import 'package:flutter/material.dart';

class ExpandableListItem {
  ExpandableListItem({
    required this.body,
    required this.header,
    this.isExpanded = false,
  });

  Widget body;
  Widget header;
  bool isExpanded;
}

class ExpandableList extends StatefulWidget {
  final List<ExpandableListItem> entries;

  const ExpandableList(this.entries, {super.key});

  @override
  State<ExpandableList> createState() => _ExpandableListState();
}

class _ExpandableListState extends State<ExpandableList> {
  @override
  Widget build(BuildContext context) {
    return SingleChildScrollView(
      child: Container(
        child: _buildPanel(),
      ),
    );
  }

  Widget _buildPanel() {
    return ExpansionPanelList(
      expansionCallback: (int index, bool isExpanded) {
        setState(() {
          widget.entries[index].isExpanded = isExpanded;
        });
      },
      children: widget.entries.map<ExpansionPanel>((ExpandableListItem item) {
        return ExpansionPanel(
          headerBuilder: (BuildContext context, bool isExpanded) {
            return ListTile(
              title: item.header,
              onTap: () {
                setState(() {
                  widget.entries.firstWhere((x) => x == item).isExpanded =
                      !isExpanded;
                });
              },
            );
          },
          body: item.body,
          isExpanded: item.isExpanded,
        );
      }).toList(),
    );
  }
}