class-frontend.php — Responsive Lightbox & Gallery 2.2.2

responsive-lightbox / includes / class-frontend.php

responsive-lightbox / includes Last commit date

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class-frontend.php

2092 lines

1	<?php
2	// exit if accessed directly
3	if ( ! defined( 'ABSPATH' ) )
4	exit;
5
6	new Responsive_Lightbox_Frontend();
7
8	/**
9	* Responsive Lightbox frontend class.
10	*
11	* @class Responsive_Lightbox_Frontend
12	*/
13	class Responsive_Lightbox_Frontend {
14
15	public $gallery_no = 0;
16
17	public function __construct() {
18	// set instance
19	Responsive_Lightbox()->frontend = $this;
20
21	// actions
22	add_action( 'wp_enqueue_scripts', array( $this, 'wp_enqueue_scripts' ), 100 );
23	add_action( 'rl_before_gallery', array( $this, 'before_gallery' ), 10, 2 );
24	add_action( 'rl_after_gallery', array( $this, 'after_gallery' ), 10, 2 );
25	add_action( 'after_setup_theme', array( $this, 'woocommerce_gallery_init' ), 1000 );
26
27	// filters
28	add_filter( 'rl_gallery_container_class', array( $this, 'gallery_container_class' ), 10, 3 );
29	add_filter( 'the_content', array( $this, 'gallery_preview' ) );
30	add_filter( 'the_content', array( $this, 'add_lightbox' ) );
31	add_filter( 'wp_get_attachment_link', array( $this, 'wp_get_attachment_link' ), 1000, 6 );
32	add_filter( 'get_comment_text', array( $this, 'get_comment_text' ) );
33	add_filter( 'dynamic_sidebar_params', array( $this, 'dynamic_sidebar_params' ) );
34	add_filter( 'rl_widget_output', array( $this, 'widget_output' ), 10, 3 );
35	add_filter( 'post_gallery', array( $this, 'gallery_attributes' ), 1000, 2 );
36	add_filter( 'post_gallery', array( $this, 'basic_grid_gallery_shortcode' ), 1001, 2 );
37	add_filter( 'post_gallery', array( $this, 'basic_slider_gallery_shortcode' ), 1001, 2 );
38	add_filter( 'post_gallery', array( $this, 'basic_masonry_gallery_shortcode' ), 1001, 2 );
39	add_filter( 'post_gallery', array( $this, 'force_custom_gallery_lightbox' ), 2000 );
40
41	// visual composer
42	add_filter( 'vc_shortcode_content_filter_after', array( $this, 'vc_shortcode_content_filter_after' ), 10, 2 );
43
44	// woocommerce
45	add_filter( 'woocommerce_single_product_image_html', array( $this, 'woocommerce_single_product_image_html' ), 100 );
46	add_filter( 'woocommerce_single_product_image_thumbnail_html', array( $this, 'woocommerce_single_product_image_thumbnail_html' ), 100 );
47	}
48
49	/**
50	* Add lightbox to images, galleries and videos.
51	*
52	* @param string $content HTML content
53	* @return string Changed HTML content
54	*/
55	public function add_lightbox( $content ) {
56	// get current script
57	$script = Responsive_Lightbox()->options['settings']['script'];
58
59	// prepare arguments
60	$args = array(
61	'selector' => Responsive_Lightbox()->options['settings']['selector'],
62	'script' => $script,
63	'settings' => array(
64	'script' => Responsive_Lightbox()->options['configuration'][$script],
65	'plugin' => Responsive_Lightbox()->options['settings']
66	),
67	'supports' => Responsive_Lightbox()->settings->scripts[$script]['supports']
68	);
69
70	// workaround for builder galleries to bypass images_as_gallery option, applied only to rl_gallery posts
71	if ( is_singular( 'rl_gallery' ) )
72	$args['settings']['plugin']['images_as_gallery'] = true;
73
74	// search for links containing data-rl_content attribute
75	preg_match_all( '/<a.?data-rl_content=(?:\'\|")(.?)(?:\'\|").*?>/i', $content, $links );
76
77	// found any links?
78	if ( ! empty ( $links[0] ) ) {
79	foreach ( $links[0] as $link_number => $link ) {
80	// set content type
81	$args['content'] = $links[1][$link_number];
82
83	// set link number
84	$args['link_number'] = $link_number;
85
86	// update link
87	$content = str_replace( $link, $this->lightbox_content_link( $link, $args ), $content );
88	}
89	}
90
91	// images
92	if ( $args['settings']['plugin']['image_links'] \|\| $args['settings']['plugin']['images_as_gallery'] \|\| $args['settings']['plugin']['force_custom_gallery'] ) {
93	// search for image links
94	preg_match_all( '/<a([^<]?)href=(?:\'\|")([^<]?)\.(bmp\|gif\|jpeg\|jpg\|png\|webp)(?:\'\|")(.*?)>/is', $content, $links );
95
96	// found any links?
97	if ( ! empty ( $links[0] ) ) {
98	// generate hash for single images gallery
99	if ( $args['settings']['plugin']['images_as_gallery'] )
100	$args['rel_hash'] = '-gallery-' . $this->generate_hash();
101	else
102	$args['rel_hash'] = '';
103
104	foreach ( $links[0] as $link_number => $link ) {
105	// get attachment id
106	$args['image_id'] = $this->get_attachment_id_by_url( $links[2][$link_number] . '.' . $links[3][$link_number] );
107
108	// set link number
109	$args['link_number'] = $link_number;
110
111	// link parts
112	$args['link_parts'] = array( $links[1][$link_number], $links[2][$link_number], $links[3][$link_number], $links[4][$link_number] );
113
114	// get title type
115	$title_arg = $args['settings']['plugin']['force_custom_gallery'] ? $args['settings']['plugin']['gallery_image_title'] : $args['settings']['plugin']['image_title'];
116
117	// update title if needed
118	if ( $title_arg !== 'default' && $args['image_id'] )
119	$args['title'] = $this->get_attachment_title( $args['image_id'], apply_filters( 'rl_lightbox_attachment_image_title_arg', $title_arg, $args['image_id'], $links[2][$link_number] . '.' . $links[3][$link_number] ) );
120	else
121	$args['title'] = '';
122
123	// get caption type
124	$caption_arg = $args['settings']['plugin']['force_custom_gallery'] ? $args['settings']['plugin']['gallery_image_caption'] : $args['settings']['plugin']['image_caption'];
125
126	// update caption if needed
127	if ( $caption_arg !== 'default' && $args['image_id'] )
128	$args['caption'] = $this->get_attachment_title( $args['image_id'], apply_filters( 'rl_lightbox_attachment_image_title_arg', $caption_arg, $args['image_id'], $links[2][$link_number] . '.' . $links[3][$link_number] ) );
129	else
130	$args['caption'] = '';
131
132	// update link
133	$content = str_replace( $link, $this->lightbox_image_link( $link, $args ), $content );
134	}
135	}
136	}
137
138	// videos
139	if ( $args['settings']['plugin']['videos'] ) {
140	// search for video links
141	preg_match_all('/<a(.?)href=(?:\'\|")((http\|https)(?::\/\/\|)(?:(?:(?:youtu\.be\/\|(?:www\.)?youtube\.com\/)(?:embed\/\|v\/\|watch\?v=)?([\w-]{11})(?:\?)?([a-z0-9;:@#&%=+\/\$_.-]))\|(?:(?:www\.)?vimeo\.com\/([0-9]+)(?:\?)?([a-z0-9;:@#&%=+\/\$_.-]))))(?:\'\|")(.?)>/i', $content, $links );
142
143	// set empty video arguments
144	$args['video_id'] = $args['video_type'] = $args['video_query'] = $args['video_protocol'] = '';
145
146	// found any links?
147	if ( ! empty ( $links[0] ) ) {
148	foreach ( $links[0] as $link_number => $link ) {
149	// youtube?
150	if ( $links[4][$link_number] !== '' ) {
151	$args['video_id'] = $links[4][$link_number];
152	$args['video_type'] = 'youtube';
153	$args['video_query'] = $links[5][$link_number];
154	// vimeo?
155	} elseif ( $links[6][$link_number] !== '' ) {
156	$args['video_id'] = $links[6][$link_number];
157	$args['video_type'] = 'vimeo';
158	$args['video_query'] = $links[7][$link_number];
159	}
160
161	// set video protocol
162	$args['video_protocol'] = $links[3][$link_number];
163
164	// set link number
165	$args['link_number'] = $link_number;
166
167	// link parts
168	$args['link_parts'] = array( $links[1][$link_number], $links[2][$link_number], $links[8][$link_number] );
169
170	// update link
171	$content = str_replace( $link, $this->lightbox_video_link( $link, $args ), $content );
172	}
173	}
174	}
175
176	return $content;
177	}
178
179	/**
180	* Add lightbox to video links.
181	*
182	* @param string $link Video link
183	* @param array $args Link arguments
184	* @return string Updated video link
185	*/
186	public function lightbox_video_link( $link, $args ) {
187	// link already contains data-rel attribute?
188	if ( preg_match( '/<a.?(?:data-rel)=(?:\'\|")(.?)(?:\'\|").*?>/is', $link, $result ) === 1 ) {
189	// allow to modify link?
190	if ( $result[1] !== 'norl' ) {
191	// swipebox video fix
192	if ( $args['script'] === 'swipebox' && $args['video_type'] === 'vimeo' )
193	$link = str_replace( $args['link_parts'][1], add_query_arg( 'width', $args['settings']['script']['video_max_width'], $args['link_parts'][1] ), $link );
194
195	// replace data-rel
196	$link = preg_replace( '/data-rel=(\'\|")(.*?)(\'\|")/', 'data-rel="' . $args['selector'] . '-video-' . $args['link_number'] . '"', $link );
197
198	if ( $args['script'] === 'magnific' )
199	$link = preg_replace( '/(<a.*?)>/is', '$1 data-magnific_type="video">', $link );
200	}
201	} else {
202	// swipebox video fix
203	if ( $args['script'] === 'swipebox' && $args['video_type'] === 'vimeo' )
204	$args['link_parts'][1] = add_query_arg( 'width', $args['settings']['script']['video_max_width'], $args['link_parts'][1] );
205
206	// add data-rel
207	$link = '<a' . $args['link_parts'][0] . 'href="' . $args['link_parts'][1] . '" data-rel="' . $args['selector'] . '-video-' . $args['link_number'] . '"' . $args['link_parts'][2] . '>';
208
209	if ( $args['script'] === 'magnific' )
210	$link = preg_replace( '/(<a.*?)>/is', '$1 data-magnific_type="video">', $link );
211	}
212
213	return apply_filters( 'rl_lightbox_video_link', $link, $args );
214	}
215
216	/**
217	* Add lightbox to image links.
218	*
219	* @param string $link Image link
220	* @param array $args Link arguments
221	* @return string Updated image link
222	*/
223	public function lightbox_image_link( $link, $args ) {
224	if ( rl_current_lightbox_supports( 'html_caption' ) ) {
225	$title = esc_attr( trim ( nl2br( $args['title'] ) ) );
226	$caption = esc_attr( trim( nl2br( $args['caption'] ) ) );
227	} else {
228	$title = esc_attr( wp_strip_all_tags( trim ( nl2br( $args['title'] ) ), true ) );
229	$caption = esc_attr( wp_strip_all_tags( trim( nl2br( $args['caption'] ) ), true ) );
230	}
231
232	if ( isset( $_GET['rl_gallery_no'], $_GET['rl_page'] ) )
233	$this->gallery_no = (int) $_GET['rl_gallery_no'];
234
235	// link already contains data-rel attribute?
236	if ( preg_match( '/<a.?(?:data-rel)=(?:\'\|")(.?)(?:\'\|").*?>/is', $link, $result ) === 1 ) {
237	// allow to modify link?
238	if ( $result[1] !== 'norl' ) {
239	// gallery?
240	if ( $args['settings']['plugin']['images_as_gallery'] \|\| $args['settings']['plugin']['force_custom_gallery'] )
241	$link = preg_replace( '/data-rel=(\'\|")(.*?)(\'\|")/s', 'data-rel="' . $args['selector'] . '-gallery-' . $this->gallery_no . '" data-rl_title="__RL_IMAGE_TITLE__" data-rl_caption="__RL_IMAGE_CAPTION__"' . ( $args['script'] === 'magnific' ? ' data-magnific_type="gallery"' : '' ) . ( $args['script'] === 'imagelightbox' ? ' data-imagelightbox="' . $args['link_number'] . '"' : '' ), $link );
242	// single image
243	else
244	$link = preg_replace( '/data-rel=(\'\|")(.*?)(\'\|")/s', 'data-rel="' . $args['selector'] . '-image-' . base64_encode( $result[1] ) . '"' . ( $args['script'] === 'magnific' ? ' data-magnific_type="image"' : '' ) . ( $args['script'] === 'imagelightbox' ? ' data-imagelightbox="' . $args['link_number'] . '"' : '' ) . ' data-rl_title="__RL_IMAGE_TITLE__" data-rl_caption="__RL_IMAGE_CAPTION__"', $link );
245	}
246	// link without data-rel
247	} else {
248	// force images?
