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<?php |
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namespace ABlocks\Classes; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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use ABlocks\Controls\Typography; |
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use ABlocks\Controls\Color; |
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use ABlocks\Controls\Dimensions; |
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use ABlocks\Controls\Alignment; |
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use ABlocks\Helper; |
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|
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/** |
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* Shared "bucket -> CSS" transformer for the atomic style system, so a block's |
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* local class and a reusable global class compile identically. |
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* |
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* A bucket is one set of style props for a given (breakpoint x interaction |
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* state). Where the bucket lives is StyleBuckets' concern; which props exist |
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* and what CSS they become is StylesSchema's. This class only turns one |
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* bucket's props into declarations, and walks the tree to build rules. |
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*/ |
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class AtomicStyles { |
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|
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/** |
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* Compile a full bucket tree for one selector base into CSS. |
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* |
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* The stored state key IS the pseudo-selector, so it is appended directly; |
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* the breakpoint comes from the bucket's device via the one media-query |
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* builder. Buckets emit widest-first, which is what makes a narrower |
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* breakpoint win in cascade mode. |
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*/ |
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public static function compile_variants( $selector_base, $styles ) { |
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return self::rules_to_css( self::compile_rules( $styles ), $selector_base ); |
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} |
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|
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/** |
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* Compile a bucket tree into a normalised rule list: |
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* |
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* [ [ media-query, state-selector, [ [ prop, value ], … ] ], … ] |
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* |
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* Values are cast to strings and the structure is a plain list, so the JSON |
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* encoding is byte-identical to the JS mirror's `JSON.stringify` — that is |
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* what makes the style hash reproducible across the editor and the front end. |
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* |
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* `$alignment` (the block's own alignment attribute, which lives outside the |
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* bucket tree and is still device-suffixed) folds into each device's normal |
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* state. It has to participate in the hash: two blocks with identical styles |
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* but different alignment are not interchangeable. |
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*/ |
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public static function compile_rules( $styles, $alignment = [] ) { |
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$rules = []; |
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$devices = Helper::get_responsive_devices(); |
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$has_styles = StyleBuckets::has_schema_version( $styles ); |
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|
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foreach ( $devices as $device ) { |
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$media = Helper::breakpoint_media_query( $device ); |
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$bucket_key = StyleBuckets::device_bucket_key( $device ); |
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|
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foreach ( StyleBuckets::state_keys() as $state ) { |
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$declarations = []; |
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|
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if ( $has_styles ) { |
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$props = StyleBuckets::read_bucket( $styles, $bucket_key, $state ); |
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if ( ! empty( $props ) ) { |
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$declarations = self::apply_background_reset( |
