elementor / modules / global-classes / global-classes-labels.php

global-classes-labels.php in Elementor Website Builder – more than just a page builder 4.3.0-beta3, at modules/global-classes/global-classes-labels.php

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1	<?php
2
3	namespace Elementor\Modules\GlobalClasses;
4
5	use Elementor\Core\Kits\Documents\Kit;
6	use Elementor\Core\Kits\Concerns\Has_Kit_Dependency;
7	use Elementor\Modules\GlobalClasses\Concerns\Has_Preview_Context;
8
9	if ( ! defined( 'ABSPATH' ) ) {
10	exit;
11	}
12
13	class Global_Classes_Labels {
14	use Has_Kit_Dependency;
15	use Has_Preview_Context;
16
17	const META_KEY_FRONTEND = '_elementor_global_classes_labels';
18	const META_KEY_PREVIEW = '_elementor_global_classes_labels_preview';
19
20	const META_KEY = self::META_KEY_FRONTEND;
21
22	protected array $context_keys = [
23	'labels' => [
24	'frontend' => self::META_KEY_FRONTEND,
25	'preview' => self::META_KEY_PREVIEW,
26	],
27	];
28
29	private ?array $cache = null;
30
31	private function __construct() {
32	}
33
34	public static function make( Kit $kit ): self {
35	return ( new self() )->set_kit( $kit );
36	}
37
38	protected function on_preview_change(): void {
39	$this->cache = null;
40	}
41
42	public function get_labels(): array {
43	$stored = $this->read_stored();
44
45	if ( empty( $stored ) ) {
46	return [];
47	}
48
49	return $stored;
50	}
51
52	public function get_ordered_labels(): array {
53	$order = Global_Classes_Order::make( $this->get_kit() )->set_preview( $this->is_preview() )->get_order();
54	$map = $this->get_labels();
55
56	if ( $this->is_preview() ) {
57	$frontend_map = self::make( $this->get_kit() )->get_labels();
58	foreach ( $order as $id ) {
59	if ( ! isset( $map[ $id ] ) && isset( $frontend_map[ $id ] ) ) {
60	$map[ $id ] = $frontend_map[ $id ];
61	}
62	}
63	}
64
65	$result = [];
66
67	foreach ( $order as $id ) {
68	if ( isset( $map[ $id ] ) ) {
69	$result[ $id ] = $map[ $id ];
70	}
71	}
72
73	return $result;
74	}
75
76	public static function generate_unique_label( string $label, array $existing_labels ): string {
77	$prefix = 'DUP_';
78	$max_length = 50;
79
80	$has_prefix = str_starts_with( $label, $prefix );
81
82	if ( $has_prefix ) {
83	$base = substr( $label, strlen( $prefix ) );
84	$counter = 1;
85	$candidate = $prefix . $base . $counter;
86
87	while ( in_array( $candidate, $existing_labels, true ) ) {
88	$candidate = $prefix . $base . ( ++$counter );
89	}
90
91	if ( strlen( $candidate ) > $max_length ) {
92	$base = substr( $base, 0, $max_length - strlen( $prefix . $counter ) );
93	$candidate = $prefix . $base . $counter;
94	}
95
96	return $candidate;
97	}
98
99	$available_length = strlen( $label );
100	$candidate = $prefix . $label;
101
102	if ( strlen( $candidate ) > $max_length ) {
103	$available_length = $max_length - strlen( $prefix );
104	$candidate = $prefix . substr( $label, 0, $available_length );
105	}
106
107	$base = substr( $label, 0, $available_length );
108	$counter = 1;
109
110	while ( in_array( $candidate, $existing_labels, true ) ) {
111	$candidate = $prefix . $base . $counter;
112
113	if ( strlen( $candidate ) > $max_length ) {
114	$base = substr( $label, 0, $max_length - strlen( $prefix . $counter ) );
115	$candidate = $prefix . $base . $counter;
116	}
117
118	++$counter;
119	}
120
121	return $candidate;
122	}
123
124	public function set_labels( array $id_to_label ): bool {
125	$kit = $this->get_kit();
126
127	if ( ! $kit ) {
128	return false;
129	}
130
131	$result = $kit->update_meta( $this->get_context_key( 'labels' ), $id_to_label );
132	$this->cache = $id_to_label;
133
134	return false !== $result;
135	}
136
137	private function read_stored(): array {
138	if ( null !== $this->cache ) {
139	return $this->cache;
140	}
141
142	$kit = $this->get_kit();
143
144	if ( ! $kit ) {
145	$this->cache = [];
146
147	return [];
148	}
149
150	$raw = $kit->get_meta( $this->get_context_key( 'labels' ) );
151	$this->cache = is_array( $raw ) ? $raw : [];
152
153	return $this->cache;
154	}
155	}
156