99 lines
3.2 KiB
Dart
99 lines
3.2 KiB
Dart
import 'package:aves/widgets/dialogs/aves_dialog.dart';
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import 'package:aves/widgets/dialogs/selection_dialogs/common.dart';
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import 'package:aves/widgets/dialogs/selection_dialogs/radio_list_tile.dart';
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import 'package:flutter/material.dart';
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// do not use as `T` a record containing a collection
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// because radio value comparison will fail without deep equality
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class AvesSingleSelectionDialog<T> extends StatefulWidget {
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static const routeName = '/dialog/selection';
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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 AvesSingleSelectionDialog({
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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<AvesSingleSelectionDialog<T>> createState() => _AvesSingleSelectionDialogState<T>();
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}
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class _AvesSingleSelectionDialogState<T> extends State<AvesSingleSelectionDialog<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 title = widget.title;
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final message = widget.message;
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final verticalPadding = (title == null && message == null) ? AvesDialog.cornerRadius.y / 2 : .0;
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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: title,
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scrollableContent: [
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RadioGroup<T>(
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groupValue: _selectedValue,
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onChanged: (v) {
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// always update the group value even when popping afterwards,
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// so that the group value can be used in pop handlers
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// as well as the regular return value from navigation
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_selectedValue = v as T;
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if (!needConfirmation) {
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// validate without confirmation
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Navigator.maybeOf(context)?.pop(v);
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} else {
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setState(() {});
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}
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},
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (verticalPadding != 0) SizedBox(height: verticalPadding),
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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) {
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final radioValue = kv.key;
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final radioTitle = kv.value;
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return SelectionRadioListTile(
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value: radioValue,
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title: radioTitle,
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optionSubtitleBuilder: widget.optionSubtitleBuilder,
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dense: widget.dense,
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);
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}),
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if (verticalPadding != 0) SizedBox(height: verticalPadding),
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],
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),
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),
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],
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actions: [
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const CancelButton(),
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if (needConfirmation)
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TextButton(
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onPressed: () => Navigator.maybeOf(context)?.pop(_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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}
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