mirror of
https://github.com/flutter/flutter
synced 2024-07-16 10:29:14 +00:00
Restorable CupertinoTextFormFieldRow (#144541)
## Description This PR makes `CupertinoTextFormFieldRow` restorable. The implementation is based on https://github.com/flutter/flutter/pull/78835 which made `FormField` and `TextFormField` restorable. ## Related Issue Fixes https://github.com/flutter/flutter/issues/144504. ## Tests Adds 4 tests.
This commit is contained in:
parent
e73e7e2e56
commit
67e6cad0cb
|
@ -157,6 +157,7 @@ class CupertinoTextFormFieldRow extends FormField<String> {
|
|||
color: CupertinoColors.placeholderText,
|
||||
),
|
||||
EditableTextContextMenuBuilder? contextMenuBuilder = _defaultContextMenuBuilder,
|
||||
super.restorationId,
|
||||
}) : assert(initialValue == null || controller == null),
|
||||
assert(obscuringCharacter.length == 1),
|
||||
assert(maxLines == null || maxLines > 0),
|
||||
|
@ -186,50 +187,54 @@ class CupertinoTextFormFieldRow extends FormField<String> {
|
|||
prefix: prefix,
|
||||
padding: padding,
|
||||
error: (field.errorText == null) ? null : Text(field.errorText!),
|
||||
child: CupertinoTextField.borderless(
|
||||
controller: state._effectiveController,
|
||||
focusNode: focusNode,
|
||||
keyboardType: keyboardType,
|
||||
decoration: decoration,
|
||||
textInputAction: textInputAction,
|
||||
style: style,
|
||||
strutStyle: strutStyle,
|
||||
textAlign: textAlign,
|
||||
textAlignVertical: textAlignVertical,
|
||||
textCapitalization: textCapitalization,
|
||||
textDirection: textDirection,
|
||||
autofocus: autofocus,
|
||||
toolbarOptions: toolbarOptions,
|
||||
readOnly: readOnly,
|
||||
showCursor: showCursor,
|
||||
obscuringCharacter: obscuringCharacter,
|
||||
obscureText: obscureText,
|
||||
autocorrect: autocorrect,
|
||||
smartDashesType: smartDashesType,
|
||||
smartQuotesType: smartQuotesType,
|
||||
enableSuggestions: enableSuggestions,
|
||||
maxLines: maxLines,
|
||||
minLines: minLines,
|
||||
expands: expands,
|
||||
maxLength: maxLength,
|
||||
onChanged: onChangedHandler,
|
||||
onTap: onTap,
|
||||
onEditingComplete: onEditingComplete,
|
||||
onSubmitted: onFieldSubmitted,
|
||||
inputFormatters: inputFormatters,
|
||||
enabled: enabled ?? true,
|
||||
cursorWidth: cursorWidth,
|
||||
cursorHeight: cursorHeight,
|
||||
cursorColor: cursorColor,
|
||||
scrollPadding: scrollPadding,
|
||||
scrollPhysics: scrollPhysics,
|
||||
keyboardAppearance: keyboardAppearance,
|
||||
enableInteractiveSelection: enableInteractiveSelection,
|
||||
selectionControls: selectionControls,
|
||||
autofillHints: autofillHints,
|
||||
placeholder: placeholder,
|
||||
placeholderStyle: placeholderStyle,
|
||||
contextMenuBuilder: contextMenuBuilder,
|
||||
child: UnmanagedRestorationScope(
|
||||
bucket: field.bucket,
|
||||
child: CupertinoTextField.borderless(
|
||||
restorationId: restorationId,
|
||||
controller: state._effectiveController,
|
||||
focusNode: focusNode,
|
||||
keyboardType: keyboardType,
|
||||
decoration: decoration,
|
||||
textInputAction: textInputAction,
|
||||
style: style,
|
||||
strutStyle: strutStyle,
|
||||
textAlign: textAlign,
|
||||
textAlignVertical: textAlignVertical,
|
||||
textCapitalization: textCapitalization,
|
||||
textDirection: textDirection,
|
||||
autofocus: autofocus,
|
||||
toolbarOptions: toolbarOptions,
|
||||
readOnly: readOnly,
|
||||
showCursor: showCursor,
|
||||
obscuringCharacter: obscuringCharacter,
|
||||
obscureText: obscureText,
|
||||
autocorrect: autocorrect,
|
||||
smartDashesType: smartDashesType,
|
||||
smartQuotesType: smartQuotesType,
|
||||
enableSuggestions: enableSuggestions,
|
||||
maxLines: maxLines,
|
||||
minLines: minLines,
|
||||
expands: expands,
|
||||
maxLength: maxLength,
|
||||
onChanged: onChangedHandler,
|
||||
onTap: onTap,
|
||||
onEditingComplete: onEditingComplete,
|
||||
onSubmitted: onFieldSubmitted,
|
||||
inputFormatters: inputFormatters,
