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 3.29.0-beta4, 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	return array_filter( [
18	'background-image' => $this->get_values_string( $normalized_values, 'src', Background_Image_Overlay_Transformer::DEFAULT_IMAGE, true ),
19	'background-repeat' => $this->get_values_string( $normalized_values, 'repeat', Background_Image_Overlay_Transformer::DEFAULT_REPEAT ),
20	'background-attachment' => $this->get_values_string( $normalized_values, 'attachment', Background_Image_Overlay_Transformer::DEFAULT_ATTACHMENT ),
21	'background-size' => $this->get_values_string( $normalized_values, 'size', Background_Image_Overlay_Transformer::DEFAULT_SIZE ),
22	'background-position' => $this->get_values_string( $normalized_values, 'position', Background_Image_Overlay_Transformer::DEFAULT_POSITION ),
23	] );
24	}
25
26	private function normalize_overlay_values( $overlays ): array {
27	return array_map( function( $value ) {
28	if ( is_string( $value ) ) {
29	return [
30	'src' => $value,
31	'repeat' => null,
32	'attachment' => null,
33	'size' => null,
34	'position' => null,
35	];
36	}
37
38	return $value;
39	}, $overlays );
40	}
41
42	private function get_values_string( $value, string $prop, string $default_value, bool $prevent_unification = false ) {
43	$is_empty = empty( array_filter( $value, function ( array $item ) use ( $prop ) {
44	return isset( $item[ $prop ] ) && ! is_null( $item[ $prop ] );
45	} ) );
46
47	if ( $is_empty ) {
48	return null;
49	}
50
51	$formatted_values = array_map( function ( $item ) use ( $prop, $default_value ) {
52	if ( is_string( $item ) ) {
53	return $default_value;
54	}
55
56	if ( ! is_array( $item ) ) {
57	return $default_value;
58	}
59
60	return $item[ $prop ] ?? $default_value;
61	}, $value );
62
63	if ( ! $prevent_unification ) {
64	$all_same = count( array_unique( $formatted_values ) ) === 1;
65
66	if ( $all_same ) {
67	return $formatted_values[0];
68	}
69	}
70
71	return implode( ',', $formatted_values );
72	}
73	}
74