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PartyDonut
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264
lib/screens/shared/chips/category_chip.dart
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264
lib/screens/shared/chips/category_chip.dart
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import 'package:collection/collection.dart';
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import 'package:ficonsax/ficonsax.dart';
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import 'package:fladder/util/adaptive_layout.dart';
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import 'package:fladder/util/list_padding.dart';
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import 'package:fladder/util/localization_helper.dart';
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import 'package:fladder/util/map_bool_helper.dart';
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import 'package:fladder/widgets/shared/modal_bottom_sheet.dart';
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import 'package:fladder/widgets/shared/modal_side_sheet.dart';
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import 'package:flutter/material.dart';
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class CategoryChip<T> extends StatelessWidget {
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final Map<T, bool> items;
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final Widget label;
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final Widget? dialogueTitle;
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final Widget Function(T item) labelBuilder;
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final IconData? activeIcon;
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final Function(Map<T, bool> value)? onSave;
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final VoidCallback? onCancel;
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final VoidCallback? onClear;
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final VoidCallback? onDismiss;
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const CategoryChip({
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required this.label,
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this.dialogueTitle,
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this.activeIcon,
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required this.items,
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required this.labelBuilder,
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this.onSave,
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this.onCancel,
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this.onClear,
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this.onDismiss,
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super.key,
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});
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@override
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Widget build(BuildContext context) {
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var selection = items.included.isNotEmpty;
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return FilterChip(
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selected: selection,
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showCheckmark: activeIcon == null,
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label: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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if (activeIcon != null)
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AnimatedSize(
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duration: const Duration(milliseconds: 250),
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child: selection
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? Padding(
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padding: const EdgeInsets.only(right: 12),
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child: Icon(
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activeIcon!,
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size: 20,
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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)
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: const SizedBox(),
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),
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label,
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const SizedBox(width: 8),
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Icon(
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Icons.arrow_drop_down_rounded,
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size: 20,
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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],
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),
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onSelected: items.isNotEmpty
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? (_) async {
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final newEntry = await openActionSheet(context);
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if (newEntry != null) {
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onSave?.call(newEntry);
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}
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}
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: null,
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);
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}
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Future<Map<T, bool>?> openActionSheet(BuildContext context) async {
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Map<T, bool>? newEntry;
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List<Widget> actions() => [
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FilledButton.tonal(
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onPressed: () {
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Navigator.of(context).pop();
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newEntry = null;
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onCancel?.call();
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},
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child: Text(context.localized.cancel),
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),
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if (onClear != null)
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ElevatedButton.icon(
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onPressed: () {
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Navigator.of(context).pop();
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newEntry = null;
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onClear!();
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},
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icon: const Icon(IconsaxOutline.back_square),
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label: Text(context.localized.clear),
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)
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].addInBetween(const SizedBox(width: 6));
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Widget header() => Row(
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children: [
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Material(
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color: Colors.transparent,
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textStyle: Theme.of(context).textTheme.titleLarge,
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child: dialogueTitle ?? label,
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),
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const Spacer(),
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FilledButton.tonal(
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onPressed: () {
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Navigator.of(context).pop();
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newEntry = null;
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onCancel?.call();
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},
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child: Text(context.localized.cancel),
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),
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if (onClear != null)
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ElevatedButton.icon(
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onPressed: () {
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Navigator.of(context).pop();
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newEntry = null;
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onClear!();
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},
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icon: const Icon(IconsaxOutline.back_square),
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label: Text(context.localized.clear),
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)
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].addInBetween(const SizedBox(width: 6)),
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);
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if (AdaptiveLayout.of(context).layout != LayoutState.phone) {
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await showModalSideSheet(
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context,
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addDivider: true,
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header: dialogueTitle ?? label,
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actions: actions(),
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content: CategoryChipEditor(
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labelBuilder: labelBuilder,
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items: items,
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onChanged: (value) {
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newEntry = value;
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}),
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onDismiss: () {
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if (newEntry != null) {
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onSave?.call(newEntry!);
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}
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},
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);
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} else {
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await showBottomSheetPill(
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context: context,
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content: (context, scrollController) => ListView(
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shrinkWrap: true,
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controller: scrollController,
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children: [
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: header(),
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),
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const Divider(),
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CategoryChipEditor(
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labelBuilder: labelBuilder,
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controller: scrollController,
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items: items,
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onChanged: (value) => newEntry = value),
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],
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),
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onDismiss: () {
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if (newEntry != null) {
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onSave?.call(newEntry!);
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}
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},
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);
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}
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return newEntry;
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}
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}
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class CategoryChipEditor<T> extends StatefulWidget {
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final Map<T, bool> items;
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final Widget Function(T item) labelBuilder;
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final Function(Map<T, bool> value) onChanged;
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final ScrollController? controller;
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const CategoryChipEditor({
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required this.items,
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required this.labelBuilder,
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required this.onChanged,
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this.controller,
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super.key,
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});
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@override
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State<CategoryChipEditor<T>> createState() => _CategoryChipEditorState<T>();
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}
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class _CategoryChipEditorState<T> extends State<CategoryChipEditor<T>> {
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late Map<T, bool?> currentState = Map.fromEntries(widget.items.entries);
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@override
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Widget build(BuildContext context) {
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Iterable<MapEntry<T, bool>> activeItems = widget.items.entries.where((element) => element.value);
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Iterable<MapEntry<T, bool>> otherItems = widget.items.entries.where((element) => !element.value);
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return ListView(
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shrinkWrap: true,
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controller: widget.controller,
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children: [
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if (activeItems.isNotEmpty == true) ...{
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: Text(
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context.localized.active,
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style: Theme.of(context).textTheme.titleLarge,
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),
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),
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...activeItems.mapIndexed((index, element) {
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return CheckboxListTile.adaptive(
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value: currentState[element.key],
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title: widget.labelBuilder(element.key),
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fillColor: WidgetStateProperty.resolveWith(
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(states) {
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if (currentState[element.key] == null) {
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return Colors.redAccent;
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}
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return null;
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},
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),
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tristate: true,
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onChanged: (value) => updateKey(MapEntry(element.key, value == null ? null : element.value)),
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);
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}),
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Divider(),
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},
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...otherItems.mapIndexed((index, element) {
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return CheckboxListTile.adaptive(
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value: currentState[element.key],
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title: widget.labelBuilder(element.key),
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fillColor: WidgetStateProperty.resolveWith(
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(states) {
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if (currentState[element.key] == null || states.contains(WidgetState.selected)) {
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return Colors.greenAccent;
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}
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return null;
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},
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),
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tristate: true,
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onChanged: (value) => updateKey(MapEntry(element.key, value != false ? null : element.value)),
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);
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}),
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],
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);
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}
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void updateKey(MapEntry<T, bool?> entry) {
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setState(() {
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currentState.update(
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entry.key,
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(value) => entry.value,
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);
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});
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widget.onChanged(Map.from(currentState.map(
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(key, value) {
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final origKey = widget.items[key] == true;
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return MapEntry(key, origKey ? (value == null ? false : origKey) : (value == null ? true : origKey));
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},
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)));
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}
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}
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