Add SizeTransition.fixedCrossAxisSizeFactor #134659
Add SizeTransition.fixedCrossAxisSizeFactor #134659auto-submit[bot] merged 12 commits intoflutter:masterfrom
SizeTransition.fixedCrossAxisSizeFactor #134659Conversation
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I'm not too proud of the test. Do you have any idea how I could improve it? |
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@Renzo-Olivares is there something I should do for this PR? |
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Hi @ValentinVignal thanks for the contribution! This looks awesome, I just had a few comments and suggestions for the test.
| expect(actualPositionedBox.widthFactor, 2.0); | ||
| }); | ||
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nit: this extra line is not needed.
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Oops, I got it removed in test: Test the size transition cross axis size
| /// | ||
| /// If the value of [crossAxisSizeFactor] is less than one, the child will be | ||
| /// clipped in the appropriate axis. | ||
| final double? crossAxisSizeFactor; |
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Maybe add a comment describing the default behavior when this is not defined. (The cross axis size is as large as the parent).
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I added a comment in chore: Add assert and comment. Is that good enough?
| /// | ||
| /// If the value of [crossAxisSizeFactor] is less than one, the child will be | ||
| /// clipped in the appropriate axis. | ||
| final double? crossAxisSizeFactor; |
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I wonder if this should have a different name since it is not directly the counter of sizeFactor since it is not an animation.
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Sure! I'm all in for a different name, I wasn't really happy with this one. Would you have a suggestion?
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maybe staticCrossAxisSizeFactor or fixedCrossAxisSizeFactor? I think its important to make it clear that the widget does not listen to this value and animate on it unlike sizeFactor.
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I decided to go with fixedCrossAxisSizeFactor and I renamed it in refactor: Rename parameter to fixedCrossAxisSizeFactor
| textDirection: TextDirection.ltr, | ||
| child: SizeTransition( | ||
| sizeFactor: animation, | ||
| crossAxisSizeFactor: 2.0, |
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This test works to verify that the crossAxisSizeFactor is actually being passed but we should also add a test that verifies the intended behavior. Maybe that test could verify the size of the parent before/after the transition when crossAxisSizeFactor is set to 1.0. Before the size would be equal to the size of the child, and after it would be 0.
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Sure! Nice idea! I added the test in test: Test the size transition cross axis size
| this.axis = Axis.vertical, | ||
| required Animation<double> sizeFactor, | ||
| this.axisAlignment = 0.0, | ||
| this.crossAxisSizeFactor, |
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we should probably assert this value is non-negative since Align cannot take a non-negative size factor.
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I copied the Align's assert in chore: Add assert and comment
…-with-size-transition # Conflicts: # packages/flutter/test/widgets/transitions_test.dart
| expect(actualPositionedBox.heightFactor, 1.0); | ||
| }); | ||
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| testWidgetsWithLeakTracking('SizeTransition with crossAxisSizeFactor should size its cross axi from its children - vertical axis', (WidgetTester tester) async { |
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axi -> axis. Same for horizontal test.
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Oops sorry about that. I fixed it in doc: Fix typo in test description
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Left some comments. Thanks for making the changes!
| await tester.pump(); | ||
| expect(actualPositionedBox.heightFactor, 0.0); | ||
| expect(actualPositionedBox.widthFactor, 1.0); | ||
| expect(tester.getSize(find.byKey(key)), const Size(100, 0)); |
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I think there is an extra space in Size(100, 0).
| await tester.pump(); | ||
| expect(actualPositionedBox.heightFactor, 0.0); | ||
| expect(actualPositionedBox.widthFactor, 1.0); | ||
| expect(tester.getSize(find.byKey(key)), const Size(100, 0)); |
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Should remove this extra space here (100, 0).
| await tester.pump(); | ||
| expect(actualPositionedBox.heightFactor, 1.0); | ||
| expect(actualPositionedBox.widthFactor, 0.0); | ||
| expect(tester.getSize(find.byKey(key)), const Size(0, 100)); |
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nit: remove extra space.
| expect(tester.getSize(find.byKey(key)), const Size(100, 0)); | ||
| }); | ||
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| testWidgetsWithLeakTracking('SizeTransition with crossAxisSizeFactor should size its cross axis from its children - horizontal axis', (WidgetTester tester) async { |
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nit: update name of crossAxisSizeFactor in tests.
…ossAxisSizeFactor
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Oops sorry for those mistakes @Renzo-Olivares . I have fixed them in test: Better format the code and rename test description with fixedCr… |
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LGTM thank you for the contribution!
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changed the title
SizeTransition.crossAxisSizeFactor SizeTransition.fixedCrossAxisSizeFactor
…-with-size-transition
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Fixes #134654
Pre-launch Checklist
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