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271 changes: 271 additions & 0 deletions
271
lib/components/library/playlist_generate/multi_select_field.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,271 @@ | ||
| import 'package:collection/collection.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_hooks/flutter_hooks.dart'; | ||
| import 'package:fuzzywuzzy/fuzzywuzzy.dart'; | ||
| import 'package:spotube/collections/spotube_icons.dart'; | ||
| import 'package:spotube/extensions/constrains.dart'; | ||
| import 'package:spotube/extensions/context.dart'; | ||
|
|
||
| class MultiSelectField<T> extends HookWidget { | ||
| final List<T> options; | ||
| final List<T> selectedOptions; | ||
|
|
||
| final Widget Function(T option, VoidCallback onSelect)? optionBuilder; | ||
| final Widget Function(T option)? selectedOptionBuilder; | ||
| final ValueChanged<List<T>> onSelected; | ||
|
|
||
| final Widget? dialogTitle; | ||
|
|
||
| final Object Function(T option) getValueForOption; | ||
|
|
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| final Widget label; | ||
|
|
||
| final String? helperText; | ||
|
|
||
| final bool enabled; | ||
|
|
||
| const MultiSelectField({ | ||
| Key? key, | ||
| required this.options, | ||
| required this.selectedOptions, | ||
| required this.getValueForOption, | ||
| required this.label, | ||
| this.optionBuilder, | ||
| this.selectedOptionBuilder, | ||
| required this.onSelected, | ||
| this.dialogTitle, | ||
| this.helperText, | ||
| this.enabled = true, | ||
| }) : super(key: key); | ||
|
|
||
| Widget defaultSelectedOptionBuilder(T option) { | ||
| return Chip( | ||
| label: Text(option.toString()), | ||
| onDeleted: () { | ||
| onSelected( | ||
| selectedOptions.where((e) => e != getValueForOption(option)).toList(), | ||
| ); | ||
| }, | ||
| ); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| final theme = Theme.of(context); | ||
|
|
||
| return Column( | ||
| crossAxisAlignment: CrossAxisAlignment.stretch, | ||
| children: [ | ||
| MaterialButton( | ||
| elevation: 0, | ||
| focusElevation: 0, | ||
| hoverElevation: 0, | ||
| disabledElevation: 0, | ||
| highlightElevation: 0, | ||
| padding: const EdgeInsets.symmetric(vertical: 22), | ||
| shape: RoundedRectangleBorder( | ||
| borderRadius: BorderRadius.circular(15), | ||
| side: BorderSide( | ||
| color: enabled | ||
| ? theme.colorScheme.onSurface | ||
| : theme.colorScheme.onSurface.withOpacity(0.1), | ||
| ), | ||
| ), | ||
| mouseCursor: MaterialStateMouseCursor.textable, | ||
| onPressed: !enabled | ||
| ? null | ||
| : () async { | ||
| final selected = await showDialog<List<T>>( | ||
| context: context, | ||
| builder: (context) { | ||
| return _MultiSelectDialog<T>( | ||
| dialogTitle: dialogTitle, | ||
| options: options, | ||
| getValueForOption: getValueForOption, | ||
| optionBuilder: optionBuilder, | ||
| initialSelection: selectedOptions, | ||
| helperText: helperText, | ||
| ); | ||
| }, | ||
| ); | ||
| if (selected != null) { | ||
| onSelected(selected); | ||
| } | ||
| }, | ||
| child: Container( | ||
| alignment: Alignment.centerLeft, | ||
| margin: const EdgeInsets.symmetric(horizontal: 10), | ||
| child: DefaultTextStyle( | ||
| style: theme.textTheme.titleMedium!, | ||
| child: label, | ||
| ), | ||
| ), | ||
| ), | ||
| if (helperText != null) | ||
| Padding( | ||
| padding: const EdgeInsets.all(8.0), | ||
| child: Text( | ||
| helperText!, | ||
| style: Theme.of(context).textTheme.bodySmall, | ||
| ), | ||
| ), | ||
| Wrap( | ||
| children: [ | ||
| ...selectedOptions.map( | ||
| (option) => Padding( | ||
| padding: const EdgeInsets.all(4.0), | ||
| child: (selectedOptionBuilder ?? | ||
| defaultSelectedOptionBuilder)(option), | ||
| ), | ||
| ), | ||
| ], | ||
| ) | ||
| ], | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| class _MultiSelectDialog<T> extends HookWidget { | ||