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self::state_declarations( $props ), |
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'' === $state && '' === $bucket_key |
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); |
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} |
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} |
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|
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// Alignment applies to the normal state, last so it beats a |
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// `textAlign` style prop set at the same level. |
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if ( '' === $state && ! empty( $alignment ) ) { |
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$declarations = array_merge( |
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$declarations, |
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Alignment::get_css( $alignment, 'text-align', $device['suffix'] ) |
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); |
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} |
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|
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if ( empty( $declarations ) ) { |
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continue; |
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} |
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|
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$pairs = []; |
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foreach ( $declarations as $property => $value ) { |
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if ( '' === $value || null === $value ) { |
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continue; |
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} |
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$pairs[] = [ (string) $property, (string) $value ]; |
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} |
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|
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if ( ! empty( $pairs ) ) { |
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$rules[] = [ $media, $state, $pairs ]; |
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} |
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} |
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} |
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|
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return $rules; |
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} |
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|
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/** |
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* FNV-1a 32-bit over the normalised rule list. |
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* |
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* Deliberately not md5: the editor has to compute the identical hash at save |
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* time, and FNV-1a is a handful of lines in both languages rather than a |
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* crypto dependency in the editor bundle. |
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*/ |
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public static function style_hash( $rules ) { |
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$json = wp_json_encode( $rules, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE ); |
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$hash = 2166136261; |
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$len = strlen( $json ); |
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|
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for ( $i = 0; $i < $len; $i++ ) { |
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$hash ^= ord( $json[ $i ] ); |
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$hash = ( $hash * 16777619 ) & 0xFFFFFFFF; |
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} |
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|
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return str_pad( dechex( $hash ), 8, '0', STR_PAD_LEFT ); |
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} |
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|
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/** The shared style class for a bucket tree, or '' when it compiles to nothing. */ |
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public static function style_class( $styles, $alignment = [] ) { |
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$rules = self::compile_rules( $styles, $alignment ); |
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return empty( $rules ) ? '' : 'ablocks-s-' . self::style_hash( $rules ); |
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} |
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|
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/** Hashes already emitted this request, so each rule set is written once. */ |
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private static $emitted = []; |
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|
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/** Forget what has been emitted (test/CLI helper). */ |
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public static function reset_emitted() { |
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self::$emitted = []; |
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} |
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|
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/** |