249	if ( $args['settings']['plugin']['force_custom_gallery'] ) {
250	// link already contains rel attribute?
251	if ( preg_match( '/<a.?(?:rel)=(?:\'\|")(.?)(?:\'\|").*?>/is', $link, $result ) === 1 ) {
252	// allow to modify link?
253	if ( $result[1] !== 'norl' )
254	$link = preg_replace( '/rel=(\'\|")(.*?)(\'\|")/', 'data-rel="' . $args['selector'] . '-gallery-' . $this->gallery_no . '" data-rl_title="__RL_IMAGE_TITLE__" data-rl_caption="__RL_IMAGE_CAPTION__"' . ( $args['script'] === 'magnific' ? ' data-magnific_type="gallery"' : '' ) . ( $args['script'] === 'imagelightbox' ? ' data-imagelightbox="' . $args['link_number'] . '"' : '' ), $link );
255	} else
256	$link = '<a' . $args['link_parts'][0] . ' href="' . $args['link_parts'][1] . '.' . $args['link_parts'][2] . '" data-rel="' . $args['selector'] . '-gallery-' . $this->gallery_no . '" data-rl_title="__RL_IMAGE_TITLE__" data-rl_caption="__RL_IMAGE_CAPTION__"' . ( $args['script'] === 'magnific' ? ' data-magnific_type="gallery"' : '' ) . ( $args['script'] === 'imagelightbox' ? ' data-imagelightbox="' . $args['link_number'] . '"' : '' ) . $args['link_parts'][3] . '>';
257	} else
258	$link = '<a' . $args['link_parts'][0] . 'href="' . $args['link_parts'][1] . '.' . $args['link_parts'][2] . '"' . $args['link_parts'][3] . ' data-rel="' . $args['selector'] . ( $args['settings']['plugin']['images_as_gallery'] ? $args['rel_hash'] : '-image-' . $args['link_number'] ) . '"' . ( $args['script'] === 'magnific' ? ' data-magnific_type="image"' : '' ) . ( $args['script'] === 'imagelightbox' ? ' data-imagelightbox="' . $args['link_number'] . '"' : '' ) . ' data-rl_title="__RL_IMAGE_TITLE__" data-rl_caption="__RL_IMAGE_CAPTION__">';
259	}
260
261	// use safe replacement
262	$link = str_replace( '__RL_IMAGE_TITLE__', $title, str_replace( '__RL_IMAGE_CAPTION__', $caption, $link ) );
263
264	// title exists?
265	if ( preg_match( '/<a.? title=(?:\'\|").?(?:\'\|").*?>/is', $link ) === 1 ) {
266	$link = preg_replace( '/(<a.? title=(?:\'\|")).?((?:\'\|").*?>)/s', '${1}__RL_IMAGE_TITLE__$2', $link );
267	} else
268	$link = preg_replace( '/(<a.*?)>/s', '$1 title="__RL_IMAGE_TITLE__">', $link );
269
270	// last safe replacement
271	$link = str_replace( '__RL_IMAGE_TITLE__', $title, $link );
272
273	return apply_filters( 'rl_lightbox_image_link', $link, $args );
274	}
275
276	/**
277	* Add lightbox to gallery image links.
278	*
279	* @param string $link
280	* @param int $id
281	* @param string $size
282	* @param bool $permalink
283	* @param mixed $icon
284	* @param mixed $text
285	*/
286	public function wp_get_attachment_link( $link, $id, $size, $permalink, $icon, $text ) {
287	if ( Responsive_Lightbox()->options['settings']['galleries'] && wp_attachment_is_image( $id ) ) {
288	// deprecated filter
289	$link = apply_filters( 'rl_lightbox_attachment_link', $link, $id, $size, $permalink, $icon, $text, array() );
290
291	// get current script
292	$script = Responsive_Lightbox()->options['settings']['script'];
293
294	// prepare arguments
295	$args = array(
296	'selector' => Responsive_Lightbox()->options['settings']['selector'],
297	'script' => $script,
298	'settings' => array(
299	'script' => Responsive_Lightbox()->options['configuration'][$script],
300	'plugin' => Responsive_Lightbox()->options['settings']
301	),
302	'supports' => Responsive_Lightbox()->settings->scripts[$script]['supports'],
303	'image_id' => $id,
304	'title' => '',
305	'caption' => '',
306	'src' => array()
307	);
308
309	$link = $this->lightbox_gallery_link( $link, $args );
310	}
311
312	return $link;
313	}
314
315	/**
316	* Add lightbox to gallery image links.
317	*
318	* @param string $link Gallery image link
319	* @param array $args Gallery link arguments
320	* @return string Updated gallery image link
321	*/
322	public function lightbox_gallery_link( $link, $args ) {
323	// gallery image title
324	$title = ! empty( $args['title'] ) ? $args['title'] : '';
325
326	// get title type
327	$title_arg = $args['settings']['plugin']['gallery_image_title'];
328
329	// update title if needed
330	if ( ! empty( $args['image_id'] ) && $title_arg !== 'default' ) {
331	// original title
332	$args['title'] = $this->get_attachment_title( $args['image_id'], apply_filters( 'rl_lightbox_attachment_image_title_arg', $title_arg, $args['image_id'], $link ) );
333	}
334
335	// sanitize title
336	if ( $html_caption = rl_current_lightbox_supports( 'html_caption' ) )
337	$title = esc_attr( trim( nl2br( $args['title'] ) ) );
338	else
339	$title = esc_attr( wp_strip_all_tags( trim ( nl2br( $args['title'] ) ), true ) );
340
341	// add title and rl_title if needed
342	if ( preg_match( '/<a.? title=(?:\'\|").?(?:\'\|").*?>/is', $link ) === 1 )
343	$link = str_replace( '__RL_IMAGE_TITLE__', $title, preg_replace( '/(<a.? title=(?:\'\|")).?((?:\'\|").*?>)/s', '$1__RL_IMAGE_TITLE__" data-rl_title="__RL_IMAGE_TITLE__$2', $link ) );
344	else
345	$link = str_replace( '__RL_IMAGE_TITLE__', $title, preg_replace( '/(<a.*?)>/s', '$1 title="__RL_IMAGE_TITLE__" data-rl_title="__RL_IMAGE_TITLE__">', $link ) );
346
347	// add class if needed
348	if ( preg_match( '/<a[^>]? class=(?:\'\|").?(?:\'\|").*?>/is', $link ) === 1 )
349	$link = preg_replace( '/(<a.?) class=(?:\'\|")(.?)(?:\'\|")(.*?>)/s', '$1 class="$2 rl-gallery-link" $3', $link );
350	else
351	$link = preg_replace( '/(<a.*?)>/s', '$1 class="rl-gallery-link">', $link );
352
353	// gallery image caption
354	$caption = ! empty( $args['caption'] ) ? $args['caption'] : '';
355
356	// get caption type
357	$caption_arg = $args['settings']['plugin']['gallery_image_caption'];
358
359	// update caption if needed
360	if ( ! empty( $args['image_id'] ) && $caption_arg !== 'default' ) {
361	// original caption
362	$args['caption'] = $this->get_attachment_title( $args['image_id'], apply_filters( 'rl_lightbox_attachment_image_title_arg', $caption_arg, $args['image_id'], $link ) );
363	}
364
365	// sanitize caption
366	if ( $html_caption )
367	$caption = esc_attr( trim( nl2br( $args['caption'] ) ) );
368	else
369	$caption = esc_attr( wp_strip_all_tags( trim( nl2br( $args['caption'] ) ), true ) );
370
371	// add rl_caption
372	$link = str_replace( '__RL_IMAGE_CAPTION__', $caption, preg_replace( '/(<a.*?)>/s', '$1 data-rl_caption="__RL_IMAGE_CAPTION__">', $link ) );
373
374	if ( isset( $_GET['rl_gallery_no'], $_GET['rl_page'] ) )
375	$this->gallery_no = (int) $_GET['rl_gallery_no'];
376
377	// link already contains data-rel attribute?
378	if ( preg_match( '/<a.?data-rel=(\'\|")(.?)(\'\|").*?>/is', $link, $result ) === 1 ) {
379	if ( $result[2] !== 'norl' )
380	$link = preg_replace( '/(<a.?data-rel=(?:\'\|").?)((?:\'\|").*?>)/s', '${1}' . $args['selector'] . '-gallery-' . $this->gallery_no . '$2', $link );
381	} else
382	$link = preg_replace( '/(<a.*?)>/s', '$1 data-rel="' . $args['selector'] . '-gallery-' . $this->gallery_no . '">', $link );
383
384	if ( ! ( isset( $args['link'] ) && $args['link'] != 'file' ) ) {
385	// gallery image size
386	if ( ! empty( $args['image_id'] ) ) {
387	if ( $args['settings']['plugin']['gallery_image_size'] !== 'full' ) {
388	$args['src'] = wp_get_attachment_image_src( $args['image_id'], $args['settings']['plugin']['gallery_image_size'] );
389
390	if ( preg_match( '/<a.? href=("\|\').?("\|\').*?>/is', $link ) === 1 )
391	$link = preg_replace( '/(<a.? href=(?:"\|\')).?((?:"\|\').*?>)/', '$1' . $args['src'][0] . '$2', $link );
392	else
393	$link = preg_replace( '/(<a.*?)>/', '$1 href="' . $args['src'][0] . '">', $link );
394	} else {
395	$args['src'] = wp_get_attachment_image_src( $args['image_id'], 'full' );
396
397	if ( preg_match( '/<a.? href=("\|\').?("\|\').*?>/is', $link ) === 1 )
398	$link = preg_replace( '/(<a.? href=(?:"\|\')).?((?:"\|\').*?>)/', '$1' . $args['src'][0] . '$2', $link );
399	else
400	$link = preg_replace( '/(<a.*?)>/', '$1 href="' . $args['src'][0] . '">', $link );
401	}
402	}
403
404	if ( $args['script'] === 'magnific' )
405	$link = preg_replace( '/(<a.*?)>/is', '$1 data-magnific_type="gallery">', $link );
406	}
407
408	return apply_filters( 'rl_lightbox_gallery_link', $link, $args );
409	}
410
411	/**
412	* Add lightbox to content links.
413	*
414	* @param string $link Content link
415	* @param array $args Content arguments
416	* @return string Updated content link
417	*/
418	public function lightbox_content_link( $link, $args ) {
419	if ( in_array( $args['content'], $args['supports'], true ) ) {
420	// link already contains data-rel attribute?
421	if ( preg_match( '/<a.?(?:data-rel)=(?:\'\|")(.?)(?:\'\|").*?>/is', $link, $result ) === 1 )
422	$link = preg_replace( '/data-rel=(\'\|")(.*?)(\'\|")/s', 'data-rel="' . $args['selector'] . '-content-' . base64_encode( $result[1] ) . '"', $link );
423	else
424	$link = preg_replace( '/(<a.*?)>/s', '$1 data-rel="' . $args['selector'] . '-content-' . $args['link_number'] . '">', $link );
425
426	switch ( $args['script'] ) {
427	case 'nivo':
428	$link = preg_replace( '/(<a.*?)>/s', '$1 data-lightbox-type="' . $args['content'] . '">', $link );
429	break;
430
431	case 'featherlight':
432	$link = preg_replace( '/(<a.*?)>/s', '$1 data-featherlight="' . $args['content'] . '">', $link );
433	break;
434
435	case 'fancybox':
436	if ( $args['content'] === 'iframe' )
437	$link = preg_replace( '/(<a.?href=(?:\'\|"))(.?)((?:\'\|").*?>)/is', '$1' . add_query_arg( 'iframe', '', '$2' ) . '$3', $link );
438	break;
439
440	case 'prettyphoto':
441	if ( $args['content'] === 'iframe' )
442	$link = preg_replace( '/(<a.?href=(?:\'\|"))(.?)((?:\'\|").*?>)/is', '$1' . add_query_arg( array( 'iframe' => 'true', 'width' => $args['settings']['width'], 'height' => $args['settings']['height'] ), '$2' ) . '$3', $link );
443	}
444	}
445
446	return apply_filters( 'rl_lightbox_content_link', $link, $args );
447	}
448
449	/**
450	* Get gallery fields.
