diplomatic-quarter/lib/widgets/dialogs/radio_selection_dialog.dart

import 'package:diplomaticquarterapp/uitl/translations_delegate_base.dart';
import 'package:diplomaticquarterapp/widgets/buttons/defaultButton.dart';
import 'package:flutter/material.dart';

class RadioSelectionDialogModel {
  String title;
  int value;

  RadioSelectionDialogModel(this.title, this.value);
}

class RadioSelectionDialog extends StatefulWidget {
  final Function(int)? onValueSelected;
  final List<RadioSelectionDialogModel>? listData;
  final int? selectedIndex;
  final bool? isScrollable;
  final bool? isShowSearch;

  const RadioSelectionDialog({Key? key, this.onValueSelected, this.listData, this.selectedIndex, this.isScrollable = false, this.isShowSearch = false}) : super(key: key);

  @override
  State createState() => new RadioSelectionDialogState();
}

class RadioSelectionDialogState extends State<RadioSelectionDialog> {
  late int selectedIndex;

  List<RadioSelectionDialogModel> tempListData = [];
  TextEditingController controller = new TextEditingController();

  @override
  void initState() {
    selectedIndex = widget.selectedIndex ?? 0;
    super.initState();
    addAllData();
  }

  addAllData() {
    tempListData.clear();
    for (int i = 0; i < widget.listData!.length; i++) {
      tempListData.add(widget.listData![i]);
    }
    setState(() {});
  }

  Widget build(BuildContext context) {
    return Dialog(
      backgroundColor: Colors.white,
      shape: RoundedRectangleBorder(),
      insetPadding: EdgeInsets.only(left: 21, right: 21),
      child: Padding(
        padding: EdgeInsets.only(left: 20, right: 20, top: 18, bottom: 28),
        child: SingleChildScrollView(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            mainAxisSize: MainAxisSize.min,
            children: [
              Row(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Expanded(
                    child: Padding(
                      padding: const EdgeInsets.only(top: 16.0),
                      child: Text(
                        TranslationBase.of(context).select,
                        style: TextStyle(fontSize: 24, fontWeight: FontWeight.w600, color: Color(0xff2B353E), height: 35 / 24, letterSpacing: -0.96),
                      ),
                    ),
                  ),
                  IconButton(
                    padding: EdgeInsets.zero,
                    icon: Icon(Icons.close),
                    color: Color(0xff2B353E),
                    constraints: BoxConstraints(),
                    onPressed: () {
                      Navigator.pop(context);
                    },
                  )
                ],
              ),
              SizedBox(height: 21),
              Text(
                TranslationBase.of(context).pleaseSelectFromBelowOptions,
                style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: Color(0xff2B353E), letterSpacing: -0.56),
              ),
              widget.isShowSearch!
                  ? Padding(
                      padding: const EdgeInsets.all(8.0),
                      child: TextField(
                        controller: controller,
                        onChanged: (v) {
                          if (v.length > 0) {
                            tempListData.clear();
                            for (int i = 0; i < widget.listData!.length; i++) {
                              if (widget.listData![i].title.toLowerCase().contains(v.toLowerCase())) {
                                tempListData.add(widget.listData![i]);
                              }
                            }
                          } else {
                            addAllData();
                          }
                          setState(() {});
                        },
                        decoration: InputDecoration(
                          hintStyle: TextStyle(fontSize: 17),
                          hintText: 'Search Insurance',
                          suffixIcon: Icon(Icons.search),
                          border: InputBorder.none,
                          contentPadding: EdgeInsets.all(12),
                        ),
                      ),
                    )
                  : Container(),
              SizedBox(height: widget.isScrollable! ? 12 : 0),
              SizedBox(
                height: widget.isScrollable! ? MediaQuery.of(context).size.height * .4 : null,
                child: ListView.separated(
                    physics: widget.isScrollable! ? BouncingScrollPhysics() : NeverScrollableScrollPhysics(),
                    // shrinkWrap: !widget.isScrollable,
                    shrinkWrap: !widget.isScrollable!,
                    padding: EdgeInsets.only(bottom: widget.isScrollable! ? 21 : 42, top: 10),
                    itemBuilder: (context, index) {
                      return InkWell(
                        onTap: () {
                          setState(() {
                            selectedIndex = tempListData[index].value;
                          });
                        },
                        child: Row(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            SizedBox(
                              width: 22,
                              height: 22,
                              child: Radio(
                                value: tempListData[index].value,
                                groupValue: selectedIndex,
                                onChanged: (value) {
                                  setState(() {
                                    selectedIndex = value!;
                                  });
                                },
                              ),
                            ),
                            SizedBox(width: 8),
                            Expanded(
                              child: Text(
                                tempListData[index].title,
                                //  maxLines: 2,
                                style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: Color(0xff575757), letterSpacing: -0.56),
                              ),
                            ),
                          ],
                        ),
                      );
                    },
                    separatorBuilder: (context, index) => SizedBox(height: 10),
                    itemCount: tempListData.length),
              ),
              SizedBox(height: widget.isScrollable! ? 12 : 0),
              Row(
                mainAxisSize: MainAxisSize.min,
                children: [
                  Expanded(
                    child: DefaultButton(
                      TranslationBase.of(context).save,
                      () {
                        Navigator.pop(context);
                        widget.onValueSelected!(selectedIndex);
                      },
                      color: Color(0xff349745),
                    ),
                  ),
                ],
              ),
            ],
          ),
        ),
      ),
    );
  }
}