responsive-lightbox.php — Responsive Lightbox & Gallery 1.6.0

responsive-lightbox / responsive-lightbox.php

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responsive-lightbox.php

703 lines

1	<?php
2	/*
3	Plugin Name: Responsive Lightbox
4	Description: Responsive Lightbox allows users to view larger versions of images and galleries in a lightbox (overlay) effect optimized for mobile devices.
5	Version: 1.6.0
6	Author: dFactory
7	Author URI: http://www.dfactory.eu/
8	Plugin URI: http://www.dfactory.eu/plugins/responsive-lightbox/
9	License: MIT License
10	License URI: http://opensource.org/licenses/MIT
11	Text Domain: responsive-lightbox
12	Domain Path: /languages
13
14	Responsive Lightbox
15	Copyright (C) 2013-2015, Digital Factory - info@digitalfactory.pl
16
17	Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
18
19	The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
20
21	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22	*/
23
24	// exit if accessed directly
25	if ( ! defined( 'ABSPATH' ) )
26	exit;
27
28	define( 'RESPONSIVE_LIGHTBOX_URL', plugins_url( '', __FILE__ ) );
29	define( 'RESPONSIVE_LIGHTBOX_PATH', plugin_dir_path( __FILE__ ) );
30	define( 'RESPONSIVE_LIGHTBOX_REL_PATH', dirname( plugin_basename( __FILE__ ) ) . '/' );
31
32	include_once( RESPONSIVE_LIGHTBOX_PATH . 'includes/class-frontend.php' );
33	include_once( RESPONSIVE_LIGHTBOX_PATH . 'includes/class-settings.php' );
34
35	/**
36	* Responsive Lightbox class.
37	*
38	* @class Responsive_Lightbox
39	* @version 1.6.0
40	*/
41	class Responsive_Lightbox {
42
43	public $defaults = array(
44	'settings' => array(
45	'script' => 'swipebox',
46	'selector' => 'lightbox',
47	'galleries' => true,
48	'gallery_image_size' => 'full',
49	'gallery_image_title' => 'default',
50	'force_custom_gallery' => false,
51	'videos' => true,
52	'image_links' => true,
53	'image_title' => 'default',
54	'images_as_gallery' => false,
55	'deactivation_delete' => false,
56	'loading_place' => 'header',
57	'conditional_loading' => false,
58	'enable_custom_events' => false,
59	'custom_events' => 'ajaxComplete',
60	'update_version' => 0,
61	'update_notice' => true
62	),
63	'configuration' => array(
64	'prettyphoto' => array(
65	'animation_speed' => 'normal',
66	'slideshow' => false,
67	'slideshow_delay' => 5000,
68	'slideshow_autoplay' => false,
69	'opacity' => 75,
70	'show_title' => true,
71	'allow_resize' => true,
72	'allow_expand' => true,
73	'width' => 1080,
74	'height' => 720,
75	'separator' => '/',
76	'theme' => 'pp_default',
77	'horizontal_padding' => 20,
78	'hide_flash' => false,
79	'wmode' => 'opaque',
80	'video_autoplay' => false,
81	'modal' => false,
82	'deeplinking' => false,
83	'overlay_gallery' => true,
84	'keyboard_shortcuts' => true,
85	'social' => false
86	),
87	'swipebox' => array(
88	'animation' => 'css',
89	'force_png_icons' => false,
90	'hide_close_mobile' => false,
91	'remove_bars_mobile' => false,
92	'hide_bars' => true,
93	'hide_bars_delay' => 5000,
94	'video_max_width' => 1080,
95	'loop_at_end' => false
96	),
97	'fancybox' => array(
98	'modal' => false,
99	'show_overlay' => true,
100	'show_close_button' => true,
101	'enable_escape_button' => true,
102	'hide_on_overlay_click' => true,
103	'hide_on_content_click' => false,
104	'cyclic' => false,
105	'show_nav_arrows' => true,
106	'auto_scale' => true,
107	'scrolling' => 'yes',
108	'center_on_scroll' => true,
109	'opacity' => true,
110	'overlay_opacity' => 70,
111	'overlay_color' => '#666',
112	'title_show' => true,
113	'title_position' => 'outside',
114	'transitions' => 'fade',
115	'easings' => 'swing',
116	'speeds' => 300,
117	'change_speed' => 300,
118	'change_fade' => 100,
119	'padding' => 5,
120	'margin' => 5,
121	'video_width' => 1080,
122	'video_height' => 720
123	),
124	'nivo' => array(
125	'effect' => 'fade',
126	'click_overlay_to_close' => true,
127	'keyboard_nav' => true,
128	'error_message' => 'The requested content cannot be loaded. Please try again later.'
