class-frontend.php — Responsive Lightbox & Gallery 2.3.2

responsive-lightbox / includes / class-frontend.php

responsive-lightbox / includes Last commit date

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class-frontend.php

2102 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( $atts[$field_key] ), $field );
635	}
636	// boolean field?
637	} elseif ( $field['type'] === 'boolean' ) {
638	// multiple field?
639	if ( $field['type'] === 'multiple' ) {
640	foreach ( $field['fields'] as $subfield_key => $subfield ) {
641	// valid argument?
642	if ( array_key_exists( $subfield_key, $atts ) ) {
643	// true value?
644	if ( $atts[$subfield_key] === true \|\| $atts[$subfield_key] === 'true' \|\| $atts[$subfield_key] === '1' )
645	$atts[$subfield_key] = 1;
646	// false value?
647	elseif ( $atts[$subfield_key] === false \|\| $atts[$subfield_key] === 'false' \|\| $atts[$subfield_key] === '0' \|\| $atts[$subfield_key] === '' )
648	$atts[$subfield_key] = 0;
649	// default value
650	else
651	$atts[$subfield_key] = (int) $field['default'];
652	}
653	}
654	} else {
655	// valid argument?
656	if ( array_key_exists( $field_key, $atts ) ) {
657	// true value?
658	if ( $atts[$field_key] === true \|\| $atts[$field_key] === 'true' \|\| $atts[$field_key] === '1' )
659	$atts[$field_key] = 1;
660	// false value?
661	elseif ( $atts[$field_key] === false \|\| $atts[$field_key] === 'false' \|\| $atts[$field_key] === '0' \|\| $atts[$field_key] === '' )
662	$atts[$field_key] = 0;
663	// default value
664	else
665	$atts[$field_key] = (int) $field['default'];
666	}
667	}
668	// multiple field?
669	} elseif ( $field['type'] === 'multiple' ) {
670	foreach ( $field['fields'] as $subfield_key => $subfield ) {
671	// valid argument?
672	if ( array_key_exists( $subfield_key, $atts ) )
673	$atts[$subfield_key] = $rl->galleries->sanitize_field( $subfield_key, $atts[$subfield_key], $subfield );
674	}
675	// other field?
676	} else {
677	// valid argument?
678	if ( array_key_exists( $field_key, $atts ) )
679	$atts[$field_key] = $rl->galleries->sanitize_field( $field_key, $atts[$field_key], $field );
680	}
681	}
682
683	return apply_filters( 'rl_sanitize_shortcode_args', $atts );
684	}
685
686	/**
687	* Get gallery images.
688	*
689	* @param array $args Gallery arguments
690	* @return array Gallery images
691	*/
692	public function get_gallery_shortcode_images( $shortcode_atts ) {
693	if ( ! isset( $shortcode_atts['show_title'] ) \|\| $shortcode_atts['show_title'] === 'global' )
694	$shortcode_atts['show_title'] = Responsive_Lightbox()->options['settings']['gallery_image_title'];
695
696	if ( ! isset( $shortcode_atts['show_caption'] ) \|\| $shortcode_atts['show_caption'] === 'global' )
697	$shortcode_atts['show_caption'] = Responsive_Lightbox()->options['settings']['gallery_image_caption'];
698
699	$images = array();
700
701	// get gallery id
702	$gallery_id = ! empty( $shortcode_atts['rl_gallery_id'] ) ? absint( $shortcode_atts['rl_gallery_id'] ) : 0;
703
704	// get images from gallery
705	if ( $gallery_id ) {
706	$images = Responsive_Lightbox()->galleries->get_gallery_images(
707	$gallery_id,
708	array(
709	'exclude' => true,
710	'image_size' => $shortcode_atts['src_size'],
711	'thumbnail_size' => $shortcode_atts['size']
712	)
713	);
714	// get images from shortcode atts
715	} else {
716	$ids = array();
717
718	if ( ! empty( $shortcode_atts['include'] ) ) {
719	// filter attachment IDs
720	$include = array_unique( array_filter( array_map( 'intval', explode( ',', $shortcode_atts['include'] ) ) ) );
721
722	// any attachments?
723	if ( ! empty( $include ) ) {
724	// get attachments
725	$ids = get_posts(
726	array(
727	'include' => implode( ',', $include ),
728	'post_status' => 'inherit',
729	'post_type' => 'attachment',
730	'post_mime_type' => 'image',
731	'order' => $shortcode_atts['order'],
732	'orderby' => ( $shortcode_atts['orderby'] === 'menu_order' \|\| $shortcode_atts['orderby'] === '' ? 'post__in' : $shortcode_atts['orderby'] ),
733	'fields' => 'ids'
734	)
735	);
736	}
737	} elseif ( ! empty( $exclude ) ) {
738	// filter attachment IDs
739	$exclude = array_unique( array_filter( array_map( 'intval', explode( ',', $shortcode_atts['exclude'] ) ) ) );
740
741	// any attachments?
742	if ( ! empty( $exclude ) ) {
743	// get attachments
744	$ids = get_children(
745	array(
746	'post_parent' => $shortcode_atts['id'],
747	'exclude' => $exclude,
748	'post_status' => 'inherit',
749	'post_type' => 'attachment',
750	'post_mime_type' => 'image',
751	'order' => $shortcode_atts['order'],
752	'orderby' => $shortcode_atts['orderby'],
753	'fields' => 'ids'
754	)
755	);
756	}
757	} else {
758	// get attachments
759	$ids = get_children(
760	array(
761	'post_parent' => $shortcode_atts['id'],
762	'post_status' => 'inherit',
763	'post_type' => 'attachment',
764	'post_mime_type' => 'image',
765	'order' => $shortcode_atts['order'],
766	'orderby' => $shortcode_atts['orderby'],
767	'fields' => 'ids'
768	)
769	);
770	}
771
772	// any attachments?
773	if ( ! empty( $ids ) ) {
774	foreach ( $ids as $attachment_id ) {
775	// get thumbnail image data
776	$images[] = Responsive_Lightbox()->galleries->get_gallery_image_src( $attachment_id, $shortcode_atts['src_size'], $shortcode_atts['size'] );
777	}
778	}
779	}
780
781	// apply adjustments, as per settings
782	if ( $images ) {
783	// get current script
784	$script = Responsive_Lightbox()->options['settings']['script'];
785
786	// prepare arguments
787	$args = array(
788	'selector' => Responsive_Lightbox()->options['settings']['selector'],
789	'script' => $script,
790	'settings' => array(
791	'script' => Responsive_Lightbox()->options['configuration'][$script],
792	'plugin' => Responsive_Lightbox()->options['settings']
793	),
794	'supports' => Responsive_Lightbox()->settings->scripts[$script]['supports'],
795	'image_id' => 0,
796	'caption' => '',
797	'title' => '',
798	'src' => array()
799	);
800
801	// lightbox image title
802	$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'];
803
804	// lightbox image caption
805	$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'];
806
807	// get gallery image link
808	$args['link'] = isset( $shortcode_atts['link'] ) ? $shortcode_atts['link'] : '';
809
810	// copy images
811	$images_tmp = $images;
812
813	// apply adjustments, according to gallery settings
814	foreach ( $images_tmp as $index => $image ) {
815	// assign image
816	$new_image = $images[$index] = array_merge( $image, Responsive_Lightbox()->galleries->get_gallery_image_src( $image, $shortcode_atts['src_size'], $shortcode_atts['size'] ) );
817
818	// create image source data
819	$args['src'] = array( $new_image['url'], $new_image['width'], $new_image['height'] );
820
821	// set alt text
822	$images[$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 ) : '' );
823
824	// set lightbox image title
825	if ( $args['settings']['plugin']['gallery_image_title'] === 'default' )
826	$images[$index]['title'] = $args['title'] = '';
827	else
828	$images[$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'];
829
830	// set lightbox image caption
831	if ( $args['settings']['plugin']['gallery_image_caption'] === 'default' )
832	$images[$index]['caption'] = $args['caption'] = '';
833	else
834	$images[$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'];
835
836	// set image gallery link
837	$images[$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 );
838
839	// is lightbox active?
