import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';

class IntParam extends StatelessWidget {
  final String title;
  final int? initial;
  final Function(int? v) onChanged;

  IntParam(this.title, this.initial, this.onChanged);

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.all(8.0),
      child: Row(
        children: [
          Text(title),
          SizedBox(
            width: 2,
          ),
          Expanded(
            child: TextField(
              controller:
                  TextEditingController(text: initial?.toString() ?? ''),
              onChanged: (v) => onChanged(int.tryParse(v)),
            ),
          ),
        ],
      ),
    );
  }
}