129	),
130	'imagelightbox' => array(
131	'animation_speed' => 250,
132	'preload_next' => true,
133	'enable_keyboard' => true,
134	'quit_on_end' => false,
135	'quit_on_image_click' => false,
136	'quit_on_document_click' => true
137	),
138	'tosrus' => array(
139	'effect' => 'slide',
140	'infinite' => true,
141	'keys' => false,
142	'autoplay' => true,
143	'pause_on_hover' => false,
144	'timeout' => 4000,
145	'pagination' => true,
146	'pagination_type' => 'thumbnails'
147	)
148	),
149	'version' => '1.6.0'
150	);
151	public $options = array();
152	private $notices = array();
153	private static $_instance;
154
155	private function __clone() {}
156	private function __wakeup() {}
157
158	/**
159	* Main Responsive Lightbox instance.
160	*/
161	public static function instance() {
162	if ( self::$_instance === null ) {
163	self::$_instance = new self();
164	}
165	return self::$_instance;
166	}
167
168	public function __construct() {
169	register_activation_hook( __FILE__, array( &$this, 'activate_multisite' ) );
170	register_deactivation_hook( __FILE__, array( &$this, 'deactivate_multisite' ) );
171
172	// change from older versions
173	$db_version = get_option( 'responsive_lightbox_version' );
174
175	if ( version_compare( ( $db_version === false ? '1.0.0' : $db_version ), '1.0.5', '<' ) ) {
176	if ( ($array = get_option( 'rl_settings' )) !== false ) {
177	update_option( 'responsive_lightbox_settings', $array );
178	delete_option( 'rl_settings' );
179	}
180
181	if ( ($array = get_option( 'rl_configuration' )) !== false ) {
182	update_option( 'responsive_lightbox_configuration', $array );
183	delete_option( 'rl_configuration' );
184	}
185	}
186
187	// update plugin version
188	update_option( 'responsive_lightbox_version', $this->defaults['version'], '', 'no' );
189
190	$this->options['settings'] = array_merge( $this->defaults['settings'], ( ($array = get_option( 'responsive_lightbox_settings' ) ) === false ? array() : $array ) );
191
192	// for multi arrays we have to merge them separately
193	$db_conf_opts = ( ( $base = get_option( 'responsive_lightbox_configuration' ) ) === false ? array() : $base );
194
195	foreach ( $this->defaults['configuration'] as $script => $settings ) {
196	$this->options['configuration'][$script] = array_merge( $settings, (isset( $db_conf_opts[$script] ) ? $db_conf_opts[$script] : array() ) );
197	}
198
199	// actions
200	add_action( 'plugins_loaded', array( &$this, 'load_textdomain' ) );
201	add_action( 'wp_enqueue_scripts', array( &$this, 'front_scripts_styles' ) );
202	add_action( 'admin_enqueue_scripts', array( &$this, 'admin_scripts_styles' ) );
203	add_action( 'admin_init', array( &$this, 'update_notices' ) );
204
205	// filters
206	add_filter( 'plugin_action_links', array( &$this, 'plugin_settings_link' ), 10, 2 );
207	}
208
209	/**
210	* Single site activation function
211	*/
212	public function activate_single() {
213	add_option( 'responsive_lightbox_settings', $this->defaults['settings'], '', 'no' );
214	add_option( 'responsive_lightbox_configuration', $this->defaults['configuration'], '', 'no' );
215	add_option( 'responsive_lightbox_version', $this->defaults['version'], '', 'no' );
216	}
217
218	/**
219	* Single site deactivation function
220	*/
221	public function deactivate_single( $multi = false ) {
222	if ( $multi === true ) {
223	$options = get_option( 'responsive_lightbox_settings' );
224	$check = $options['deactivation_delete'];
225	} else
