42 lines
1.2 KiB
Dart
42 lines
1.2 KiB
Dart
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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class ExpandedNumberInputWidget extends StatelessWidget {
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String _labelDisplayText = "";
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String _hintText = "";
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void Function(double) _setValue = (x) => {};
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ExpandedNumberInputWidget(String labelDisplayText, String hintText, void Function(double) setValue, {super.key}) {
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_labelDisplayText = labelDisplayText;
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_hintText = hintText;
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_setValue = setValue;
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}
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@override
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Widget build(BuildContext context) {
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return Expanded(
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child: TextFormField(
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keyboardType: TextInputType.number,
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inputFormatters: [FilteringTextInputFormatter.allow(RegExp('[0-9.]'))],
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onChanged: (value) {
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double? number = double.tryParse(value);
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if (number == null){
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Bitte eine gültige Zahl eingeben')),
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);
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}else{
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ScaffoldMessenger.of(context).hideCurrentSnackBar();
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_setValue(number);
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}
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},
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decoration: InputDecoration(
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labelText: _labelDisplayText,
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hintText: _hintText,
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),
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)
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);
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}
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}
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