slideshow-se / classes / SlideshowSEPluginShortcode.php

SlideshowSEPluginShortcode.php in Slideshow SE 2.5, at classes/SlideshowSEPluginShortcode.php

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1	<?php
2	/**
3	* Class SlideshowSEPluginShortcode provides the shortcode function, which is called
4	* on use of shortcode anywhere in the posts and pages. Also provides the shortcode
5	* inserter, so that it's made easier for non-programmers to insert the shortcode
6	* into a post or page.
7	*
8	* @since 1.2.0
9	* @author: Stefan Boonstra
10	*/
11	class SlideshowSEPluginShortcode
12	{
13	/** @var string $shortCode */
14	public static $shortCode = 'slideshow_deploy';
15
16	/** @var string $bookmark */
17	public static $bookmark = '!slideshow_deploy!';
18
19	/** @var array $postIDs */
20	private static $postIds = array();
21
22	/**
23	* Initializes the shortcode, registering it and hooking the shortcode
24	* inserter media buttons.
25	*
26	* @since 2.1.16
27	*/
28	static function init()
29	{
30	// Register shortcode
31	add_shortcode(self::$shortCode, array(__CLASS__, 'slideshowDeploy'));
32
33	// Admin
34	if (is_admin())
35	{
36	// Add shortcode inserter HTML
37	add_action('media_buttons', array(__CLASS__, 'shortcodeInserter'), 11);
38
39	// Enqueue shortcode inserter script
40	add_action('admin_enqueue_scripts', array(__CLASS__, 'localizeScript'), 11);
41	}
42	}
43
44	/**
45	* Function slideshowDeploy adds a bookmark to where ever a shortcode
46	* is found and adds the postId to an array, it then is loaded after
47	* WordPress has done its HTML checks.
48	*
49	* @since 1.2.0
50	* @param mixed $attributes
51	* @return String $output
52	*/
53	static function slideshowDeploy($attributes)
54	{
55	$postId = '';
56
57	if (isset($attributes['id']))
58	{
59	$postId = $attributes['id'];
60	}
61
62	$settings = SlideshowSEPluginSlideshowSettingsHandler::getSettings($postId);
63
64	if ($settings['avoidFilter'] == 'true' &&
65	strlen(current_filter()) > 0)
66	{
67	// Avoid current filter, call function to replace the bookmark with the slideshow
68	add_filter(current_filter(), array(__CLASS__, 'insertSlideshow'), 999);
69
70	// Save post id
71	self::$postIds[] = $postId;
72
73	// Set output
74	$output = self::$bookmark;
75	}
76	else
77	{
78	// Just output the slideshow, without filtering
79	$output = SlideshowSEPlugin::prepare($postId);
80	}
81
82	// Return output
83	return $output;
84	}
85
86	/**
87	* Function insertSlideshow uses the prepare method of class SlideshowSEPlugin
88	* to insert the code for the slideshow on the location a bookmark was found.
89	*
90	* @since 2.1.8
91	* @param String $content
92	* @return String $content
93	*/
94	static function insertSlideshow($content)
95	{
96	// Loop through post ids
97	if (is_array(self::$postIds) &&
98	count(self::$postIds) > 0)
99	{
100	foreach (self::$postIds as $postId)
101	{
102	$updatedContent = preg_replace("/" . self::$bookmark . "/", SlideshowSEPlugin::prepare($postId), $content, 1);
103
104	if (is_string($updatedContent))
105	{
106	$content = $updatedContent;
107	}
108	}
109	}
110
111	// Reset postIds, so a shortcode in a next post can be used
112	self::$postIds = array();
113
114	return $content;
115	}
116
117	/**
118	* Hooked on the admin's 'media_buttons' hook, outputs the shortcode inserter media button
119	*
120	* @since 2.1.16
121	*/
122	static function shortcodeInserter()
123	{
124	$data = new stdClass();
125	$data->slideshows = new WP_Query(array(
126	'post_type' => SlideshowSEPluginPostType::$postType,
127	'orderby' => 'post_date',
128	'posts_per_page' => -1,
129	'order' => 'DESC'
130	));
131
132	SlideshowSEPluginMain::outputView(__CLASS__ . DIRECTORY_SEPARATOR . 'shortcode-inserter.php', $data);
133	}
134
135	/**
136	* Enqueues the shortcode inserter script
137	*
138	* @since 2.1.16
139	*/
140	static function localizeScript()
141	{
142	wp_localize_script(
143	'slideshow-jquery-image-gallery-backend-script',
144	'slideshow_jquery_image_gallery_backend_script_shortcode',
145	array(
146	'data' => array('shortcode' => SlideshowSEPluginShortcode::$shortCode),
147	'localization' => array('undefinedSlideshow' => __('No slideshow selected.', 'slideshow-se'))
148	)
149	);
150	}
151	}