451	*
452	* @param string $type Gallery type
453	* @return array Gallery fields
454	*/
455	public function get_gallery_fields( $type ) {
456	$rl = Responsive_Lightbox();
457
458	// get gallery fields
459	$gallery_fields = $rl->settings->settings[$type . '_gallery']['fields'];
460
461	// assign settings and defaults
462	$gallery_defaults = $rl->defaults[$type . '_gallery'];
463	$gallery_values = $rl->options[$type . '_gallery'];
464
465	// make a copy
466	$fields_copy = $gallery_fields;
467
468	foreach ( $fields_copy as $field_key => $field ) {
469	if ( $field['type'] === 'multiple' ) {
470	foreach ( $field['fields'] as $subfield_key => $subfield ) {
471	$gallery_fields[$field_key]['fields'][$subfield_key]['default'] = $gallery_defaults[$subfield_key];
472	$gallery_fields[$field_key]['fields'][$subfield_key]['value'] = array_key_exists( $subfield_key, $gallery_values ) ? $gallery_values[$subfield_key] : $gallery_defaults[$subfield_key];
473	}
474	} else {
475	$gallery_fields[$field_key]['default'] = $gallery_defaults[$field_key];
476	$gallery_fields[$field_key]['value'] = array_key_exists( $field_key, $gallery_values ) ? $gallery_values[$field_key] : $gallery_defaults[$field_key];
477	}
478	}
479
480	// get shortcode gallery fields combined with defaults
481	return apply_filters( 'rl_get_gallery_fields', $this->get_unique_fields( $this->get_default_gallery_fields(), $gallery_fields ) );
482	}
483
484	/**
485	* Get unique gallery fields.
486	*
487	* @param array $defaults Default gallery fields
488	* @param array $fields Custom gallery fields
489	* @return array Unique fields
490	*/
491	public function get_unique_fields( $defaults, $fields ) {
492	// check duplicated fields
493	$duplicates = array_intersect_key( $defaults, $fields );
494
495	// any duplicated fields?
496	if ( ! empty( $duplicates ) ) {
497	foreach ( $duplicates as $field_id => $field ) {
498	unset( $defaults[$field_id] );
499	}
500	}
501
502	// get default and custom fields all together
503	return $defaults + $fields;
504	}
505
506	/**
507	* Get gallery fields combined with shortcode attributes.
508	*
509	* @param array $fields Gallery fields
510	* @param array $shortcode_atts Gallery shortcode attributes
511	* @param bool $gallery Whether is it rl_gallery shortcode
512	* @return array All combined field attributes
513	*/
514	public function get_gallery_fields_atts( $fields, $shortcode_atts, $gallery = true ) {
515	// prepare default values
516	$field_atts = array();
517
518	// get all default field values
519	foreach ( $fields as $field_key => $field ) {
520	if ( $field['type'] === 'multiple' ) {
521	foreach ( $field['fields'] as $subfield_key => $subfield ) {
522	$field_atts[$subfield_key] = array_key_exists( 'value', $subfield ) ? $subfield['value'] : $subfield['default'];
523	}
524	} else
525	$field_atts[$field_key] = array_key_exists( 'value', $field ) ? $field['value'] : $field['default'];
526	}
527
528	// is it rl gallery?
529	if ( $gallery ) {
530	$tabs = Responsive_Lightbox()->galleries->tabs;
531
532	if ( ! empty( $tabs ) ) {
533	foreach ( $tabs as $key => $args ) {
534	if ( in_array( $key, array( 'images', 'config' ) ) )
535	continue;
536
537	// get additional fields
538	$data = get_post_meta( $shortcode_atts['rl_gallery_id'], '_rl_' . $key, true );
539
540	// add those fields
541	if ( ! empty( $data['menu_item'] ) && is_array( $data[$data['menu_item']] ) )
542	$field_atts += $data[$data['menu_item']];
543	}
544	}
545
546	if ( $field_atts['hover_effect'] !== '0' )
547	$field_atts['gallery_custom_class'] .= ' rl-hover-effect-' . $field_atts['hover_effect'];
548
549	if ( $field_atts['show_icon'] !== '0' )
550	$field_atts['gallery_custom_class'] .= ' rl-hover-icon-' . $field_atts['show_icon'];
551	}
552
553	return apply_filters( 'rl_get_gallery_fields_atts', $field_atts );
554	}
555
556	/**
557	* Get default gallery fields.
558	*
559	* @return array Default gallery
560	*/
561	public function get_default_gallery_fields() {
562	$sizes = get_intermediate_image_sizes();
563	$sizes['full'] = 'full';
564
565	return array(
566	'size' => array(
567	'title' => __( 'Size', 'responsive-lightbox' ),
568	'type' => 'select',
569	'description' => __( 'Specify the image size to use for the thumbnail display.', 'responsive-lightbox' ),
570	'default' => 'medium',
571	'options' => array_combine( $sizes, $sizes )
572	),
573	'link' => array(
574	'title' => __( 'Link To', 'responsive-lightbox' ),
575	'type' => 'select',
576	'description' => __( 'Specify where you want the image to link.', 'responsive-lightbox' ),
577	'default' => 'file',
578	'options' => array(
579	'post' => __( 'Attachment Page', 'responsive-lightbox' ),
580	'file' => __( 'Media File', 'responsive-lightbox' ),
581	'none' => __( 'None', 'responsive-lightbox' ),
582	)
583	),
584	'orderby' => array(
585	'title' => __( 'Orderby', 'responsive-lightbox' ),
586	'type' => 'select',
587	'description' => __( 'Specify how to sort the display thumbnails.', 'responsive-lightbox' ),
588	'default' => 'menu_order',
589	'options' => array(
590	'id' => __( 'ID', 'responsive-lightbox' ),
591	'title' => __( 'Title', 'responsive-lightbox' ),
592	'post_date' => __( 'Date', 'responsive-lightbox' ),
593	'menu_order' => __( 'Menu Order', 'responsive-lightbox' ),
594	'rand' => __( 'Random', 'responsive-lightbox' )
595	)
596	),
597	'order' => array(
598	'title' => __( 'Order', 'responsive-lightbox' ),
599	'type' => 'radio',
600	'description' => __( 'Specify the sort order.', 'responsive-lightbox' ),
601	'default' => 'asc',
602	'options' => array(
603	'asc' => __( 'Ascending', 'responsive-lightbox' ),
604	'desc' => __( 'Descending', 'responsive-lightbox' )
605	)
606	),
607	'columns' => array(
608	'title' => __( 'Columns', 'responsive-lightbox' ),
609	'type' => 'number',
610	'description' => __( 'Specify the number of columns.', 'responsive-lightbox' ),
611	'default' => 3,
612	'min' => 1,
613	'max' => 12
614	)
615	);
616	}
617
618	/**
619	* Sanitize shortcode gallery arguments.
620	*
621	* @param array $atts Shortcode arguments
622	* @param array $fields Gallery fields
623	* @return array Sanitized shortcode arguments
624	*/
625	public function sanitize_shortcode_args( $atts, $fields ) {
626	$rl = Responsive_Lightbox();
627
628	// validate gallery fields
629	foreach ( $fields as $field_key => $field ) {
630	// checkbox field?
631	if ( $field['type'] === 'checkbox' ) {
632	// valid argument?
633	if ( array_key_exists( $field_key, $atts ) )
634	$atts[$field_key] = $rl->galleries->sanitize_field( $field_key, array_flip( explode( ',', $atts[$field_key] ) ), $field );
635	// boolean field?
636	} elseif ( $field['type'] === 'boolean' ) {
637	// multiple field?
638	if ( $field['type'] === 'multiple' ) {
639	foreach ( $field['fields'] as $subfield_key => $subfield ) {
640	// valid argument?
641	if ( array_key_exists( $subfield_key, $atts ) ) {
642	// true value?
643	if ( $atts[$subfield_key] === true \|\| $atts[$subfield_key] === 'true' \|\| $atts[$subfield_key] === '1' )
644	$atts[$subfield_key] = 1;
645	// false value?
646	elseif ( $atts[$subfield_key] === false \|\| $atts[$subfield_key] === 'false' \|\| $atts[$subfield_key] === '0' \|\| $atts[$subfield_key] === '' )
647	$atts[$subfield_key] = 0;
648	// default value
649	else
650	$atts[$subfield_key] = (int) $field['default'];
651	}
652	}
653	} else {
654	// valid argument?
655	if ( array_key_exists( $field_key, $atts ) ) {
656	// true value?
657	if ( $atts[$field_key] === true \|\| $atts[$field_key] === 'true' \|\| $atts[$field_key] === '1' )
658	$atts[$field_key] = 1;
659	// false value?
660	elseif ( $atts[$field_key] === false \|\| $atts[$field_key] === 'false' \|\| $atts[$field_key] === '0' \|\| $atts[$field_key] === '' )
661	$atts[$field_key] = 0;
662	// default value
663	else
664	$atts[$field_key] = (int) $field['default'];
665	}
666	}
667	// multiple field?
668	} elseif ( $field['type'] === 'multiple' ) {
669	foreach ( $field['fields'] as $subfield_key => $subfield ) {
670	// valid argument?
671	if ( array_key_exists( $subfield_key, $atts ) )
672	$atts[$subfield_key] = $rl->galleries->sanitize_field( $subfield_key, $atts[$subfield_key], $subfield );
673	}
674	// other field?
675	} else {
676	// valid argument?
677	if ( array_key_exists( $field_key, $atts ) )
678	$atts[$field_key] = $rl->galleries->sanitize_field( $field_key, $atts[$field_key], $field );
679	}
680	}
681
682	return apply_filters( 'rl_sanitize_shortcode_args', $atts );
683	}
684
685	/**
686	* Get gallery images.
687	*
688	* @param array $args Gallery arguments
689	* @return array Gallery images
690	*/
691	public function get_gallery_shortcode_images( $shortcode_atts ) {
692	if ( ! isset( $shortcode_atts['show_title'] ) \|\| $shortcode_atts['show_title'] === 'global' )
693	$shortcode_atts['show_title'] = Responsive_Lightbox()->options['settings']['gallery_image_title'];
694
695	if ( ! isset( $shortcode_atts['show_caption'] ) \|\| $shortcode_atts['show_caption'] === 'global' )
696	$shortcode_atts['show_caption'] = Responsive_Lightbox()->options['settings']['gallery_image_caption'];
697
698	$images = array();
699
700	// get gallery id
701	$gallery_id = ! empty( $shortcode_atts['rl_gallery_id'] ) ? absint( $shortcode_atts['rl_gallery_id'] ) : 0;
702
703	// get images from gallery
704	if ( $gallery_id ) {
705	$images = Responsive_Lightbox()->galleries->get_gallery_images(
706	$gallery_id,
707	array(
708	'exclude' => true,
709	'image_size' => $shortcode_atts['src_size'],
710	'thumbnail_size' => $shortcode_atts['size']
711	)
712	);
713	// get images from shortcode atts
714	} else {
715	$ids = array();
716
717	if ( ! empty( $shortcode_atts['include'] ) ) {
718	// filter attachment IDs
719	$include = array_unique( array_filter( array_map( 'intval', explode( ',', $shortcode_atts['include'] ) ) ) );
720
721	// any attachments?
722	if ( ! empty( $include ) ) {
723	// get attachments
724	$ids = get_posts(
725	array(
726	'include' => implode( ',', $include ),
727	'post_status' => 'inherit',
728	'post_type' => 'attachment',
729	'post_mime_type' => 'image',
730	'order' => $shortcode_atts['order'],
731	'orderby' => ( $shortcode_atts['orderby'] === 'menu_order' \|\| $shortcode_atts['orderby'] === '' ? 'post__in' : $shortcode_atts['orderby'] ),
732	'fields' => 'ids'
733	)
734	);
735	}
736	} elseif ( ! empty( $exclude ) ) {
737	// filter attachment IDs
738	$exclude = array_unique( array_filter( array_map( 'intval', explode( ',', $shortcode_atts['exclude'] ) ) ) );
739
740	// any attachments?
741	if ( ! empty( $exclude ) ) {
742	// get attachments
743	$ids = get_children(
744	array(
745	'post_parent' => $shortcode_atts['id'],
746	'exclude' => $exclude,
747	'post_status' => 'inherit',
748	'post_type' => 'attachment',
749	'post_mime_type' => 'image',
750	'order' => $shortcode_atts['order'],
751	'orderby' => $shortcode_atts['orderby'],
752	'fields' => 'ids'
753	)
754	);
755	}
756	} else {
757	// get attachments
758	$ids = get_children(
759	array(
760	'post_parent' => $shortcode_atts['id'],
761	'post_status' => 'inherit',
762	'post_type' => 'attachment',
763	'post_mime_type' => 'image',
764	'order' => $shortcode_atts['order'],
765	'orderby' => $shortcode_atts['orderby'],
766	'fields' => 'ids'
767	)
768	);
769	}
770
771	// any attachments?