840	if ( isset( $shortcode_atts['lightbox_enable'] ) && $shortcode_atts['lightbox_enable'] === 0 )
841	$images[$index]['link'] = preg_replace( '/data-rel=(\'\|")(.*?)(\'\|")/', 'data-rel="norl"', $images[$index]['link'] );
842	}
843	}
844
845	return apply_filters( 'rl_get_gallery_shortcode_images', $images, $gallery_id, $shortcode_atts );
846	}
847
848	/**
849	* Get gallery image link.
850	*
851	* @param int $attachment_id Attachment ID
852	* @param array $image Source image data
853	* @param array $thumbnail Thumbnail image data
854	* @param array $args Arguments
855	* @return string Generated gallery image link
856	*/
857	function get_gallery_image_link( $attachment_id, $image, $thumbnail, $args ) {
858	switch ( $args['link'] ) {
859	case 'post':
860	$link = '<a href="' . get_permalink( $attachment_id ) . '"><img src="' . $thumbnail[0] . '" width="' . $thumbnail[1] . '" height="' . $thumbnail[2] . '" />';
861	break;
862
863	case 'none':
864	$link = '<a href="javascript:void(0)" style="cursor: default;"><img src="' . $thumbnail[0] . '" width="' . $thumbnail[1] . '" height="' . $thumbnail[2] . '" />';
865	break;
866
867	default:
868	case 'file':
869	$link = '<a href="' . $image[0] . '"><img src="' . $thumbnail[0] . '" width="' . $thumbnail[1] . '" height="' . $thumbnail[2] . '" />';
870	}
871
872	$title = ! empty( $args['show_title'] ) ? trim( $this->get_attachment_title( $attachment_id, $args['show_title'] ) ) : '';
873	$caption = ! empty( $args['show_caption'] ) ? trim( $this->get_attachment_title( $attachment_id, $args['show_caption'] ) ) : '';
874
875	if ( $title \|\| $caption ) {
876	$link .= '<span class="rl-gallery-caption">';
877
878	if ( $title )
879	$link .= '<span class="rl-gallery-item-title">' . esc_html( $title ) . '</span>';
880
881	if ( $caption )
882	$link .= '<span class="rl-gallery-item-caption">' . esc_html( $caption ) . '</span>';
883
884	$link .= '</span>';
885	}
886
887	$link .= '</a>';
888
889	return apply_filters( 'rl_gallery_image_link', $link, $attachment_id, $image, $thumbnail, $args );
890	}
891
892	/**
893	* Add lightbox to Jetpack tiled gallery.
894	*
895	* @param string $content
896	* @return string
897	*/
898	public function force_custom_gallery_lightbox( $content ) {
899	if ( Responsive_Lightbox()->options['settings']['force_custom_gallery'] ) {
900	// search for image links
901	preg_match_all( '/<a(.?)href=(?:\'\|")([^<]?)\.(bmp\|gif\|jpeg\|jpg\|png\|webp)(?:\'\|")(.*?)>/i', $content, $links );
902
903	// found any links?
904	if ( ! empty ( $links[0] ) ) {
905	foreach ( $links[0] as $link_number => $link ) {
906	// get attachment id
907	$image_id = $this->get_attachment_id_by_url( $links[2][$link_number] . '.' . $links[3][$link_number] );
908
909	// get title type
910	$title_arg = Responsive_Lightbox()->options['settings']['gallery_image_title'];
911
912	// update title if needed
913	if ( $title_arg !== 'default' && $image_id )
914	$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 ) );
915	else
916	$title = '';
917
918	// get caption type
919	$caption_arg = Responsive_Lightbox()->options['settings']['gallery_image_caption'];
920
921	// update caption if needed
922	if ( $caption_arg !== 'default' )
923	$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 ) );
924	else
925	$caption = '';
926
927	// link already contains data-rel attribute?
928	if ( preg_match( '/<a.?(?:data-rel)=(?:\'\|")(.?)(?:\'\|").*?>/', $link, $result ) === 1 ) {
929	// do not modify this link
930	if ( $result[1] === 'norl' )
931	continue;
932
933	$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 );
934	} elseif ( preg_match( '/<a.?(?:rel)=(?:\'\|")(.?)(?:\'\|").*?>/', $link, $result ) === 1 ) {
935	// do not modify this link
936	if ( $result[1] === 'norl' )
937	continue;
938
939	$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 );
940	} else
941	$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 );
942	}
943	}
944	}
945
946	return $content;
947	}
948
949	/**
950	* Remove WooCommerce prettyPhoto lightbox styles and scripts.
951	*/
952	public function wp_enqueue_scripts() {
953	if ( class_exists( 'WooCommerce' ) ) {
954	global $woocommerce;
955
956	// specific WooCommerce gallery?
957	if ( ! empty( Responsive_Lightbox()->options['settings']['default_woocommerce_gallery'] ) && Responsive_Lightbox()->options['settings']['default_woocommerce_gallery'] !== 'default' ) {
958	// replace default WooCommerce lightbox?
959	if ( Responsive_Lightbox()->options['settings']['woocommerce_gallery_lightbox'] === true ) {
960	if ( version_compare( $woocommerce->version, '3.0', ">=" ) ) {
961	// dequeue scripts
962	wp_dequeue_script( 'flexslider' );
963	wp_dequeue_script( 'photoswipe' );
964	wp_dequeue_script( 'photoswipe-ui-default' );
965
966	// dequeue styles
967	wp_dequeue_style( 'photoswipe' );
968	wp_dequeue_style( 'photoswipe-default-skin' );
969
970	// remove theme supports
971	remove_theme_support( 'wc-product-gallery-lightbox' );
972	// remove_theme_support( 'wc-product-gallery-zoom' );
973	remove_theme_support( 'wc-product-gallery-slider' );
974	} else {
975	// remove styles
976	wp_dequeue_style( 'woocommerce_prettyPhoto_css' );
977
978	// remove scripts
979	wp_dequeue_script( 'prettyPhoto' );
980	wp_dequeue_script( 'prettyPhoto-init' );
981	wp_dequeue_script( 'fancybox' );
982	wp_dequeue_script( 'enable-lightbox' );
983	}
984	} else {
985	if ( version_compare( $woocommerce->version, '3.0', ">=" ) ) {
986	// dequeue scripts
987	wp_dequeue_script( 'flexslider' );
988	}
989	}
990	// default gallery?
991	} else {
992	// replace default WooCommerce lightbox?
993	if ( Responsive_Lightbox()->options['settings']['woocommerce_gallery_lightbox'] === true ) {
994	if ( version_compare( $woocommerce->version, '3.0', ">=" ) ) {
995	// dequeue scripts
996	wp_dequeue_script( 'photoswipe' );
997	wp_dequeue_script( 'photoswipe-ui-default' );
998
999	// dequeue styles
1000	wp_dequeue_style( 'photoswipe' );
1001	wp_dequeue_style( 'photoswipe-default-skin' );
1002
1003	// remove theme supports
1004	remove_theme_support( 'wc-product-gallery-lightbox' );
1005	} else {
1006	// remove styles
1007	wp_dequeue_style( 'woocommerce_prettyPhoto_css' );
1008
1009	// remove scripts
1010	wp_dequeue_script( 'prettyPhoto' );
1011	wp_dequeue_script( 'prettyPhoto-init' );
1012	wp_dequeue_script( 'fancybox' );
1013	wp_dequeue_script( 'enable-lightbox' );
1014	}
1015	}
1016	}
1017	}
1018
1019	// Visual Composer lightbox
1020	if ( class_exists( 'Vc_Manager' ) ) {
1021	wp_dequeue_script( 'prettyphoto' );
1022	wp_deregister_script( 'prettyphoto' );
1023	wp_dequeue_style( 'prettyphoto' );
1024	wp_deregister_style( 'prettyphoto' );
1025	}
1026	}
1027
1028	/**
1029	* Apply lightbox to WooCommerce product image.
