1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
<?php
namespace Elementor\Core\Responsive\Files;
use Elementor\Core\Breakpoints\Breakpoint;
use Elementor\Core\Files\Base;
use Elementor\Core\Responsive\Responsive;
use Elementor\Plugin;
use Elementor\Utils;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
class Frontend extends Base {
const META_KEY = 'elementor-custom-breakpoints-files';
private $template_file;
/**
* @since 2.1.0
* @access public
*/
public function __construct( $file_name, $template_file = null ) {
$this->template_file = $template_file;
parent::__construct( $file_name );
}
/**
* @since 2.1.0
* @access public
*/
public function parse_content() {
$breakpoints = Plugin::$instance->breakpoints->get_active_breakpoints();
$breakpoints_keys = array_keys( $breakpoints );
$file_content = Utils::file_get_contents( $this->template_file );
// The regex pattern parses placeholders located in the frontend _templates.scss file.
$file_content = preg_replace_callback( '/ELEMENTOR_SCREEN_([A-Z_]+)(?:_(MIN|MAX|NEXT))/', function ( $placeholder_data ) use ( $breakpoints_keys, $breakpoints ) {
// Handle BC for legacy template files and Elementor Pro builds.
$placeholder_data = $this->maybe_convert_placeholder_data( $placeholder_data );
$breakpoint_index = array_search( strtolower( $placeholder_data[1] ), $breakpoints_keys, true );
if ( 'DESKTOP' === $placeholder_data[1] ) {
if ( 'MIN' === $placeholder_data[2] ) {
$value = Plugin::$instance->breakpoints->get_desktop_min_point();
} elseif ( isset( $breakpoints['widescreen'] ) ) {
// If the 'widescreen' breakpoint is active, the Desktop's max value is the Widescreen breakpoint - 1px.
$value = $breakpoints['widescreen']->get_value() - 1;
} else {
// If the 'widescreen' breakpoint is not active, the Desktop device should not have a max value.
$value = 99999;
}
} elseif ( false === $breakpoint_index ) {
// If the breakpoint in the placeholder is not active - use a -1 value for the media query, to make
// sure the setting is printed (to avoid a PHP error) but doesn't apply.
return -1;
} elseif ( 'WIDESCREEN' === $placeholder_data[1] ) {
$value = $breakpoints['widescreen']->get_value();
} else {
$breakpoint_index = array_search( strtolower( $placeholder_data[1] ), $breakpoints_keys, true );
$is_max_point = 'MAX' === $placeholder_data[2];
// If the placeholder capture is `MOBILE_NEXT` or `TABLET_NEXT`, the original breakpoint value is used.
if ( ! $is_max_point && 'NEXT' !== $placeholder_data[2] ) {
$breakpoint_index--;
}
$value = $breakpoints[ $breakpoints_keys[ $breakpoint_index ] ]->get_value();
if ( ! $is_max_point ) {
$value++;
}
}
return $value . 'px';
}, $file_content );
return $file_content;
}
/**
* Load meta.
*
* Retrieve the file meta data.
*
* @since 2.1.0
* @access protected
*/
protected function load_meta() {
$option = $this->load_meta_option();
$file_meta_key = $this->get_file_meta_key();
if ( empty( $option[ $file_meta_key ] ) ) {
return [];
}
return $option[ $file_meta_key ];
}
/**
* Update meta.
*
* Update the file meta data.
*
* @since 2.1.0
* @access protected
*
* @param array $meta New meta data.
*/
protected function update_meta( $meta ) {
$option = $this->load_meta_option();
$option[ $this->get_file_meta_key() ] = $meta;
update_option( static::META_KEY, $option );
}
/**
* Delete meta.
*
* Delete the file meta data.
*
* @since 2.1.0
* @access protected
*/
protected function delete_meta() {
$option = $this->load_meta_option();
$file_meta_key = $this->get_file_meta_key();
if ( isset( $option[ $file_meta_key ] ) ) {
unset( $option[ $file_meta_key ] );
}
if ( $option ) {
update_option( static::META_KEY, $option );
} else {
delete_option( static::META_KEY );
}
}
/**
* @since 2.1.0
* @access private
*/
private function get_file_meta_key() {
return pathinfo( $this->get_file_name(), PATHINFO_FILENAME );
}
/**
* @since 2.1.0
* @access private
*/
private function load_meta_option() {
$option = get_option( static::META_KEY );
if ( ! $option ) {
$option = [];
}
return $option;
}
/**
* Maybe Convert Placeholder Data
*
* Converts responsive placeholders in Elementor CSS template files from the legacy format into the new format.
* Used for backwards compatibility for old Pro versions that were built with an Elementor Core version <3.2.0.
*
* @since 3.2.3
*
* @param $placeholder_data
* @return mixed
*/
private function maybe_convert_placeholder_data( $placeholder_data ) {
switch ( $placeholder_data[1] ) {
case 'SM':
$placeholder_data[1] = 'MOBILE';
break;
case 'MD':
$placeholder_data[1] = 'TABLET';
break;
case 'LG':
$placeholder_data[1] = 'DESKTOP';
}
return $placeholder_data;
}
}
|