772	if ( ! empty( $ids ) ) {
773	foreach ( $ids as $attachment_id ) {
774	// get thumbnail image data
775	$images[] = Responsive_Lightbox()->galleries->get_gallery_image_src( $attachment_id, $shortcode_atts['src_size'], $shortcode_atts['size'] );
776	}
777	}
778	}
779
780	// apply adjustments, as per settings
781	if ( $images ) {
782	// get current script
783	$script = Responsive_Lightbox()->options['settings']['script'];
784
785	// prepare arguments
786	$args = array(
787	'selector' => Responsive_Lightbox()->options['settings']['selector'],
788	'script' => $script,
789	'settings' => array(
790	'script' => Responsive_Lightbox()->options['configuration'][$script],
791	'plugin' => Responsive_Lightbox()->options['settings']
792	),
793	'supports' => Responsive_Lightbox()->settings->scripts[$script]['supports'],
794	'image_id' => 0,
795	'caption' => '',
796	'title' => '',
797	'src' => array()
798	);
799
800	// lightbox image title
801	$args['settings']['plugin']['gallery_image_title'] = ! empty( $shortcode_atts['lightbox_image_title'] ) ? ( $shortcode_atts['lightbox_image_title'] === 'global' ? Responsive_Lightbox()->options['settings']['gallery_image_title'] : $shortcode_atts['lightbox_image_title'] ) : Responsive_Lightbox()->options['settings']['gallery_image_title'];
802
803	// lightbox image caption
804	$args['settings']['plugin']['gallery_image_caption'] = ! empty( $shortcode_atts['lightbox_image_caption'] ) ? ( $shortcode_atts['lightbox_image_caption'] === 'global' ? Responsive_Lightbox()->options['settings']['gallery_image_caption'] : $shortcode_atts['lightbox_image_caption'] ) : Responsive_Lightbox()->options['settings']['gallery_image_caption'];
805
806	// get gallery image link
807	$args['link'] = isset( $shortcode_atts['link'] ) ? $shortcode_atts['link'] : '';
808
809	// copy images
810	$images_tmp = $images;
811
812	// apply adjustments, according to gallery settings
813	foreach ( $images_tmp as $index => $image ) {
814	// assign image
815	$new_image = $images[$index] = array_merge( $image, Responsive_Lightbox()->galleries->get_gallery_image_src( $image, $shortcode_atts['src_size'], $shortcode_atts['size'] ) );
816
817	// create image source data
818	$args['src'] = array( $new_image['url'], $new_image['width'], $new_image['height'] );
819
820	// set alt text
821	$images[$index]['alt'] = ! empty( $new_image['alt'] ) ? esc_attr( $new_image['alt'] ) : ( ! empty( $new_image['id'] ) ? get_post_meta( $new_image['id'], '_wp_attachment_image_alt', true ) : '' );
822
823	// set lightbox image title
824	if ( $args['settings']['plugin']['gallery_image_title'] === 'default' )
825	$images[$index]['title'] = $args['title'] = '';
826	else
827	$images[$index]['title'] = $args['title'] = ! empty( $new_image['id'] ) ? $this->get_attachment_title( $new_image['id'], apply_filters( 'rl_lightbox_attachment_image_title_arg', $args['settings']['plugin']['gallery_image_title'], $new_image['id'], $images[$index]['link'] ) ) : $new_image['title'];
828
829	// set lightbox image caption
830	if ( $args['settings']['plugin']['gallery_image_caption'] === 'default' )
831	$images[$index]['caption'] = $args['caption'] = '';
832	else
833	$images[$index]['caption'] = $args['caption'] = ! empty( $new_image['id'] ) ? $this->get_attachment_title( $new_image['id'], apply_filters( 'rl_lightbox_attachment_image_title_arg', $args['settings']['plugin']['gallery_image_caption'], $images[$index]['link'] ) ) : $new_image['caption'];
834
835	// set image gallery link
836	$images[$index]['link'] = $this->lightbox_gallery_link( $this->get_gallery_image_link( $new_image['id'], $args['src'], array( $new_image['thumbnail_url'], $new_image['thumbnail_width'], $new_image['thumbnail_height'] ), $shortcode_atts ), $args );
837
838	// is lightbox active?
839	if ( isset( $shortcode_atts['lightbox_enable'] ) && $shortcode_atts['lightbox_enable'] === 0 )
840	$images[$index]['link'] = preg_replace( '/data-rel=(\'\|")(.*?)(\'\|")/', 'data-rel="norl"', $images[$index]['link'] );
841	}
842	}
843
844	return apply_filters( 'rl_get_gallery_shortcode_images', $images, $gallery_id, $shortcode_atts );
845	}
846
847	/**
848	* Get gallery image link.
849	*
850	* @param int $attachment_id Attachment ID
851	* @param array $image Source image data
852	* @param array $thumbnail Thumbnail image data
853	* @param array $args Arguments
854	* @return string Generated gallery image link
855	*/
856	function get_gallery_image_link( $attachment_id, $image, $thumbnail, $args ) {
857	switch ( $args['link'] ) {
858	case 'post':
859	$link = '<a href="' . get_permalink( $attachment_id ) . '"><img src="' . $thumbnail[0] . '" width="' . $thumbnail[1] . '" height="' . $thumbnail[2] . '" />';
860	break;
861
862	case 'none':
863	$link = '<a href="javascript:void(0)" style="cursor: default;"><img src="' . $thumbnail[0] . '" width="' . $thumbnail[1] . '" height="' . $thumbnail[2] . '" />';
864	break;
865
866	default:
867	case 'file':
868	$link = '<a href="' . $image[0] . '"><img src="' . $thumbnail[0] . '" width="' . $thumbnail[1] . '" height="' . $thumbnail[2] . '" />';
869	}
870
871	$title = ! empty( $args['show_title'] ) ? trim( $this->get_attachment_title( $attachment_id, $args['show_title'] ) ) : '';
872	$caption = ! empty( $args['show_caption'] ) ? trim( $this->get_attachment_title( $attachment_id, $args['show_caption'] ) ) : '';
873
874	if ( $title \|\| $caption ) {
875	$link .= '<span class="rl-gallery-caption">';
876
877	if ( $title )
878	$link .= '<span class="rl-gallery-item-title">' . esc_html( $title ) . '</span>';
879
880	if ( $caption )
881	$link .= '<span class="rl-gallery-item-caption">' . esc_html( $caption ) . '</span>';
882
883	$link .= '</span>';
884	}
885
886	$link .= '</a>';
887
888	return apply_filters( 'rl_gallery_image_link', $link, $attachment_id, $image, $thumbnail, $args );
889	}
890
891	/**
892	* Add lightbox to Jetpack tiled gallery.
893	*
894	* @param string $content
895	* @return string
896	*/
897	public function force_custom_gallery_lightbox( $content ) {
898	if ( Responsive_Lightbox()->options['settings']['force_custom_gallery'] ) {
899	// search for image links
900	preg_match_all( '/<a(.?)href=(?:\'\|")([^<]?)\.(bmp\|gif\|jpeg\|jpg\|png\|webp)(?:\'\|")(.*?)>/i', $content, $links );
901
902	// found any links?
903	if ( ! empty ( $links[0] ) ) {
904	foreach ( $links[0] as $link_number => $link ) {
905	// get attachment id
906	$image_id = $this->get_attachment_id_by_url( $links[2][$link_number] . '.' . $links[3][$link_number] );
907
908	// get title type
909	$title_arg = Responsive_Lightbox()->options['settings']['gallery_image_title'];
910
911	// update title if needed
912	if ( $title_arg !== 'default' && $image_id )
913	$title = esc_attr( wp_strip_all_tags( trim ( $this->get_attachment_title( $image_id, apply_filters( 'rl_lightbox_attachment_image_title_arg', $title_arg, $image_id, $links[2][$link_number] . '.' . $links[3][$link_number] ) ) ), true ) );
914	else
915	$title = '';
916
917	// get caption type
918	$caption_arg = Responsive_Lightbox()->options['settings']['gallery_image_caption'];
919
920	// update caption if needed
921	if ( $caption_arg !== 'default' )
922	$caption = esc_attr( wp_strip_all_tags( trim ( $this->get_attachment_title( $image_id, apply_filters( 'rl_lightbox_attachment_image_title_arg', $caption_arg, $image_id, $links[2][$link_number] . '.' . $links[3][$link_number] ) ) ), true ) );
923	else
924	$caption = '';
925
926	// link already contains data-rel attribute?
927	if ( preg_match( '/<a.?(?:data-rel)=(?:\'\|")(.?)(?:\'\|").*?>/', $link, $result ) === 1 ) {
928	// do not modify this link
929	if ( $result[1] === 'norl' )
930	continue;
931
932	$content = str_replace( $link, preg_replace( '/data-rel=(?:\'\|")(.*?)(?:\'\|")/', 'data-rel="' . Responsive_Lightbox()->options['settings']['selector'] . '-gallery-' . base64_encode( $result[1] ) . '" data-rl_title="' . $title . '" data-rl_caption="' . $caption . '"' . ( Responsive_Lightbox()->options['settings']['script'] === 'imagelightbox' ? ' data-imagelightbox="' . $link_number . '"' : '' ), $link ), $content );
933	} elseif ( preg_match( '/<a.?(?:rel)=(?:\'\|")(.?)(?:\'\|").*?>/', $link, $result ) === 1 ) {
934	// do not modify this link
935	if ( $result[1] === 'norl' )
936	continue;
937
938	$content = str_replace( $link, preg_replace( '/rel=(?:\'\|")(.*?)(?:\'\|")/', 'data-rel="' . Responsive_Lightbox()->options['settings']['selector'] . '-gallery-' . base64_encode( $result[1] ) . '" data-rl_title="' . $title . '" data-rl_caption="' . $caption . '"' . ( Responsive_Lightbox()->options['settings']['script'] === 'imagelightbox' ? ' data-imagelightbox="' . $link_number . '"' : '' ), $link ), $content );
939	} else
940	$content = str_replace( $link, '<a' . $links[1][$link_number] . ' href="' . $links[2][$link_number] . '.' . $links[3][$link_number] . '" data-rel="' . Responsive_Lightbox()->options['settings']['selector'] . '-gallery-' . base64_encode( $this->gallery_no ) . '" data-rl_title="' . $title . '" data-rl_caption="' . $caption . '"' . ( Responsive_Lightbox()->options['settings']['script'] === 'imagelightbox' ? ' data-imagelightbox="' . $link_number . '"' : '' ) . $links[4][$link_number] . '>', $content );
941	}
942	}
943	}
944
945	return $content;
946	}
947
948	/**
949	* Remove WooCommerce prettyPhoto lightbox styles and scripts.
950	*/
951	public function wp_enqueue_scripts() {
952	if ( class_exists( 'WooCommerce' ) ) {
953	global $woocommerce;
954
955	// specific WooCommerce gallery?
956	if ( ! empty( Responsive_Lightbox()->options['settings']['default_woocommerce_gallery'] ) && Responsive_Lightbox()->options['settings']['default_woocommerce_gallery'] !== 'default' ) {
957	// replace default WooCommerce lightbox?
958	if ( Responsive_Lightbox()->options['settings']['woocommerce_gallery_lightbox'] === true ) {
959	if ( version_compare( $woocommerce->version, '3.0', ">=" ) ) {
960	// dequeue scripts
961	wp_dequeue_script( 'flexslider' );
962	wp_dequeue_script( 'photoswipe' );
963	wp_dequeue_script( 'photoswipe-ui-default' );
964
965	// dequeue styles
966	wp_dequeue_style( 'photoswipe' );
967	wp_dequeue_style( 'photoswipe-default-skin' );
968
969	// remove theme supports
970	remove_theme_support( 'wc-product-gallery-lightbox' );
971	// remove_theme_support( 'wc-product-gallery-zoom' );
972	remove_theme_support( 'wc-product-gallery-slider' );
973	} else {
974	// remove styles
975	wp_dequeue_style( 'woocommerce_prettyPhoto_css' );
976
977	// remove scripts
978	wp_dequeue_script( 'prettyPhoto' );
979	wp_dequeue_script( 'prettyPhoto-init' );
980	wp_dequeue_script( 'fancybox' );
981	wp_dequeue_script( 'enable-lightbox' );
982	}
983	} else {
984	if ( version_compare( $woocommerce->version, '3.0', ">=" ) ) {
985	// dequeue scripts
986	wp_dequeue_script( 'flexslider' );
987	}
988	}
989	// default gallery?