1030	*
1031	* @param mixed $html
1032	* @return mixed
1033	*/
1034	public function woocommerce_single_product_image_html( $html ) {
1035	if ( Responsive_Lightbox()->options['settings']['woocommerce_gallery_lightbox'] )
1036	$html = preg_replace( '/data-rel=\"(.*?)\"/', 'data-rel="' . Responsive_Lightbox()->options['settings']['selector'] . '-gallery-' . $this->gallery_no . '"', $html );
1037
1038	return $html;
1039	}
1040
1041	/**
1042	* Apply lightbox to WooCommerce product gallery.
1043	*
1044	* @param mixed $html
1045	* @return mixed
1046	*/
1047	public function woocommerce_single_product_image_thumbnail_html( $html ) {
1048	if ( Responsive_Lightbox()->options['settings']['woocommerce_gallery_lightbox'] ) {
1049	// make sure main product image has same gallery number
1050	$gallery_no = $this->gallery_no + 1;
1051
1052	$html = preg_replace( '/data-rel=\"(.*?)\"/', 'data-rel="' . Responsive_Lightbox()->options['settings']['selector'] . '-gallery-' . $gallery_no . '"', $html );
1053
1054	preg_match( '/<a(.?)((?:data-rel)=(?:\'\|").?(?:\'\|"))(.*?)>/i', $html, $result );
1055
1056	// no data-rel?
1057	if ( empty( $result ) ) {
1058	preg_match( '/^(.?)<a(.?)((?:href)=(?:\'\|").?(?:\'\|"))(.?)>(.*?)$/i', $html, $result );
1059
1060	// found valid link?
1061	if ( ! empty( $result ) )
1062	$html = $result[1] . '<a' . $result[2] . ' data-rel="' . Responsive_Lightbox()->options['settings']['selector'] . '-gallery-' . $gallery_no . '" ' . $result[3] . $result[4] . '>' . $result[5];
1063	}
1064	}
1065
1066	return $html;
1067	}
1068
1069	/**
1070	* WooCommerce gallery init.
1071	*/
1072	public function woocommerce_gallery_init() {
1073	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' ) {
1074	// remove default gallery
1075	remove_action( 'woocommerce_product_thumbnails', 'woocommerce_show_product_thumbnails', $priority );
1076
1077	// handle product gallery
1078	add_action( 'woocommerce_product_thumbnails', array( $this, 'woocommerce_gallery' ), $priority );
1079	}
1080	}
1081
1082	/**
1083	* WooCommerce gallery support.
1084	*
1085	* @global object $product
1086	* @return mixed
1087	*/
1088	public function woocommerce_gallery() {
1089	global $product;
1090
1091	$attachment_ids = array();
1092
1093	// WooCommerce 3.x
1094	if ( method_exists( $product, 'get_gallery_image_ids' ) )
1095	$attachment_ids = $product->get_gallery_image_ids();
1096	// WooCommerce 2.x
1097	elseif ( method_exists( $product, 'get_gallery_attachment_ids' ) )
1098	$attachment_ids = $product->get_gallery_attachment_ids();
1099
1100	if ( ! empty( $attachment_ids ) && is_array( $attachment_ids ) )
1101	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 ) . '"]' );
1102	}
1103
1104	/**
1105	* Get attachment title function
1106	*
1107	* @param int $id
1108	* @param string $title_arg
1109	* @return string
1110	*/
1111	public function get_attachment_title( $id, $title_arg ) {
1112	if ( empty( $title_arg ) \|\| empty( $id ) )
1113	return false;
1114
1115	switch( $title_arg ) {
1116	case 'title':
1117	$title = get_the_title( $id );
1118	break;
1119
1120	case 'caption':
1121	$title = get_post_field( 'post_excerpt', $id ) ;
1122	break;
1123
1124	case 'alt':
1125	$title = get_post_meta( $id, '_wp_attachment_image_alt', true );
1126	break;
1127
1128	case 'description':
1129	$title = get_post_field( 'post_content', $id ) ;
1130	break;
1131
1132	default:
1133	$title = '';
1134	}
1135
1136	return apply_filters( 'rl_get_attachment_title', $title, $id, $title_arg );
1137	}
1138
1139	/**
1140	* Get attachment id by url function, adjusted to work for cropped images
1141	*
1142	* @param string $url
1143	* @return int
1144	*/
1145	public function get_attachment_id_by_url( $url ) {
1146	$url = ! empty( $url ) ? esc_url( $url ) : '';
1147
1148	// get cached data
1149	// $post_id = wp_cache_get( md5( $url ), 'rl-attachment_id_by_url' );
1150	$post_ids = get_transient( 'rl-attachment_ids_by_url' );
1151	$post_id = 0;
1152
1153	// cached url not found?
1154	if ( $post_ids === false \|\| ! in_array( $url, array_keys( $post_ids ) ) ) {
1155	$post_id = attachment_url_to_postid( $url );
1156
1157	if ( ! $post_id ) {
1158	$dir = wp_upload_dir();
1159	$path = $url;
1160
1161	if ( strpos( $path, $dir['baseurl'] . '/' ) === 0 )
1162	$path = substr( $path, strlen( $dir['baseurl'] . '/' ) );
1163
1164	if ( preg_match( '/^(.)(\-\dx\d*)(\.\w{1,})/i', $path, $matches ) )
1165	$post_id = attachment_url_to_postid( $dir['baseurl'] . '/' . $matches[1] . $matches[3] );
1166	}
1167
1168	// set the cache expiration, 24 hours by default
1169	$expire = absint( apply_filters( 'rl_object_cache_expire', DAY_IN_SECONDS ) );
1170
1171	// wp_cache_add( md5( $url ), $post_id, 'rl-attachment_id_by_url', $expire );
1172
1173	$post_ids[$url] = $post_id;
1174
1175	set_transient( 'rl-attachment_ids_by_url', $post_ids, $expire );
1176	// cached url found
1177	} elseif ( ! empty( $post_ids[$url] ) )
1178	$post_id = absint( $post_ids[$url] );
1179
1180	return (int) apply_filters( 'rl_get_attachment_id_by_url', $post_id, $url );
1181	}
1182
1183	/**
1184	* Get image size by URL.
1185	*
1186	* @param string $url Image URL
1187	* @return array
1188	*/
1189	public function get_image_size_by_url( $url ) {
1190	$url = ! empty( $url ) ? esc_url( $url ) : '';
1191	$size = array( 0, 0 );
1192
1193	if ( ! empty( $url ) ) {
1194	// get cached data
1195	$image_sizes = get_transient( 'rl-image_sizes_by_url' );
1196
1197	// cached url not found?
1198	if ( $image_sizes === false \|\| ! in_array( $url, array_keys( $image_sizes ) ) \|\| empty( $image_sizes[$url] ) ) {
1199	if ( class_exists( 'Responsive_Lightbox_Fast_Image' ) ) {
1200	// loading image
1201	$image = new Responsive_Lightbox_Fast_Image( $url );
1202
1203	// get size
1204	$size = $image->get_size();
1205	} else {
1206	// get size using php
1207	$size = getimagesize( $url );
1208	}
1209
1210	// set the cache expiration, 24 hours by default
1211	$expire = absint( apply_filters( 'rl_object_cache_expire', DAY_IN_SECONDS ) );
1212
1213	$image_sizes[$url] = $size;
1214
1215	set_transient( 'rl-image_sizes_by_url', $image_sizes, $expire );
1216	// cached url found
1217	} elseif ( ! empty( $image_sizes[$url] ) )
1218	$size = array_map( 'absint', $image_sizes[$url] );
1219	}
1220
1221	return apply_filters( 'rl_get_image_size_by_url', $size, $url );
1222	}
1223
1224	/**
1225	* Add gallery shortcode to gallery post content.
