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<?php |
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|
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namespace Elementor\Modules\AtomicWidgets\Styles; |
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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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/** |
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* Represents a single stored local style (the first entry in an element's |
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* `styles` map) and knows how to render its variants into the MCP round-trip |
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* CSS string: top-level declarations for desktop, `&:state { ... }` for |
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* pseudo variants, and `@media(--<breakpoint>) { ... }` for non-desktop |
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* breakpoints — merged into one media block per breakpoint. |
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*/ |
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class Local_Style { |
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|
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const DESKTOP_BREAKPOINT = 'desktop'; |
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|
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private string $id; |
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|
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/** |
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* @var Local_Style_Variant[] |
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*/ |
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private array $variants; |
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|
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/** |
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* @param string $id |
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* @param Local_Style_Variant[] $variants |
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*/ |
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private function __construct( string $id, array $variants ) { |
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$this->id = $id; |
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$this->variants = $variants; |
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} |
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|
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public static function from_styles_map( array $styles ): ?self { |
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$entry = self::pick_first_entry( $styles ); |
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|
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if ( null === $entry ) { |
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return null; |
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} |
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|
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$raw_variants = is_array( $entry['variants'] ?? null ) ? $entry['variants'] : []; |
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|
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if ( empty( $raw_variants ) ) { |
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return null; |
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} |
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|
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$variants = array_map( |
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[ Local_Style_Variant::class, 'from_array' ], |
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$raw_variants |
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); |
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|
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return new self( (string) ( $entry['id'] ?? '' ), $variants ); |
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} |
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|
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public function id(): string { |
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return $this->id; |
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} |
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|
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public function to_css(): string { |
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$grouped = $this->group_variants_by_breakpoint(); |
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|
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$desktop_variants = $grouped[ self::DESKTOP_BREAKPOINT ] ?? []; |
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unset( $grouped[ self::DESKTOP_BREAKPOINT ] ); |
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|
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$sections = []; |
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|
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$desktop_css = $this->concat_fragments( $desktop_variants ); |
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if ( '' !== $desktop_css ) { |
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$sections[] = $desktop_css; |
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} |
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|
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foreach ( $grouped as $breakpoint => $variants ) { |
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$inner = $this->concat_fragments( $variants ); |
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|
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if ( '' === $inner ) { |
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continue; |
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} |
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|
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$sections[] = sprintf( '@media(--%s) { %s }', $breakpoint, $inner ); |
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} |
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|
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return implode( "\n", $sections ); |
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} |
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|
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/** |
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* @return array<string, Local_Style_Variant[]> |
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*/ |
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private function group_variants_by_breakpoint(): array { |
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$grouped = []; |
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|
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foreach ( $this->variants as $variant ) { |
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$grouped[ $variant->breakpoint() ][] = $variant; |
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} |
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|
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return $grouped; |
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} |
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|
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/** |
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* @param Local_Style_Variant[] $variants |
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*/ |
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private function concat_fragments( array $variants ): string { |
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$fragments = []; |
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|
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foreach ( $variants as $variant ) { |
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$fragment = $variant->to_css_fragment(); |
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|
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if ( '' !== $fragment ) { |
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$fragments[] = $fragment; |
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} |
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} |
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|
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return implode( ' ', $fragments ); |
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} |
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|
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private static function pick_first_entry( array $styles ): ?array { |
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if ( empty( $styles ) ) { |
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return null; |
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} |
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|
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$first = reset( $styles ); |
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|
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return is_array( $first ) ? $first : null; |
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} |
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} |
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|
