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Layout: Move layout definitions out of theme.json #50621

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merged 7 commits into from
Jun 14, 2023
Merged

Layout: Move layout definitions out of theme.json #50621

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7cff18d
Layout: Try moving layout definitions out of theme.json, but retain i…
andrewserong May 15, 2023
f9cc51b
Update comment
andrewserong May 15, 2023
deb1fb7
Add duplicate layout definitions in JS.
andrewserong Jun 13, 2023
9c6d658
Fix some of the JS tests
andrewserong Jun 13, 2023
d49bbb8
Update PHP tests
andrewserong Jun 13, 2023
ae7dfef
Remove layout definitions from settings
andrewserong Jun 13, 2023
fde9a8d
A couple more removals that I previously missed
andrewserong Jun 13, 2023
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185 changes: 184 additions & 1 deletion lib/block-supports/layout.php
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,189 @@
* @package gutenberg
*/

/**
* Returns layout definitions, keyed by layout type.
*
* Provides a common definition of slugs, classnames, base styles, and spacing styles for each layout type.
* When making changes or additions to layout definitions, the corresponding JavaScript definitions should
* also be updated.
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Might be nice to add the file path for the JS definitions here?

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I was thinking of adding that in originally, but once we backport the changes, any JS path won't quite make sense from the perspective of wordpress-develop, so I thought I'd leave it off for now. Happy to add it in once we've done the backports, though!

*
* @return array[] Layout definitions.
*/
function gutenberg_get_layout_definitions() {
$layout_definitions = array(
'default' => array(
'name' => 'default',
'slug' => 'flow',
'className' => 'is-layout-flow',
'baseStyles' => array(
array(
'selector' => ' > .alignleft',
'rules' => array(
'float' => 'left',
'margin-inline-start' => '0',
'margin-inline-end' => '2em',
),
),
array(
'selector' => ' > .alignright',
'rules' => array(
'float' => 'right',
'margin-inline-start' => '2em',
'margin-inline-end' => '0',
),
),
array(
'selector' => ' > .aligncenter',
'rules' => array(
'margin-left' => 'auto !important',
'margin-right' => 'auto !important',
),
),
),
'spacingStyles' => array(
array(
'selector' => ' > :first-child:first-child',
'rules' => array(
'margin-block-start' => '0',
),
),
array(
'selector' => ' > :last-child:last-child',
'rules' => array(
'margin-block-end' => '0',
),
),
array(
'selector' => ' > *',
'rules' => array(
'margin-block-start' => null,
'margin-block-end' => '0',
),
),
),
),
'constrained' => array(
'name' => 'constrained',
'slug' => 'constrained',
'className' => 'is-layout-constrained',
'baseStyles' => array(
array(
'selector' => ' > .alignleft',
'rules' => array(
'float' => 'left',
'margin-inline-start' => '0',
'margin-inline-end' => '2em',
),
),
array(
'selector' => ' > .alignright',
'rules' => array(
'float' => 'right',
'margin-inline-start' => '2em',
'margin-inline-end' => '0',
),
),
array(
'selector' => ' > .aligncenter',
'rules' => array(
'margin-left' => 'auto !important',
'margin-right' => 'auto !important',
),
),
array(
'selector' => ' > :where(:not(.alignleft):not(.alignright):not(.alignfull))',
'rules' => array(
'max-width' => 'var(--wp--style--global--content-size)',
'margin-left' => 'auto !important',
'margin-right' => 'auto !important',
),
),
array(
'selector' => ' > .alignwide',
'rules' => array(
'max-width' => 'var(--wp--style--global--wide-size)',
),
),
),
'spacingStyles' => array(
array(
'selector' => ' > :first-child:first-child',
'rules' => array(
'margin-block-start' => '0',
),
),
array(
'selector' => ' > :last-child:last-child',
'rules' => array(
'margin-block-end' => '0',
),
),
array(
'selector' => ' > *',
'rules' => array(
'margin-block-start' => null,
'margin-block-end' => '0',
),
),
),
),
'flex' => array(
'name' => 'flex',
'slug' => 'flex',
'className' => 'is-layout-flex',
'displayMode' => 'flex',
'baseStyles' => array(
array(
'selector' => '',
'rules' => array(
'flex-wrap' => 'wrap',
'align-items' => 'center',
),
),
array(
'selector' => ' > *',
'rules' => array(
'margin' => '0',
),
),
),
'spacingStyles' => array(
array(
'selector' => '',
'rules' => array(
'gap' => null,
),
),
),
),
'grid' => array(
'name' => 'grid',
'slug' => 'grid',
'className' => 'is-layout-grid',
'displayMode' => 'grid',
'baseStyles' => array(
array(
'selector' => ' > *',
'rules' => array(
'margin' => '0',
),
),
),
'spacingStyles' => array(
array(
'selector' => '',
'rules' => array(
'gap' => null,
),
),
),
),
);

return $layout_definitions;
}

/**
* Registers the layout block attribute for block types that support it.
*
Expand Down Expand Up @@ -409,7 +592,7 @@ function gutenberg_render_layout_support_flag( $block_content, $block ) {
}

$class_names = array();
$layout_definitions = _wp_array_get( $global_layout_settings, array( 'definitions' ), array() );
$layout_definitions = gutenberg_get_layout_definitions();
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A few lines above, there's some code to query for the data stored in theme.json via gutenberg_get_global_settings. Now that the definitions would be stored elsewhere, does that code need to be updated as well?

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Oh, good catch! Yes, there's no longer a need to check for $global_layout_settings so I've removed a few lines.

