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Fix InputControl label alignment #30033

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grzim
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@grzim grzim commented Mar 19, 2021

Description

Closes #30026

Solves the issue of broken label positioning in the InputControl component.
The problem is with styles that are being overwritten - the proposition in the PR is to add higher priority to these styles with &, so we can preserve the way everything is styled there (7 & is the minimal number to apply styles).

Another solution is to add styles directly applied to a component

const positionModifier = {
		top: {
			display: 'flex',
			flexDirection: 'column',
			alignItems: 'flex-start',
		},
		bottom: {
			display: 'flex',
			flexDirection: 'column-reverse',
			alignItems: 'flex-start',
		},
		center: {
			marginLeft: '12px',
		},
	};
	return (
		<Root
			style={ positionModifier[ labelPosition ] }
			{ ...props }
			className={ className }
			isFocused={ isFocused }
			labelPosition={ labelPosition }
			ref={ ref }
			__unstableVersion="next"
		>
(...)

which looks cleaner but it would introduce a different way of adding styles (everything is handled by styled-components now).

How has this been tested?

  1. Go to storybook
  2. Find InputControl or any other component using InputControl (i.e. SelectControl component story/components-selectcontrol--default)
  3. Change the labelPosition property and see that the label remains in the same position (after fix it should change)
    4

Screenshots

image

Types of changes

Bug fix

Checklist:

  • My code is tested.
  • My code follows the WordPress code style.
  • My code follows the accessibility standards.
  • I've tested my changes with keyboard and screen readers.
  • My code has proper inline documentation.
  • I've included developer documentation if appropriate.
  • I've updated all React Native files affected by any refactorings/renamings in this PR.

@grzim grzim added [Type] Bug An existing feature does not function as intended [Feature] UI Components Impacts or related to the UI component system labels Mar 19, 2021
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Size Change: +5 B (0%)

Total Size: 1.4 MB

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@grzim grzim self-assigned this Mar 22, 2021
@sarayourfriend
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What is overriding the styles? Just adding specificity will cause problems when consumers of this component do need to override these styles for one reason or another.

It looks like this is a fairly new bug (at least I remember this working correctly as recently as a couple months ago) so it seems like a regression that could be fixed rather than trying something like we're doing in this PR here. What do you think about trying to find the root cause of this issue instead given it used to work as expected?

@ItsJonQ
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ItsJonQ commented Mar 23, 2021

...seems like a regression that could be fixed rather than trying something like we're doing in this PR here

Expanding on @sarayourfriend 's comment.

Why &&&&&&&?

Firstly, this shouldn't be the solution (although, it technically does work). As @kevin940726 noted, the solution looks and feels strange - that's because it is.

The reason for this is the current competing ways that styles are being generated (some pain points of integration).

The new Component System's styling engine compounds specificity.
The current implementation does not.

(Both use emotion, but that's not relevant)

The issue is stemming from this, styled(Flex).

styled is coming from the current styling library.
Flex is the new Component System.

Therefore, in order for styled to compete with Flex, 7 * & needed to happen.

What's the fix?

As @sarayourfriend had pointed out, we should be focusing on fixing the deeper issue.
This issue, is pretty tricky to spot.

IMO, the deeper issue is:

  1. The lack of control primitives (input, label, etc...)
  2. The coupling of HTML elements (without primitives) to create components like InputControl.

The solution shouldn't really be style update, but rather, a structural update.

With the new Component System, we can do something like this:

// Top aligned label
<FormGroup label={label}>
	<TextInput {...inputProps} />
</FormGroup>
// Left aligned label
<FormGroup label={label} horizontal>
	<TextInput {...inputProps} />
</FormGroup>

The new FormGroup automatically creates + binds a label to the input.


What's next?

@sarayourfriend it looks like it's going to be tricky to smoothen out this component's current implementation.
We can either compound 7 * & within the styled code... Or swap styled for the one from @wp-g2/styles.
Maybe to control the potential regressions, we only target the Root styled component.

Something like:

import { styled } from '@emotion/styled';
import { styled as nextStyled } from '@wp-g2/styled';

export const Root = nextStyled(Flex)`...`

The outcome would be the same (I believe).

This would be the simplest next step. It may be able to hold things together until we can safely migrate to the improved structural change (suggested above)


☝️ With that said, there's basically no way folks would have known about this unless you've been working closely with @sarayourfriend and I on creating/refining component APIs. I don't fault anyone :).

P.S. I say all this as the one who created the original InputControl implementation. These controls were actually incredibly difficult to get right, even in the new Component System. The base TextInput went through over 3 rounds of massive iterations (basically scraping the previous iteration's implementation).

@sarayourfriend
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Oh yes I remember this now @ItsJonQ didn't we see this in a different area as well? At the time we didn't need to fix it for some reason.

Swapping out styled seems like the more correct solution to me. Though the other correct solution would be to just upgrade G2 to the latest version to get rid of compounding specificity, as that's going away anyway, right?

@ItsJonQ
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ItsJonQ commented Mar 23, 2021

get rid of compounding specificity, as that's going away anyway, right?

IMO, it shouldn't (not in the long term anyway).
However, reducing specificity may be the better solution for now (integration wise)

@sarayourfriend
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I don't want to leak too much of the conversation in #29689 here but yes, at least for now compounding specificity is going away. I'll open a PR to upgrade G2.

@ItsJonQ
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ItsJonQ commented Mar 23, 2021

@sarayourfriend Cool :). Thank you!

@sarayourfriend
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Opened here #30146

@grzim
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grzim commented Mar 24, 2021

Thank you all for your input:)
It seems that the behavior of this component is already fixed in the current version of the trunk.
This issue can be closed.

@grzim grzim closed this Mar 24, 2021
@ItsJonQ
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ItsJonQ commented Mar 24, 2021

@grzim (Phew!) Thanks for the update 🙏

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InputControl (and all components using InputControl) label alignment is broken
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