polylang / include / plugins-compat.php

plugins-compat.php in Polylang 1.5.5, at include/plugins-compat.php

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1	<?php
2
3	/*
4	* manages compatibility with 3rd party plugins (and themes)
5	* this class is available as soon as the plugin is loaded
6	*
7	* @since 1.0
8	*/
9	class PLL_Plugins_Compat {
10
11	/*
12	* constructor
13	*
14	* @since 1.0
15	*/
16	public function __construct() {
17	// WordPress Importer
18	add_action('init', array(&$this, 'maybe_wordpress_importer'));
19
20	// YARPP
21	// just makes YARPP aware of the language taxonomy (after Polylang registered it)
22	add_action('init', create_function('',"\$GLOBALS['wp_taxonomies']['language']->yarpp_support = 1;"), 20);
23
24	// WordPress SEO by Yoast
25	add_action('pll_language_defined', array(&$this, 'wpseo_translate_options'));
26	add_filter('get_terms_args', array(&$this, 'wpseo_remove_terms_filter'));
27	add_filter('pll_home_url_white_list', create_function('$arr', "return array_merge(\$arr, array(array('file' => 'wordpress-seo')));"));
28
29	// Custom field template
30	add_action('add_meta_boxes', array(&$this, 'cft_copy'), 10, 2);
31
32	// Aqua Resizer
33	add_filter('pll_home_url_black_list', create_function('$arr', "return array_merge(\$arr, array(array('function' => 'aq_resize')));"));
34
35	// Twenty Fourteen
36	add_filter('transient_featured_content_ids', array(&$this, 'twenty_fourteen_featured_content_ids'));
37
38	if (!PLL_ADMIN)
39	add_filter('option_featured-content', array(&$this, 'twenty_fourteen_option_featured_content'));
40
41	// Jetpack 3
42	add_action('jetpack_widget_get_top_posts', array(&$this, 'jetpack_widget_get_top_posts'), 10, 3);
43	add_filter('grunion_contact_form_field_html', array(&$this, 'grunion_contact_form_field_html_filter'), 10, 3);
44	}
45
46	/*
47	* WordPress Importer
48	* if WordPress Importer is active, replace the wordpress_importer_init function
49	*
50	* @since 1.2
51	*/
52	function maybe_wordpress_importer() {
53	if (class_exists('WP_Import')) {
54	remove_action('admin_init', 'wordpress_importer_init');
55	add_action('admin_init', array(&$this, 'wordpress_importer_init'));
56	}
57	}
58
59	/*
60	* WordPress Importer
61	* loads our child class PLL_WP_Import instead of WP_Import
62	*
63	* @since 1.2
64	*/
65	function wordpress_importer_init() {
66	$class = new ReflectionClass('WP_Import');
67	load_plugin_textdomain( 'wordpress-importer', false, basename(dirname( $class->getFileName() )) . '/languages' );
68
69	$GLOBALS['wp_import'] = new PLL_WP_Import();
70	register_importer( 'wordpress', 'WordPress', __('Import <strong>posts, pages, comments, custom fields, categories, and tags</strong> from a WordPress export file.', 'wordpress-importer'), array( $GLOBALS['wp_import'], 'dispatch' ) );
71	}
72
73	/*
74	* WordPress SEO by Yoast
75	* reloads options once the language has been defined to enable translations
76	* useful only when the language is set from content
77	*
78	* @since 1.2
79	*/
80	public function wpseo_translate_options() {
81	if (defined('WPSEO_VERSION') && !PLL_ADMIN && did_action('wp_loaded')) {
82	global $wpseo_front;
83	$options = version_compare(WPSEO_VERSION, '1.5', '<') ? get_wpseo_options_arr() : WPSEO_Options::get_option_names();
84	foreach ( $options as $opt )
85	$wpseo_front->options = array_merge( $wpseo_front->options, (array) get_option( $opt ) );
86	}
87	}
88
89	/*
90	* WordPress SEO by Yoast
91	* removes the language filter for the taxonomy sitemaps