226	$check = $this->options['settings']['deactivation_delete'];
227
228	if ( $check === true ) {
229	delete_option( 'responsive_lightbox_settings' );
230	delete_option( 'responsive_lightbox_configuration' );
231	delete_option( 'responsive_lightbox_version' );
232	}
233	}
234
235	/**
236	* Activation function
237	*/
238	public function activate_multisite( $networkwide ) {
239	if ( is_multisite() && $networkwide ) {
240	global $wpdb;
241
242	$activated_blogs = array();
243	$current_blog_id = $wpdb->blogid;
244	$blogs_ids = $wpdb->get_col( $wpdb->prepare( 'SELECT blog_id FROM ' . $wpdb->blogs, '' ) );
245
246	foreach ( $blogs_ids as $blog_id ) {
247	switch_to_blog( $blog_id );
248	$this->activate_single();
249	$activated_blogs[] = (int) $blog_id;
250	}
251
252	switch_to_blog( $current_blog_id );
253	update_site_option( 'responsive_lightbox_activated_blogs', $activated_blogs, array() );
254	} else
255	$this->activate_single();
256	}
257
258	/**
259	* Dectivation function
260	*/
261	public function deactivate_multisite( $networkwide ) {
262	if ( is_multisite() && $networkwide ) {
263	global $wpdb;
264
265	$current_blog_id = $wpdb->blogid;
266	$blogs_ids = $wpdb->get_col( $wpdb->prepare( 'SELECT blog_id FROM ' . $wpdb->blogs, '' ) );
267
268	if ( ($activated_blogs = get_site_option( 'responsive_lightbox_activated_blogs', false, false )) === false )
269	$activated_blogs = array();
270
271	foreach ( $blogs_ids as $blog_id ) {
272	switch_to_blog( $blog_id );
273	$this->deactivate_single( true );
274
275	if ( in_array( (int) $blog_id, $activated_blogs, true ) )
276	unset( $activated_blogs[array_search( $blog_id, $activated_blogs )] );
277	}
278
279	switch_to_blog( $current_blog_id );
280	update_site_option( 'responsive_lightbox_activated_blogs', $activated_blogs );
281	} else
282	$this->deactivate_single();
283	}
284
285	/**
286	* Load textdomain
287	*/
288	public function load_textdomain() {
289	load_plugin_textdomain( 'responsive-lightbox', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );
290	}
291
292	/**
293	* Update notices.
294	*/
295	public function update_notices() {
296	if ( ! current_user_can( 'install_plugins' ) )
297	return;
298
299	$current_update = 1;
300
301	if ( $this->options['settings']['update_version'] < $current_update ) {
302	// check version, if update ver is lower than plugin ver, set update notice to true
303	$this->options['settings'] = array_merge( $this->options['settings'], array( 'update_version' => $current_update, 'update_notice' => true ) );
304	update_option( 'responsive_lightbox_settings', $this->options['settings'] );
305	} elseif ( isset( $_GET['rl_action'] ) && $_GET['rl_action'] == 'hide_notice' ) {
306	// hide notice, if query arg is set, before it gets displayed
307	$this->options['settings'] = array_merge( $this->options['settings'], array( 'update_notice' => false ) );
308	update_option( 'responsive_lightbox_settings', $this->options['settings'] );
309	}
310
311	// display current version notice
312	if ( $this->options['settings']['update_notice'] === true ) {
313
314	$this->add_notice( sprintf(__( 'Thank you for updating Responsive Lightbox to version %s. <a href="%s">Click here</a> to check out our latest extensions!', 'responsive-lightbox'), $this->defaults['version'], esc_url( add_query_arg( array( 'rl_action' => 'hide_notice' ), admin_url( 'options-general.php' ) . '?page=responsive-lightbox&tab=addons' ) ) ), 'updated notice' );
315	}
316	}
317
318	/**
319	* Add admin notices.