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* Register a block's compiled styles and return its shared class plus the |
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* CSS that still needs emitting — empty on every block after the first with |
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* the same rule set, which is where the duplicate-CSS reduction comes from. |
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* |
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* The class is repeated in the selector (0-2-0) so a block's own styles beat |
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* an applied global class (0-1-0) without resorting to `!important`, which |
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* would make global classes unable to override anything. |
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*/ |
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public static function register_styles( $styles, $alignment = [] ) { |
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$rules = self::compile_rules( $styles, $alignment ); |
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if ( empty( $rules ) ) { |
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return [ 'class' => '', 'css' => '' ]; |
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} |
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|
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$hash = self::style_hash( $rules ); |
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$class = 'ablocks-s-' . $hash; |
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|
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if ( isset( self::$emitted[ $hash ] ) ) { |
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return [ 'class' => $class, 'css' => '' ]; |
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} |
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self::$emitted[ $hash ] = true; |
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|
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return [ 'class' => $class, 'css' => self::rules_to_css( $rules, '.' . $class . '.' . $class ) ]; |
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} |
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|
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/** Render a normalised rule list against a selector base. */ |
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public static function rules_to_css( $rules, $selector_base ) { |
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$css = ''; |
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foreach ( $rules as $rule ) { |
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list( $media, $state, $pairs ) = $rule; |
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$declarations = ''; |
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foreach ( $pairs as $pair ) { |
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// Escaped here rather than at the schema, so every kind of prop |
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// — scalar, range, colour, typography, effect, overlay — passes |
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// through one guard on its way out. This runs after style_hash() |
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// has already read $rules, so the hash the editor writes into |
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// the markup is unaffected. |
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$declarations .= Helper::esc_css_value( $pair[0] ) . ':' . Helper::esc_css_value( $pair[1] ) . ';'; |
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} |
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$body = $selector_base . $state . '{' . $declarations . '}'; |
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|
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// A wrapping container's own children must size from their content, |
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// or the line can never be over-subscribed and `flex-wrap` never |
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// breaks one. That is a statement about THIS container's children, |
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// so it is emitted as a child rule here rather than as an inherited |
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// custom property: a custom property inherits down the whole tree, |
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// so a wrapping container silently re-sized the children of every |
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// non-wrapping container nested inside it — measured, a |
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// non-wrapping inner container's children came out `flex-basis: |
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// auto` (content-sized) instead of `0%` (equal share). |
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// |
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// Derived from the pairs rather than stored, so it costs nothing in |
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// the bucket tree, and — because this runs after style_hash() has |
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// read $rules — the hash in already-saved markup is unaffected. |
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$body .= self::wrap_child_css( $pairs, $selector_base . $state ); |
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|
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$css .= ( '' !== $media ) ? $media . '{' . $body . '}' : $body; |
