import 'package:flutter/material.dart';

void main() {
  runApp(MaterialApp(home: MyPaginatedTable()));
}

class MyPaginatedTable extends StatelessWidget {
  final List<Map<String, dynamic>> _data = List.generate(
    50,
    (index) => {"id": index + 1, "name": "Item ${index + 1}"},
  );

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text("Pagination Test")),
      body: PaginatedDataTable(
        header: Text('Test Table'),
        rowsPerPage: 10,
        // arrowHeadColor: Colors.black, // Setzt die aktive Pfeilfarbe
        columns: [
          DataColumn(label: Text('ID')),
          DataColumn(label: Text('Name')),
        ],
        source: _MyDataSource(_data),
      ),
    );
  }
}

class _MyDataSource extends DataTableSource {
  final List<Map<String, dynamic>> _data;

  _MyDataSource(this._data);

  @override
  DataRow getRow(int index) {
    final item = _data[index];
    return DataRow.byIndex(
      index: index,
      cells: [
        DataCell(Text(item['id'].toString())),
        DataCell(Text(item['name'])),
      ],
    );
  }

  @override
  int get rowCount => _data.length;

  @override
  bool get isRowCountApproximate => false;

  @override
  int get selectedRowCount => 0;
}