990	} else {
991	// replace default WooCommerce lightbox?
992	if ( Responsive_Lightbox()->options['settings']['woocommerce_gallery_lightbox'] === true ) {
993	if ( version_compare( $woocommerce->version, '3.0', ">=" ) ) {
994	// dequeue scripts
995	wp_dequeue_script( 'photoswipe' );
996	wp_dequeue_script( 'photoswipe-ui-default' );
997
998	// dequeue styles
999	wp_dequeue_style( 'photoswipe' );
1000	wp_dequeue_style( 'photoswipe-default-skin' );
1001
1002	// remove theme supports
1003	remove_theme_support( 'wc-product-gallery-lightbox' );
1004	} else {
1005	// remove styles
1006	wp_dequeue_style( 'woocommerce_prettyPhoto_css' );
1007
1008	// remove scripts
1009	wp_dequeue_script( 'prettyPhoto' );
1010	wp_dequeue_script( 'prettyPhoto-init' );
1011	wp_dequeue_script( 'fancybox' );
1012	wp_dequeue_script( 'enable-lightbox' );
1013	}
1014	}
1015	}
1016	}
1017
1018	// Visual Composer lightbox
1019	if ( class_exists( 'Vc_Manager' ) ) {
1020	wp_dequeue_script( 'prettyphoto' );
1021	wp_deregister_script( 'prettyphoto' );
1022	wp_dequeue_style( 'prettyphoto' );
1023	wp_deregister_style( 'prettyphoto' );
1024	}
1025	}
1026
1027	/**
1028	* Apply lightbox to WooCommerce product image.
1029	*
1030	* @param mixed $html
1031	* @return mixed
1032	*/
1033	public function woocommerce_single_product_image_html( $html ) {
1034	if ( Responsive_Lightbox()->options['settings']['woocommerce_gallery_lightbox'] )
1035	$html = preg_replace( '/data-rel=\"(.*?)\"/', 'data-rel="' . Responsive_Lightbox()->options['settings']['selector'] . '-gallery-' . $this->gallery_no . '"', $html );
1036
1037	return $html;
1038	}
1039
1040	/**
1041	* Apply lightbox to WooCommerce product gallery.
1042	*
1043	* @param mixed $html
1044	* @return mixed
1045	*/
1046	public function woocommerce_single_product_image_thumbnail_html( $html ) {
1047	if ( Responsive_Lightbox()->options['settings']['woocommerce_gallery_lightbox'] ) {
1048	// make sure main product image has same gallery number
1049	$gallery_no = $this->gallery_no + 1;
1050
1051	$html = preg_replace( '/data-rel=\"(.*?)\"/', 'data-rel="' . Responsive_Lightbox()->options['settings']['selector'] . '-gallery-' . $gallery_no . '"', $html );
1052
1053	preg_match( '/<a(.?)((?:data-rel)=(?:\'\|").?(?:\'\|"))(.*?)>/i', $html, $result );
1054
1055	// no data-rel?
1056	if ( empty( $result ) ) {
1057	preg_match( '/^(.?)<a(.?)((?:href)=(?:\'\|").?(?:\'\|"))(.?)>(.*?)$/i', $html, $result );
1058
1059	// found valid link?
1060	if ( ! empty( $result ) )
1061	$html = $result[1] . '<a' . $result[2] . ' data-rel="' . Responsive_Lightbox()->options['settings']['selector'] . '-gallery-' . $gallery_no . '" ' . $result[3] . $result[4] . '>' . $result[5];
1062	}
1063	}
1064
1065	return $html;
1066	}
1067
1068	/**
1069	* WooCommerce gallery init.
1070	*/
1071	public function woocommerce_gallery_init() {
1072	if ( ( $priority = has_action( 'woocommerce_product_thumbnails', 'woocommerce_show_product_thumbnails' ) ) != false && ! empty( Responsive_Lightbox()->options['settings']['default_woocommerce_gallery'] ) && Responsive_Lightbox()->options['settings']['default_woocommerce_gallery'] !== 'default' ) {
1073	// remove default gallery
1074	remove_action( 'woocommerce_product_thumbnails', 'woocommerce_show_product_thumbnails', $priority );
1075
1076	// handle product gallery
1077	add_action( 'woocommerce_product_thumbnails', array( $this, 'woocommerce_gallery' ), $priority );
1078	}
1079	}
1080
1081	/**
1082	* WooCommerce gallery support.
1083	*
1084	* @global object $product
1085	* @return mixed
1086	*/
1087	public function woocommerce_gallery() {
1088	global $product;
1089
1090	$attachment_ids = array();
1091
1092	// WooCommerce 3.x
1093	if ( method_exists( $product, 'get_gallery_image_ids' ) )
1094	$attachment_ids = $product->get_gallery_image_ids();
1095	// WooCommerce 2.x
1096	elseif ( method_exists( $product, 'get_gallery_attachment_ids' ) )
1097	$attachment_ids = $product->get_gallery_attachment_ids();
1098
1099	if ( ! empty( $attachment_ids ) && is_array( $attachment_ids ) )
1100	echo do_shortcode( '[gallery type="' . Responsive_Lightbox()->options['settings']['default_woocommerce_gallery'] . '" size="' . apply_filters( 'single_product_small_thumbnail_size', 'medium' ) . '" ids="' . implode( ',', $attachment_ids ) . '"]' );
1101	}
1102
1103	/**
1104	* Get attachment title function
1105	*
1106	* @param int $id
1107	* @param string $title_arg
1108	* @return string
1109	*/
1110	public function get_attachment_title( $id, $title_arg ) {
1111	if ( empty( $title_arg ) \|\| empty( $id ) )
1112	return false;
1113
1114	switch( $title_arg ) {
1115	case 'title':
1116	$title = get_the_title( $id );
1117	break;
1118
1119	case 'caption':
1120	$title = get_post_field( 'post_excerpt', $id ) ;
1121	break;
1122
1123	case 'alt':
1124	$title = get_post_meta( $id, '_wp_attachment_image_alt', true );
1125	break;
1126
1127	case 'description':
1128	$title = get_post_field( 'post_content', $id ) ;
1129	break;
1130
1131	default:
1132	$title = '';
1133	}
1134
1135	return apply_filters( 'rl_get_attachment_title', $title, $id, $title_arg );
1136	}
1137
1138	/**
1139	* Get attachment id by url function, adjusted to work for cropped images
1140	*
1141	* @param string $url
1142	* @return int
1143	*/
1144	public function get_attachment_id_by_url( $url ) {
1145	$url = ! empty( $url ) ? esc_url( $url ) : '';
1146
1147	// get cached data
1148	// $post_id = wp_cache_get( md5( $url ), 'rl-attachment_id_by_url' );
1149	$post_ids = get_transient( 'rl-attachment_ids_by_url' );
1150	$post_id = 0;
1151
1152	// cached url not found?
1153	if ( $post_ids === false \|\| ! in_array( $url, array_keys( $post_ids ) ) ) {
1154	$post_id = attachment_url_to_postid( $url );
1155
1156	if ( ! $post_id ) {
1157	$dir = wp_upload_dir();
1158	$path = $url;
1159
1160	if ( strpos( $path, $dir['baseurl'] . '/' ) === 0 )
1161	$path = substr( $path, strlen( $dir['baseurl'] . '/' ) );
1162
1163	if ( preg_match( '/^(.)(\-\dx\d*)(\.\w{1,})/i', $path, $matches ) )
1164	$post_id = attachment_url_to_postid( $dir['baseurl'] . '/' . $matches[1] . $matches[3] );
1165	}
1166
1167	// set the cache expiration, 24 hours by default
1168	$expire = absint( apply_filters( 'rl_object_cache_expire', DAY_IN_SECONDS ) );
1169
1170	// wp_cache_add( md5( $url ), $post_id, 'rl-attachment_id_by_url', $expire );
1171
1172	$post_ids[$url] = $post_id;
1173
1174	set_transient( 'rl-attachment_ids_by_url', $post_ids, $expire );
1175	// cached url found
1176	} elseif ( ! empty( $post_ids[$url] ) )
1177	$post_id = absint( $post_ids[$url] );
1178
1179	return (int) apply_filters( 'rl_get_attachment_id_by_url', $post_id, $url );
1180	}
1181
1182	/**
1183	* Get image size by URL.
1184	*
1185	* @param string $url Image URL
1186	* @return array
1187	*/
1188	public function get_image_size_by_url( $url ) {
1189	$url = ! empty( $url ) ? esc_url( $url ) : '';
1190	$size = array( 0, 0 );
1191
1192	if ( ! empty( $url ) ) {
1193	// get cached data
1194	$image_sizes = get_transient( 'rl-image_sizes_by_url' );
1195
1196	// cached url not found?
1197	if ( $image_sizes === false \|\| ! in_array( $url, array_keys( $image_sizes ) ) \|\| empty( $image_sizes[$url] ) ) {
1198	if ( class_exists( 'Responsive_Lightbox_Fast_Image' ) ) {
1199	// loading image
1200	$image = new Responsive_Lightbox_Fast_Image( $url );
1201
1202	// get size
1203	$size = $image->get_size();
1204	} else {
1205	// get size using php
1206	$size = getimagesize( $url );
1207	}
1208
1209	// set the cache expiration, 24 hours by default
1210	$expire = absint( apply_filters( 'rl_object_cache_expire', DAY_IN_SECONDS ) );
1211
1212	$image_sizes[$url] = $size;
1213
1214	set_transient( 'rl-image_sizes_by_url', $image_sizes, $expire );
1215	// cached url found
1216	} elseif ( ! empty( $image_sizes[$url] ) )
1217	$size = array_map( 'absint', $image_sizes[$url] );
1218	}
1219
1220	return apply_filters( 'rl_get_image_size_by_url', $size, $url );
1221	}
1222
1223	/**
1224	* Add gallery shortcode to gallery post content.
1225	*
1226	* @param string $content
1227	* @return string Updated content
1228	*/
1229	public function gallery_preview( $content ) {
1230	if ( get_post_type() === 'rl_gallery' && ! ( is_archive() && is_main_query() ) )
1231	$content .= do_shortcode( '[rl_gallery id="' . get_the_ID() . '"]' );
1232
1233	return $content;
1234	}
1235
1236	/**
1237	* Helper: gallery number function
1238	*
1239	* @param mixed $content
1240	* @return mixed
1241	*/
1242	public function gallery_attributes( $content, $shortcode_atts ) {
1243	++$this->gallery_no;
1244
1245	// add inline style, to our galleries only
1246	if ( isset( $shortcode_atts['type'] ) ) {
1247	// gallery style
1248	wp_enqueue_style( 'responsive-lightbox-gallery' );
1249
1250	// is there rl_gallery ID?
1251	$rl_gallery_id = ! empty( $shortcode_atts['rl_gallery_id'] ) ? (int) $shortcode_atts['rl_gallery_id'] : 0;
1252
1253	// is it rl gallery?
1254	$rl_gallery = Responsive_Lightbox()->options['builder']['gallery_builder'] && $rl_gallery_id && get_post_type( $rl_gallery_id ) === 'rl_gallery';
1255
1256	// is it rl gallery? add design options
1257	if ( $rl_gallery ) {
1258	$fields = Responsive_Lightbox()->galleries->fields['design']['options'];
1259
1260	// get gallery fields attributes
1261	$field_atts = rl_get_gallery_fields_atts( $fields, $shortcode_atts, $rl_gallery );
1262
1263	// get only valid arguments
1264	$atts = shortcode_atts( $field_atts, array_merge( $field_atts, $shortcode_atts ), 'gallery' );
1265
1266	// sanitize gallery fields
1267	$atts = $this->sanitize_shortcode_args( $atts, $fields );
1268
1269	// add inline style
1270	$inline_css = '
1271	.rl-gallery .rl-gallery-link {
1272	border: ' . $atts['border_width'] . 'px solid ' . $atts['border_color'] . ';
1273	}
1274	.rl-gallery .rl-gallery-link .rl-gallery-item-title {
1275	color: ' . $atts['title_color'] . ';
1276	}
1277	.rl-gallery .rl-gallery-link .rl-gallery-item-caption {
1278	color: ' . $atts['caption_color'] . ';
1279	}
1280	.rl-gallery .rl-gallery-link .rl-gallery-caption,
1281	.rl-gallery .rl-gallery-link:after {
1282	background-color: rgba( ' . implode( ', ', Responsive_Lightbox()->hex2rgb( $atts['background_color'] ) ) . ', ' . round( $atts['background_opacity'] / 100, 2 ) . ' );
1283	}
1284	[class^="rl-hover-icon-"] .rl-gallery-link:before,
1285	[class*=" rl-hover-icon-"] .rl-gallery-link:before {
1286	color: ' . $atts['title_color'] . ';
1287	background-color: rgba( ' . implode( ', ', Responsive_Lightbox()->hex2rgb( $atts['background_color'] ) ) . ', ' . round( $atts['background_opacity'] / 100, 2 ) . ' );
1288	}
1289	';
1290
1291	wp_add_inline_style( 'responsive-lightbox-gallery', $inline_css );
1292	}
1293	}
1294
1295	return $content;
1296	}
1297
1298	/**
1299	* Generate unique hash.