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} |
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return $css; |
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} |
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|
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/** |
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* The child rule a wrapping container needs, or ''. |
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* |
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* Scoped to container children only, matching the base stylesheets — a leaf |
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* block is sized by its own block, not by the row it sits in. `:where()` |
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* keeps the selector at the same specificity as those base rules, and this |
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* <style> is injected after them, so it wins on order alone. |
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* |
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* Mirrors wrapChildCss() in atomic-shared/styles.js. |
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* |
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* @param array $pairs The bucket's declaration pairs. |
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* @param string $selector The already-composed selector for this bucket. |
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* @return string A CSS rule, or ''. |
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*/ |
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public static function wrap_child_css( $pairs, $selector ) { |
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$wraps = false; |
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foreach ( $pairs as $pair ) { |
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if ( 'flex-wrap' === $pair[0] |
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&& ( 'wrap' === $pair[1] || 'wrap-reverse' === $pair[1] ) ) { |
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$wraps = true; |
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} |
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} |
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if ( ! $wraps ) { |
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return ''; |
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} |
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return $selector . self::WRAP_CHILD_SELECTOR . '{flex-basis:auto;}'; |
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} |
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|
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/** The child combinator both compilers append for a wrapping container. */ |
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const WRAP_CHILD_SELECTOR = '>:where(.ablocks-atomic-div,.ablocks-atomic-flex,.ablocks-atomic-grid)'; |
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|
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/** |
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* A block-specific rule emitted only for the buckets that compile a given |
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* CSS property — media query and state preserved. |
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* |
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* Lets one block react to a declaration the shared compiler produced |
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* without that reaction leaking to every other atomic block, and without a |
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* second copy of the bucket/breakpoint walk. Used by the SVG block, whose |
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* graphic must stop filling its wrapper once the author has asked for the |
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* wrapper to position it. |
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* |
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* @param array $styles The block's styles object. |
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* @param string $selector_base The block's own selector. |
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* @param string $property The compiled CSS property to look for. |
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* @param string $suffix Appended to the selector (e.g. ' svg'). |
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* @param string $declarations The declarations to emit. |
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* @param string|null $unless_property Skip a bucket that ALSO compiles this |
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* property — an explicit value there is |
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* more specific than the reaction being |
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* conditioned on, and must win outright |
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* rather than being overridden by it. |
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* @return string CSS, or ''. |
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*/ |
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public static function conditional_rules( $styles, $selector_base, $property, $suffix, $declarations, $unless_property = null ) { |
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$css = ''; |
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foreach ( self::compile_rules( $styles ) as $rule ) { |
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list( $media, $state, $pairs ) = $rule; |
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$found = false; |