320	*/
321	public function add_notice( $html = '', $status = 'error', $paragraph = true, $network = false ) {
322	$this->notices[] = array(
323	'html' => $html,
324	'status' => $status,
325	'paragraph' => $paragraph
326	);
327
328	add_action( 'admin_notices', array( &$this, 'display_notice') );
329
330	if( $network )
331	add_action( 'network_admin_notices', array( &$this, 'display_notice') );
332	}
333
334	/**
335	* Print admin notices.
336	*/
337	public function display_notice() {
338	foreach( $this->notices as $notice ) {
339	echo '
340	<div class="' . $notice['status'] . '">
341	' . ( $notice['paragraph'] ? '<p>' : '' ) . '
342	' . $notice['html'] . '
343	' . ( $notice['paragraph'] ? '</p>' : '' ) . '
344	</div>';
345	}
346	}
347
348	/**
349	* Add links to Support Forum
350	*/
351	public function plugin_extend_links( $links, $file ) {
352	if ( ! current_user_can( 'install_plugins' ) )
353	return $links;
354
355	$plugin = plugin_basename( __FILE__ );
356
357	if ( $file == $plugin ) {
358	return array_merge(
359	$links, array( sprintf( '<a href="http://www.dfactory.eu/support/forum/responsive-lightbox/" target="_blank">%s</a>', __( 'Support', 'responsive-lightbox' ) ) )
360	);
361	}
362
363	return $links;
364	}
365
366	/**
367	* Add links to Settings page
368	*/
369	public function plugin_settings_link( $links, $file ) {
370	if ( ! is_admin() \|\| ! current_user_can( 'manage_options' ) )
371	return $links;
372
373	static $plugin;
374
375	$plugin = plugin_basename( __FILE__ );
376
377	if ( $file == $plugin ) {
378	$settings_link = sprintf( '<a href="%s">%s</a>', admin_url( 'options-general.php' ) . '?page=responsive-lightbox', __( 'Settings', 'responsive-lightbox' ) );
379	array_unshift( $links, $settings_link );
380	}
381
382	return $links;
383	}
384
385	/**
386	* Enqueue admin scripts and styles
387	*/
388	public function admin_scripts_styles( $page ) {
389	if ( $page === 'settings_page_responsive-lightbox' ) {
390
391	wp_register_script(
392	'responsive-lightbox-admin', plugins_url( 'js/admin.js', __FILE__ ), array( 'jquery', 'wp-color-picker' ), $this->defaults['version']
393	);
394	wp_enqueue_script( 'responsive-lightbox-admin' );
395
396	wp_localize_script(
397	'responsive-lightbox-admin', 'rlArgs', array(
398	'resetSettingsToDefaults' => __( 'Are you sure you want to reset these settings to defaults?', 'responsive-lightbox' ),
399	'resetScriptToDefaults' => __( 'Are you sure you want to reset this script settings to defaults?', 'responsive-lightbox' ),
400	)
401	);
402
403	wp_enqueue_style( 'wp-color-picker' );
404
405	wp_register_style(
406	'responsive-lightbox-admin', plugins_url( 'css/admin.css', __FILE__ ), array(), $this->defaults['version']
407	);
408	wp_enqueue_style( 'responsive-lightbox-admin' );
409	}
410	}
411
412	/**
413	* Enqueue frontend scripts and styles
414	*/
415	public function front_scripts_styles() {
416
417	$args = apply_filters( 'rl_lightbox_args', array(
418	'script' => $this->options['settings']['script'],
419	'selector' => $this->options['settings']['selector'],
420	'customEvents' => ( $this->options['settings']['enable_custom_events'] === true ? ' ' . $this->options['settings']['custom_events'] : '' ),
421	'activeGalleries' => $this->get_boolean_value( $this->options['settings']['galleries'] )
422	) );
423
424	$scripts = array();
425	$styles = array();
426
427	switch ( $args['script'] ) {
428
429	case 'prettyphoto' :
