public static function get_from_editor_settings( $settings ) {
$theme_settings = array(
'version' => static::LATEST_SCHEMA,
'settings' => array(),
);
// Deprecated theme supports.
if ( isset( $settings['disableCustomColors'] ) ) {
$theme_settings['settings']['color']['custom'] = ! $settings['disableCustomColors'];
}
if ( isset( $settings['disableCustomGradients'] ) ) {
$theme_settings['settings']['color']['customGradient'] = ! $settings['disableCustomGradients'];
}
if ( isset( $settings['disableCustomFontSizes'] ) ) {
$theme_settings['settings']['typography']['customFontSize'] = ! $settings['disableCustomFontSizes'];
}
if ( isset( $settings['enableCustomLineHeight'] ) ) {
$theme_settings['settings']['typography']['lineHeight'] = $settings['enableCustomLineHeight'];
}
if ( isset( $settings['enableCustomUnits'] ) ) {
$theme_settings['settings']['spacing']['units'] = ( true === $settings['enableCustomUnits'] ) ?
array( 'px', 'em', 'rem', 'vh', 'vw', '%' ) :
$settings['enableCustomUnits'];
}
if ( isset( $settings['colors'] ) ) {
$theme_settings['settings']['color']['palette'] = $settings['colors'];
}
if ( isset( $settings['gradients'] ) ) {
$theme_settings['settings']['color']['gradients'] = $settings['gradients'];
}
if ( isset( $settings['fontSizes'] ) ) {
$font_sizes = $settings['fontSizes'];
// Back-compatibility for presets without units.
foreach ( $font_sizes as $key => $font_size ) {
if ( is_numeric( $font_size['size'] ) ) {
$font_sizes[ $key ]['size'] = $font_size['size'] . 'px';
}
}
$theme_settings['settings']['typography']['fontSizes'] = $font_sizes;
}
if ( isset( $settings['enableCustomSpacing'] ) ) {
$theme_settings['settings']['spacing']['padding'] = $settings['enableCustomSpacing'];
}
if ( isset( $settings['spacingSizes'] ) ) {
$theme_settings['settings']['spacing']['spacingSizes'] = $settings['spacingSizes'];
}
return $theme_settings;
}
/**
* Returns the current theme's wanted patterns(slugs) to be
* registered from Pattern Directory.
*
* @since 6.0.0
*
* @return string[]
*/
public function get_patterns() {
if ( isset( $this->theme_json['patterns'] ) && is_array( $this->theme_json['patterns'] ) ) {
return $this->theme_json['patterns'];
}
return array();
}
/**
* Returns a valid theme.json as provided by a theme.
*
* Unlike get_raw_data() this returns the presets flattened, as provided by a theme.
* This also uses appearanceTools instead of their opt-ins if all of them are true.
*
* @since 6.0.0
*
* @return array
*/
public function get_data() {
$output = $this->theme_json;
$nodes = static::get_setting_nodes( $output );
/**
* Flatten the theme & custom origins into a single one.
*
* For example, the following:
*
* {
* "settings": {
* "color": {
* "palette": {
* "theme": [ {} ],
* "custom": [ {} ]
* }
* }
* }
* }
*
* will be converted to:
*
* {
* "settings": {
* "color": {
* "palette": [ {} ]
* }
* }
* }
*/
foreach ( $nodes as $node ) {
foreach ( static::PRESETS_METADATA as $preset_metadata ) {
$path = $node['path'];
foreach ( $preset_metadata['path'] as $preset_metadata_path ) {
$path[] = $preset_metadata_path;
}
$preset = _wp_array_get( $output, $path, null );
if ( null === $preset ) {
continue;
}
$items = array();
if ( isset( $preset['theme'] ) ) {
foreach ( $preset['theme'] as $item ) {
$slug = $item['slug'];
unset( $item['slug'] );
$items[ $slug ] = $item;
}
}
if ( isset( $preset['custom'] ) ) {
foreach ( $preset['custom'] as $item ) {
$slug = $item['slug'];
unset( $item['slug'] );
$items[ $slug ] = $item;
}
}
$flattened_preset = array();
foreach ( $items as $slug => $value ) {
$flattened_preset[] = array_merge( array( 'slug' => (string) $slug ), $value );
}
_wp_array_set( $output, $path, $flattened_preset );
}
}
/*
* If all of the static::APPEARANCE_TOOLS_OPT_INS are true,
* this code unsets them and sets 'appearanceTools' instead.
