elementor / modules / atomic-widgets / props-resolver / transformers / styles / background-overlay-transformer.php

background-overlay-transformer.php in Elementor Website Builder – more than just a page builder 3.32.2, at modules/atomic-widgets/props-resolver/transformers/styles/background-overlay-transformer.php

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1	<?php
2
3	namespace Elementor\Modules\AtomicWidgets\PropsResolver\Transformers\Styles;
4
5	use Elementor\Modules\AtomicWidgets\PropsResolver\Multi_Props;
6	use Elementor\Modules\AtomicWidgets\PropsResolver\Props_Resolver_Context;
7	use Elementor\Modules\AtomicWidgets\PropsResolver\Transformer_Base;
8
9	if ( ! defined( 'ABSPATH' ) ) {
10	exit; // Exit if accessed directly.
11	}
12
13	class Background_Overlay_Transformer extends Transformer_Base {
14	public function transform( $value, Props_Resolver_Context $context ) {
15	$normalized_values = $this->normalize_overlay_values( $value );
16
17	if ( empty( $normalized_values ) ) {
18	return null;
19	}
20
21	return [
22	'background-image' => $this->get_values_string( $normalized_values, 'src', Background_Image_Overlay_Transformer::DEFAULT_IMAGE, true ),
23	'background-repeat' => $this->get_values_string( $normalized_values, 'repeat', Background_Image_Overlay_Transformer::DEFAULT_REPEAT ),
24	'background-attachment' => $this->get_values_string( $normalized_values, 'attachment', Background_Image_Overlay_Transformer::DEFAULT_ATTACHMENT ),
25	'background-size' => $this->get_values_string( $normalized_values, 'size', Background_Image_Overlay_Transformer::DEFAULT_SIZE ),
26	'background-position' => $this->get_values_string( $normalized_values, 'position', Background_Image_Overlay_Transformer::DEFAULT_POSITION ),
27	];
28	}
29
30	private function normalize_overlay_values( $overlays ): array {
31	$mapped_values = array_map( function( $value ) {
32	if ( is_string( $value ) ) {
33	return [
34	'src' => $value,
35	'repeat' => null,
36	'attachment' => null,
37	'size' => null,
38	'position' => null,
39	];
40	}
41
42	return $value;
43	}, $overlays );
44
45	return array_filter( $mapped_values, function( $value ) {
46	return is_array( $value ) && ! empty( $value['src'] );
47	} );
48	}
49
50	private function get_values_string( $value, string $prop, string $default_value, bool $prevent_unification = false ) {
51	$is_empty = empty( array_filter( $value, function ( array $item ) use ( $prop ) {
52	return isset( $item[ $prop ] ) && ! is_null( $item[ $prop ] );
53	} ) );
54
55	if ( $is_empty ) {
56	return $default_value;
57	}
58
59	$formatted_values = array_map( function ( $item ) use ( $prop, $default_value ) {
60	if ( is_string( $item ) ) {
61	return $default_value;
62	}
63
64	if ( ! is_array( $item ) ) {
65	return $default_value;
66	}
67
68	return $item[ $prop ] ?? $default_value;
69	}, $value );
70
71	if ( ! $prevent_unification ) {
72	$all_same = count( array_unique( $formatted_values ) ) === 1;
73
74	if ( $all_same ) {
75	return $formatted_values[0];
76	}
77	}
78
79	return implode( ',', $formatted_values );
80	}
81	}
82