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$skip = false; |
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foreach ( $pairs as $pair ) { |
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if ( $pair[0] === $property ) { |
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$found = true; |
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} |
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if ( null !== $unless_property && $pair[0] === $unless_property ) { |
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$skip = true; |
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} |
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} |
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if ( ! $found || $skip ) { |
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continue; |
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} |
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$body = $selector_base . $state . $suffix . '{' . $declarations . '}'; |
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$css .= ( '' !== $media ) ? $media . '{' . $body . '}' : $body; |
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} |
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return $css; |
| 273 |
} |
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|
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/** Whether a bucket is the base one (base device, normal state). */ |
| 276 |
public static function is_base_bucket( $bucket ) { |
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return '' === $bucket['state'] |
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&& '' === StyleBuckets::device_bucket_key( $bucket['device'] ); |
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} |
| 280 |
|
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/** |
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* A bucket that sets a solid background colour and no gradient of its own |
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* must clear any gradient inherited from a lower-precedence bucket: |
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* `background-color` and `background-image` are separate properties, so the |
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* gradient would otherwise stay painted on top of the solid colour. |
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* |
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* Skipped for the base bucket on purpose — resetting there would also wipe a |
| 288 |
* gradient supplied by an applied global class, which the block never asked |
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* to override. |
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*/ |
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public static function apply_background_reset( $declarations, $is_base_bucket ) { |
| 292 |
if ( $is_base_bucket || ! is_array( $declarations ) ) { |
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return $declarations; |
| 294 |
} |
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|
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$has_color = isset( $declarations['background-color'] ) && '' !== $declarations['background-color']; |
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$has_image = isset( $declarations['background-image'] ) && '' !== $declarations['background-image']; |
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|
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if ( $has_color && ! $has_image ) { |
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$declarations['background-image'] = 'unset'; |
| 301 |
} |
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|
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return $declarations; |
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} |
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|
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/** |
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* Compile one bucket of style props into a CSS declarations map. |
| 308 |
* |
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* Props inside a bucket carry no device suffix — the bucket key is the |
| 310 |
* device — so this reads them directly. Every prop the atomic system |
| 311 |
* understands is declared once in StylesSchema; this walks that descriptor |
| 312 |
* rather than enumerating props itself, so the JS editor compiler and this |
| 313 |
* one cannot drift on which props exist, what CSS property each maps to, or |
| 314 |
* what order they emit in. |
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*/ |
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public static function state_declarations( $props ) { |
| 317 |
$css = []; |
| 318 |
if ( ! is_array( $props ) ) { |
| 319 |
return $css; |
| 320 |
} |
| 321 |
|
| 322 |
foreach ( StylesSchema::props() as $entry ) { |
| 323 |
$prop = $entry['prop']; |
| 324 |
|
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switch ( $entry['kind'] ) { |
| 326 |
|
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case 'typography': |
| 328 |
if ( ! empty( $props['typography'] ) ) { |
| 329 |
$global = ! empty( $props['typographyGlobal'] ) ? $props['typographyGlobal'] : ''; |
| 330 |
// false: no font-stack expansion — the JS mirror cannot |
| 331 |
// reproduce it, and these declarations are hashed. |
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$css = array_merge( $css, Typography::get_css( $props['typography'], '', '', $global, false ) ); |
| 333 |
} |
| 334 |
break; |
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|
| 336 |
case 'color': |
