_ui_cubit.dart';
import 'package:farm_tpf/utils/pref.dart';
import 'package:farm_tpf/utils/validators.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:get/get.dart';
import 'package:keyboard_dismisser/keyboard_dismisser.dart';

import 'state_management_helper/change_file_controller.dart';

class ActionScreen extends StatefulWidget {
  final int idAction;
  final String title;
  ActionScreen({@required this.idAction, @required this.title});

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

class _ActionScreenState extends State<ActionScreen> {
  final _scaffoldKey = GlobalKey<ScaffoldState>();
  var _formKey = GlobalKey<FormState>();
  var pref = LocalPref();
  final _executeByController = TextEditingController();
  DateTime executeTime = DateTime.now();
  List<String> filePaths = List<String>();
  var changeFileController = Get.put(ChangeFileController());

  Future<Null> getSharedPrefs() async {
    var currentFullName = await pref.getString(DATA_CONST.CURRENT_FULL_NAME);
    _executeByController.text = currentFullName ?? "";
  }

  @override
  void initState() {
    super.initState();
    getSharedPrefs();
  }

  _validateInputs() async {
    if (_formKey.currentState.validate()) {
      _formKey.currentState.save();
      LoadingDialog.showLoadingDialog(context);
      filePaths = Get.find<ChangeFileController>().newFiles;
      //Create request general model
      try {
        //ADD NEW
        //Update
      } catch (e) {
        LoadingDialog.hideLoadingDialog(context);
        print(e.toString());
      }
    } else {
      //
    }
  }

  Widget _btnExecuteTimePicker() {
    return WidgetFieldDateTimePicker(
        initDateTime: executeTime,
        onUpdateDateTime: (selectedDate) {
          //
        });
  }

  Widget _executeByField() {
    return TextFormField(
      keyboardType: TextInputType.text,
      decoration: InputDecoration(labelText: "Người thực hiện"),
      enabled: false,
      controller: _executeByController,
      onSaved: (newValue) {},
    );
  }

  @override
  Widget build(BuildContext context) => KeyboardDismisser(
          gestures: [
            GestureType.onTap,
            GestureType.onPanUpdateDownDirection,
          ],
          child: Scaffold(
              backgroundColor: Colors.white,
              key: _scaffoldKey,
              appBar: AppBarWidget(
                isBack: true,
                action: InkWell(
                  child: Text(
                    'Lưu',
                    style: TextStyle(
                        color: Colors.red, fontWeight: FontWeight.normal),
                  ),
                  onTap: () {},
                ),
              ),
              body: KeyboardDismisser(
                  child: MultiBlocProvider(
                providers: [
                  BlocProvider<ActionUiCubit>(
                      create: (context) =>
                          ActionUiCubit(repository: Repository())
                            ..getActionUIForm(widget.idAction)),
                  BlocProvider<MediaHelperBloc>(
                    create: (context) =>
                        MediaHelperBloc()..add(ChangeListMedia(items: [])),
                  )
                ],
                child: Form(
                    key: _formKey,
                    child: SafeArea(
                      child: SingleChildScrollView(
                        child: BlocBuilder<ActionUiCubit, ActionUiState>(
                          builder: (context, state) {
                            if (state is ActionUiLoading) {
                              print('loading...');
                              return Center(child: CircularProgressIndicator());
                            } else if (state is ActionUiSuccess) {
                              print('success');
                              return Column(
                                children: [
                                  Padding(
                                    padding: const EdgeInsets.all(8.0),
                                    child: Column(
                                      children: <Widget>[
                                        Container(
                                          width: double.infinity,
                                          child: Text(
                                            "Ngày thực hiện *",
                                            style: TextStyle(
                                                color: Colors.black54,
                                                fontSize: 13.0),
                                          ),
                                        ),
                                        _btnExecuteTimePicker(),
                                        SizedBox(
                                          height: 8.0,
                                        ),
                                        _executeByField(),
                                        SizedBox(
                                          height: 8.0,
                                        ),
                                      ],
                                    ),
                                  ),
                                  Container(
                                    width: double.infinity,
                                    height: 16,
                                    color: Colors.grey[200],
                                  ),
                                  BlocBuilder<MediaHelperBloc,
                                          MediaHelperState>(
                                      builder: (context, state) {
                                    if (state is MediaHelperSuccess) {
                                      return WidgetMediaPicker(
                                          currentItems: state.items,
                                          onChangeFiles: (newPathFiles,
                                              deletePathFiles) async {
                                            Get.find<ChangeFileController>()
                                                .change(newPathFiles,
                                                    deletePathFiles);
                                          });
                                    } else {
                                      return Center(
                                          child: CircularProgressIndicator());
                                    }
                                  }),
                                  Padding(
                                    padding: const EdgeInsets.all(8.0),
                                    child: ButtonWidget(
                                        title: 'CẬP NHẬT',
                                        onPressed: () {
                                          FocusScopeNode currentFocus =
                                              FocusScope.of(context);
                                          if (!currentFocus.hasPrimaryFocus) {
                                            currentFocus.unfocus();
                                          }
                                          _validateInputs();
                                        }),
                                  ),
                                ],
                              );
                            } else if (state is ActionUiFailure) {
                              print('error');
                              return Text(state.errorString);
                              // LoadingDialog.hideLoadingDialog(context);
                            }
                          },
                        ),
                      ),
                    )),
              ))));
  @override
  void dispose() {
    _executeByController.dispose();
    super.dispose();
  }
}