We still need the overall $global_settings query for root padding aware alignments, and to grab the root block spacing value (blockGap) if available, so the main query is preserved.

$container_class = wp_unique_id( 'wp-container-' );
$layout_classname = '';

Expand Down
2 changes: 1 addition & 1 deletion lib/class-wp-theme-json-gutenberg.php
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Original file line number Diff line number Diff line change
Expand Up @@ -1272,7 +1272,7 @@ protected function get_layout_styles( $block_metadata ) {
$has_block_gap_support = _wp_array_get( $this->theme_json, array( 'settings', 'spacing', 'blockGap' ) ) !== null;
$has_fallback_gap_support = ! $has_block_gap_support; // This setting isn't useful yet: it exists as a placeholder for a future explicit fallback gap styles support.
$node = _wp_array_get( $this->theme_json, $block_metadata['path'], array() );
$layout_definitions = _wp_array_get( $this->theme_json, array( 'settings', 'layout', 'definitions' ), array() );
$layout_definitions = gutenberg_get_layout_definitions();
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We also need to remove layout.definitions from the VALID_SETTINGS in this class.

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What happened if 3rd parties provided layout.definitions via theme.json? The potential scenarios are: the theme via its theme.json and plugins via the existing filters.

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I found that layout.definitions were merged in core as of 6.1. PR WordPress/wordpress-develop@72380e3 and trac ticket https://core.trac.wordpress.org/ticket/56467 If there wasn't any code to prevent them from being overridden by themes/plugins, we probably need to communicate this via a devnote stating it is a bug that others were able to override the definitions.

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Thanks! I've removed it from layout.definitions. If and when this PR lands, I'm happy to draft a dev note for 6.3 to flag the change 🙂

$layout_selector_pattern = '/^[a-zA-Z0-9\-\.\ *+>:\(\)]*$/'; // Allow alphanumeric classnames, spaces, wildcard, sibling, child combinator and pseudo class selectors.

// Gap styles will only be output if the theme has block gap support, or supports a fallback gap.
Expand Down
171 changes: 0 additions & 171 deletions lib/theme.json
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Original file line number Diff line number Diff line change
Expand Up @@ -226,177 +226,6 @@
}
]
},
"layout": {
"definitions": {
"default": {
"name": "default",
"slug": "flow",
"className": "is-layout-flow",
"baseStyles": [
{
"selector": " > .alignleft",
"rules": {
"float": "left",
"margin-inline-start": "0",
"margin-inline-end": "2em"
}
},
{
"selector": " > .alignright",
"rules": {
"float": "right",
"margin-inline-start": "2em",
"margin-inline-end": "0"
}
},
{
"selector": " > .aligncenter",
"rules": {
"margin-left": "auto !important",
"margin-right": "auto !important"
}
}
],
"spacingStyles": [
{
"selector": " > :first-child:first-child",
"rules": {
"margin-block-start": "0"
}
},
{
"selector": " > :last-child:last-child",
"rules": {
"margin-block-end": "0"
}
},
{
"selector": " > *",
"rules": {
"margin-block-start": null,
"margin-block-end": "0"
}
}
]
},
"constrained": {
"name": "constrained",
"slug": "constrained",
"className": "is-layout-constrained",
"baseStyles": [
{
"selector": " > .alignleft",
"rules": {
"float": "left",
"margin-inline-start": "0",
"margin-inline-end": "2em"
}
},
{
"selector": " > .alignright",
"rules": {
"float": "right",
"margin-inline-start": "2em",
"margin-inline-end": "0"
}
},
{
"selector": " > .aligncenter",
"rules": {
"margin-left": "auto !important",
"margin-right": "auto !important"
}
},
{
"selector": " > :where(:not(.alignleft):not(.alignright):not(.alignfull))",
"rules": {
"max-width": "var(--wp--style--global--content-size)",
"margin-left": "auto !important",
"margin-right": "auto !important"
}
},
{
"selector": " > .alignwide",
"rules": {
"max-width": "var(--wp--style--global--wide-size)"
}
}
],
"spacingStyles": [
{
"selector": " > :first-child:first-child",
"rules": {
"margin-block-start": "0"
}
},
{
"selector": " > :last-child:last-child",
"rules": {
"margin-block-end": "0"
}
},
{
"selector": " > *",
"rules": {
"margin-block-start": null,
"margin-block-end": "0"
}
}
]
},
"flex": {
"name": "flex",
"slug": "flex",
"className": "is-layout-flex",
"displayMode": "flex",
"baseStyles": [
{
"selector": "",
"rules": {
"flex-wrap": "wrap",
"align-items": "center"
}
},
{
"selector": " > *",
"rules": {
"margin": "0"
}
}
],
"spacingStyles": [
{
"selector": "",
"rules": {
"gap": null
}
}
]
},
"grid": {
"name": "grid",
"slug": "grid",
"className": "is-layout-grid",
"displayMode": "grid",
"baseStyles": [
{
"selector": " > *",
"rules": {
"margin": "0"
}
}
],
"spacingStyles": [
{
"selector": "",
"rules": {
"gap": null
}
}
]
}
}
},
"spacing": {
"blockGap": null,
"margin": false,
Expand Down
1 change: 1 addition & 0 deletions packages/block-editor/src/components/global-styles/index.js
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Expand Up @@ -6,6 +6,7 @@ export {
} from './hooks';
export { getBlockCSSSelector } from './get-block-css-selector';
export {
getLayoutStyles,
useGlobalStylesOutput,
useGlobalStylesOutputWithConfig,
} from './use-global-styles-output';
Expand Down
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