*/
foreach ( $nodes as $node ) {
$all_opt_ins_are_set = true;
foreach ( static::APPEARANCE_TOOLS_OPT_INS as $opt_in_path ) {
$full_path = $node['path'];
foreach ( $opt_in_path as $opt_in_path_item ) {
$full_path[] = $opt_in_path_item;
}
/*
* Use "unset prop" as a marker instead of "null" because
* "null" can be a valid value for some props (e.g. blockGap).
*/
$opt_in_value = _wp_array_get( $output, $full_path, 'unset prop' );
if ( 'unset prop' === $opt_in_value ) {
$all_opt_ins_are_set = false;
break;
}
}
if ( $all_opt_ins_are_set ) {
$node_path_with_appearance_tools = $node['path'];
$node_path_with_appearance_tools[] = 'appearanceTools';
_wp_array_set( $output, $node_path_with_appearance_tools, true );
foreach ( static::APPEARANCE_TOOLS_OPT_INS as $opt_in_path ) {
$full_path = $node['path'];
foreach ( $opt_in_path as $opt_in_path_item ) {
$full_path[] = $opt_in_path_item;
}
/*
* Use "unset prop" as a marker instead of "null" because
* "null" can be a valid value for some props (e.g. blockGap).
*/
$opt_in_value = _wp_array_get( $output, $full_path, 'unset prop' );
if ( true !== $opt_in_value ) {
continue;
}
/*
* The following could be improved to be path independent.
* At the moment it relies on a couple of assumptions:
*
* - all opt-ins having a path of size 2.
* - there's two sources of settings: the top-level and the block-level.
*/
if (
( 1 === count( $node['path'] ) ) &&
( 'settings' === $node['path'][0] )
) {
// Top-level settings.
unset( $output['settings'][ $opt_in_path[0] ][ $opt_in_path[1] ] );
if ( empty( $output['settings'][ $opt_in_path[0] ] ) ) {
unset( $output['settings'][ $opt_in_path[0] ] );
}
} elseif (
( 3 === count( $node['path'] ) ) &&
( 'settings' === $node['path'][0] ) &&
( 'blocks' === $node['path'][1] )
) {
// Block-level settings.
$block_name = $node['path'][2];
unset( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ][ $opt_in_path[1] ] );
if ( empty( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ] ) ) {
unset( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ] );
}
}
}
}
}
wp_recursive_ksort( $output );
return $output;
}
/**
* Sets the spacingSizes array based on the spacingScale values from theme.json.
*
* @since 6.1.0
* @deprecated 6.6.0 No longer used as the spacingSizes are automatically
* generated in the constructor and merge methods instead
* of manually after instantiation.
*
* @return null|void
*/
public function set_spacing_sizes() {
_deprecated_function( __METHOD__, '6.6.0' );
$spacing_scale = isset( $this->theme_json['settings']['spacing']['spacingScale'] )
? $this->theme_json['settings']['spacing']['spacingScale']
: array();
if ( ! isset( $spacing_scale['steps'] )
|| ! is_numeric( $spacing_scale['steps'] )
|| ! isset( $spacing_scale['mediumStep'] )
|| ! isset( $spacing_scale['unit'] )
|| ! isset( $spacing_scale['operator'] )
|| ! isset( $spacing_scale['increment'] )
|| ! isset( $spacing_scale['steps'] )
|| ! is_numeric( $spacing_scale['increment'] )
|| ! is_numeric( $spacing_scale['mediumStep'] )
|| ( '+' !== $spacing_scale['operator'] && '*' !== $spacing_scale['operator'] ) ) {
if ( ! empty( $spacing_scale ) ) {
wp_trigger_error(
__METHOD__,
sprintf(
/* translators: 1: theme.json, 2: settings.spacing.spacingScale */
__( 'Some of the %1$s %2$s values are invalid' ),
'theme.json',
'settings.spacing.spacingScale'
),
E_USER_NOTICE
);
}
return null;
}
// If theme authors want to prevent the generation of the core spacing scale they can set their theme.json spacingScale.steps to 0.
