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This auto-formats all *.dart files in the repository outside of the `engine` subdirectory and enforces that these files stay formatted with a presubmit check. **Reviewers:** Please carefully review all the commits except for the one titled "formatted". The "formatted" commit was auto-generated by running `dev/tools/format.sh -a -f`. The other commits were hand-crafted to prepare the repo for the formatting change. I recommend reviewing the commits one-by-one via the "Commits" tab and avoiding Github's "Files changed" tab as it will likely slow down your browser because of the size of this PR. --------- Co-authored-by: Kate Lovett <katelovett@google.com> Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>
107 lines
3.9 KiB
Dart
107 lines
3.9 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter_api_samples/widgets/text_magnifier/text_magnifier.0.dart' as example;
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import 'package:flutter_test/flutter_test.dart';
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List<TextSelectionPoint> _globalize(Iterable<TextSelectionPoint> points, RenderBox box) {
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return points.map<TextSelectionPoint>((TextSelectionPoint point) {
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return TextSelectionPoint(box.localToGlobal(point.point), point.direction);
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}).toList();
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}
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RenderEditable _findRenderEditable<T extends State<StatefulWidget>>(WidgetTester tester) {
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return (tester.state(find.byType(TextField)) as TextSelectionGestureDetectorBuilderDelegate)
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.editableTextKey
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.currentState!
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.renderEditable;
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}
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Offset _textOffsetToPosition<T extends State<StatefulWidget>>(WidgetTester tester, int offset) {
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final RenderEditable renderEditable = _findRenderEditable(tester);
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final List<TextSelectionPoint> endpoints =
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renderEditable
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.getEndpointsForSelection(TextSelection.collapsed(offset: offset))
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.map<TextSelectionPoint>(
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(TextSelectionPoint point) =>
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TextSelectionPoint(renderEditable.localToGlobal(point.point), point.direction),
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)
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.toList();
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return endpoints[0].point + const Offset(0.0, -2.0);
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}
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void main() {
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const Duration durationBetweenActions = Duration(milliseconds: 20);
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const String defaultText = 'I am a magnifier, fear me!';
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Future<void> showMagnifier(WidgetTester tester, int textOffset) async {
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assert(textOffset >= 0);
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final Offset tapOffset = _textOffsetToPosition(tester, textOffset);
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// Double tap 'Magnifier' word to show the selection handles.
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final TestGesture testGesture = await tester.startGesture(tapOffset);
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await tester.pump(durationBetweenActions);
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await testGesture.up();
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await tester.pump(durationBetweenActions);
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await testGesture.down(tapOffset);
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await tester.pump(durationBetweenActions);
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await testGesture.up();
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await tester.pumpAndSettle();
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final TextEditingController controller =
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tester.firstWidget<TextField>(find.byType(TextField)).controller!;
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final TextSelection selection = controller.selection;
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final RenderEditable renderEditable = _findRenderEditable(tester);
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final List<TextSelectionPoint> endpoints = _globalize(
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renderEditable.getEndpointsForSelection(selection),
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renderEditable,
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);
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final Offset handlePos = endpoints.last.point + const Offset(10.0, 10.0);
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final TestGesture gesture = await tester.startGesture(handlePos);
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await gesture.moveTo(_textOffsetToPosition(tester, defaultText.length - 2));
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await tester.pump();
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}
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testWidgets(
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'should show custom magnifier on drag',
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(WidgetTester tester) async {
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await tester.pumpWidget(const example.TextMagnifierExampleApp(text: defaultText));
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await showMagnifier(tester, defaultText.indexOf('e'));
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expect(find.byType(example.CustomMagnifier), findsOneWidget);
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await expectLater(
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find.byType(example.TextMagnifierExampleApp),
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matchesGoldenFile('text_magnifier.0_test.png'),
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);
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},
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variant: const TargetPlatformVariant(<TargetPlatform>{
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TargetPlatform.iOS,
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TargetPlatform.android,
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}),
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skip: true, // This image is flaky. https://github.com/flutter/flutter/issues/144350
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);
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testWidgets('should show custom magnifier in RTL', (WidgetTester tester) async {
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const String text = 'أثارت زر';
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const String textToTapOn = 'ت';
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await tester.pumpWidget(
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const example.TextMagnifierExampleApp(textDirection: TextDirection.rtl, text: text),
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);
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await showMagnifier(tester, text.indexOf(textToTapOn));
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expect(find.byType(example.CustomMagnifier), findsOneWidget);
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});
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}
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