1300	*
1301	* @param int $length
1302	* @return string
1303	*/
1304	private function generate_hash( $length = 8 ) {
1305	$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
1306	$hash = '';
1307
1308	for( $i = 0; $i < $length; $i++ ) {
1309	$hash .= substr( $chars, mt_rand( 0, strlen( $chars ) - 1 ), 1 );
1310	}
1311
1312	return $hash;
1313	}
1314
1315	/**
1316	* Replace widget callback function.
1317	*
1318	* @global array $wp_registered_widgets
1319	* @param array $sidebar_params
1320	* @return type
1321	*/
1322	public function dynamic_sidebar_params( $sidebar_params ) {
1323	if ( ( is_admin() && ! ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) \|\| Responsive_Lightbox()->options['settings']['widgets'] != true )
1324	return $sidebar_params;
1325
1326	global $wp_registered_widgets;
1327
1328	$widget_id = $sidebar_params[0]['widget_id'];
1329	$wp_registered_widgets[ $widget_id ]['original_callback'] = $wp_registered_widgets[ $widget_id ]['callback'];
1330	$wp_registered_widgets[ $widget_id ]['callback'] = array( $this, 'widget_callback_function' );
1331
1332	return $sidebar_params;
1333	}
1334
1335	/**
1336	* Widget callback function.
1337	*
1338	* @global array $wp_registered_widgets
1339	*/
1340	public function widget_callback_function() {
1341	global $wp_registered_widgets;
1342
1343	$original_callback_params = func_get_args();
1344	$widget_id = $original_callback_params[0]['widget_id'];
1345	$original_callback = $wp_registered_widgets[ $widget_id ]['original_callback'];
1346	$wp_registered_widgets[ $widget_id ]['callback'] = $original_callback;
1347	$widget_id_base = $wp_registered_widgets[ $widget_id ]['callback'][0]->id_base;
1348
1349	if ( is_callable( $original_callback ) ) {
1350	ob_start();
1351
1352	call_user_func_array( $original_callback, $original_callback_params );
1353
1354	$widget_output = ob_get_clean();
1355
1356	echo apply_filters( 'rl_widget_output', $widget_output, $widget_id_base, $widget_id );
1357	}
1358	}
1359
1360	/**
1361	* Filter widget output.
1362	*
1363	* @param mixed $widget_output
1364	* @param string $widget_id_base
1365	* @param id $widget_id
1366	* @return mixed
1367	*/
1368	public function widget_output( $content, $widget_id_base, $widget_id ) {
1369	return $this->add_lightbox( $content );
1370	}
1371
1372	/**
1373	* Filter comment content.
1374	*
1375	* @param mixed $comment_content
1376	* @return mixed
1377	*/
1378	public function get_comment_text( $content ) {
1379	if ( ( is_admin() && ! ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) \|\| Responsive_Lightbox()->options['settings']['comments'] != true )
1380	return $content;
1381
1382	return $this->add_lightbox( $content );
1383	}
1384
1385	/**
1386	* Modify gallery container class.
1387	*
1388	* @param string $class
1389	* @param array $args
1390	* @param int $gallery_id
1391	* @return void
1392	*/
1393	public function gallery_container_class( $class, $args, $gallery_id ) {
1394	if ( $gallery_id ) {
1395	$class .= ' rl-loading';
1396
1397	if ( $args['pagination'] )
1398	$class .= ' rl-pagination-' . $args['pagination_type'];
1399	}
1400
1401	return $class;
1402	}
1403
1404	/**
1405	* Display content before the gallery.
1406	*
1407	* @param array $args
1408	* @param int $gallery_id
1409	* @return void
1410	*/
1411	public function before_gallery( $args, $gallery_id ) {
1412	// if ( $gallery_id && ! ( isset( $_POST['action'] ) && $_POST['action'] === 'rl-get-gallery-page-content' ) ) {
1413	if ( $gallery_id ) {
1414	if ( isset( $args['gallery_title_position'] ) && $args['gallery_title_position'] === 'top' && get_post_type() !== 'rl_gallery' )
1415	echo '<div class="rl-gallery-title">' . esc_html( get_the_title( $gallery_id ) ) . '</div>';
1416
1417	if ( isset( $args['gallery_description_position'] ) && $args['gallery_description_position'] === 'top' )
1418	echo '<div class="rl-gallery-description">' . nl2br( esc_html( $args['gallery_description'] ) ) . '</div>';
1419	}
1420	}
1421
1422	/**
1423	* Display content after the gallery.
1424	*
1425	* @param array $args
1426	* @param int $gallery_id
1427	* @return void
1428	*/
1429	public function after_gallery( $args, $gallery_id ) {
1430	if ( $gallery_id ) {
1431	if ( isset( $args['gallery_title_position'] ) && $args['gallery_title_position'] === 'bottom' && get_post_type() !== 'rl_gallery' )
1432	echo '<div class="rl-gallery-title">' . esc_html( get_the_title( $gallery_id ) ) . '</div>';
1433
1434	if ( isset( $args['gallery_description_position'] ) && $args['gallery_description_position'] === 'bottom' )
1435	echo '<div class="rl-gallery-description">' . nl2br( esc_html( $args['gallery_description'] ) ) . '</div>';
1436	}
1437	}
1438
1439	/**
1440	* Add lightbox to Visual Composer shortcodes.
1441	*
1442	* @param string $content HTML content
1443	* @param string $shortcode Shortcode type
1444	* @return string Changed HTML content
1445	*/
1446	public function vc_shortcode_content_filter_after( $content, $shortcode ) {
1447	if ( in_array( $shortcode, apply_filters( 'rl_lightbox_vc_allowed_shortcode', array( 'vc_gallery', 'vc_single_image', 'vc_images_carousel' ) ), true ) )
1448	$content = $this->add_lightbox( $content );
1449
1450	return $content;
1451	}
1452
1453	/**
1454	* Render Basic Grid gallery shortcode.
1455	*
1456	* @global object $post Post object
1457	* @param mixed $output HTML output
1458	* @param array $shortcode_atts Shortcode attributes
1459	* @return string HTML output
1460	*/
1461	public function basic_grid_gallery_shortcode( $output, $shortcode_atts ) {
1462	if ( ! empty( $output ) )
1463	return $output;
1464
1465	global $post;
1466
1467	$defaults = array(
1468	'rl_gallery_id' => 0,
1469	'id' => isset( $post->ID ) ? (int) $post->ID : 0,
1470	'class' => '',
1471	'include' => '',
1472	'exclude' => '',
1473	'urls' => '',
1474	'type' => '',
1475	'order' => 'asc',
1476	'orderby' => 'menu_order',
1477	'size' => 'medium',
1478	'link' => 'file',
1479	'columns' => 3
1480	);
1481
1482	// get main instance
1483	$rl = Responsive_Lightbox();
1484
1485	// is there rl_gallery ID?
1486	$rl_gallery_id = $defaults['rl_gallery_id'] = ! empty( $shortcode_atts['rl_gallery_id'] ) ? (int) $shortcode_atts['rl_gallery_id'] : 0;
1487
1488	// is it rl gallery?
1489	$rl_gallery = $rl->options['builder']['gallery_builder'] && $rl_gallery_id && get_post_type( $rl_gallery_id ) === 'rl_gallery';
1490
1491	if ( ! array_key_exists( 'type', $shortcode_atts ) )
1492	$shortcode_atts['type'] = '';
1493
1494	// break if it is not basic grid gallery - first check
1495	if ( ! ( $shortcode_atts['type'] === 'basicgrid' \|\| ( $shortcode_atts['type'] === '' && ( ( $rl_gallery && $rl->options['settings']['builder_gallery'] === 'basicgrid' ) \|\| ( ! $rl_gallery && $rl->options['settings']['default_gallery'] === 'basicgrid' ) ) ) ) )
1496	return $output;
1497
1498	// get shortcode gallery fields combined with defaults
1499	$fields = rl_get_gallery_fields( 'basicgrid' );
1500
1501	// get gallery fields attributes
1502	$field_atts = rl_get_gallery_fields_atts( $fields, $shortcode_atts, $rl_gallery );
1503
1504	// is it rl gallery? add misc and lightbox fields
1505	if ( $rl_gallery )
1506	$fields += $rl->galleries->fields['lightbox']['options'] + $rl->galleries->fields['misc']['options'];
1507
1508	// get only valid arguments
1509	$atts = shortcode_atts( array_merge( $defaults, $field_atts ), $shortcode_atts, 'gallery' );
1510
1511	// sanitize gallery fields
1512	$atts = $this->sanitize_shortcode_args( $atts, $fields );
1513
1514	// break if it is not basic grid gallery
1515	if ( ! ( $atts['type'] === 'basicgrid' \|\| ( $atts['type'] === '' && ( ( $rl_gallery && $rl->options['settings']['builder_gallery'] === 'basicgrid' ) \|\| ( ! $rl_gallery && $rl->options['settings']['default_gallery'] === 'basicgrid' ) ) ) ) )
1516	return $output;
1517
1518	// ID
1519	$atts['id'] = (int) $atts['id'];
1520
1521	// add custom classes if needed
1522	if ( $rl_gallery )
1523	$atts['class'] .= ' ' . $atts['gallery_custom_class'];
1524
1525	// any classes?
1526	if ( $atts['class'] !== '' ) {
1527	$atts['class'] = trim( $atts['class'] );
1528
1529	// more than 1 class?