1226	*
1227	* @param string $content
1228	* @return string Updated content
1229	*/
1230	public function gallery_preview( $content ) {
1231	if ( get_post_type() === 'rl_gallery' && ! ( is_archive() && is_main_query() ) )
1232	$content .= do_shortcode( '[rl_gallery id="' . get_the_ID() . '"]' );
1233
1234	return $content;
1235	}
1236
1237	/**
1238	* Helper: gallery number function
1239	*
1240	* @param mixed $content
1241	* @return mixed
1242	*/
1243	public function gallery_attributes( $content, $shortcode_atts ) {
1244	++$this->gallery_no;
1245
1246	// add inline style, to our galleries only
1247	if ( isset( $shortcode_atts['type'] ) ) {
1248	// gallery style
1249	wp_enqueue_style( 'responsive-lightbox-gallery' );
1250
1251	// is there rl_gallery ID?
1252	$rl_gallery_id = ! empty( $shortcode_atts['rl_gallery_id'] ) ? (int) $shortcode_atts['rl_gallery_id'] : 0;
1253
1254	// is it rl gallery?
1255	$rl_gallery = Responsive_Lightbox()->options['builder']['gallery_builder'] && $rl_gallery_id && get_post_type( $rl_gallery_id ) === 'rl_gallery';
1256
1257	// is it rl gallery? add design options
1258	if ( $rl_gallery ) {
1259	$fields = Responsive_Lightbox()->galleries->fields['design']['options'];
1260
1261	// get gallery fields attributes
1262	$field_atts = rl_get_gallery_fields_atts( $fields, $shortcode_atts, $rl_gallery );
1263
1264	// get only valid arguments
1265	$atts = shortcode_atts( $field_atts, array_merge( $field_atts, $shortcode_atts ), 'gallery' );
1266
1267	// sanitize gallery fields
1268	$atts = $this->sanitize_shortcode_args( $atts, $fields );
1269
1270	// add inline style
1271	$inline_css = '
1272	.rl-gallery .rl-gallery-link {
1273	border: ' . $atts['border_width'] . 'px solid ' . $atts['border_color'] . ';
1274	}
1275	.rl-gallery .rl-gallery-link .rl-gallery-item-title {
1276	color: ' . $atts['title_color'] . ';
1277	}
1278	.rl-gallery .rl-gallery-link .rl-gallery-item-caption {
1279	color: ' . $atts['caption_color'] . ';
1280	}
1281	.rl-gallery .rl-gallery-link .rl-gallery-caption,
1282	.rl-gallery .rl-gallery-link:after {
1283	background-color: rgba( ' . implode( ', ', Responsive_Lightbox()->hex2rgb( $atts['background_color'] ) ) . ', ' . round( $atts['background_opacity'] / 100, 2 ) . ' );
1284	}
1285	[class^="rl-hover-icon-"] .rl-gallery-link:before,
1286	[class*=" rl-hover-icon-"] .rl-gallery-link:before {
1287	color: ' . $atts['title_color'] . ';
1288	background-color: rgba( ' . implode( ', ', Responsive_Lightbox()->hex2rgb( $atts['background_color'] ) ) . ', ' . round( $atts['background_opacity'] / 100, 2 ) . ' );
1289	}
1290	';
1291
1292	wp_add_inline_style( 'responsive-lightbox-gallery', $inline_css );
1293	}
1294	}
1295
1296	return $content;
1297	}
1298
1299	/**
1300	* Generate unique hash.
1301	*
1302	* @param int $length
1303	* @return string
1304	*/
1305	private function generate_hash( $length = 8 ) {
1306	$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
1307	$hash = '';
1308
1309	for( $i = 0; $i < $length; $i++ ) {
1310	$hash .= substr( $chars, mt_rand( 0, strlen( $chars ) - 1 ), 1 );
1311	}
1312
1313	return $hash;
1314	}
1315
1316	/**
1317	* Replace widget callback function.
1318	*
1319	* @global array $wp_registered_widgets
1320	* @param array $sidebar_params
1321	* @return type
1322	*/
1323	public function dynamic_sidebar_params( $sidebar_params ) {
1324	if ( ( is_admin() && ! ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) \|\| Responsive_Lightbox()->options['settings']['widgets'] != true )
1325	return $sidebar_params;
1326
1327	global $wp_registered_widgets;
1328
1329	$widget_id = $sidebar_params[0]['widget_id'];
1330	$wp_registered_widgets[ $widget_id ]['original_callback'] = $wp_registered_widgets[ $widget_id ]['callback'];
1331	$wp_registered_widgets[ $widget_id ]['callback'] = array( $this, 'widget_callback_function' );
1332
1333	return $sidebar_params;
1334	}
1335
1336	/**
1337	* Widget callback function.
1338	*
1339	* @global array $wp_registered_widgets
1340	*/
1341	public function widget_callback_function() {
1342	global $wp_registered_widgets;
1343
1344	$original_callback_params = func_get_args();
1345	$widget_id = $original_callback_params[0]['widget_id'];
1346	$original_callback = $wp_registered_widgets[ $widget_id ]['original_callback'];
1347	$wp_registered_widgets[ $widget_id ]['callback'] = $original_callback;
1348	$widget_id_base = $wp_registered_widgets[ $widget_id ]['callback'][0]->id_base;
1349
1350	if ( is_callable( $original_callback ) ) {
1351	ob_start();
1352
1353	call_user_func_array( $original_callback, $original_callback_params );
1354
1355	$widget_output = ob_get_clean();
1356
1357	echo apply_filters( 'rl_widget_output', $widget_output, $widget_id_base, $widget_id );
1358	}
1359	}
1360
1361	/**
1362	* Filter widget output.
1363	*
1364	* @param mixed $widget_output
1365	* @param string $widget_id_base
1366	* @param id $widget_id
1367	* @return mixed
1368	*/
1369	public function widget_output( $content, $widget_id_base, $widget_id ) {
1370	return $this->add_lightbox( $content );
1371	}
1372
1373	/**
1374	* Filter comment content.
1375	*
1376	* @param mixed $comment_content
1377	* @return mixed
1378	*/
1379	public function get_comment_text( $content ) {
1380	if ( ( is_admin() && ! ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) \|\| Responsive_Lightbox()->options['settings']['comments'] != true )
1381	return $content;
1382
1383	return $this->add_lightbox( $content );
1384	}
1385
1386	/**
1387	* Modify gallery container class.
1388	*
1389	* @param string $class
1390	* @param array $args
1391	* @param int $gallery_id
1392	* @return void
1393	*/
1394	public function gallery_container_class( $class, $args, $gallery_id ) {
1395	if ( $gallery_id ) {
1396	$class .= ' rl-loading';
1397
1398	if ( $args['pagination'] )
1399	$class .= ' rl-pagination-' . $args['pagination_type'];
1400	}
1401
1402	return $class;
1403	}
1404
1405	/**
1406	* Display content before the gallery.
1407	*
1408	* @param array $args
1409	* @param int $gallery_id
1410	* @return void
1411	*/
1412	public function before_gallery( $args, $gallery_id ) {
1413	// if ( $gallery_id && ! ( isset( $_POST['action'] ) && $_POST['action'] === 'rl-get-gallery-page-content' ) ) {
1414	if ( $gallery_id ) {
1415	if ( isset( $args['gallery_title_position'] ) && $args['gallery_title_position'] === 'top' && get_post_type() !== 'rl_gallery' )
1416	echo '<div class="rl-gallery-title">' . esc_html( get_the_title( $gallery_id ) ) . '</div>';
1417
1418	if ( isset( $args['gallery_description_position'] ) && $args['gallery_description_position'] === 'top' )
1419	echo '<div class="rl-gallery-description">' . nl2br( esc_html( $args['gallery_description'] ) ) . '</div>';
1420	}
1421	}
1422
1423	/**
1424	* Display content after the gallery.
