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<?php
namespace Elementor\Modules\AtomicWidgets\Styles;
use Elementor\Core\Utils\Collection;
use Elementor\Modules\AtomicWidgets\Module;
use Elementor\Plugin;
use Elementor\Utils;
use Elementor\Modules\AtomicWidgets\PropsResolver\Render_Props_Resolver;
class Styles_Renderer {
const DEFAULT_SELECTOR_PREFIX = '.elementor';
/**
* @var array<string, array{direction: 'min' | 'max', value: int, is_enabled: boolean}>
*/
private array $breakpoints;
private $on_prop_transform;
private string $selector_prefix;
/**
* @param array<string, array{direction: 'min' | 'max', value: int, is_enabled: boolean}> $breakpoints
* @param string $selector_prefix
*/
private function __construct( array $breakpoints, string $selector_prefix = self::DEFAULT_SELECTOR_PREFIX ) {
$this->breakpoints = $breakpoints;
$this->selector_prefix = $selector_prefix;
}
public static function make( array $breakpoints, string $selector_prefix = self::DEFAULT_SELECTOR_PREFIX ): self {
return new self( $breakpoints, $selector_prefix );
}
/**
* Render the styles to a CSS string.
*
* Styles format:
* array<int, array{
* id: string,
* type: string,
* cssName: string | null,
* variants: array<int, array{
* props: array<string, mixed>,
* meta: array<string, mixed>
* }>
* }>
*
* @param array $styles Array of style definitions.
*
* @return string Rendered CSS string.
*/
public function render( array $styles ): string {
$css_style = [];
foreach ( $styles as $style_def ) {
$style = $this->style_definition_to_css_string( $style_def );
$css_style[] = $style;
}
return implode( '', $css_style );
}
public function on_prop_transform( callable $callback ): self {
$this->on_prop_transform = $callback;
return $this;
}
private function style_definition_to_css_string( array $style ): string {
$base_selector = $this->get_base_selector( $style );
if ( ! $base_selector ) {
return '';
}
$stylesheet = [];
foreach ( $style['variants'] as $variant ) {
$style_declaration = $this->variant_to_css_string( $base_selector, $variant );
if ( $style_declaration ) {
$stylesheet[] = $style_declaration;
}
}
return implode( '', $stylesheet );
}
private function get_base_selector( array $style_def ): ?string {
$map = [
'class' => '.',
];
if (
isset( $style_def['type'] ) &&
isset( $style_def['id'] ) &&
isset( $map[ $style_def['type'] ] ) &&
$style_def['id']
) {
$type = $map[ $style_def['type'] ];
$name = $style_def['cssName'] ?? $style_def['id'];
$selector_parts = array_filter( [
$this->selector_prefix,
"{$type}{$name}",
] );
return implode( ' ', $selector_parts );
}
return null;
}
private function variant_to_css_string( string $base_selector, array $variant ): string {
$css = $this->props_to_css_string( $variant['props'] ) ?? '';
$custom_css = $this->custom_css_to_css_string( $variant['custom_css'] ?? null );
if ( ! $css && ! $custom_css ) {
return '';
}
$state = isset( $variant['meta']['state'] ) ? ':' . $variant['meta']['state'] : '';
$selector = $base_selector . $state;
$style_declaration = $selector . '{' . $css . $custom_css . '}';
if ( isset( $variant['meta']['breakpoint'] ) ) {
$style_declaration = $this->wrap_with_media_query( $variant['meta']['breakpoint'], $style_declaration );
}
return $style_declaration;
}
private function props_to_css_string( array $props ): string {
$schema = Style_Schema::get();
return Collection::make( Render_Props_Resolver::for_styles()->resolve( $schema, $props ) )
->filter()
->map( function ( $value, $prop ) {
if ( $this->on_prop_transform ) {
call_user_func( $this->on_prop_transform, $prop, $value );
}
return $prop . ':' . $value . ';';
} )
->implode( '' );
}
private function custom_css_to_css_string( ?array $custom_css ): string {
$is_feature_active = Plugin::$instance->experiments->is_feature_active( Module::EXPERIMENT_CUSTOM_CSS );
return $is_feature_active && ! empty( $custom_css['raw'] )
? Utils::decode_string( $custom_css['raw'], '' ) . '\n'
: '';
}
private function wrap_with_media_query( string $breakpoint_id, string $css ): string {
if ( ! isset( $this->breakpoints[ $breakpoint_id ] ) ) {
return $css;
}
$breakpoint = $this->breakpoints[ $breakpoint_id ];
if ( isset( $breakpoint['is_enabled'] ) && ! $breakpoint['is_enabled'] ) {
return '';
}
$query = $this->get_media_query( $this->breakpoints[ $breakpoint_id ] );
return $query ? $query . '{' . $css . '}' : $css;
}
public static function get_media_query( $breakpoint ): ?string {
if ( isset( $breakpoint['is_enabled'] ) && ! $breakpoint['is_enabled'] ) {
return null;
}
$size = self::get_breakpoint_size( $breakpoint );
return $size ? '@media(' . $size . ')' : null;
}
private static function get_breakpoint_size( array $breakpoint ): ?string {
$bound = 'min' === $breakpoint['direction'] ? 'min-width' : 'max-width';
$width = $breakpoint['value'] . 'px';
return "{$bound}:{$width}";
}
}
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