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$value = self::read_scalar( $props, $prop ); |
| 338 |
if ( '' !== $value ) { |
| 339 |
$css[ $entry['css'] ] = Color::get_css( $value ); |
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} |
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break; |
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|
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case 'scalar': |
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$value = self::read_scalar( $props, $prop ); |
| 345 |
if ( '' !== $value ) { |
| 346 |
$css[ $entry['css'] ] = $value; |
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} |
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break; |
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|
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case 'range': |
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$value = self::read_range( $props, $prop ); |
| 352 |
if ( '' !== $value ) { |
| 353 |
$css[ $entry['css'] ] = $value; |
| 354 |
} |
| 355 |
break; |
| 356 |
|
| 357 |
case 'effect': |
| 358 |
// Repeatable lists (shadow / transform / transition / filters). |
| 359 |
$value = StyleEffects::to_css( $prop, isset( $props[ $prop ] ) ? $props[ $prop ] : null ); |
| 360 |
if ( '' !== $value ) { |
| 361 |
$css[ $entry['css'] ] = $value; |
| 362 |
} |
| 363 |
break; |
| 364 |
|
| 365 |
case 'overlay': |
| 366 |
// Background overlay layers -> background-image + the four |
| 367 |
// positional properties, emitted together. |
| 368 |
$css = array_merge( $css, StyleBackground::to_declarations( isset( $props[ $prop ] ) ? $props[ $prop ] : null ) ); |
| 369 |
break; |
| 370 |
|
| 371 |
case 'clip': |
| 372 |
// `background-clip: text` still needs the -webkit- longhand. |
| 373 |
$value = self::read_scalar( $props, $prop ); |
| 374 |
if ( '' !== $value ) { |
| 375 |
$css[ '-webkit-' . $entry['css'] ] = $value; |
| 376 |
$css[ $entry['css'] ] = $value; |
| 377 |
} |
| 378 |
break; |
| 379 |
|
| 380 |
case 'border': |
| 381 |
$css = array_merge( $css, self::border_css( $props ) ); |
| 382 |
break; |
| 383 |
|
| 384 |
case 'dimensions': |
| 385 |
$css = array_merge( $css, self::spacing_css( $props, $prop ) ); |
| 386 |
break; |
| 387 |
} |
| 388 |
} |
| 389 |
|
| 390 |
// An explicit width, held against a flex row too narrow for it, held |
| 391 |
// against a row with space to spare, held against the base stylesheets' |
| 392 |
// `flex-basis: 0%` on every container child, kept from overflowing a |
| 393 |
// parent narrower than it, and centred in whatever is left — all five |
| 394 |
// mirror the JS compiler's stateToPairs(), which carries the full |
| 395 |
// reasoning. Appended after the schema loop in both, so the declaration |
| 396 |
// order the style hash is taken over stays identical. |
| 397 |
$has_width = '' !== self::read_range( $props, 'width' ); |
| 398 |
$has_max_width = '' !== self::read_range( $props, 'maxWidth' ); |
| 399 |
|
| 400 |
if ( $has_width ) { |
| 401 |
// No `flex-shrink: 0` — see the JS note. Pinning shrink to 0 is |
| 402 |
// what let a child escape its parent, and `flex-basis: auto` below |
| 403 |
// already holds the width whenever the row has room for it. |
| 404 |
if ( '' === self::read_scalar( $props, 'flexGrow' ) ) { |
| 405 |
$css['flex-grow'] = '0'; |
| 406 |
} |
| 407 |
if ( '' === self::read_scalar( $props, 'flexBasis' ) ) { |
| 408 |
$css['flex-basis'] = 'auto'; |
| 409 |
} |
| 410 |
if ( ! $has_max_width ) { |
| 411 |
$css['max-width'] = '100%'; |
| 412 |
} |
| 413 |
} |
| 414 |
|
| 415 |
// Centring answers to EITHER cap — see the JS note. Kept as its own |
| 416 |
// condition rather than folded into the block above so the declaration |
| 417 |
// order both compilers hash over stays identical. |
| 418 |
if ( ( $has_width || $has_max_width ) && ! self::has_horizontal_margin( $props ) ) { |
| 419 |
$css['margin-left'] = 'auto'; |
| 420 |
$css['margin-right'] = 'auto'; |
| 421 |
} |
| 422 |
|
| 423 |
return $css; |
| 424 |
} |
| 425 |
|
| 426 |
/** |
| 427 |
* Whether the author set a left/right margin of their own — `common` covers |
| 428 |
* the linked case, where one value drives all four sides. |
| 429 |
* |
| 430 |
* @param array $props The bucket's props. |
| 431 |
* @return bool Whether a horizontal margin is set. |
| 432 |
*/ |
| 433 |
private static function has_horizontal_margin( $props ) { |
| 434 |
$margin = isset( $props['margin'] ) ? $props['margin'] : null; |
| 435 |
if ( ! is_array( $margin ) ) { |
| 436 |
return false; |
| 437 |
} |
| 438 |
foreach ( [ 'common', 'left', 'right' ] as $side ) { |
| 439 |
if ( isset( $margin[ $side ] ) && '' !== $margin[ $side ] ) { |
| 440 |
return true; |
| 441 |
} |
| 442 |
} |
| 443 |
return false; |
| 444 |
} |
| 445 |
|
| 446 |
/** A scalar prop from this bucket. Absent means "inherit", not "empty". */ |
| 447 |
private static function read_scalar( $props, $base ) { |
| 448 |
return ( isset( $props[ $base ] ) && '' !== $props[ $base ] ) ? $props[ $base ] : ''; |
| 449 |
} |
| 450 |
|
| 451 |
/** An aBlocks Range object ({ value, valueUnit }) -> "<value><unit>". */ |
| 452 |
private static function read_range( $props, $base ) { |
| 453 |
$obj = isset( $props[ $base ] ) ? $props[ $base ] : ''; |
| 454 |
|
| 455 |
if ( is_array( $obj ) ) { |
| 456 |
if ( ! isset( $obj['value'] ) || '' === $obj['value'] ) { |
| 457 |
return ''; |
| 458 |
} |
| 459 |
$unit = ( isset( $obj['valueUnit'] ) && '' !== $obj['valueUnit'] ) ? $obj['valueUnit'] : 'px'; |
| 460 |
return $obj['value'] . $unit; |
| 461 |
} |
| 462 |
|
| 463 |
return ( is_string( $obj ) && '' !== $obj ) ? $obj : ''; |
| 464 |
} |
| 465 |
|
| 466 |
/** |
| 467 |