if ( 0 === $spacing_scale['steps'] ) {
return null;
}
$spacing_sizes = static::compute_spacing_sizes( $spacing_scale );
// If there are 7 or fewer steps in the scale revert to numbers for labels instead of t-shirt sizes.
if ( $spacing_scale['steps'] <= 7 ) {
for ( $spacing_sizes_count = 0; $spacing_sizes_count < count( $spacing_sizes ); $spacing_sizes_count++ ) {
$spacing_sizes[ $spacing_sizes_count ]['name'] = (string) ( $spacing_sizes_count + 1 );
}
}
_wp_array_set( $this->theme_json, array( 'settings', 'spacing', 'spacingSizes', 'default' ), $spacing_sizes );
}
/**
* Merges two sets of spacing size presets.
*
* @since 6.6.0
*
* @param array $base The base set of spacing sizes.
* @param array $incoming The set of spacing sizes to merge with the base. Duplicate slugs will override the base values.
* @return array The merged set of spacing sizes.
*/
private static function merge_spacing_sizes( $base, $incoming ) {
// Preserve the order if there are no base (spacingScale) values.
if ( empty( $base ) ) {
return $incoming;
}
$merged = array();
foreach ( $base as $item ) {
$merged[ $item['slug'] ] = $item;
}
foreach ( $incoming as $item ) {
$merged[ $item['slug'] ] = $item;
}
ksort( $merged, SORT_NUMERIC );
return array_values( $merged );
}
/**
* Generates a set of spacing sizes by starting with a medium size and
* applying an operator with an increment value to generate the rest of the
* sizes outward from the medium size. The medium slug is '50' with the rest
* of the slugs being 10 apart. The generated names use t-shirt sizing.
*
* Example:
*
* $spacing_scale = array(
* 'steps' => 4,
* 'mediumStep' => 16,
* 'unit' => 'px',
* 'operator' => '+',
* 'increment' => 2,
* );
* $spacing_sizes = static::compute_spacing_sizes( $spacing_scale );
* // -> array(
* // array( 'name' => 'Small', 'slug' => '40', 'size' => '14px' ),
* // array( 'name' => 'Medium', 'slug' => '50', 'size' => '16px' ),
* // array( 'name' => 'Large', 'slug' => '60', 'size' => '18px' ),
* // array( 'name' => 'X-Large', 'slug' => '70', 'size' => '20px' ),
* // )
*
* @since 6.6.0
*
* @param array $spacing_scale {
* The spacing scale values. All are required.
*
* @type int $steps The number of steps in the scale. (up to 10 steps are supported.)
* @type float $mediumStep The middle value that gets the slug '50'. (For even number of steps, this becomes the first middle value.)
* @type string $unit The CSS unit to use for the sizes.
* @type string $operator The mathematical operator to apply to generate the other sizes. Either '+' or '*'.
* @type float $increment The value used with the operator to generate the other sizes.
* }
* @return array The spacing sizes presets or an empty array if some spacing scale values are missing or invalid.
*/
private static function compute_spacing_sizes( $spacing_scale ) {
/*
* This condition is intentionally missing some checks on ranges for the values in order to
* keep backwards compatibility with the previous implementation.