430
431	wp_register_script(
432	'responsive-lightbox-prettyphoto', plugins_url( 'assets/prettyphoto/js/jquery.prettyPhoto.js', __FILE__ ), array( 'jquery' ), $this->defaults['version'], ($this->options['settings']['loading_place'] === 'header' ? false : true )
433	);
434	wp_register_style(
435	'responsive-lightbox-prettyphoto', plugins_url( 'assets/prettyphoto/css/prettyPhoto.css', __FILE__ ), array(), $this->defaults['version']
436	);
437
438	$scripts[] = 'responsive-lightbox-prettyphoto';
439	$styles[] = 'responsive-lightbox-prettyphoto';
440
441	$args = array_merge(
442	$args, array(
443	'animationSpeed' => $this->options['configuration']['prettyphoto']['animation_speed'],
444	'slideshow' => $this->get_boolean_value( $this->options['configuration']['prettyphoto']['slideshow'] ),
445	'slideshowDelay' => $this->options['configuration']['prettyphoto']['slideshow_delay'],
446	'slideshowAutoplay' => $this->get_boolean_value( $this->options['configuration']['prettyphoto']['slideshow_autoplay'] ),
447	'opacity' => sprintf( '%.2f', ($this->options['configuration']['prettyphoto']['opacity'] / 100 ) ),
448	'showTitle' => $this->get_boolean_value( $this->options['configuration']['prettyphoto']['show_title'] ),
449	'allowResize' => $this->get_boolean_value( $this->options['configuration']['prettyphoto']['allow_resize'] ),
450	'allowExpand' => $this->get_boolean_value( $this->options['configuration']['prettyphoto']['allow_expand'] ),
451	'width' => $this->options['configuration']['prettyphoto']['width'],
452	'height' => $this->options['configuration']['prettyphoto']['height'],
453	'separator' => $this->options['configuration']['prettyphoto']['separator'],
454	'theme' => $this->options['configuration']['prettyphoto']['theme'],
455	'horizontalPadding' => $this->options['configuration']['prettyphoto']['horizontal_padding'],
456	'hideFlash' => $this->get_boolean_value( $this->options['configuration']['prettyphoto']['hide_flash'] ),
457	'wmode' => $this->options['configuration']['prettyphoto']['wmode'],
458	'videoAutoplay' => $this->get_boolean_value( $this->options['configuration']['prettyphoto']['video_autoplay'] ),
459	'modal' => $this->get_boolean_value( $this->options['configuration']['prettyphoto']['modal'] ),
460	'deeplinking' => $this->get_boolean_value( $this->options['configuration']['prettyphoto']['deeplinking'] ),
461	'overlayGallery' => $this->get_boolean_value( $this->options['configuration']['prettyphoto']['overlay_gallery'] ),
462	'keyboardShortcuts' => $this->get_boolean_value( $this->options['configuration']['prettyphoto']['keyboard_shortcuts'] ),
463	'social' => $this->get_boolean_value( $this->options['configuration']['prettyphoto']['social'] )
464	)
465	);
466
467	break;
468
469	case 'swipebox' :
470
471	wp_register_script(
472	'responsive-lightbox-swipebox', plugins_url( 'assets/swipebox/js/jquery.swipebox.min.js', __FILE__ ), array( 'jquery' ), $this->defaults['version'], ($this->options['settings']['loading_place'] === 'header' ? false : true )
473	);
474	wp_register_style(
475	'responsive-lightbox-swipebox', plugins_url( 'assets/swipebox/css/swipebox.min.css', __FILE__ ), array(), $this->defaults['version']
476	);
477
478	$scripts[] = 'responsive-lightbox-swipebox';
479	$styles[] = 'responsive-lightbox-swipebox';
480
481	$args = array_merge(
482	$args, array(
483	'animation' => $this->get_boolean_value( ($this->options['configuration']['swipebox']['animation'] === 'css' ? true : false ) ),
