<?php
namespace Elementor\Modules\AtomicWidgets\PropsResolver\Transformers\Styles;
use Elementor\Modules\AtomicWidgets\PropsResolver\Multi_Props;
use Elementor\Modules\AtomicWidgets\PropsResolver\Props_Resolver_Context;
use Elementor\Modules\AtomicWidgets\PropsResolver\Transformer_Base;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
class Background_Overlay_Transformer extends Transformer_Base {
public function transform( $value, Props_Resolver_Context $context ) {
$normalized_values = $this->normalize_overlay_values( $value );
return array_filter( [
'background-image' => $this->get_values_string( $normalized_values, 'src', Background_Image_Overlay_Transformer::DEFAULT_IMAGE, true ),
'background-repeat' => $this->get_values_string( $normalized_values, 'repeat', Background_Image_Overlay_Transformer::DEFAULT_REPEAT ),
'background-attachment' => $this->get_values_string( $normalized_values, 'attachment', Background_Image_Overlay_Transformer::DEFAULT_ATTACHMENT ),
'background-size' => $this->get_values_string( $normalized_values, 'size', Background_Image_Overlay_Transformer::DEFAULT_SIZE ),
'background-position' => $this->get_values_string( $normalized_values, 'position', Background_Image_Overlay_Transformer::DEFAULT_POSITION ),
] );
}
private function normalize_overlay_values( $overlays ): array {
$mapped_values = array_map( function( $value ) {
if ( is_string( $value ) ) {
return [
'src' => $value,
'repeat' => null,
'attachment' => null,
'size' => null,
'position' => null,
];
}
return $value;
}, $overlays );
return array_filter( $mapped_values, function( $value ) {
return is_array( $value ) && ! empty( $value['src'] );
} );
}
private function get_values_string( $value, string $prop, string $default_value, bool $prevent_unification = false ) {
$is_empty = empty( array_filter( $value, function ( array $item ) use ( $prop ) {
return isset( $item[ $prop ] ) && ! is_null( $item[ $prop ] );
} ) );
if ( $is_empty ) {
return null;
}
$formatted_values = array_map( function ( $item ) use ( $prop, $default_value ) {
if ( is_string( $item ) ) {
return $default_value;
}
if ( ! is_array( $item ) ) {
return $default_value;
}
return $item[ $prop ] ?? $default_value;
}, $value );
if ( ! $prevent_unification ) {
$all_same = count( array_unique( $formatted_values ) ) === 1;
if ( $all_same ) {
return $formatted_values[0];
}
}
return implode( ',', $formatted_values );
}
}