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40 changes: 40 additions & 0 deletions
40
notes/flutter_web/lib/routes/notes/cheatsheets/widgets/_examples/Form_DropdownMenu.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| import 'package:flutter/material.dart'; | ||
|
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| main() { | ||
| runApp(const MaterialApp(home: Scaffold(body: Form_DropdownMenu()))); | ||
| } | ||
|
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| // ignore: camel_case_types | ||
| class Form_DropdownMenu extends StatelessWidget { | ||
| const Form_DropdownMenu({super.key}); | ||
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| @override | ||
| Widget build(BuildContext context) { | ||
| return Column( | ||
| children: [ | ||
| Wrap(crossAxisAlignment: WrapCrossAlignment.center, children: [ | ||
| const Text("enableFilter: true "), | ||
| DropdownMenu<TargetPlatform>( | ||
| label: const Text('platform'), | ||
| enableFilter: true, | ||
| onSelected: (value) {}, | ||
| dropdownMenuEntries: TargetPlatform.values.map((e) { | ||
| return DropdownMenuEntry<TargetPlatform>(value: e, label: e.name); | ||
| }).toList(), | ||
| ) | ||
| ]), | ||
| Wrap(crossAxisAlignment: WrapCrossAlignment.center, children: [ | ||
| const Text("enableFilter: false"), | ||
| DropdownMenu<TargetPlatform>( | ||
| label: const Text('platform'), | ||
| enableFilter: false, | ||
| onSelected: (value) {}, | ||
| dropdownMenuEntries: TargetPlatform.values.map((e) { | ||
| return DropdownMenuEntry<TargetPlatform>(value: e, label: e.name); | ||
| }).toList(), | ||
| ), | ||
| ]), | ||
| ], | ||
| ); | ||
| } | ||
| } |
50 changes: 50 additions & 0 deletions
50
notes/flutter_web/lib/routes/notes/cheatsheets/widgets/_examples/Form_Radio.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:you_flutter/state.dart'; | ||
|
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| main() { | ||
| runApp(MaterialApp(home: Scaffold(body: Form_Radio()))); | ||
| } | ||
|
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| // ignore: camel_case_types | ||
| class Form_Radio extends StatelessWidget { | ||
| Form_Radio({super.key}); | ||
|
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| final List<TargetPlatform> targets = List.of([TargetPlatform.linux, TargetPlatform.windows, TargetPlatform.macOS]); | ||
| final Value<TargetPlatform?> radioListTile = (null as TargetPlatform?).signal(); | ||
| final Value<TargetPlatform?> radio = (null as TargetPlatform?).signal(); | ||
|
|
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| @override | ||
| Widget build(BuildContext context) { | ||
| return Watch( | ||
| builder: (context) { | ||
| return Column( | ||
| children: <Widget>[ | ||
| Wrap( | ||
| children: [ | ||
| const Text("RadioListTile:"), | ||
| for (var t in targets) | ||
| RadioListTile<TargetPlatform>( | ||
| title: Text(t.name), | ||
| value: t, | ||
| groupValue: radioListTile.value, | ||
| toggleable: true, | ||
| onChanged: (value) => radioListTile.value = value, | ||
| ), | ||
| const Text("Radio:"), | ||
| for (var t in targets) | ||
| ListTile( | ||
| title: Text(t.name), | ||
| leading: Radio<TargetPlatform>( | ||
| value: t, | ||
| groupValue: radio.value, | ||
| onChanged: (value) => radio.value = value, | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| ], | ||
| ); | ||
| }, | ||
| ); | ||
| } | ||
| } |
37 changes: 37 additions & 0 deletions
37
notes/flutter_web/lib/routes/notes/cheatsheets/widgets/_examples/Form_showTimePicker.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:you_flutter/state.dart'; | ||
|
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| main() { | ||
| runApp(MaterialApp(home: Scaffold(body: Form_showTimePicker()))); | ||
| } | ||
|
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| // ignore: camel_case_types | ||
| class Form_showTimePicker extends StatelessWidget { | ||
| Form_showTimePicker({super.key}); | ||
|
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| final Value<TimeOfDay?> time = (null as TimeOfDay?).signal(); | ||
|
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| @override | ||
| Widget build(BuildContext context) { | ||
| return Watch( | ||
| builder: (context) { | ||
| return Column( | ||
| children: <Widget>[ | ||
| Text("date: ${time.value}"), | ||
| TextButton.icon( | ||
| onPressed: () async { | ||
| TimeOfDay? selected = await showTimePicker( | ||
| context: context, | ||
| initialTime: TimeOfDay.now(), | ||
| ); | ||
| time.value = selected; | ||
| }, | ||
| icon: const Icon(Icons.timer_outlined), | ||
| label: const Text('showTimePicker dialog'), | ||
| ), | ||
| ], | ||
| ); | ||
| }, | ||
| ); | ||
| } | ||
| } |
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