92	*
93	* @since 1.0.3
94	*
95	* @param array $args get_terms arguments
96	* @return array modified list of arguments
97	*/
98	public function wpseo_remove_terms_filter($args) {
99	if (defined('WPSEO_VERSION') && isset($GLOBALS['wp_query']->query['sitemap']))
100	$args['lang'] = 0;
101	return $args;
102	}
103
104	/*
105	* Custom field template does check $_REQUEST['post'] to populate the custom fields values
106	*
107	* @since 1.0.2
108	*
109	* @param string $post_type unused
110	* @param object $post current post object
111	*/
112	public function cft_copy($post_type, $post) {
113	global $custom_field_template;
114	if (isset($custom_field_template, $_REQUEST['from_post'], $_REQUEST['new_lang']) && !empty($post))
115	$_REQUEST['post'] = $post->ID;
116	}
117
118	/*
119	* rewrites the function Featured_Content::get_featured_post_ids()
120	*
121	* @since 1.4
122	*
123	* @param array $ids featured posts ids
124	* @return array modified featured posts ids (include all languages)
125	*/
126	public function twenty_fourteen_featured_content_ids($featured_ids) {
127	if (false !== $featured_ids)
128	return $featured_ids;
129
130	$settings = Featured_Content::get_setting();
131
132	if (!$term = get_term_by( 'name', $settings['tag-name'], 'post_tag' ))
133	return $featured_ids;
134
135	// get featured tag translations
136	$tags = $GLOBALS['polylang']->model->get_translations('term' ,$term->term_id);
137	$ids = array();
138
139	// Query for featured posts in all languages
140	// one query per language to get the correct number of posts per language
141	foreach ($tags as $tag) {
142	$_ids = get_posts(array(
143	'lang' => 0, // avoid language filters
144	'fields' => 'ids',
145	'numberposts' => Featured_Content::$max_posts,
146	'tax_query' => array(array(
147	'taxonomy' => 'post_tag',
148	'terms' => (int) $tag,
149	)),
150	));
151
152	$ids = array_merge($ids, $_ids);
153	}
154
155	$ids = array_map( 'absint', $ids );
156	set_transient( 'featured_content_ids', $ids );
157
158	return $ids;
159	}
160
161	/*
162	* translates the featured tag id in featured content settings
163	* mainly to allow hiding it when requested in featured content options
164	* acts only on frontend
165	*
166	* @since 1.4
167	*
168	* @param array $settings featured content settings
169	* @return array modified $settings
170	*/
171	public function twenty_fourteen_option_featured_content($settings) {
172	if ($settings['tag-id'] && $tr = pll_get_term($settings['tag-id']))
173	$settings['tag-id'] = $tr;
174
175	return $settings;
176	}
177
178	/*
179	* adapted from the same function in jetpack-3.0.2/3rd-party/wpml.php
180	*
181	* @since 1.5.4
182	*/
183	public function jetpack_widget_get_top_posts( $posts, $post_ids, $count ) {
184	foreach ( $posts as $k => $post ) {
185	if (pll_current_language() !== pll_get_post_language($post['post_id']))
186	unset( $posts[ $k ] );
187	}
188
189	return $posts;
190	}
191
192	/*
193	* adapted from the same function in jetpack-3.0.2/3rd-party/wpml.php
194	* keeps using 'icl_translate' as the function registers the string
195	*
196	* @since 1.5.4
197	*/
198	public function grunion_contact_form_field_html_filter( $r, $field_label, $id ){
199	if ( function_exists( 'icl_translate' ) ) {
200	if ( pll_current_language() !== pll_default_language() ) {
201	$label_translation = icl_translate( 'jetpack ', $field_label . '_label', $field_label );
202	$r = str_replace( $field_label, $label_translation, $r );
203	}
204	}
205
206	return $r;
207	}
208	}
209