manager-app/lib/Components/category_input_container.dart

import 'package:auto_size_text/auto_size_text.dart';
import 'package:collection/collection.dart';
import 'package:flutter/material.dart';
import 'package:flutter_widget_from_html/flutter_widget_from_html.dart';
import 'package:manager_api_new/api.dart';
import 'package:manager_app/Components/rounded_button.dart';
import 'package:manager_app/Screens/Configurations/Section/SubSection/Map/category_list.dart';
import 'package:manager_app/app_context.dart';
import 'package:manager_app/constants.dart';

class CategoryInputContainer extends StatefulWidget {
  final Color color;
  final String label;
  final List<CategorieDTO> initialValue;
  final ValueChanged<List<CategorieDTO>> onChanged;
  const CategoryInputContainer({
    Key? key,
    this.color = kSecond,
    required this.label,
    required this.initialValue,
    required this.onChanged,
  }) : super(key: key);

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

class _CategoryInputContainerState extends State<CategoryInputContainer> {

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

  @override
  Widget build(BuildContext context) {
    Size size = MediaQuery.of(context).size;

    return Container(
      child: Row(
        children: [
          Align(
              alignment: AlignmentDirectional.centerStart,
              child: Text(widget.label, style: TextStyle(fontSize: 25, fontWeight: FontWeight.w300))
          ),
          Padding(
            padding: const EdgeInsets.all(8.0),
            child: Container(
              width: size.width *0.15,
              child: InkWell(
                onTap: () {
                  List<CategorieDTO> newValues = <CategorieDTO>[];
                  List<CategorieDTO> initials = widget.initialValue;
                  showCreateOrUpdateCategories("Catégories", initials, newValues, (value) {
                    widget.onChanged(value);
                  }, context);
                },
                child: Container(
                    decoration: BoxDecoration(
                      color: kPrimaryColor,
                      borderRadius: BorderRadius.circular(50),
                    ),
                    child: Padding(
                      padding: const EdgeInsets.only(left: 5, right: 5, top: 15, bottom: 15),
                      child: Center(
                          child: AutoSizeText(
                            "Changer",
                            style: TextStyle(color: kWhite),
                            maxLines: 2,
                          )
                      ),
                    )
                ),
              ),
            ),
          ),
        ],
      ),
    );
  }
}

showCreateOrUpdateCategories(String modalLabel, List<CategorieDTO> values, List<CategorieDTO> newValues, Function onGetResult, BuildContext context) {
  showDialog(
      builder: (BuildContext context) {
        Size size = MediaQuery.of(context).size;
        return AlertDialog(
          shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.all(Radius.circular(20.0))
          ),
          title: Center(child: Text(modalLabel)),
          content: SingleChildScrollView(
              child: Container(
                decoration: BoxDecoration(
                  borderRadius: BorderRadius.circular(20),
                  border: Border.all(width: 0.75, color: kSecond)
                ),
                height: size.height * 0.7,
                width: size.width * 0.65,
                child: CategoryList(categories: values, onChanged: (result) {
                  newValues = result;
                  onGetResult(result);
                }),
              )
          ),
          actions: <Widget>[
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
              children: [
                Container(
                  width: 180,
                  height: 70,
                  child: RoundedButton(
                    text: "Annuler",
                    icon: Icons.undo,
                    color: kSecond,
                    press: () {
                      onGetResult(values);
                      Navigator.of(context).pop();
                    },
                    fontSize: 20,
                  ),
                ),
                Container(
                  width: 180,
                  height: 70,
                  child: RoundedButton(
                    text: "Valider",
                    icon: Icons.check,
                    color: kPrimaryColor,
                    textColor: kWhite,
                    press: () {
                      /*Function deepEq = const DeepCollectionEquality().equals;
                      if (!deepEq(values, newValues)) {
                        onGetResult(newValues);
                      }*/
                      Navigator.of(context).pop();
                    },
                    fontSize: 20,
                  ),
                ),
              ],
            ),
          ],
        );
      }, context: context
  );
}