| final Widget? dialogTitle; | ||
| final List<T> options; | ||
| final Widget Function(T option, VoidCallback onSelect)? optionBuilder; | ||
| final Object Function(T option) getValueForOption; | ||
| final List<T> initialSelection; | ||
| final String? helperText; | ||
|
|
||
| const _MultiSelectDialog({ | ||
| Key? key, | ||
| required this.dialogTitle, | ||
| required this.options, | ||
| required this.getValueForOption, | ||
| this.optionBuilder, | ||
| this.initialSelection = const [], | ||
| this.helperText, | ||
| }) : super(key: key); | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| final mediaQuery = MediaQuery.of(context); | ||
| final selected = useState(initialSelection.map(getValueForOption)); | ||
|
|
||
| final searchController = useTextEditingController(); | ||
|
|
||
| // creates render update | ||
| useValueListenable(searchController); | ||
|
|
||
| final filteredOptions = useMemoized( | ||
| () { | ||
| if (searchController.text.isEmpty) { | ||
| return options; | ||
| } | ||
|
|
||
| return options | ||
| .map((e) => ( | ||
| weightedRatio( | ||
| getValueForOption(e).toString(), searchController.text), | ||
| e | ||
| )) | ||
| .sorted((a, b) => b.$1.compareTo(a.$1)) | ||
| .where((e) => e.$1 > 50) | ||
| .map((e) => e.$2) | ||
| .toList(); | ||
| }, | ||
| [searchController.text, options, getValueForOption], | ||
| ); | ||
|
|
||
| Widget defaultOptionBuilder(T option, VoidCallback onSelect) { | ||
| final isSelected = selected.value.contains(getValueForOption(option)); | ||
| return ChoiceChip( | ||
| label: Text("${!isSelected ? " " : ""}${option.toString()}"), | ||
| selected: isSelected, | ||
| side: BorderSide.none, | ||
| onSelected: (_) { | ||
| onSelect(); | ||
| }, | ||
| ); | ||
| } | ||
|
|
||
| return AlertDialog( | ||
| scrollable: true, | ||
| title: dialogTitle ?? const Text('Select'), | ||
| contentPadding: mediaQuery.isSm ? const EdgeInsets.all(16) : null, | ||
| insetPadding: const EdgeInsets.all(16), | ||
| actions: [ | ||
| OutlinedButton( | ||
| onPressed: () { | ||
| Navigator.pop(context); | ||
| }, | ||
| child: Text(context.l10n.cancel), | ||
| ), | ||
| ElevatedButton( | ||
| onPressed: () { | ||
| Navigator.pop( | ||
| context, | ||
| options | ||
| .where( | ||
| (option) => | ||
| selected.value.contains(getValueForOption(option)), | ||
| ) | ||
| .toList(), | ||
| ); | ||
| }, | ||
| child: Text(context.l10n.done), | ||
| ), | ||
| ], | ||
| content: SizedBox( | ||
| height: mediaQuery.size.height * 0.5, | ||
| width: 400, | ||
| child: Column( | ||
| mainAxisSize: MainAxisSize.min, | ||
| crossAxisAlignment: CrossAxisAlignment.stretch, | ||
| children: [ | ||
| TextField( | ||
| controller: searchController, | ||
| decoration: InputDecoration( | ||
| hintText: context.l10n.search, | ||
| prefixIcon: const Icon(SpotubeIcons.search), | ||
| border: OutlineInputBorder( | ||
| borderRadius: BorderRadius.circular(15), | ||
| ), | ||
| ), | ||
| ), | ||
| const SizedBox(height: 10), | ||
| Expanded( | ||
| child: SingleChildScrollView( | ||
| child: Wrap( | ||
| spacing: 5, | ||
| runSpacing: 5, | ||
| children: [ | ||
| ...filteredOptions.map( | ||
| (option) => Padding( | ||
| padding: const EdgeInsets.all(4.0), | ||
| child: (optionBuilder ?? defaultOptionBuilder)( | ||
| option, | ||
| () { | ||
| final value = getValueForOption(option); | ||
| if (selected.value.contains(value)) { | ||
| selected.value = selected.value | ||
| .where((e) => e != value) | ||
| .toList(); | ||
| } else { | ||
| selected.value = [...selected.value, value]; | ||
| } | ||
| }, | ||
| ), | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ), | ||
| if (helperText != null) | ||
| Text( | ||
| helperText!, | ||
| style: Theme.of(context).textTheme.labelMedium, | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
| } |
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