*/
if (
! isset( $spacing_scale['steps'] ) ||
! is_numeric( $spacing_scale['steps'] ) ||
0 === $spacing_scale['steps'] ||
! isset( $spacing_scale['mediumStep'] ) ||
! is_numeric( $spacing_scale['mediumStep'] ) ||
! isset( $spacing_scale['unit'] ) ||
! isset( $spacing_scale['operator'] ) ||
( '+' !== $spacing_scale['operator'] && '*' !== $spacing_scale['operator'] ) ||
! isset( $spacing_scale['increment'] ) ||
! is_numeric( $spacing_scale['increment'] )
) {
return array();
}
$unit = '%' === $spacing_scale['unit'] ? '%' : sanitize_title( $spacing_scale['unit'] );
$current_step = $spacing_scale['mediumStep'];
$steps_mid_point = round( $spacing_scale['steps'] / 2, 0 );
$x_small_count = null;
$below_sizes = array();
$slug = 40;
$remainder = 0;
for ( $below_midpoint_count = $steps_mid_point - 1; $spacing_scale['steps'] > 1 && $slug > 0 && $below_midpoint_count > 0; $below_midpoint_count-- ) {
if ( '+' === $spacing_scale['operator'] ) {
$current_step -= $spacing_scale['increment'];
} elseif ( $spacing_scale['increment'] > 1 ) {
$current_step /= $spacing_scale['increment'];
} else {
$current_step *= $spacing_scale['increment'];
}
if ( $current_step <= 0 ) {
$remainder = $below_midpoint_count;
break;
}
$below_sizes[] = array(
/* translators: %s: Digit to indicate multiple of sizing, eg. 2X-Small. */
'name' => $below_midpoint_count === $steps_mid_point - 1 ? __( 'Small' ) : sprintf( __( '%sX-Small' ), (string) $x_small_count ),
'slug' => (string) $slug,
'size' => round( $current_step, 2 ) . $unit,
);
if ( $below_midpoint_count === $steps_mid_point - 2 ) {
$x_small_count = 2;
}
if ( $below_midpoint_count < $steps_mid_point - 2 ) {
++$x_small_count;
}
$slug -= 10;
}
$below_sizes = array_reverse( $below_sizes );
$below_sizes[] = array(
'name' => __( 'Medium' ),
'slug' => '50',
'size' => $spacing_scale['mediumStep'] . $unit,
);
$current_step = $spacing_scale['mediumStep'];
$x_large_count = null;
$above_sizes = array();
$slug = 60;
$steps_above = ( $spacing_scale['steps'] - $steps_mid_point ) + $remainder;
for ( $above_midpoint_count = 0; $above_midpoint_count < $steps_above; $above_midpoint_count++ ) {
$current_step = '+' === $spacing_scale['operator']
? $current_step + $spacing_scale['increment']
: ( $spacing_scale['increment'] >= 1 ? $current_step * $spacing_scale['increment'] : $current_step / $spacing_scale['increment'] );
$above_sizes[] = array(
/* translators: %s: Digit to indicate multiple of sizing, eg. 2X-Large. */
'name' => 0 === $above_midpoint_count ? __( 'Large' ) : sprintf( __( '%sX-Large' ), (string) $x_large_count ),
'slug' => (string) $slug,
'size' => round( $current_step, 2 ) . $unit,
);
if ( 1 === $above_midpoint_count ) {
$x_large_count = 2;
}
if ( $above_midpoint_count > 1 ) {
++$x_large_count;
}
$slug += 10;
}
$spacing_sizes = $below_sizes;
foreach ( $above_sizes as $above_sizes_item ) {
$spacing_sizes[] = $above_sizes_item;
}
return $spacing_sizes;
}
/**
* This is used to convert the internal representation of variables to the CSS representation.
* For example, `var:preset|color|vivid-green-cyan` becomes `var(--wp--preset--color--vivid-green-cyan)`.
*
* @since 6.3.0
* @param string $value The variable such as var:preset|color|vivid-green-cyan to convert.
* @return string The converted variable.
*/
private static function convert_custom_properties( $value ) {
$prefix = 'var:';
$prefix_len = strlen( $prefix );
$token_in = '|';
$token_out = '--';
if ( str_starts_with( $value, $prefix ) ) {
$unwrapped_name = str_replace(
$token_in,
$token_out,
substr( $value, $prefix_len )
);
$value = "var(--wp--$unwrapped_name)";
}
return $value;
}
/**
* Given a tree, converts the internal representation of variables to the CSS representation.
* It is recursive and modifies the input in-place.
*
* @since 6.3.0
* @param array $tree Input to process.
* @return array The modified $tree.
*/
private static function resolve_custom_css_format( $tree ) {
$prefix = 'var:';
foreach ( $tree as $key => $data ) {
if ( is_string( $data ) && str_starts_with( $data, $prefix ) ) {
$tree[ $key ] = self::convert_custom_properties( $data );
} elseif ( is_array( $data ) ) {
$tree[ $key ] = self::resolve_custom_css_format( $data );
}
}
return $tree;
}
/**
* Returns the selectors metadata for a block.
*
* @since 6.3.0
*
* @param object $block_type The block type.