* The border group: Range width/radius plus scalar style/colour. |
| 468 |
* |
| 469 |
* CSS paints no border without a style, so a bucket that sets only a width |
| 470 |
* OR only a colour still gets one. Colour-only is the common case — a hover |
| 471 |
* bucket that recolours an existing border — and it rendered nothing before |
| 472 |
* this fallback covered it. |
| 473 |
*/ |
| 474 |
private static function border_css( $props ) { |
| 475 |
$css = []; |
| 476 |
|
| 477 |
$width = self::read_range( $props, 'borderWidth' ); |
| 478 |
$style = self::read_scalar( $props, 'borderStyle' ); |
| 479 |
$color = self::read_scalar( $props, 'borderColor' ); |
| 480 |
$radius = self::read_range( $props, 'borderRadius' ); |
| 481 |
|
| 482 |
// Per-side widths are overrides layered on the uniform one, so they are |
| 483 |
// emitted after it and win by cascade order. |
| 484 |
$side_widths = []; |
| 485 |
$has_side_width = false; |
| 486 |
foreach ( StylesSchema::BORDER_SIDES as $side ) { |
| 487 |
$value = self::read_range( $props, 'borderWidth' . $side ); |
| 488 |
$side_widths[ strtolower( $side ) ] = $value; |
| 489 |
if ( '' !== $value ) { |
| 490 |
$has_side_width = true; |
| 491 |
} |
| 492 |
} |
| 493 |
|
| 494 |
if ( '' !== $width ) { |
| 495 |
$css['border-width'] = $width; |
| 496 |
} |
| 497 |
foreach ( $side_widths as $side => $value ) { |
| 498 |
if ( '' !== $value ) { |
| 499 |
$css[ 'border-' . $side . '-width' ] = $value; |
| 500 |
} |
| 501 |
} |
| 502 |
|
| 503 |
// A width on any single side needs a style too, or it paints nothing. |
| 504 |
if ( '' !== $width || $has_side_width || '' !== $color ) { |
| 505 |
$css['border-style'] = '' !== $style ? $style : 'solid'; |
| 506 |
} elseif ( '' !== $style ) { |
| 507 |
// A style on its own is meaningful (e.g. `none` to remove a border). |
| 508 |
$css['border-style'] = $style; |
| 509 |
} |
| 510 |
|
| 511 |
if ( '' !== $color ) { |
| 512 |
$css['border-color'] = Color::get_css( $color ); |
| 513 |
} |
| 514 |
|
| 515 |
if ( '' !== $radius ) { |
| 516 |
$css['border-radius'] = $radius; |
| 517 |
} |
| 518 |
foreach ( StylesSchema::BORDER_CORNERS as $corner => $property ) { |
| 519 |
$value = self::read_range( $props, 'borderRadius' . $corner ); |
| 520 |
if ( '' !== $value ) { |
| 521 |
$css[ $property ] = $value; |
| 522 |
} |
| 523 |
} |
| 524 |
|
| 525 |
return $css; |
| 526 |
} |
| 527 |
|
| 528 |
/** |
| 529 |
* Compile padding/margin for one bucket via the aBlocks Dimensions control's |
| 530 |
* own get_css, so the output is identical to every other block's spacing. |
| 531 |
* The device argument is always '' — the bucket already is the device. |
| 532 |
*/ |
| 533 |
private static function spacing_css( $props, $prop ) { |
| 534 |
$obj = isset( $props[ $prop ] ) && is_array( $props[ $prop ] ) ? $props[ $prop ] : []; |
| 535 |
if ( empty( $obj ) ) { |
| 536 |
return []; |
| 537 |
} |
| 538 |
return Dimensions::get_css( $obj, $prop, '' ); |
| 539 |
} |
| 540 |
|
| 541 |
/** |
| 542 |
* Shared "Advanced" tab output: free-form Custom CSS (with a `selector` |
| 543 |
* placeholder for this block) + per-device visibility. $base is the block's |
| 544 |
* own selector. Mirrors the JS editor preview. |
| 545 |
*/ |
| 546 |
public static function advanced_css( $base, $attributes ) { |
| 547 |
$css = ''; |
| 548 |
|
| 549 |
// Custom CSS — `selector` resolves to this block; strip any </style> so |
| 550 |
// authored CSS can't break out of the inline <style> tag. |
| 551 |
$custom = isset( $attributes['customCSS'] ) ? (string) $attributes['customCSS'] : ''; |
| 552 |
if ( '' !== trim( $custom ) ) { |
| 553 |
$custom = str_replace( 'selector', $base, $custom ); |
| 554 |
$custom = preg_replace( '#</\s*style#i', '', $custom ); |
| 555 |
$css .= $custom; |
| 556 |
} |
| 557 |
|
| 558 |
/* |
| 559 |
* Responsive visibility — hide on desktop / tablet / mobile ranges. |
| 560 |
* |
| 561 |
* These deliberately stay EXCLUSIVE bands and do not follow the site's |
| 562 |
* `breakpoint_mode`. Visibility is not a cascading value: "hide on |
| 563 |
* tablet" must not also hide the block on mobile, so a max-width |
| 564 |
* envelope would be wrong here even when style rules cascade. |
| 565 |
*/ |
| 566 |
$hide = isset( $attributes['hideOn'] ) && is_array( $attributes['hideOn'] ) ? $attributes['hideOn'] : []; |
| 567 |
if ( ! empty( $hide['desktop'] ) || ! empty( $hide['tablet'] ) || ! empty( $hide['mobile'] ) ) { |
| 568 |
$bp = Helper::get_breakpoints(); |
| 569 |
$tablet = isset( $bp['tablet'] ) ? (int) $bp['tablet'] : 1024; |
| 570 |
$mobile = isset( $bp['mobile'] ) ? (int) $bp['mobile'] : 767; |
| 571 |
$none = $base . '{display:none !important;}'; |
| 572 |
if ( ! empty( $hide['desktop'] ) ) { |
| 573 |
$css .= '@media screen and (min-width:' . ( $tablet + 1 ) . 'px){' . $none . '}'; |
| 574 |
} |
| 575 |
if ( ! empty( $hide['tablet'] ) ) { |
| 576 |
$css .= '@media screen and (min-width:' . ( $mobile + 1 ) . 'px) and (max-width:' . $tablet . 'px){' . $none . '}'; |
| 577 |
} |
| 578 |
if ( ! empty( $hide['mobile'] ) ) { |
| 579 |
$css .= '@media screen and (max-width:' . $mobile . 'px){' . $none . '}'; |
| 580 |
} |
| 581 |
} |
| 582 |
|
| 583 |
return $css; |
| 584 |
} |
| 585 |
|
| 586 |
/** |
| 587 |
* Turn a declarations map into a minified declaration string. |
| 588 |
*/ |
| 589 |
public static function to_string( $declarations ) { |
| 590 |
$out = ''; |
| 591 |
foreach ( $declarations as $prop => $value ) { |
| 592 |
if ( '' !== $value && null !== $value ) { |
| 593 |
$out .= Helper::esc_css_value( $prop ) . ':' . Helper::esc_css_value( $value ) . ';'; |
| 594 |
} |
| 595 |
} |
| 596 |
return $out; |
| 597 |
} |
| 598 |
} |
| 599 |
|