1530	if ( strpos( $atts['class'], ' ' ) !== false ) {
1531	// get unique valid HTML classes
1532	$atts['class'] = array_unique( array_filter( array_map( 'sanitize_html_class', explode( ' ', $atts['class'] ) ) ) );
1533
1534	if ( ! empty( $atts['class'] ) )
1535	$atts['class'] = implode( ' ', $atts['class'] );
1536	else
1537	$atts['class'] = '';
1538	// single class
1539	} else
1540	$atts['class'] = sanitize_html_class( $atts['class'] );
1541	}
1542
1543	// orderby
1544	if ( empty( $atts['orderby'] ) ) {
1545	$atts['orderby'] = sanitize_sql_orderby( $atts['orderby'] );
1546
1547	if ( empty( $atts['orderby'] ) )
1548	$atts['orderby'] = $defaults['orderby'];
1549	}
1550
1551	// order
1552	if ( strtolower( $atts['order'] ) === 'rand' )
1553	$atts['orderby'] = 'rand';
1554
1555	// check columns
1556	if ( $atts['columns_lg'] === 0 )
1557	$atts['columns_lg'] = $atts['columns'];
1558
1559	if ( $atts['columns_md'] === 0 )
1560	$atts['columns_md'] = $atts['columns'];
1561
1562	if ( $atts['columns_sm'] === 0 )
1563	$atts['columns_sm'] = $atts['columns'];
1564
1565	if ( $atts['columns_xs'] === 0 )
1566	$atts['columns_xs'] = $atts['columns'];
1567
1568	// gallery lightbox source size
1569	if ( ! empty( $atts['lightbox_image_size'] ) ) {
1570	if ( $atts['lightbox_image_size'] === 'global' )
1571	$atts['src_size'] = $rl->options['settings']['gallery_image_size'];
1572	elseif ( $atts['lightbox_image_size'] === 'lightbox_custom_size' && isset( $atts['lightbox_custom_size_width'], $atts['lightbox_custom_size_height'] ) )
1573	$atts['src_size'] = array( $atts['lightbox_custom_size_width'], $atts['lightbox_custom_size_height'] );
1574	else
1575	$atts['src_size'] = $atts['lightbox_image_size'];
1576	} else
1577	$atts['src_size'] = $rl->options['settings']['gallery_image_size'];
1578
1579	// filter all shortcode arguments
1580	$atts = apply_filters( 'rl_gallery_shortcode_atts', $atts, $rl_gallery_id );
1581
1582	// get gallery images
1583	$images = rl_get_gallery_shortcode_images( $atts );
1584
1585	if ( empty( $images ) \|\| is_feed() \|\| defined( 'IS_HTML_EMAIL' ) )
1586	return $output;
1587
1588	$gallery_no = $this->gallery_no;
1589
1590	ob_start(); ?>
1591
1592	<div class="rl-gallery-container<?php echo apply_filters( 'rl_gallery_container_class', '', $atts, $rl_gallery_id ); ?>" id="rl-gallery-container-<?php echo $gallery_no; ?>" data-gallery_id="<?php echo $rl_gallery_id; ?>">
1593
1594	<?php do_action( 'rl_before_gallery', $atts, $rl_gallery_id ); ?>
1595
1596	<div class="rl-gallery rl-basicgrid-gallery <?php echo $atts['class']; ?>" id="rl-gallery-<?php echo $gallery_no; ?>" data-gallery_no="<?php echo $gallery_no; ?>">
1597
1598	<?php foreach ( $images as $image ) {
1599	echo '<div class="rl-gallery-item">' . $image['link'] . '</div>';
1600	} ?>
1601
1602	</div>
1603
1604	<?php do_action( 'rl_after_gallery', $atts, $rl_gallery_id ); ?>
1605
1606	</div>
1607
1608	<?php $gallery_html = ob_get_contents();
1609
1610	ob_end_clean();
1611
1612	// styles
1613	wp_enqueue_style( 'responsive-lightbox-basicgrid-gallery', plugins_url( 'css/gallery-basicgrid.css', dirname( __FILE__ ) ), array(), $rl->defaults['version'] );
1614
1615	// add inline style
1616	$inline_css = '
1617	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery {
1618	padding: ' . ( -$atts['gutter'] ) . 'px;
1619	}
1620	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery .rl-gallery-item {
1621	width: calc(' . ( 100 / $atts['columns'] ) . '% - ' . $atts['gutter'] . 'px);
1622	margin: ' . ( $atts['gutter'] / 2 ) . 'px;
1623	}
1624	@media all and (min-width: 1200px) {
1625	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery .rl-gallery-item {
1626	width: calc(' . ( 100 / $atts['columns_lg'] ) . '% - ' . $atts['gutter'] . 'px);
1627	}
1628	}
1629	@media all and (min-width: 992px) and (max-width: 1200px) {
1630	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery .rl-gallery-item {
1631	width: calc(' . ( 100 / $atts['columns_md'] ) . '% - ' . $atts['gutter'] . 'px);
1632	}
1633	}
1634	@media all and (min-width: 768px) and (max-width: 992px) {
1635	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery .rl-gallery-item {
1636	width: calc(' . ( 100 / $atts['columns_sm'] ) . '% - ' . $atts['gutter'] . 'px);
1637	}
1638	}
1639	@media all and (max-width: 768px) {
1640	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery .rl-gallery-item {
1641	width: calc(' . ( 100 / $atts['columns_xs'] ) . '% - ' . $atts['gutter'] . 'px);
1642	}
1643	}
1644	';
1645
1646	if ( $atts['force_height'] ) {
1647	$inline_css .= '
1648	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery .rl-gallery-item {
1649	height: ' . ( $atts['row_height'] ) . 'px;
1650	}
1651	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery .rl-gallery-item img {
1652	height: ' . ( $atts['row_height'] ) . 'px;
1653	object-fit: cover;
1654	max-width: 100%;
1655	min-width: 100%;
1656	}';
1657	}
1658
1659	wp_add_inline_style( 'responsive-lightbox-basicgrid-gallery', $inline_css );
1660
1661	// remove any new lines from the output so that the reader parses it better
1662	return apply_filters( 'rl_gallery_shortcode_html', trim( preg_replace( '/\s+/', ' ', $gallery_html ) ), $atts, $rl_gallery_id );
1663	}
1664
1665	/**
1666	* Render Basic Slider gallery shortcode.
1667	*
1668	* @global object $post Post object
1669	* @param mixed $output HTML output
1670	* @param array $shortcode_atts Shortcode attributes
1671	* @return string HTML output
1672	*/
1673	public function basic_slider_gallery_shortcode( $output, $shortcode_atts ) {
1674	if ( ! empty( $output ) )
1675	return $output;
1676
1677	global $post;
1678
1679	$defaults = array(
1680	'rl_gallery_id' => 0,
1681	'id' => isset( $post->ID ) ? (int) $post->ID : 0,
1682	'class' => '',
1683	'include' => '',
1684	'exclude' => '',
1685	'urls' => '',
1686	'type' => '',
1687	'order' => 'asc',
1688	'orderby' => 'menu_order',
1689	'size' => 'medium',
1690	'link' => 'file',
1691	'columns' => 3
1692	);
1693
1694	// get main instance
1695	$rl = Responsive_Lightbox();
1696
1697	// is there rl_gallery ID?
1698	$rl_gallery_id = $defaults['rl_gallery_id'] = ! empty( $shortcode_atts['rl_gallery_id'] ) ? (int) $shortcode_atts['rl_gallery_id'] : 0;
1699
1700	// is it rl gallery?
1701	$rl_gallery = $rl->options['builder']['gallery_builder'] && $rl_gallery_id && get_post_type( $rl_gallery_id ) === 'rl_gallery';
1702
1703	if ( ! array_key_exists( 'type', $shortcode_atts ) )
1704	$shortcode_atts['type'] = '';
1705
1706	// break if it is not basic slider gallery - first check
1707	if ( ! ( $shortcode_atts['type'] === 'basicslider' \|\| ( $shortcode_atts['type'] === '' && ( ( $rl_gallery && $rl->options['settings']['builder_gallery'] === 'basicslider' ) \|\| ( ! $rl_gallery && $rl->options['settings']['default_gallery'] === 'basicslider' ) ) ) ) )
1708	return $output;
1709
1710	// get shortcode gallery fields combined with defaults
1711	$fields = rl_get_gallery_fields( 'basicslider' );
1712
1713	// get gallery fields attributes
1714	$field_atts = rl_get_gallery_fields_atts( $fields, $shortcode_atts, $rl_gallery );
1715
1716	// is it rl gallery? add misc and lightbox fields
1717	if ( $rl_gallery )
1718	$fields += $rl->galleries->fields['lightbox']['options'] + $rl->galleries->fields['misc']['options'];
1719
1720	// get only valid arguments
1721	$atts = shortcode_atts( array_merge( $defaults, $field_atts ), $shortcode_atts, 'gallery' );
1722
1723	// sanitize gallery fields
1724	$atts = $this->sanitize_shortcode_args( $atts, $fields );
1725
1726	// break if it is not basic slider gallery
1727	if ( ! ( $atts['type'] === 'basicslider' \|\| ( $atts['type'] === '' && ( ( $rl_gallery && $rl->options['settings']['builder_gallery'] === 'basicslider' ) \|\| ( ! $rl_gallery && $rl->options['settings']['default_gallery'] === 'basicslider' ) ) ) ) )
1728	return $output;
1729
1730	// ID
1731	$atts['id'] = (int) $atts['id'];
1732
1733	// add custom classes if needed
1734	if ( $rl_gallery )
1735	$atts['class'] .= ' ' . $atts['gallery_custom_class'];
1736
1737	// any classes?
1738	if ( $atts['class'] !== '' ) {
1739	$atts['class'] = trim( $atts['class'] );
1740
1741	// more than 1 class?
1742	if ( strpos( $atts['class'], ' ' ) !== false ) {
1743	// get unique valid HTML classes
1744	$atts['class'] = array_unique( array_filter( array_map( 'sanitize_html_class', explode( ' ', $atts['class'] ) ) ) );
1745
1746	if ( ! empty( $atts['class'] ) )
1747	$atts['class'] = implode( ' ', $atts['class'] );
1748	else
1749	$atts['class'] = '';
1750	// single class
1751	} else
1752	$atts['class'] = sanitize_html_class( $atts['class'] );
1753	}
1754
1755	// orderby
1756	if ( empty( $atts['orderby'] ) ) {
1757	$atts['orderby'] = sanitize_sql_orderby( $atts['orderby'] );
1758
1759	if ( empty( $atts['orderby'] ) )
1760	$atts['orderby'] = $defaults['orderby'];
1761	}
1762
1763	// order
1764	if ( strtolower( $atts['order'] ) === 'rand' )
1765	$atts['orderby'] = 'rand';
1766
1767	// gallery lightbox source size
1768	if ( ! empty( $atts['lightbox_image_size'] ) ) {
1769	if ( $atts['lightbox_image_size'] === 'global' )
1770	$atts['src_size'] = $rl->options['settings']['gallery_image_size'];
1771	elseif ( $atts['lightbox_image_size'] === 'lightbox_custom_size' && isset( $atts['lightbox_custom_size_width'], $atts['lightbox_custom_size_height'] ) )
1772	$atts['src_size'] = array( $atts['lightbox_custom_size_width'], $atts['lightbox_custom_size_height'] );
1773	else
1774	$atts['src_size'] = $atts['lightbox_image_size'];
1775	} else
1776	$atts['src_size'] = $rl->options['settings']['gallery_image_size'];
1777
1778	// filter all shortcode arguments
1779	$atts = apply_filters( 'rl_gallery_shortcode_atts', $atts, $rl_gallery_id );
1780
1781	// get gallery images
1782	$images = rl_get_gallery_shortcode_images( $atts );
1783
1784	if ( empty( $images ) \|\| is_feed() \|\| defined( 'IS_HTML_EMAIL' ) )
1785	return $output;
1786
1787	$gallery_no = $this->gallery_no;
1788
1789	ob_start(); ?>
1790
1791	<div class="rl-gallery-container<?php echo apply_filters( 'rl_gallery_container_class', '', $atts, $rl_gallery_id ); ?>" id="rl-gallery-container-<?php echo $gallery_no; ?>" data-gallery_id="<?php echo $rl_gallery_id; ?>">
1792
1793	<?php do_action( 'rl_before_gallery', $atts, $rl_gallery_id ); ?>
1794
1795	<ul class="rl-gallery rl-basicslider-gallery <?php echo $atts['class']; ?>" id="rl-gallery-<?php echo $gallery_no; ?>" data-gallery_no="<?php echo $gallery_no; ?>">
1796
1797	<?php foreach ( $images as $image ) {
1798	echo '<li class="rl-gallery-item">' . $image['link'] . '</li>';
1799	} ?>
1800
1801	</ul>
1802
1803	<?php do_action( 'rl_after_gallery', $atts, $rl_gallery_id ); ?>
1804
1805	</div>
1806
1807	<?php $gallery_html = ob_get_contents();
1808
1809	ob_end_clean();
1810
1811	// scripts
1812	wp_register_script( 'responsive-lightbox-basicslider-gallery-js', plugins_url( 'assets/slippry/slippry' . ( ! ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ? '.min' : '' ) . '.js', dirname( __FILE__ ) ), array( 'jquery' ), $rl->defaults['version'], ( $rl->options['settings']['loading_place'] === 'footer' ) );
1813	wp_enqueue_script( 'responsive-lightbox-basicslider-gallery', plugins_url( 'js/front-basicslider.js', dirname( __FILE__ ) ), array( 'jquery', 'responsive-lightbox-basicslider-gallery-js' ), $rl->defaults['version'], ( $rl->options['settings']['loading_place'] === 'footer' ) );
1814
1815	// styles
1816	wp_enqueue_style( 'responsive-lightbox-basicslider-gallery', plugins_url( 'assets/slippry/slippry' . ( ! ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ? '.min' : '' ) . '.css', dirname( __FILE__ ) ), array(), $rl->defaults['version'] );
1817
1818	wp_localize_script(
1819	'responsive-lightbox-basicslider-gallery',
1820	'rlArgsBasicSliderGallery' . ( $gallery_no + 1 ),
1821	json_encode(
1822	array(
1823	'adaptive_height' => $atts['adaptive_height'],
1824	'loop' => $atts['loop'],
1825	'captions' => $atts['captions'],
1826	'init_single' => $atts['init_single'],
1827	'responsive' => $atts['responsive'],
1828	'preload' => $atts['preload'],
1829	'pager' => $atts['pager'],
1830	'controls' => $atts['controls'],
1831	'hide_on_end' => $atts['hide_on_end'],
1832	'slide_margin' => $atts['slide_margin'],
1833	'transition' => $atts['transition'],
1834	'kenburns_zoom' => $atts['kenburns_zoom'],
1835	'speed' => $atts['speed'],
1836	'easing' => $atts['easing'],
1837	'continuous' => $atts['continuous'],
1838	'use_css' => $atts['use_css'],
1839	'slideshow' => $atts['slideshow'],
1840	'slideshow_direction' => $atts['slideshow_direction'],
1841	'slideshow_hover' => $atts['slideshow_hover'],
1842	'slideshow_hover_delay' => $atts['slideshow_hover_delay'],
1843	'slideshow_delay' => $atts['slideshow_delay'],
1844	'slideshow_pause' => $atts['slideshow_pause']
1845	)
1846	)
1847	);
1848
1849	// remove any new lines from the output so that the reader parses it better
1850	return apply_filters( 'rl_gallery_shortcode_html', trim( preg_replace( '/\s+/', ' ', $gallery_html ) ), $atts, $rl_gallery_id );
1851	}
1852
1853	/**
1854	* Render Basic Masonry gallery shortcode.