* @param string $root_selector The block's root selector.
*
* @return array The custom selectors set by the block.
*/
protected static function get_block_selectors( $block_type, $root_selector ) {
if ( ! empty( $block_type->selectors ) ) {
return $block_type->selectors;
}
$selectors = array( 'root' => $root_selector );
foreach ( static::BLOCK_SUPPORT_FEATURE_LEVEL_SELECTORS as $key => $feature ) {
$feature_selector = wp_get_block_css_selector( $block_type, $key );
if ( null !== $feature_selector ) {
$selectors[ $feature ] = array( 'root' => $feature_selector );
}
}
return $selectors;
}
/**
* Generates all the element selectors for a block.
*
* @since 6.3.0
*
* @param string $root_selector The block's root CSS selector.
* @return array The block's element selectors.
*/
protected static function get_block_element_selectors( $root_selector ) {
/*
* Assign defaults, then override those that the block sets by itself.
* If the block selector is compounded, will append the element to each
* individual block selector.
*/
$block_selectors = explode( ',', $root_selector );
$element_selectors = array();
foreach ( static::ELEMENTS as $el_name => $el_selector ) {
$element_selector = array();
foreach ( $block_selectors as $selector ) {
if ( $selector === $el_selector ) {
$element_selector = array( $el_selector );
break;
}
$element_selector[] = static::prepend_to_selector( $el_selector, $selector . ' ' );
}
$element_selectors[ $el_name ] = implode( ',', $element_selector );
}
return $element_selectors;
}
/**
* Generates style declarations for a node's features e.g., color, border,
* typography etc. that have custom selectors in their related block's
* metadata.
*
* @since 6.3.0
*
* @param object $metadata The related block metadata containing selectors.
* @param object $node A merged theme.json node for block or variation.
*
* @return array The style declarations for the node's features with custom
* selectors.
*/
protected function get_feature_declarations_for_node( $metadata, &$node ) {
$declarations = array();
if ( ! isset( $metadata['selectors'] ) ) {
return $declarations;
}
$settings = isset( $this->theme_json['settings'] )
? $this->theme_json['settings']
: array();
foreach ( $metadata['selectors'] as $feature => $feature_selectors ) {
/*
* Skip if this is the block's root selector or the block doesn't
* have any styles for the feature.
*/
if ( 'root' === $feature || empty( $node[ $feature ] ) ) {
continue;
}
if ( is_array( $feature_selectors ) ) {
foreach ( $feature_selectors as $subfeature => $subfeature_selector ) {
if ( 'root' === $subfeature || empty( $node[ $feature ][ $subfeature ] ) ) {
continue;
}
/*
* Create temporary node containing only the subfeature data
* to leverage existing `compute_style_properties` function.
*/
$subfeature_node = array(
$feature => array(
$subfeature => $node[ $feature ][ $subfeature ],
),
);
// Generate style declarations.
$new_declarations = static::compute_style_properties( $subfeature_node, $settings, null, $this->theme_json );
// Merge subfeature declarations into feature declarations.
if ( isset( $declarations[ $subfeature_selector ] ) ) {
foreach ( $new_declarations as $new_declaration ) {
$declarations[ $subfeature_selector ][] = $new_declaration;
}
} else {
$declarations[ $subfeature_selector ] = $new_declarations;
}
/*
* Remove the subfeature from the block's node now its
* styles will be included under its own selector not the
* block's.
*/
unset( $node[ $feature ][ $subfeature ] );
}
}
/*
* Now subfeatures have been processed and removed we can process
* feature root selector or simple string selector.
*/
if (
is_string( $feature_selectors ) ||
( isset( $feature_selectors['root'] ) && $feature_selectors['root'] )
) {
$feature_selector = is_string( $feature_selectors ) ? $feature_selectors : $feature_selectors['root'];
/*
* Create temporary node containing only the feature data
* to leverage existing `compute_style_properties` function.
*/
$feature_node = array( $feature => $node[ $feature ] );
// Generate the style declarations.
$new_declarations = static::compute_style_properties( $feature_node, $settings, null, $this->theme_json );
/*
* Merge new declarations with any that already exist for
* the feature selector. This may occur when multiple block
* support features use the same custom selector.