|
||||
enabled: enabled ?? true,
|
||||
cursorWidth: cursorWidth,
|
||||
cursorHeight: cursorHeight,
|
||||
cursorColor: cursorColor,
|
||||
scrollPadding: scrollPadding,
|
||||
scrollPhysics: scrollPhysics,
|
||||
keyboardAppearance: keyboardAppearance,
|
||||
enableInteractiveSelection: enableInteractiveSelection,
|
||||
selectionControls: selectionControls,
|
||||
autofillHints: autofillHints,
|
||||
placeholder: placeholder,
|
||||
placeholderStyle: placeholderStyle,
|
||||
contextMenuBuilder: contextMenuBuilder,
|
||||
),
|
||||
),
|
||||
);
|
||||
},
|
||||
|
@ -272,19 +277,45 @@ class CupertinoTextFormFieldRow extends FormField<String> {
|
|||
}
|
||||
|
||||
class _CupertinoTextFormFieldRowState extends FormFieldState<String> {
|
||||
TextEditingController? _controller;
|
||||
RestorableTextEditingController? _controller;
|
||||
|
||||
TextEditingController? get _effectiveController =>
|
||||
_cupertinoTextFormFieldRow.controller ?? _controller;
|
||||
TextEditingController get _effectiveController =>
|
||||
_cupertinoTextFormFieldRow.controller ?? _controller!.value;
|
||||
|
||||
CupertinoTextFormFieldRow get _cupertinoTextFormFieldRow =>
|
||||
super.widget as CupertinoTextFormFieldRow;
|
||||
|
||||
@override
|
||||
void restoreState(RestorationBucket? oldBucket, bool initialRestore) {
|
||||
super.restoreState(oldBucket, initialRestore);
|
||||
if (_controller != null) {
|
||||
_registerController();
|
||||
}
|
||||
// This makes sure to update the internal [FormFieldState] value to sync up with
|
||||
// text editing controller value.
|
||||
setValue(_effectiveController.text);
|
||||
}
|
||||
|
||||
void _registerController() {
|
||||
assert(_controller != null);
|
||||
registerForRestoration(_controller!, 'controller');
|
||||
}
|
||||
|
||||
void _createLocalController([TextEditingValue? value]) {
|
||||
assert(_controller == null);
|
||||
_controller = value == null
|
||||
? RestorableTextEditingController()
|
||||
: RestorableTextEditingController.fromValue(value);
|
||||
if (!restorePending) {
|
||||
_registerController();
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
super.initState();
|
||||
if (_cupertinoTextFormFieldRow.controller == null) {
|
||||
_controller = TextEditingController(text: widget.initialValue);
|
||||
_createLocalController(widget.initialValue != null ? TextEditingValue(text: widget.initialValue!) : null);
|
||||
} else {
|
||||
_cupertinoTextFormFieldRow.controller!.addListener(_handleControllerChanged);
|
||||
}
|
||||
|
@ -298,13 +329,14 @@ class _CupertinoTextFormFieldRowState extends FormFieldState<String> {
|
|||
_cupertinoTextFormFieldRow.controller?.addListener(_handleControllerChanged);
|
||||
|
||||
if (oldWidget.controller != null && _cupertinoTextFormFieldRow.controller == null) {
|
||||
_controller =
|
||||
TextEditingController.fromValue(oldWidget.controller!.value);
|
||||
_createLocalController(oldWidget.controller!.value);
|
||||
}
|
||||
|
||||
if (_cupertinoTextFormFieldRow.controller != null) {
|
||||
setValue(_cupertinoTextFormFieldRow.controller!.text);
|
||||
if (oldWidget.controller == null) {
|
||||
unregisterFromRestoration(_controller!);
|
||||
_controller!.dispose();
|
||||
_controller = null;
|
||||
}
|
||||
}
|
||||
|
@ -322,8 +354,8 @@ class _CupertinoTextFormFieldRowState extends FormFieldState<String> {
|
|||
void didChange(String? value) {
|
||||
super.didChange(value);
|
||||
|
||||
if (value != null && _effectiveController!.text != value) {
|
||||
_effectiveController!.text = value;
|
||||
if (value != null && _effectiveController.text != value) {
|
||||
_effectiveController.text = value;
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -331,9 +363,9 @@ class _CupertinoTextFormFieldRowState extends FormFieldState<String> {
|
|||
void reset() {
|
||||
// Set the controller value before calling super.reset() to let
|
||||
// _handleControllerChanged suppress the change.
