elementor / core / responsive / files / frontend.php

frontend.php in Elementor Website Builder – more than just a page builder 3.3.1, at core/responsive/files/frontend.php

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1	<?php
2
3	namespace Elementor\Core\Responsive\Files;
4
5	use Elementor\Core\Breakpoints\Breakpoint;
6	use Elementor\Core\Files\Base;
7	use Elementor\Core\Responsive\Responsive;
8	use Elementor\Plugin;
9
10	if ( ! defined( 'ABSPATH' ) ) {
11	exit; // Exit if accessed directly
12	}
13
14	class Frontend extends Base {
15
16	const META_KEY = 'elementor-custom-breakpoints-files';
17
18	private $template_file;
19
20	/**
21	* @since 2.1.0
22	* @access public
23	*/
24	public function __construct( $file_name, $template_file = null ) {
25	$this->template_file = $template_file;
26
27	parent::__construct( $file_name );
28	}
29
30	/**
31	* @since 2.1.0
32	* @access public
33	*/
34	public function parse_content() {
35	$breakpoints = Plugin::$instance->breakpoints->get_active_breakpoints();
36
37	$breakpoints_keys = array_keys( $breakpoints );
38
39	$file_content = file_get_contents( $this->template_file );
40
41	$file_content = preg_replace_callback( '/ELEMENTOR_SCREEN_([A-Z_]+)(?:_(MIN\|MAX\|NEXT))/', function ( $placeholder_data ) use ( $breakpoints_keys, $breakpoints ) {
42	// Handle BC for legacy template files and Elementor Pro builds.
43	$placeholder_data = $this->maybe_convert_placeholder_data( $placeholder_data );
44
45	if ( 'DESKTOP' === $placeholder_data[1] ) {
46	$value = Plugin::$instance->breakpoints->get_desktop_min_point();
47	} else {
48	$breakpoint_index = array_search( strtolower( $placeholder_data[1] ), $breakpoints_keys, true );
49
50	// Handle cases where a placeholder is found for an additional breakpoint that isn't active.
51	if ( false === $breakpoint_index ) {
52	$value = -1;
53	} else {
54	$is_max_point = 'MAX' === $placeholder_data[2];
55
56	// If the placeholder capture is `MOBILE_NEXT` or `TABLET_NEXT`, the original breakpoint value is used.
57	if ( ! $is_max_point && 'NEXT' !== $placeholder_data[2] ) {
58	$breakpoint_index--;
59	}
60
61	$value = $breakpoints[ $breakpoints_keys[ $breakpoint_index ] ]->get_value();
62
63	if ( ! $is_max_point ) {
64	$value++;
65	}
66	}
67	}
68
69	return $value . 'px';
70	}, $file_content );
71
72	return $file_content;
73	}
74
75	/**
76	* Load meta.
77	*
78	* Retrieve the file meta data.
79	*
80	* @since 2.1.0
81	* @access protected
82	*/
83	protected function load_meta() {
84	$option = $this->load_meta_option();
85
86	$file_meta_key = $this->get_file_meta_key();
87
88	if ( empty( $option[ $file_meta_key ] ) ) {
89	return [];
90	}
91
92	return $option[ $file_meta_key ];
93	}
94
95	/**
96	* Update meta.
97	*
98	* Update the file meta data.
99	*
100	* @since 2.1.0
101	* @access protected
102	*
103	* @param array $meta New meta data.
104	*/
105	protected function update_meta( $meta ) {
106	$option = $this->load_meta_option();
107
108	$option[ $this->get_file_meta_key() ] = $meta;
109
110	update_option( static::META_KEY, $option );
111	}
112
113	/**
114	* Delete meta.
115	*
116	* Delete the file meta data.
117	*
118	* @since 2.1.0
119	* @access protected
120	*/
121	protected function delete_meta() {
122	$option = $this->load_meta_option();
123
124	$file_meta_key = $this->get_file_meta_key();
125
126	if ( isset( $option[ $file_meta_key ] ) ) {
127	unset( $option[ $file_meta_key ] );
128	}
129
130	if ( $option ) {
131	update_option( static::META_KEY, $option );
132	} else {
133	delete_option( static::META_KEY );
134	}
135	}
136
137	/**
138	* @since 2.1.0
139	* @access private
140	*/
141	private function get_file_meta_key() {
142	return pathinfo( $this->get_file_name(), PATHINFO_FILENAME );
143	}
144
145	/**
146	* @since 2.1.0
147	* @access private
148	*/
149	private function load_meta_option() {
150	$option = get_option( static::META_KEY );
151
152	if ( ! $option ) {
153	$option = [];
154	}
155
156	return $option;
157	}
158
159	/**
160	* Maybe Convert Placeholder Data
161	*
162	* Converts responsive placeholders in Elementor CSS template files from the legacy format into the new format.
163	* Used for backwards compatibility for old Pro versions that were built with an Elementor Core version <3.2.0.
164	*
165	* @since 3.2.3
166	*
167	* @param $placeholder_data
168	* @return mixed
169	*/
170	private function maybe_convert_placeholder_data( $placeholder_data ) {
171	switch ( $placeholder_data[1] ) {
172	case 'SM':
173	$placeholder_data[1] = 'MOBILE';
174	break;
175	case 'MD':
176	$placeholder_data[1] = 'TABLET';
177	break;
178	case 'LG':
179	$placeholder_data[1] = 'DESKTOP';
180	}
181
182	return $placeholder_data;
183	}
184	}
185