*/
if ( isset( $declarations[ $feature_selector ] ) ) {
foreach ( $new_declarations as $new_declaration ) {
$declarations[ $feature_selector ][] = $new_declaration;
}
} else {
$declarations[ $feature_selector ] = $new_declarations;
}
/*
* Remove the feature from the block's node now its styles
* will be included under its own selector not the block's.
*/
unset( $node[ $feature ] );
}
}
return $declarations;
}
/**
* Replaces CSS variables with their values in place.
*
* @since 6.3.0
* @since 6.5.0 Check for empty style before processing its value.
*
* @param array $styles CSS declarations to convert.
* @param array $values key => value pairs to use for replacement.
* @return array
*/
private static function convert_variables_to_value( $styles, $values ) {
foreach ( $styles as $key => $style ) {
if ( empty( $style ) ) {
continue;
}
if ( is_array( $style ) ) {
$styles[ $key ] = self::convert_variables_to_value( $style, $values );
continue;
}
if ( 0 <= strpos( $style, 'var(' ) ) {
// find all the variables in the string in the form of var(--variable-name, fallback), with fallback in the second capture group.
$has_matches = preg_match_all( '/var\(([^),]+)?,?\s?(\S+)?\)/', $style, $var_parts );
if ( $has_matches ) {
$resolved_style = $styles[ $key ];
foreach ( $var_parts[1] as $index => $var_part ) {
$key_in_values = 'var(' . $var_part . ')';
$rule_to_replace = $var_parts[0][ $index ]; // the css rule to replace e.g. var(--wp--preset--color--vivid-green-cyan).
$fallback = $var_parts[2][ $index ]; // the fallback value.
$resolved_style = str_replace(
array(
$rule_to_replace,
$fallback,
),
array(
isset( $values[ $key_in_values ] ) ? $values[ $key_in_values ] : $rule_to_replace,
isset( $values[ $fallback ] ) ? $values[ $fallback ] : $fallback,
),
$resolved_style
);
}
$styles[ $key ] = $resolved_style;
}
}
}
return $styles;
}
/**
* Resolves the values of CSS variables in the given styles.
*
* @since 6.3.0
* @param WP_Theme_JSON $theme_json The theme json resolver.
*
* @return WP_Theme_JSON The $theme_json with resolved variables.
*/
public static function resolve_variables( $theme_json ) {
$settings = $theme_json->get_settings();
$styles = $theme_json->get_raw_data()['styles'];
$preset_vars = static::compute_preset_vars( $settings, static::VALID_ORIGINS );
$theme_vars = static::compute_theme_vars( $settings );
$vars = array_reduce(
array_merge( $preset_vars, $theme_vars ),
function ( $carry, $item ) {
$name = $item['name'];
$carry[ "var({$name})" ] = $item['value'];
return $carry;
},
array()
);
$theme_json->theme_json['styles'] = self::convert_variables_to_value( $styles, $vars );
return $theme_json;
}
/**
* Generates a selector for a block style variation.
*
* @since 6.5.0
*
* @param string $variation_name Name of the block style variation.
* @param string $block_selector CSS selector for the block.
* @return string Block selector with block style variation selector added to it.
*/
protected static function get_block_style_variation_selector( $variation_name, $block_selector ) {
$variation_class = ".is-style-$variation_name";
if ( ! $block_selector ) {
return $variation_class;
}
$limit = 1;
$selector_parts = explode( ',', $block_selector );
$result = array();
foreach ( $selector_parts as $part ) {
$result[] = preg_replace_callback(
'/((?::\([^)]+\))?\s*)([^\s:]+)/',
function ( $matches ) use ( $variation_class ) {
return $matches[1] . $matches[2] . $variation_class;
},
$part,
$limit
);
}
return implode( ',', $result );
}
/**
* Collects valid block style variations keyed by block type.
*
* @since 6.6.0
*
* @return array Valid block style variations by block type.
*/
protected static function get_valid_block_style_variations() {
$valid_variations = array();
foreach ( self::get_blocks_metadata() as $block_name => $block_meta ) {
if ( ! isset( $block_meta['styleVariations'] ) ) {
continue;
}
$valid_variations[ $block_name ] = array_keys( $block_meta['styleVariations'] );
}
return $valid_variations;
}
}
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