|
||||
_effectiveController!.text = widget.initialValue!;
|
||||
_effectiveController.text = widget.initialValue!;
|
||||
super.reset();
|
||||
_cupertinoTextFormFieldRow.onChanged?.call(_effectiveController!.text);
|
||||
_cupertinoTextFormFieldRow.onChanged?.call(_effectiveController.text);
|
||||
}
|
||||
|
||||
void _handleControllerChanged() {
|
||||
|
@ -344,8 +376,8 @@ class _CupertinoTextFormFieldRowState extends FormFieldState<String> {
|
|||
// notifications for changes originating from within this class -- for
|
||||
// example, the reset() method. In such cases, the FormField value will
|
||||
// already have been set.
|
||||
if (_effectiveController!.text != value) {
|
||||
didChange(_effectiveController!.text);
|
||||
if (_effectiveController.text != value) {
|
||||
didChange(_effectiveController.text);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
@ -0,0 +1,251 @@
|
|||
// Copyright 2014 The Flutter Authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style license that can be
|
||||
// found in the LICENSE file.
|
||||
|
||||
import 'package:flutter/cupertino.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter_test/flutter_test.dart';
|
||||
|
||||
const String text = 'Hello World! How are you? Life is good!';
|
||||
const String alternativeText = 'Everything is awesome!!';
|
||||
|
||||
void main() {
|
||||
testWidgets('CupertinoTextFormFieldRow restoration', (WidgetTester tester) async {
|
||||
await tester.pumpWidget(
|
||||
const CupertinoApp(
|
||||
restorationScopeId: 'app',
|
||||
home: RestorableTestWidget(),
|
||||
),
|
||||
);
|
||||
|
||||
await restoreAndVerify(tester);
|
||||
});
|
||||
|
||||
testWidgets('CupertinoTextFormFieldRow restoration with external controller', (WidgetTester tester) async {
|
||||
await tester.pumpWidget(
|
||||
const CupertinoApp(
|
||||
restorationScopeId: 'root',
|
||||
home: RestorableTestWidget(
|
||||
useExternalController: true,
|
||||
),
|
||||
),
|
||||
);
|
||||
|
||||
await restoreAndVerify(tester);
|
||||
});
|
||||
|
||||
testWidgets('State restoration (No Form ancestor) - onUserInteraction error text validation', (WidgetTester tester) async {
|
||||
String? errorText(String? value) => '$value/error';
|
||||
late GlobalKey<FormFieldState<String>> formState;
|
||||
|
||||
Widget builder() {
|
||||
return CupertinoApp(
|
||||
restorationScopeId: 'app',
|
||||
home: MediaQuery(
|
||||
data: const MediaQueryData(),
|
||||
child: Directionality(
|
||||
textDirection: TextDirection.ltr,
|
||||
child: Center(
|
||||
child: StatefulBuilder(
|
||||
builder: (BuildContext context, StateSetter state) {
|
||||
formState = GlobalKey<FormFieldState<String>>();
|
||||
return Material(
|
||||
child: CupertinoTextFormFieldRow(
|
||||
key: formState,
|
||||
autovalidateMode: AutovalidateMode.onUserInteraction,
|
||||
restorationId: 'text_form_field',
|
||||
initialValue: 'foo',
|
||||
validator: errorText,
|
||||
),
|
||||
);
|
||||
},
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
await tester.pumpWidget(builder());
|
||||
|
||||
// No error text is visible yet.