1855	*
1856	* @global object $post Post object
1857	* @param mixed $output HTML output
1858	* @param array $shortcode_atts Shortcode attributes
1859	* @return string HTML output
1860	*/
1861	public function basic_masonry_gallery_shortcode( $output, $shortcode_atts ) {
1862	if ( ! empty( $output ) )
1863	return $output;
1864
1865	global $post;
1866
1867	$defaults = array(
1868	'rl_gallery_id' => 0,
1869	'id' => isset( $post->ID ) ? (int) $post->ID : 0,
1870	'class' => '',
1871	'include' => '',
1872	'exclude' => '',
1873	'urls' => '',
1874	'type' => '',
1875	'order' => 'asc',
1876	'orderby' => 'menu_order',
1877	'size' => 'medium',
1878	'link' => 'file',
1879	'columns' => 3
1880	);
1881
1882	// get main instance
1883	$rl = Responsive_Lightbox();
1884
1885	// is there rl_gallery ID?
1886	$rl_gallery_id = $defaults['rl_gallery_id'] = ! empty( $shortcode_atts['rl_gallery_id'] ) ? (int) $shortcode_atts['rl_gallery_id'] : 0;
1887
1888	// is it rl gallery?
1889	$rl_gallery = $rl->options['builder']['gallery_builder'] && $rl_gallery_id && get_post_type( $rl_gallery_id ) === 'rl_gallery';
1890
1891	if ( ! array_key_exists( 'type', $shortcode_atts ) )
1892	$shortcode_atts['type'] = '';
1893
1894	// break if it is not basic masonry gallery - first check
1895	if ( ! ( $shortcode_atts['type'] === 'basicmasonry' \|\| ( $shortcode_atts['type'] === '' && ( ( $rl_gallery && $rl->options['settings']['builder_gallery'] === 'basicmasonry' ) \|\| ( ! $rl_gallery && $rl->options['settings']['default_gallery'] === 'basicmasonry' ) ) ) ) )
1896	return $output;
1897
1898	// get shortcode gallery fields combined with defaults
1899	$fields = rl_get_gallery_fields( 'basicmasonry' );
1900
1901	// get gallery fields attributes
1902	$field_atts = rl_get_gallery_fields_atts( $fields, $shortcode_atts, $rl_gallery );
1903
1904	// is it rl gallery? add misc and lightbox fields
1905	if ( $rl_gallery )
1906	$fields += $rl->galleries->fields['lightbox']['options'] + $rl->galleries->fields['misc']['options'];
1907
1908	// get only valid arguments
1909	$atts = shortcode_atts( array_merge( $defaults, $field_atts ), $shortcode_atts, 'gallery' );
1910
1911	// sanitize gallery fields
1912	$atts = $this->sanitize_shortcode_args( $atts, $fields );
1913
1914	// break if it is not basic masonry gallery
1915	if ( ! ( $atts['type'] === 'basicmasonry' \|\| ( $atts['type'] === '' && ( ( $rl_gallery && $rl->options['settings']['builder_gallery'] === 'basicmasonry' ) \|\| ( ! $rl_gallery && $rl->options['settings']['default_gallery'] === 'basicmasonry' ) ) ) ) )
1916	return $output;
1917
1918	// ID
1919	$atts['id'] = (int) $atts['id'];
1920
1921	// add custom classes if needed
1922	if ( $rl_gallery )
1923	$atts['class'] .= ' ' . $atts['gallery_custom_class'];
1924
1925	// any classes?
1926	if ( $atts['class'] !== '' ) {
1927	$atts['class'] = trim( $atts['class'] );
1928
1929	// more than 1 class?
1930	if ( strpos( $atts['class'], ' ' ) !== false ) {
1931	// get unique valid HTML classes
1932	$atts['class'] = array_unique( array_filter( array_map( 'sanitize_html_class', explode( ' ', $atts['class'] ) ) ) );
1933
1934	if ( ! empty( $atts['class'] ) )
1935	$atts['class'] = implode( ' ', $atts['class'] );
1936	else
1937	$atts['class'] = '';
1938	// single class
1939	} else
1940	$atts['class'] = sanitize_html_class( $atts['class'] );
1941	}
1942
1943	// orderby
1944	if ( empty( $atts['orderby'] ) ) {
1945	$atts['orderby'] = sanitize_sql_orderby( $atts['orderby'] );
1946
1947	if ( empty( $atts['orderby'] ) )
1948	$atts['orderby'] = $defaults['orderby'];
1949	}
1950
1951	// order
1952	if ( strtolower( $atts['order'] ) === 'rand' )
1953	$atts['orderby'] = 'rand';
1954
1955	// check columns
1956	if ( $atts['columns_lg'] === 0 )
1957	$atts['columns_lg'] = $atts['columns'];
1958
1959	if ( $atts['columns_md'] === 0 )
1960	$atts['columns_md'] = $atts['columns'];
1961
1962	if ( $atts['columns_sm'] === 0 )
1963	$atts['columns_sm'] = $atts['columns'];
1964
1965	if ( $atts['columns_xs'] === 0 )
1966	$atts['columns_xs'] = $atts['columns'];
1967
1968	// gallery lightbox source size
1969	if ( ! empty( $atts['lightbox_image_size'] ) ) {
1970	if ( $atts['lightbox_image_size'] === 'global' )
1971	$atts['src_size'] = $rl->options['settings']['gallery_image_size'];
1972	elseif ( $atts['lightbox_image_size'] === 'lightbox_custom_size' && isset( $atts['lightbox_custom_size_width'], $atts['lightbox_custom_size_height'] ) )
1973	$atts['src_size'] = array( $atts['lightbox_custom_size_width'], $atts['lightbox_custom_size_height'] );
1974	else
1975	$atts['src_size'] = $atts['lightbox_image_size'];
1976	} else
1977	$atts['src_size'] = $rl->options['settings']['gallery_image_size'];
1978
1979	// filter all shortcode arguments
1980	$atts = apply_filters( 'rl_gallery_shortcode_atts', $atts, $rl_gallery_id );
1981
1982	// get gallery images
1983	$images = rl_get_gallery_shortcode_images( $atts );
1984
1985	if ( empty( $images ) \|\| is_feed() \|\| defined( 'IS_HTML_EMAIL' ) )
1986	return $output;
1987
1988	$gallery_no = $this->gallery_no;
1989
1990	ob_start(); ?>
1991
1992	<div class="rl-gallery-container<?php echo apply_filters( 'rl_gallery_container_class', '', $atts, $rl_gallery_id ); ?>" id="rl-gallery-container-<?php echo $gallery_no; ?>" data-gallery_id="<?php echo $rl_gallery_id; ?>">
1993
1994	<?php do_action( 'rl_before_gallery', $atts, $rl_gallery_id ); ?>
1995
1996	<div class="rl-gallery rl-basicmasonry-gallery <?php echo $atts['class']; ?>" id="rl-gallery-<?php echo $gallery_no; ?>" data-gallery_no="<?php echo $gallery_no; ?>">
1997
1998	<?php
1999	$count = 0;
2000
2001	if ( $count === 0 )
2002	echo '<div class="rl-gutter-sizer"></div><div class="rl-grid-sizer"></div>';
2003
2004	foreach ( $images as $image ) {
2005	echo '
2006	<div class="rl-gallery-item' . ( $count === 0 ? ' rl-gallery-item-width-4' : '' ) . '" ' . implode( ' ', apply_filters( 'rl_gallery_item_extra_args', array(), $atts, $image ) ) . '>
2007	<div class="rl-gallery-item-content">
2008	' . $image['link'] . '
2009	</div>
2010	</div>';
2011
2012	$count++;
2013	} ?>
2014
2015	</div>
2016
2017	<?php do_action( 'rl_after_gallery', $atts, $rl_gallery_id ); ?>
2018
2019	</div>
2020
2021	<?php $gallery_html = ob_get_contents();
2022
2023	ob_clean();
2024
2025	// scripts
2026	wp_enqueue_script( 'responsive-lightbox-basicmasonry-gallery', plugins_url( 'js/front-basicmasonry.js', dirname( __FILE__ ) ), array( 'jquery', 'responsive-lightbox-masonry', 'responsive-lightbox-images-loaded' ), $rl->defaults['version'], ( $rl->options['settings']['loading_place'] === 'footer' ) );
2027
2028	// styles
2029	wp_enqueue_style( 'responsive-lightbox-basicmasonry-gallery', plugins_url( 'css/gallery-basicmasonry.css', dirname( __FILE__ ) ), array(), $rl->defaults['version'] );
2030
2031	// add inline style
2032	wp_add_inline_style( 'responsive-lightbox-basicmasonry-gallery', '
2033	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery {
2034	margin: ' . -( $atts['margin'] / 2 ) . 'px ' . -( $atts['gutter'] / 2 ) . 'px;
2035	padding: ' . $atts['margin'] . 'px 0;
2036	}
2037	#rl-gallery-container-' . $gallery_no . ' .rl-pagination-bottom {
2038	margin-top: ' . ( $atts['margin'] / 2 ) . 'px
2039	}
2040	#rl-gallery-container-' . $gallery_no . ' .rl-pagination-top {
2041	margin-bottom: ' . ( $atts['margin'] / 2 ) . 'px
2042	}
2043	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-gallery-item,
2044	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-grid-sizer {
2045	width: calc(' . ( 100 / $atts['columns'] ) . '% - ' . $atts['gutter'] . 'px);
2046	margin: ' . ( $atts['margin'] / 2 ) . 'px ' . ( $atts['gutter'] / 2 ) . 'px;
2047	}
2048	@media all and (min-width: 1200px) {
2049	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-gallery-item,
2050	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-grid-sizer {
2051	width: calc(' . ( 100 / $atts['columns_lg'] ) . '% - ' . $atts['gutter'] . 'px);
2052	margin: ' . ( $atts['margin'] / 2 ) . 'px ' . ( $atts['gutter'] / 2 ) . 'px;
2053	}
2054	}
2055	@media all and (min-width: 992px) and (max-width: 1200px) {
2056	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-gallery-item,
2057	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-grid-sizer {
2058	width: calc(' . ( 100 / $atts['columns_md'] ) . '% - ' . $atts['gutter'] . 'px);
2059	margin: ' . ( $atts['margin'] / 2 ) . 'px ' . ( $atts['gutter'] / 2 ) . 'px;
2060	}
2061	}
2062	@media all and (min-width: 768px) and (max-width: 992px) {
2063	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-gallery-item,
2064	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-grid-sizer {
2065	width: calc(' . ( 100 / $atts['columns_sm'] ) . '% - ' . $atts['gutter'] . 'px);
2066	margin: ' . ( $atts['margin'] / 2 ) . 'px ' . ( $atts['gutter'] / 2 ) . 'px;
2067	}
2068	}
2069	@media all and (max-width: 768px) {
2070	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-gallery-item,
2071	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-grid-sizer {
2072	width: calc(' . ( 100 / $atts['columns_xs'] ) . '% - ' . $atts['gutter'] . 'px);
2073	margin: ' . ( $atts['margin'] / 2 ) . 'px ' . ( $atts['gutter'] / 2 ) . 'px;
2074	}
2075	}'
2076	);
2077
2078	wp_localize_script(
2079	'responsive-lightbox-basicmasonry-gallery',
2080	'rlArgsBasicMasonryGallery' . ( $gallery_no + 1 ),
2081	json_encode(
2082	array(
2083	'originLeft' => $atts['origin_left'],
2084	'originTop' => $atts['origin_top']
2085	)
2086	)
2087	);
2088
2089	// remove any new lines from the output so that the reader parses it better
2090	return apply_filters( 'rl_gallery_shortcode_html', trim( preg_replace( '/\s+/', ' ', $gallery_html ) ), $atts, $rl_gallery_id );
2091	}
2092	}