1425	*
1426	* @param array $args
1427	* @param int $gallery_id
1428	* @return void
1429	*/
1430	public function after_gallery( $args, $gallery_id ) {
1431	if ( $gallery_id ) {
1432	if ( isset( $args['gallery_title_position'] ) && $args['gallery_title_position'] === 'bottom' && get_post_type() !== 'rl_gallery' )
1433	echo '<div class="rl-gallery-title">' . esc_html( get_the_title( $gallery_id ) ) . '</div>';
1434
1435	if ( isset( $args['gallery_description_position'] ) && $args['gallery_description_position'] === 'bottom' )
1436	echo '<div class="rl-gallery-description">' . nl2br( esc_html( $args['gallery_description'] ) ) . '</div>';
1437	}
1438	}
1439
1440	/**
1441	* Add lightbox to Visual Composer shortcodes.
1442	*
1443	* @param string $content HTML content
1444	* @param string $shortcode Shortcode type
1445	* @return string Changed HTML content
1446	*/
1447	public function vc_shortcode_content_filter_after( $content, $shortcode ) {
1448	if ( in_array( $shortcode, apply_filters( 'rl_lightbox_vc_allowed_shortcode', array( 'vc_gallery', 'vc_single_image', 'vc_images_carousel' ) ), true ) )
1449	$content = $this->add_lightbox( $content );
1450
1451	return $content;
1452	}
1453
1454	/**
1455	* Render Basic Grid gallery shortcode.
1456	*
1457	* @global object $post Post object
1458	* @param mixed $output HTML output
1459	* @param array $shortcode_atts Shortcode attributes
1460	* @return string HTML output
1461	*/
1462	public function basic_grid_gallery_shortcode( $output, $shortcode_atts ) {
1463	if ( ! empty( $output ) )
1464	return $output;
1465
1466	global $post;
1467
1468	$defaults = array(
1469	'rl_gallery_id' => 0,
1470	'id' => isset( $post->ID ) ? (int) $post->ID : 0,
1471	'class' => '',
1472	'include' => '',
1473	'exclude' => '',
1474	'urls' => '',
1475	'type' => '',
1476	'order' => 'asc',
1477	'orderby' => 'menu_order',
1478	'size' => 'medium',
1479	'link' => 'file',
1480	'columns' => 3
1481	);
1482
1483	// get main instance
1484	$rl = Responsive_Lightbox();
1485
1486	if ( ! is_array( $shortcode_atts ) )
1487	$shortcode_atts = wp_parse_args( $shortcode_atts, $defaults );
1488
1489	// is there rl_gallery ID?
1490	$rl_gallery_id = $defaults['rl_gallery_id'] = ! empty( $shortcode_atts['rl_gallery_id'] ) ? (int) $shortcode_atts['rl_gallery_id'] : 0;
1491
1492	// is it rl gallery?
1493	$rl_gallery = $rl->options['builder']['gallery_builder'] && $rl_gallery_id && get_post_type( $rl_gallery_id ) === 'rl_gallery';
1494
1495	if ( ! array_key_exists( 'type', $shortcode_atts ) )
1496	$shortcode_atts['type'] = '';
1497
1498	// break if it is not basic grid gallery - first check
1499	if ( ! ( $shortcode_atts['type'] === 'basicgrid' \|\| ( $shortcode_atts['type'] === '' && ( ( $rl_gallery && $rl->options['settings']['builder_gallery'] === 'basicgrid' ) \|\| ( ! $rl_gallery && $rl->options['settings']['default_gallery'] === 'basicgrid' ) ) ) ) )
1500	return $output;
1501
1502	// get shortcode gallery fields combined with defaults
1503	$fields = rl_get_gallery_fields( 'basicgrid' );
1504
1505	// get gallery fields attributes
1506	$field_atts = rl_get_gallery_fields_atts( $fields, $shortcode_atts, $rl_gallery );
1507
1508	// is it rl gallery? add misc and lightbox fields
1509	if ( $rl_gallery )
1510	$fields += $rl->galleries->fields['lightbox']['options'] + $rl->galleries->fields['misc']['options'];
1511
1512	// get only valid arguments
1513	$atts = shortcode_atts( array_merge( $defaults, $field_atts ), $shortcode_atts, 'gallery' );
1514
1515	// sanitize gallery fields
1516	$atts = $this->sanitize_shortcode_args( $atts, $fields );
1517
1518	// break if it is not basic grid gallery
1519	if ( ! ( $atts['type'] === 'basicgrid' \|\| ( $atts['type'] === '' && ( ( $rl_gallery && $rl->options['settings']['builder_gallery'] === 'basicgrid' ) \|\| ( ! $rl_gallery && $rl->options['settings']['default_gallery'] === 'basicgrid' ) ) ) ) )
1520	return $output;
1521
1522	// ID
1523	$atts['id'] = (int) $atts['id'];
1524
1525	// add custom classes if needed
1526	if ( $rl_gallery )
1527	$atts['class'] .= ' ' . $atts['gallery_custom_class'];
1528
1529	// any classes?
1530	if ( $atts['class'] !== '' ) {
1531	$atts['class'] = trim( $atts['class'] );
1532
1533	// more than 1 class?