484	'hideCloseButtonOnMobile' => $this->get_boolean_value( $this->options['configuration']['swipebox']['hide_close_mobile'] ),
485	'removeBarsOnMobile' => $this->get_boolean_value( $this->options['configuration']['swipebox']['remove_bars_mobile'] ),
486	'hideBars' => $this->get_boolean_value( $this->options['configuration']['swipebox']['hide_bars'] ),
487	'hideBarsDelay' => $this->options['configuration']['swipebox']['hide_bars_delay'],
488	'videoMaxWidth' => $this->options['configuration']['swipebox']['video_max_width'],
489	'useSVG' => ! $this->options['configuration']['swipebox']['force_png_icons'],
490	'loopAtEnd' => $this->get_boolean_value( $this->options['configuration']['swipebox']['loop_at_end'] )
491	)
492	);
493
494	break;
495
496	case 'fancybox' :
497
498	wp_register_script(
499	'responsive-lightbox-fancybox', plugins_url( 'assets/fancybox/jquery.fancybox-1.3.4.js', __FILE__ ), array( 'jquery' ), $this->defaults['version'], ($this->options['settings']['loading_place'] === 'header' ? false : true )
500	);
501	wp_register_style(
502	'responsive-lightbox-fancybox', plugins_url( 'assets/fancybox/jquery.fancybox-1.3.4.css', __FILE__ ), array(), $this->defaults['version']
503	);
504
505	$scripts[] = 'responsive-lightbox-fancybox';
506	$styles[] = 'responsive-lightbox-fancybox';
507
508	$args = array_merge(
509	$args, array(
510	'modal' => $this->get_boolean_value( $this->options['configuration']['fancybox']['modal'] ),
511	'showOverlay' => $this->get_boolean_value( $this->options['configuration']['fancybox']['show_overlay'] ),
512	'showCloseButton' => $this->get_boolean_value( $this->options['configuration']['fancybox']['show_close_button'] ),
513	'enableEscapeButton' => $this->get_boolean_value( $this->options['configuration']['fancybox']['enable_escape_button'] ),
514	'hideOnOverlayClick' => $this->get_boolean_value( $this->options['configuration']['fancybox']['hide_on_overlay_click'] ),
515	'hideOnContentClick' => $this->get_boolean_value( $this->options['configuration']['fancybox']['hide_on_content_click'] ),
516	'cyclic' => $this->get_boolean_value( $this->options['configuration']['fancybox']['cyclic'] ),
517	'showNavArrows' => $this->get_boolean_value( $this->options['configuration']['fancybox']['show_nav_arrows'] ),
518	'autoScale' => $this->get_boolean_value( $this->options['configuration']['fancybox']['auto_scale'] ),
519	'scrolling' => $this->options['configuration']['fancybox']['scrolling'],
520	'centerOnScroll' => $this->get_boolean_value( $this->options['configuration']['fancybox']['center_on_scroll'] ),
521	'opacity' => $this->get_boolean_value( $this->options['configuration']['fancybox']['opacity'] ),
522	'overlayOpacity' => $this->options['configuration']['fancybox']['overlay_opacity'],
523	'overlayColor' => $this->options['configuration']['fancybox']['overlay_color'],
524	'titleShow' => $this->get_boolean_value( $this->options['configuration']['fancybox']['title_show'] ),
525	'titlePosition' => $this->options['configuration']['fancybox']['title_position'],
526	'transitions' => $this->options['configuration']['fancybox']['transitions'],
527	'easings' => $this->options['configuration']['fancybox']['easings'],
528	'speeds' => $this->options['configuration']['fancybox']['speeds'],
529	'changeSpeed' => $this->options['configuration']['fancybox']['change_speed'],