|
||||
expect(find.text(errorText('foo')!), findsNothing);
|
||||
|
||||
await tester.enterText(find.byType(CupertinoTextFormFieldRow), 'bar');
|
||||
await tester.pumpAndSettle();
|
||||
expect(find.text(errorText('bar')!), findsOneWidget);
|
||||
|
||||
final TestRestorationData data = await tester.getRestorationData();
|
||||
await tester.restartAndRestore();
|
||||
// Error text should be present after restart and restore.
|
||||
expect(find.text(errorText('bar')!), findsOneWidget);
|
||||
|
||||
// Resetting the form state should remove the error text.
|
||||
formState.currentState!.reset();
|
||||
await tester.pumpAndSettle();
|
||||
expect(find.text(errorText('bar')!), findsNothing);
|
||||
await tester.restartAndRestore();
|
||||
// Error text should still be removed after restart and restore.
|
||||
expect(find.text(errorText('bar')!), findsNothing);
|
||||
|
||||
await tester.restoreFrom(data);
|
||||
expect(find.text(errorText('bar')!), findsOneWidget);
|
||||
});
|
||||
|
||||
testWidgets('State Restoration (No Form ancestor) - validator sets the error text only when validate is called', (WidgetTester tester) async {
|
||||
String? errorText(String? value) => '$value/error';
|
||||
late GlobalKey<FormFieldState<String>> formState;
|
||||
|
||||
Widget builder(AutovalidateMode mode) {
|
||||
return CupertinoApp(
|
||||
restorationScopeId: 'app',
|
||||
home: MediaQuery(
|
||||
data: const MediaQueryData(),
|
||||
child: Directionality(
|
||||
textDirection: TextDirection.ltr,
|
||||
child: Center(
|
||||
child: StatefulBuilder(
|
||||
builder: (BuildContext context, StateSetter state) {
|
||||
formState = GlobalKey<FormFieldState<String>>();
|
||||
return Material(
|
||||
child: CupertinoTextFormFieldRow(
|
||||
key: formState,
|
||||
restorationId: 'form_field',
|
||||
autovalidateMode: mode,
|
||||
initialValue: 'foo',
|
||||
validator: errorText,
|
||||
),
|
||||
);
|
||||
},
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
// Start off not autovalidating.
|
||||
await tester.pumpWidget(builder(AutovalidateMode.disabled));
|
||||
|
||||
Future<void> checkErrorText(String testValue) async {
|
||||
formState.currentState!.reset();
|
||||
await tester.pumpWidget(builder(AutovalidateMode.disabled));
|
||||
await tester.enterText(find.byType(CupertinoTextFormFieldRow), testValue);
|
||||
await tester.pump();
|
||||
|
||||
// We have to manually validate if we're not autovalidating.
|
||||
expect(find.text(errorText(testValue)!), findsNothing);
|
||||
formState.currentState!.validate();
|
||||
await tester.pump();
|
||||
expect(find.text(errorText(testValue)!), findsOneWidget);
|
||||
final TestRestorationData data = await tester.getRestorationData();
|
||||
await tester.restartAndRestore();
|
||||
// Error text should be present after restart and restore.
|
||||
expect(find.text(errorText(testValue)!), findsOneWidget);
|
||||
|
||||
formState.currentState!.reset();
|
||||
await tester.pumpAndSettle();
|
||||
expect(find.text(errorText(testValue)!), findsNothing);
|
||||
|
||||
await tester.restoreFrom(data);
|
||||
expect(find.text(errorText(testValue)!), findsOneWidget);
|
||||
|
||||
// Try again with autovalidation. Should validate immediately.