1534	if ( strpos( $atts['class'], ' ' ) !== false ) {
1535	// get unique valid HTML classes
1536	$atts['class'] = array_unique( array_filter( array_map( 'sanitize_html_class', explode( ' ', $atts['class'] ) ) ) );
1537
1538	if ( ! empty( $atts['class'] ) )
1539	$atts['class'] = implode( ' ', $atts['class'] );
1540	else
1541	$atts['class'] = '';
1542	// single class
1543	} else
1544	$atts['class'] = sanitize_html_class( $atts['class'] );
1545	}
1546
1547	// orderby
1548	if ( empty( $atts['orderby'] ) ) {
1549	$atts['orderby'] = sanitize_sql_orderby( $atts['orderby'] );
1550
1551	if ( empty( $atts['orderby'] ) )
1552	$atts['orderby'] = $defaults['orderby'];
1553	}
1554
1555	// order
1556	if ( strtolower( $atts['order'] ) === 'rand' )
1557	$atts['orderby'] = 'rand';
1558
1559	// check columns
1560	if ( $atts['columns_lg'] === 0 )
1561	$atts['columns_lg'] = $atts['columns'];
1562
1563	if ( $atts['columns_md'] === 0 )
1564	$atts['columns_md'] = $atts['columns'];
1565
1566	if ( $atts['columns_sm'] === 0 )
1567	$atts['columns_sm'] = $atts['columns'];
1568
1569	if ( $atts['columns_xs'] === 0 )
1570	$atts['columns_xs'] = $atts['columns'];
1571
1572	// gallery lightbox source size
1573	if ( ! empty( $atts['lightbox_image_size'] ) ) {
1574	if ( $atts['lightbox_image_size'] === 'global' )
1575	$atts['src_size'] = $rl->options['settings']['gallery_image_size'];
1576	elseif ( $atts['lightbox_image_size'] === 'lightbox_custom_size' && isset( $atts['lightbox_custom_size_width'], $atts['lightbox_custom_size_height'] ) )
1577	$atts['src_size'] = array( $atts['lightbox_custom_size_width'], $atts['lightbox_custom_size_height'] );
1578	else
1579	$atts['src_size'] = $atts['lightbox_image_size'];
1580	} else
1581	$atts['src_size'] = $rl->options['settings']['gallery_image_size'];
1582
1583	// filter all shortcode arguments
1584	$atts = apply_filters( 'rl_gallery_shortcode_atts', $atts, $rl_gallery_id );
1585
1586	// get gallery images
1587	$images = rl_get_gallery_shortcode_images( $atts );
1588
1589	if ( empty( $images ) \|\| is_feed() \|\| defined( 'IS_HTML_EMAIL' ) )
1590	return $output;
1591
1592	$gallery_no = $this->gallery_no;
1593
1594	ob_start(); ?>
1595
1596	<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; ?>">
1597
1598	<?php do_action( 'rl_before_gallery', $atts, $rl_gallery_id ); ?>
1599
1600	<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; ?>">
1601
1602	<?php foreach ( $images as $image ) {
1603	echo '<div class="rl-gallery-item">' . $image['link'] . '</div>';
1604	} ?>
1605
1606	</div>
1607
1608	<?php do_action( 'rl_after_gallery', $atts, $rl_gallery_id ); ?>
1609
1610	</div>
1611
1612	<?php $gallery_html = ob_get_contents();
1613
1614	ob_end_clean();
1615
1616	// styles
1617	wp_enqueue_style( 'responsive-lightbox-basicgrid-gallery', plugins_url( 'css/gallery-basicgrid.css', dirname( __FILE__ ) ), array(), $rl->defaults['version'] );
1618
1619	// add inline style
1620	$inline_css = '
1621	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery {
1622	padding: ' . ( -$atts['gutter'] ) . 'px;
1623	}
1624	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery .rl-gallery-item {
1625	width: calc(' . ( 100 / $atts['columns'] ) . '% - ' . $atts['gutter'] . 'px);
1626	margin: ' . ( $atts['gutter'] / 2 ) . 'px;
1627	}
1628	@media all and (min-width: 1200px) {
1629	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery .rl-gallery-item {
1630	width: calc(' . ( 100 / $atts['columns_lg'] ) . '% - ' . $atts['gutter'] . 'px);
1631	}
1632	}
1633	@media all and (min-width: 992px) and (max-width: 1200px) {
1634	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery .rl-gallery-item {
1635	width: calc(' . ( 100 / $atts['columns_md'] ) . '% - ' . $atts['gutter'] . 'px);
1636	}
1637	}
1638	@media all and (min-width: 768px) and (max-width: 992px) {
1639	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery .rl-gallery-item {
1640	width: calc(' . ( 100 / $atts['columns_sm'] ) . '% - ' . $atts['gutter'] . 'px);
1641	}
1642	}
1643	@media all and (max-width: 768px) {
1644	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery .rl-gallery-item {
1645	width: calc(' . ( 100 / $atts['columns_xs'] ) . '% - ' . $atts['gutter'] . 'px);
1646	}
1647	}
1648	';
1649
1650	if ( $atts['force_height'] ) {
1651	$inline_css .= '
1652	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery .rl-gallery-item {
1653	height: ' . ( $atts['row_height'] ) . 'px;
1654	}
1655	#rl-gallery-container-' . $gallery_no . ' .rl-basicgrid-gallery .rl-gallery-item img {
1656	height: ' . ( $atts['row_height'] ) . 'px;
1657	object-fit: cover;
1658	max-width: 100%;
1659	min-width: 100%;
1660	}';
1661	}
1662
1663	wp_add_inline_style( 'responsive-lightbox-basicgrid-gallery', $inline_css );
1664
1665	// remove any new lines from the output so that the reader parses it better
1666	return apply_filters( 'rl_gallery_shortcode_html', trim( preg_replace( '/\s+/', ' ', $gallery_html ) ), $atts, $rl_gallery_id );
1667	}
1668
1669	/**
1670	* Render Basic Slider gallery shortcode.
1671	*
1672	* @global object $post Post object
1673	* @param mixed $output HTML output
1674	* @param array $shortcode_atts Shortcode attributes
1675	* @return string HTML output
1676	*/
1677	public function basic_slider_gallery_shortcode( $output, $shortcode_atts ) {
1678	if ( ! empty( $output ) )
1679	return $output;
1680
1681	global $post;
1682
1683	$defaults = array(
1684	'rl_gallery_id' => 0,
1685	'id' => isset( $post->ID ) ? (int) $post->ID : 0,
1686	'class' => '',
1687	'include' => '',
1688	'exclude' => '',
1689	'urls' => '',
1690	'type' => '',
1691	'order' => 'asc',
1692	'orderby' => 'menu_order',
1693	'size' => 'medium',
1694	'link' => 'file',
1695	'columns' => 3
1696	);
1697
1698	// get main instance
1699	$rl = Responsive_Lightbox();
1700
1701	if ( ! is_array( $shortcode_atts ) )
1702	$shortcode_atts = wp_parse_args( $shortcode_atts, $defaults );
1703
1704	// is there rl_gallery ID?
1705	$rl_gallery_id = $defaults['rl_gallery_id'] = ! empty( $shortcode_atts['rl_gallery_id'] ) ? (int) $shortcode_atts['rl_gallery_id'] : 0;
1706
1707	// is it rl gallery?
1708	$rl_gallery = $rl->options['builder']['gallery_builder'] && $rl_gallery_id && get_post_type( $rl_gallery_id ) === 'rl_gallery';
1709
1710	if ( ! array_key_exists( 'type', $shortcode_atts ) )
1711	$shortcode_atts['type'] = '';
1712
1713	// break if it is not basic slider gallery - first check
1714	if ( ! ( $shortcode_atts['type'] === 'basicslider' \|\| ( $shortcode_atts['type'] === '' && ( ( $rl_gallery && $rl->options['settings']['builder_gallery'] === 'basicslider' ) \|\| ( ! $rl_gallery && $rl->options['settings']['default_gallery'] === 'basicslider' ) ) ) ) )
1715	return $output;
1716
1717	// get shortcode gallery fields combined with defaults
1718	$fields = rl_get_gallery_fields( 'basicslider' );
1719
1720	// get gallery fields attributes
1721	$field_atts = rl_get_gallery_fields_atts( $fields, $shortcode_atts, $rl_gallery );
1722
1723	// is it rl gallery? add misc and lightbox fields
1724	if ( $rl_gallery )
1725	$fields += $rl->galleries->fields['lightbox']['options'] + $rl->galleries->fields['misc']['options'];
1726
1727	// get only valid arguments
1728	$atts = shortcode_atts( array_merge( $defaults, $field_atts ), $shortcode_atts, 'gallery' );
1729
1730	// sanitize gallery fields
1731	$atts = $this->sanitize_shortcode_args( $atts, $fields );
1732
1733	// break if it is not basic slider gallery
1734	if ( ! ( $atts['type'] === 'basicslider' \|\| ( $atts['type'] === '' && ( ( $rl_gallery && $rl->options['settings']['builder_gallery'] === 'basicslider' ) \|\| ( ! $rl_gallery && $rl->options['settings']['default_gallery'] === 'basicslider' ) ) ) ) )
1735	return $output;
1736
1737	// ID
1738	$atts['id'] = (int) $atts['id'];
1739
1740	// add custom classes if needed
1741	if ( $rl_gallery )
1742	$atts['class'] .= ' ' . $atts['gallery_custom_class'];
1743
1744	// any classes?
1745	if ( $atts['class'] !== '' ) {
1746	$atts['class'] = trim( $atts['class'] );
1747
1748	// more than 1 class?
