118 lines
3.2 KiB
Dart
118 lines
3.2 KiB
Dart
import 'package:aves/theme/durations.dart';
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import 'package:aves/widgets/common/basic/reselectable_radio_list_tile.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/scheduler.dart';
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import 'aves_dialog.dart';
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Future<void> showSelectionDialog<T>({
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required BuildContext context,
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required WidgetBuilder builder,
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required void Function(T value) onSelection,
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}) async {
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final value = await showDialog<T>(
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context: context,
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builder: builder,
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);
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// wait for the dialog to hide as applying the change may block the UI
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await Future.delayed(Durations.dialogTransitionAnimation * timeDilation);
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if (value != null) {
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onSelection(value);
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}
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}
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typedef TextBuilder<T> = String Function(T value);
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class AvesSelectionDialog<T> extends StatefulWidget {
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final T initialValue;
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final Map<T, String> options;
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final TextBuilder<T>? optionSubtitleBuilder;
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final String? title, message, confirmationButtonLabel;
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final bool? dense;
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const AvesSelectionDialog({
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super.key,
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required this.initialValue,
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required this.options,
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this.optionSubtitleBuilder,
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this.title,
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this.message,
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this.confirmationButtonLabel,
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this.dense,
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});
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@override
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State<AvesSelectionDialog<T>> createState() => _AvesSelectionDialogState<T>();
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}
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class _AvesSelectionDialogState<T> extends State<AvesSelectionDialog<T>> {
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late T _selectedValue;
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@override
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void initState() {
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super.initState();
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_selectedValue = widget.initialValue;
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}
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@override
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Widget build(BuildContext context) {
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final message = widget.message;
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final confirmationButtonLabel = widget.confirmationButtonLabel;
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final needConfirmation = confirmationButtonLabel != null;
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return AvesDialog(
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title: widget.title,
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scrollableContent: [
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if (message != null)
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Padding(
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padding: const EdgeInsets.all(16),
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child: Text(message),
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),
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...widget.options.entries.map((kv) => _buildRadioListTile(kv.key, kv.value, needConfirmation)),
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],
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: Text(MaterialLocalizations.of(context).cancelButtonLabel),
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),
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if (needConfirmation)
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TextButton(
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onPressed: () => Navigator.pop(context, _selectedValue),
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child: Text(confirmationButtonLabel),
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),
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],
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);
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}
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Widget _buildRadioListTile(T value, String title, bool needConfirmation) {
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final subtitle = widget.optionSubtitleBuilder?.call(value);
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return ReselectableRadioListTile<T>(
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// key is expected by test driver
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key: Key(value.toString()),
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value: value,
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groupValue: _selectedValue,
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onChanged: (v) {
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if (needConfirmation) {
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setState(() => _selectedValue = v as T);
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} else {
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Navigator.pop(context, v);
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}
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},
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reselectable: true,
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title: Text(
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title,
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softWrap: false,
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overflow: TextOverflow.fade,
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maxLines: 1,
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),
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subtitle: subtitle != null
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? Text(
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subtitle,
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softWrap: false,
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overflow: TextOverflow.fade,
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maxLines: 1,
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)
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: null,
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dense: widget.dense,
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);
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}
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}
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