530	'changeFade' => $this->options['configuration']['fancybox']['change_fade'],
531	'padding' => $this->options['configuration']['fancybox']['padding'],
532	'margin' => $this->options['configuration']['fancybox']['margin'],
533	'videoWidth' => $this->options['configuration']['fancybox']['video_width'],
534	'videoHeight' => $this->options['configuration']['fancybox']['video_height']
535	)
536	);
537
538	break;
539
540	case 'nivo' :
541
542	wp_register_script(
543	'responsive-lightbox-nivo', plugins_url( 'assets/nivo/nivo-lightbox.min.js', __FILE__ ), array( 'jquery' ), $this->defaults['version'], ($this->options['settings']['loading_place'] === 'header' ? false : true ), $this->defaults['version']
544	);
545	wp_register_style(
546	'responsive-lightbox-nivo', plugins_url( 'assets/nivo/nivo-lightbox.css', __FILE__ ), array(), $this->defaults['version']
547	);
548	wp_register_style(
549	'responsive-lightbox-nivo-default', plugins_url( 'assets/nivo/themes/default/default.css', __FILE__ ), array(), $this->defaults['version']
550	);
551
552	$scripts[] = 'responsive-lightbox-nivo';
553	$styles[] = 'responsive-lightbox-nivo';
554	$styles[] = 'responsive-lightbox-nivo-default';
555
556	$args = array_merge(
557	$args, array(
558	'effect' => $this->options['configuration']['nivo']['effect'],
559	'clickOverlayToClose' => $this->get_boolean_value( $this->options['configuration']['nivo']['click_overlay_to_close'] ),
560	'keyboardNav' => $this->get_boolean_value( $this->options['configuration']['nivo']['keyboard_nav'] ),
561	'errorMessage' => esc_attr( $this->options['configuration']['nivo']['error_message'] )
562	)
563	);
564
565	break;
566
567	case 'imagelightbox' :
568
569	wp_register_script(
570	'responsive-lightbox-imagelightbox', plugins_url( 'assets/imagelightbox/js/imagelightbox.min.js', __FILE__ ), array( 'jquery' ), $this->defaults['version'], ($this->options['settings']['loading_place'] === 'header' ? false : true )
571	);
572	wp_register_style(
573	'responsive-lightbox-imagelightbox', plugins_url( 'assets/imagelightbox/css/imagelightbox.css', __FILE__ ), array(), $this->defaults['version']
574	);
575
576	$scripts[] = 'responsive-lightbox-imagelightbox';
577	$styles[] = 'responsive-lightbox-imagelightbox';
578
579	$args = array_merge(
580	$args, array(
581	'animationSpeed' => $this->options['configuration']['imagelightbox']['animation_speed'],
582	'preloadNext' => $this->get_boolean_value( $this->options['configuration']['imagelightbox']['preload_next'] ),
583	'enableKeyboard' => $this->get_boolean_value( $this->options['configuration']['imagelightbox']['enable_keyboard'] ),
584	'quitOnEnd' => $this->get_boolean_value( $this->options['configuration']['imagelightbox']['quit_on_end'] ),
585	'quitOnImageClick' => $this->get_boolean_value( $this->options['configuration']['imagelightbox']['quit_on_image_click'] ),
586	'quitOnDocumentClick' => $this->get_boolean_value( $this->options['configuration']['imagelightbox']['quit_on_document_click'] ),
587	)
588	);
589
590	break;
591
592	case 'tosrus' :
593
594	// swipe support, enqueue Hammer.js on mobile devices only
595	if ( wp_is_mobile() ) {
596	wp_register_script(
597	'responsive-lightbox-hammer-js', plugins_url( 'assets/tosrus/js/hammer.min.js', __FILE__ ), array(), $this->defaults['version'], ($this->options['settings']['loading_place'] === 'header' ? false : true )
598	);
599	$scripts[] = 'responsive-lightbox-hammer-js';