|
||||
formState.currentState!.reset();
|
||||
await tester.pumpWidget(builder(AutovalidateMode.always));
|
||||
await tester.enterText(find.byType(CupertinoTextFormFieldRow), testValue);
|
||||
await tester.pump();
|
||||
|
||||
expect(find.text(errorText(testValue)!), findsOneWidget);
|
||||
await tester.restartAndRestore();
|
||||
// Error text should be present after restart and restore.
|
||||
expect(find.text(errorText(testValue)!), findsOneWidget);
|
||||
}
|
||||
|
||||
await checkErrorText('Test');
|
||||
await checkErrorText('');
|
||||
});
|
||||
}
|
||||
|
||||
Future<void> restoreAndVerify(WidgetTester tester) async {
|
||||
expect(find.text(text), findsNothing);
|
||||
expect(tester.state<ScrollableState>(find.byType(Scrollable)).position.pixels, 0);
|
||||
|
||||
await tester.enterText(find.byType(CupertinoTextFormFieldRow), text);
|
||||
await skipPastScrollingAnimation(tester);
|
||||
expect(tester.state<ScrollableState>(find.byType(Scrollable)).position.pixels, 0);
|
||||
|
||||
await tester.drag(find.byType(Scrollable), const Offset(0, -80));
|
||||
await skipPastScrollingAnimation(tester);
|
||||
|
||||
expect(find.text(text), findsOneWidget);
|
||||
expect(tester.state<ScrollableState>(find.byType(Scrollable)).position.pixels, 60);
|
||||
|
||||
await tester.restartAndRestore();
|
||||
|
||||
expect(find.text(text), findsOneWidget);
|
||||
expect(tester.state<ScrollableState>(find.byType(Scrollable)).position.pixels, 60);
|
||||
|
||||
final TestRestorationData data = await tester.getRestorationData();
|
||||
|
||||
await tester.enterText(find.byType(CupertinoTextFormFieldRow), alternativeText);
|
||||
await skipPastScrollingAnimation(tester);
|
||||
await tester.drag(find.byType(Scrollable), const Offset(0, 80));
|
||||
await skipPastScrollingAnimation(tester);
|
||||
|
||||
expect(find.text(text), findsNothing);
|
||||
expect(tester.state<ScrollableState>(find.byType(Scrollable)).position.pixels, isNot(60));
|
||||
|
||||
await tester.restoreFrom(data);
|
||||
|
||||
expect(find.text(text), findsOneWidget);
|
||||
expect(tester.state<ScrollableState>(find.byType(Scrollable)).position.pixels, 60);
|
||||
}
|
||||
|
||||
class RestorableTestWidget extends StatefulWidget {
|
||||
const RestorableTestWidget({super.key, this.useExternalController = false});
|
||||
|
||||
final bool useExternalController;
|
||||
|
||||
@override
|
||||
RestorableTestWidgetState createState() => RestorableTestWidgetState();
|
||||
}
|
||||
|
||||
class RestorableTestWidgetState extends State<RestorableTestWidget> with RestorationMixin {
|
||||
final RestorableTextEditingController controller = RestorableTextEditingController();
|
||||
|
||||
@override
|
||||
String get restorationId => 'widget';
|
||||
|
||||
@override
|
||||
void restoreState(RestorationBucket? oldBucket, bool initialRestore) {
|
||||
registerForRestoration(controller, 'controller');
|
||||
}
|
||||
|
||||
@override
|
||||
void dispose() {
|
||||
controller.dispose();
|
||||
super.dispose();
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Material(
|
||||
child: Align(
|
||||
child: SizedBox(
|
||||
width: 50,
|
||||
child: CupertinoTextFormFieldRow(
|
||||
restorationId: 'text',
|
||||
maxLines: 3,
|
||||
controller: widget.useExternalController ? controller.value : null,
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
Future<void> skipPastScrollingAnimation(WidgetTester tester) async {
|
||||
await tester.pump();
|
||||
await tester.pump(const Duration(milliseconds: 200));
|
||||
}
|
Loading…
Reference in a new issue