1749	if ( strpos( $atts['class'], ' ' ) !== false ) {
1750	// get unique valid HTML classes
1751	$atts['class'] = array_unique( array_filter( array_map( 'sanitize_html_class', explode( ' ', $atts['class'] ) ) ) );
1752
1753	if ( ! empty( $atts['class'] ) )
1754	$atts['class'] = implode( ' ', $atts['class'] );
1755	else
1756	$atts['class'] = '';
1757	// single class
1758	} else
1759	$atts['class'] = sanitize_html_class( $atts['class'] );
1760	}
1761
1762	// orderby
1763	if ( empty( $atts['orderby'] ) ) {
1764	$atts['orderby'] = sanitize_sql_orderby( $atts['orderby'] );
1765
1766	if ( empty( $atts['orderby'] ) )
1767	$atts['orderby'] = $defaults['orderby'];
1768	}
1769
1770	// order
1771	if ( strtolower( $atts['order'] ) === 'rand' )
1772	$atts['orderby'] = 'rand';
1773
1774	// gallery lightbox source size
1775	if ( ! empty( $atts['lightbox_image_size'] ) ) {
1776	if ( $atts['lightbox_image_size'] === 'global' )
1777	$atts['src_size'] = $rl->options['settings']['gallery_image_size'];
1778	elseif ( $atts['lightbox_image_size'] === 'lightbox_custom_size' && isset( $atts['lightbox_custom_size_width'], $atts['lightbox_custom_size_height'] ) )
1779	$atts['src_size'] = array( $atts['lightbox_custom_size_width'], $atts['lightbox_custom_size_height'] );
1780	else
1781	$atts['src_size'] = $atts['lightbox_image_size'];
1782	} else
1783	$atts['src_size'] = $rl->options['settings']['gallery_image_size'];
1784
1785	// filter all shortcode arguments
1786	$atts = apply_filters( 'rl_gallery_shortcode_atts', $atts, $rl_gallery_id );
1787
1788	// get gallery images
1789	$images = rl_get_gallery_shortcode_images( $atts );
1790
1791	if ( empty( $images ) \|\| is_feed() \|\| defined( 'IS_HTML_EMAIL' ) )
1792	return $output;
1793
1794	$gallery_no = $this->gallery_no;
1795
1796	ob_start(); ?>
1797
1798	<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; ?>">
1799
1800	<?php do_action( 'rl_before_gallery', $atts, $rl_gallery_id ); ?>
1801
1802	<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; ?>">
1803
1804	<?php foreach ( $images as $image ) {
1805	echo '<li class="rl-gallery-item">' . $image['link'] . '</li>';
1806	} ?>
1807
1808	</ul>
1809
1810	<?php do_action( 'rl_after_gallery', $atts, $rl_gallery_id ); ?>
1811
1812	</div>
1813
1814	<?php $gallery_html = ob_get_contents();
1815
1816	ob_end_clean();
1817
1818	// scripts
1819	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' ) );
1820	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' ) );
1821
1822	// styles
1823	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'] );
1824
1825	wp_localize_script(
1826	'responsive-lightbox-basicslider-gallery',
1827	'rlArgsBasicSliderGallery' . ( $gallery_no + 1 ),
1828	json_encode(
1829	array(
1830	'adaptive_height' => $atts['adaptive_height'],
1831	'loop' => $atts['loop'],
1832	'captions' => $atts['captions'],
1833	'init_single' => $atts['init_single'],
1834	'responsive' => $atts['responsive'],
1835	'preload' => $atts['preload'],
1836	'pager' => $atts['pager'],
1837	'controls' => $atts['controls'],
1838	'hide_on_end' => $atts['hide_on_end'],
1839	'slide_margin' => $atts['slide_margin'],
1840	'transition' => $atts['transition'],
1841	'kenburns_zoom' => $atts['kenburns_zoom'],
1842	'speed' => $atts['speed'],
1843	'easing' => $atts['easing'],
1844	'continuous' => $atts['continuous'],
1845	'use_css' => $atts['use_css'],
1846	'slideshow' => $atts['slideshow'],
1847	'slideshow_direction' => $atts['slideshow_direction'],
1848	'slideshow_hover' => $atts['slideshow_hover'],
1849	'slideshow_hover_delay' => $atts['slideshow_hover_delay'],
1850	'slideshow_delay' => $atts['slideshow_delay'],
1851	'slideshow_pause' => $atts['slideshow_pause']
1852	)
1853	)
1854	);
1855
1856	// remove any new lines from the output so that the reader parses it better
1857	return apply_filters( 'rl_gallery_shortcode_html', trim( preg_replace( '/\s+/', ' ', $gallery_html ) ), $atts, $rl_gallery_id );
1858	}
1859
1860	/**
1861	* Render Basic Masonry gallery shortcode.
1862	*
1863	* @global object $post Post object
1864	* @param mixed $output HTML output
1865	* @param array $shortcode_atts Shortcode attributes
1866	* @return string HTML output
1867	*/
1868	public function basic_masonry_gallery_shortcode( $output, $shortcode_atts ) {
1869	if ( ! empty( $output ) )
1870	return $output;
1871
1872	global $post;
1873
1874	$defaults = array(
1875	'rl_gallery_id' => 0,
1876	'id' => isset( $post->ID ) ? (int) $post->ID : 0,
1877	'class' => '',
1878	'include' => '',
1879	'exclude' => '',
1880	'urls' => '',
1881	'type' => '',
1882	'order' => 'asc',
1883	'orderby' => 'menu_order',
1884	'size' => 'medium',
1885	'link' => 'file',
1886	'columns' => 3
1887	);
1888
1889	// get main instance
1890	$rl = Responsive_Lightbox();
1891
1892	if ( ! is_array( $shortcode_atts ) )
1893	$shortcode_atts = wp_parse_args( $shortcode_atts, $defaults );
1894
1895	// is there rl_gallery ID?
1896	$rl_gallery_id = $defaults['rl_gallery_id'] = ! empty( $shortcode_atts['rl_gallery_id'] ) ? (int) $shortcode_atts['rl_gallery_id'] : 0;
1897
1898	// is it rl gallery?
1899	$rl_gallery = $rl->options['builder']['gallery_builder'] && $rl_gallery_id && get_post_type( $rl_gallery_id ) === 'rl_gallery';
1900
1901	if ( ! array_key_exists( 'type', $shortcode_atts ) )
1902	$shortcode_atts['type'] = '';
1903
1904	// break if it is not basic masonry gallery - first check
1905	if ( ! ( $shortcode_atts['type'] === 'basicmasonry' \|\| ( $shortcode_atts['type'] === '' && ( ( $rl_gallery && $rl->options['settings']['builder_gallery'] === 'basicmasonry' ) \|\| ( ! $rl_gallery && $rl->options['settings']['default_gallery'] === 'basicmasonry' ) ) ) ) )
1906	return $output;
1907
1908	// get shortcode gallery fields combined with defaults
1909	$fields = rl_get_gallery_fields( 'basicmasonry' );
1910
1911	// get gallery fields attributes
1912	$field_atts = rl_get_gallery_fields_atts( $fields, $shortcode_atts, $rl_gallery );
1913
1914	// is it rl gallery? add misc and lightbox fields
1915	if ( $rl_gallery )
1916	$fields += $rl->galleries->fields['lightbox']['options'] + $rl->galleries->fields['misc']['options'];
1917
1918	// get only valid arguments
1919	$atts = shortcode_atts( array_merge( $defaults, $field_atts ), $shortcode_atts, 'gallery' );
1920
1921	// sanitize gallery fields
1922	$atts = $this->sanitize_shortcode_args( $atts, $fields );
1923
1924	// break if it is not basic masonry gallery
1925	if ( ! ( $atts['type'] === 'basicmasonry' \|\| ( $atts['type'] === '' && ( ( $rl_gallery && $rl->options['settings']['builder_gallery'] === 'basicmasonry' ) \|\| ( ! $rl_gallery && $rl->options['settings']['default_gallery'] === 'basicmasonry' ) ) ) ) )
1926	return $output;
1927
1928	// ID
1929	$atts['id'] = (int) $atts['id'];
1930
1931	// add custom classes if needed
1932	if ( $rl_gallery )
1933	$atts['class'] .= ' ' . $atts['gallery_custom_class'];
1934
1935	// any classes?