600	}
601
602	wp_register_script(
603	'responsive-lightbox-tosrus', plugins_url( 'assets/tosrus/js/jquery.tosrus.min.all.js', __FILE__ ), array( 'jquery' ), $this->defaults['version'], ($this->options['settings']['loading_place'] === 'header' ? false : true )
604	);
605	wp_register_style(
606	'responsive-lightbox-tosrus', plugins_url( 'assets/tosrus/css/jquery.tosrus.all.min.css', __FILE__ ), array(), $this->defaults['version']
607	);
608
609	$scripts[] = 'responsive-lightbox-tosrus';
610	$styles[] = 'responsive-lightbox-tosrus';
611
612	$args = array_merge( $args, array(
613	'effect' => $this->options['configuration']['tosrus']['effect'],
614	'infinite' => $this->get_boolean_value( $this->options['configuration']['tosrus']['infinite'] ),
615	'keys' => $this->get_boolean_value( $this->options['configuration']['tosrus']['keys'] ),
616	'autoplay' => $this->get_boolean_value( $this->options['configuration']['tosrus']['autoplay'] ),
617	'pauseOnHover' => $this->get_boolean_value( $this->options['configuration']['tosrus']['pause_on_hover'] ),
618	'timeout' => $this->options['configuration']['tosrus']['timeout'],
619	'pagination' => $this->get_boolean_value( $this->options['configuration']['tosrus']['pagination'] ),
620	'paginationType' => $this->options['configuration']['tosrus']['pagination_type']
621	)
622	);
623
624	break;
625
626	default :
627
628	break;
629	}
630
631	// run scripts by default
632	$contitional_scripts = true;
633
634	if ( $this->options['settings']['conditional_loading'] === true ) {
635
636	global $post;
637
638	if ( is_object( $post ) ) {
639
640	// is gallery present in content
641	$has_gallery = has_shortcode( $post->post_content, 'gallery' );
642
643	// are images present in content
644	preg_match_all( '/<a(.?)href=(?:\'\|")([^<]?).(bmp\|gif\|jpeg\|jpg\|png)(?:\'\|")(.*?)>/i', $post->post_content, $links );
645
646	$has_images = (bool) $links[0];
647
648	if ( $has_gallery === false && $has_images === false ) {
649	$contitional_scripts = false;
650	}
651
652	}
653
654	}
655
656	if ( ! empty( $args['script'] ) && ! empty( $args['selector'] ) && apply_filters( 'rl_lightbox_conditional_loading', $contitional_scripts ) != false ) {
657
658	wp_register_script( 'responsive-lightbox', plugins_url( 'js/front.js', __FILE__ ), array( 'jquery' ), $this->defaults['version'], ( $this->options['settings']['loading_place'] === 'header' ? false : true ) );
659
660	$scripts[] = 'responsive-lightbox';
661
662	// enqueue scripts
663	if ( $scripts && is_array( $scripts ) ) {
664	foreach ( $scripts as $script ) {
665	wp_enqueue_script( $script );
666	}
667
668	wp_localize_script( 'responsive-lightbox', 'rlArgs', $args );
669	}
670
671	// enqueue styles
672	if ( $styles && is_array( $styles ) ) {
673	foreach ( $styles as $style ) {
674	wp_enqueue_style( $style );
675	}
676	}
677	}
678	}
679
680	/**
681	* Helper: convert value to boolean
682	*/
683	private function get_boolean_value( $option ) {
684	return ( $option == true ? 1 : 0 );
685	}
686
687	}
688
689	/**
690	* Initialise Responsive Lightbox.
691	*/
692	function Responsive_Lightbox() {
693	static $instance;
694
695	// first call to instance() initializes the plugin
696	if ( $instance === null \|\| ! ($instance instanceof Responsive_Lightbox) ) {
697	$instance = Responsive_Lightbox::instance();
698	}
699
700	return $instance;
701	}
702
703	$responsive_lightbox = Responsive_Lightbox();