49 lines
1.4 KiB
Dart
49 lines
1.4 KiB
Dart
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import 'package:flutter/material.dart';
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class CustomDropdownField<T> extends StatelessWidget {
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final String? hintText;
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final List<DropdownMenuItem<T>> items;
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final T? value;
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final void Function(T?)? onChanged;
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final void Function(T?)? onSaved;
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final String? Function(T?)? validator;
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const CustomDropdownField(
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{super.key, this.hintText,
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required this.items,
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this.value,
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this.onChanged,
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this.onSaved,
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this.validator});
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@override
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Widget build(BuildContext context) {
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return FormField<T>(
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builder: (FormFieldState<T> state) {
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return InputDecorator(
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decoration: InputDecoration(
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enabledBorder: InputBorder.none,
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hintStyle: TextStyle(color: Colors.black.withOpacity(.4)),
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contentPadding: const EdgeInsets.only(left: 10, right: 10, bottom: 6),
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errorText: state.errorText,
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),
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child: DropdownButtonFormField<T>(
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value: value,
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items: items,
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onChanged: (T? newValue) {
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state.didChange(newValue);
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if (onChanged != null) {
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onChanged!(newValue);
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}
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},
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onSaved: onSaved,
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hint: Text(hintText ?? ''),
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style: TextStyle(color: Colors.black.withOpacity(.8)),
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//isExpanded: true,
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validator: validator),
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);
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},
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);
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}
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}
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