1936	if ( $atts['class'] !== '' ) {
1937	$atts['class'] = trim( $atts['class'] );
1938
1939	// more than 1 class?
1940	if ( strpos( $atts['class'], ' ' ) !== false ) {
1941	// get unique valid HTML classes
1942	$atts['class'] = array_unique( array_filter( array_map( 'sanitize_html_class', explode( ' ', $atts['class'] ) ) ) );
1943
1944	if ( ! empty( $atts['class'] ) )
1945	$atts['class'] = implode( ' ', $atts['class'] );
1946	else
1947	$atts['class'] = '';
1948	// single class
1949	} else
1950	$atts['class'] = sanitize_html_class( $atts['class'] );
1951	}
1952
1953	// orderby
1954	if ( empty( $atts['orderby'] ) ) {
1955	$atts['orderby'] = sanitize_sql_orderby( $atts['orderby'] );
1956
1957	if ( empty( $atts['orderby'] ) )
1958	$atts['orderby'] = $defaults['orderby'];
1959	}
1960
1961	// order
1962	if ( strtolower( $atts['order'] ) === 'rand' )
1963	$atts['orderby'] = 'rand';
1964
1965	// check columns
1966	if ( $atts['columns_lg'] === 0 )
1967	$atts['columns_lg'] = $atts['columns'];
1968
1969	if ( $atts['columns_md'] === 0 )
1970	$atts['columns_md'] = $atts['columns'];
1971
1972	if ( $atts['columns_sm'] === 0 )
1973	$atts['columns_sm'] = $atts['columns'];
1974
1975	if ( $atts['columns_xs'] === 0 )
1976	$atts['columns_xs'] = $atts['columns'];
1977
1978	// gallery lightbox source size
1979	if ( ! empty( $atts['lightbox_image_size'] ) ) {
1980	if ( $atts['lightbox_image_size'] === 'global' )
1981	$atts['src_size'] = $rl->options['settings']['gallery_image_size'];
1982	elseif ( $atts['lightbox_image_size'] === 'lightbox_custom_size' && isset( $atts['lightbox_custom_size_width'], $atts['lightbox_custom_size_height'] ) )
1983	$atts['src_size'] = array( $atts['lightbox_custom_size_width'], $atts['lightbox_custom_size_height'] );
1984	else
1985	$atts['src_size'] = $atts['lightbox_image_size'];
1986	} else
1987	$atts['src_size'] = $rl->options['settings']['gallery_image_size'];
1988
1989	// filter all shortcode arguments
1990	$atts = apply_filters( 'rl_gallery_shortcode_atts', $atts, $rl_gallery_id );
1991
1992	// get gallery images
1993	$images = rl_get_gallery_shortcode_images( $atts );
1994
1995	if ( empty( $images ) \|\| is_feed() \|\| defined( 'IS_HTML_EMAIL' ) )
1996	return $output;
1997
1998	$gallery_no = $this->gallery_no;
1999
2000	ob_start(); ?>
2001
2002	<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; ?>">
2003
2004	<?php do_action( 'rl_before_gallery', $atts, $rl_gallery_id ); ?>
2005
2006	<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; ?>">
2007
2008	<?php
2009	$count = 0;
2010
2011	if ( $count === 0 )
2012	echo '<div class="rl-gutter-sizer"></div><div class="rl-grid-sizer"></div>';
2013
2014	foreach ( $images as $image ) {
2015	echo '
2016	<div class="rl-gallery-item' . ( $count === 0 ? ' rl-gallery-item-width-4' : '' ) . '" ' . implode( ' ', apply_filters( 'rl_gallery_item_extra_args', array(), $atts, $image ) ) . '>
2017	<div class="rl-gallery-item-content">
2018	' . $image['link'] . '
2019	</div>
2020	</div>';
2021
2022	$count++;
2023	} ?>
2024
2025	</div>
2026
2027	<?php do_action( 'rl_after_gallery', $atts, $rl_gallery_id ); ?>
2028
2029	</div>
2030
2031	<?php $gallery_html = ob_get_contents();
2032
2033	ob_clean();
2034
2035	// scripts
2036	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' ) );
2037
2038	// styles
2039	wp_enqueue_style( 'responsive-lightbox-basicmasonry-gallery', plugins_url( 'css/gallery-basicmasonry.css', dirname( __FILE__ ) ), array(), $rl->defaults['version'] );
2040
2041	// add inline style
2042	wp_add_inline_style( 'responsive-lightbox-basicmasonry-gallery', '
2043	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery {
2044	margin: ' . -( $atts['margin'] / 2 ) . 'px ' . -( $atts['gutter'] / 2 ) . 'px;
2045	padding: ' . $atts['margin'] . 'px 0;
2046	}
2047	#rl-gallery-container-' . $gallery_no . ' .rl-pagination-bottom {
2048	margin-top: ' . ( $atts['margin'] / 2 ) . 'px
2049	}
2050	#rl-gallery-container-' . $gallery_no . ' .rl-pagination-top {
2051	margin-bottom: ' . ( $atts['margin'] / 2 ) . 'px
2052	}
2053	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-gallery-item,
2054	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-grid-sizer {
2055	width: calc(' . ( 100 / $atts['columns'] ) . '% - ' . $atts['gutter'] . 'px);
2056	margin: ' . ( $atts['margin'] / 2 ) . 'px ' . ( $atts['gutter'] / 2 ) . 'px;
2057	}
2058	@media all and (min-width: 1200px) {
2059	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-gallery-item,
2060	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-grid-sizer {
2061	width: calc(' . ( 100 / $atts['columns_lg'] ) . '% - ' . $atts['gutter'] . 'px);
2062	margin: ' . ( $atts['margin'] / 2 ) . 'px ' . ( $atts['gutter'] / 2 ) . 'px;
2063	}
2064	}
2065	@media all and (min-width: 992px) and (max-width: 1200px) {
2066	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-gallery-item,
2067	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-grid-sizer {
2068	width: calc(' . ( 100 / $atts['columns_md'] ) . '% - ' . $atts['gutter'] . 'px);
2069	margin: ' . ( $atts['margin'] / 2 ) . 'px ' . ( $atts['gutter'] / 2 ) . 'px;
2070	}
2071	}
2072	@media all and (min-width: 768px) and (max-width: 992px) {
2073	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-gallery-item,
2074	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-grid-sizer {
2075	width: calc(' . ( 100 / $atts['columns_sm'] ) . '% - ' . $atts['gutter'] . 'px);
2076	margin: ' . ( $atts['margin'] / 2 ) . 'px ' . ( $atts['gutter'] / 2 ) . 'px;
2077	}
2078	}
2079	@media all and (max-width: 768px) {
2080	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-gallery-item,
2081	#rl-gallery-container-' . $gallery_no . ' .rl-basicmasonry-gallery .rl-grid-sizer {
2082	width: calc(' . ( 100 / $atts['columns_xs'] ) . '% - ' . $atts['gutter'] . 'px);
2083	margin: ' . ( $atts['margin'] / 2 ) . 'px ' . ( $atts['gutter'] / 2 ) . 'px;
2084	}
2085	}'
2086	);
2087
2088	wp_localize_script(
2089	'responsive-lightbox-basicmasonry-gallery',
2090	'rlArgsBasicMasonryGallery' . ( $gallery_no + 1 ),
2091	json_encode(
2092	array(
2093	'originLeft' => $atts['origin_left'],
2094	'originTop' => $atts['origin_top']
2095	)
2096	)
2097	);
2098
2099	// remove any new lines from the output so that the reader parses it better
2100	return apply_filters( 'rl_gallery_shortcode_html', trim( preg_replace( '/\s+/', ' ', $gallery_html ) ), $atts, $rl_gallery_id );
2101	}
2102	}