polylang / include / plugins-compat.php

plugins-compat.php in Polylang 1.4.4, 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	add_action('widgets_init', array(&$this, 'twenty_fourteen_widgets_init'), 20);
42	}
43
44	/*
45	* WordPress Importer
46	* if WordPress Importer is active, replace the wordpress_importer_init function
47	*
48	* @since 1.2
49	*/
50	function maybe_wordpress_importer() {
51	if (class_exists('WP_Import')) {
52	remove_action('admin_init', 'wordpress_importer_init');
53	add_action('admin_init', array(&$this, 'wordpress_importer_init'));
54	}
55	}
56
57	/*
58	* WordPress Importer
59	* loads our child class PLL_WP_Import instead of WP_Import
60	*
61	* @since 1.2
62	*/
63	function wordpress_importer_init() {
64	$class = new ReflectionClass('WP_Import');
65	load_plugin_textdomain( 'wordpress-importer', false, basename(dirname( $class->getFileName() )) . '/languages' );
66
67	$GLOBALS['wp_import'] = new PLL_WP_Import();
68	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' ) );
69	}
70
71	/*
72	* WordPress SEO by Yoast
73	* reloads options once the language has been defined to enable translations
74	* useful only when the language is set from content
75	*
76	* @since 1.2
77	*/
78	public function wpseo_translate_options() {
79	if (defined('WPSEO_VERSION') && !PLL_ADMIN && did_action('wp_loaded')) {
80	global $wpseo_front;
81	foreach ( get_wpseo_options_arr() as $opt )
82	$wpseo_front->options = array_merge( $wpseo_front->options, (array) get_option( $opt ) );
83	}
84	}
85
86	/*
87	* WordPress SEO by Yoast
88	* removes the language filter for the taxonomy sitemaps
89	*
90	* @since 1.0.3
91	*
92	* @param array $args get_terms arguments
93	* @return array modified list of arguments
94	*/
95	public function wpseo_remove_terms_filter($args) {
96	if (defined('WPSEO_VERSION') && isset($GLOBALS['wp_query']->query['sitemap']))
97	$args['lang'] = 0;
98	return $args;
99	}
100
101	/*
102	* Custom field template does check $_REQUEST['post'] to populate the custom fields values
103	*
104	* @since 1.0.2
105	*
106	* @param string $post_type unused
107	* @param object $post current post object
108	*/
109	public function cft_copy($post_type, $post) {
110	global $custom_field_template;
111	if (isset($custom_field_template, $_REQUEST['from_post'], $_REQUEST['new_lang']) && !empty($post))
112	$_REQUEST['post'] = $post->ID;
113	}
114
115	/*
116	* rewrites the function Featured_Content::get_featured_post_ids()
117	*
118	* @since 1.4
119	*
120	* @param array $ids featured posts ids
121	* @return array modified featured posts ids (include all languages)
122	*/
123	public function twenty_fourteen_featured_content_ids($featured_ids) {
124	if (false !== $featured_ids)
125	return $featured_ids;
126
127	$settings = Featured_Content::get_setting();
128
129	if (!$term = get_term_by( 'name', $settings['tag-name'], 'post_tag' ))
130	return $featured_ids;
131
132	// get fearured tag translations
133	$tags = $GLOBALS['polylang']->model->get_translations('term' ,$term->term_id);
134	$ids = array();
135
136	// Query for featured posts in all languages
137	// one query per language to get the correct number of posts per language
138	foreach ($tags as $tag) {
139	$_ids = get_posts(array(
140	'lang' => 0, // avoid language filters
141	'fields' => 'ids',
142	'numberposts' => $settings['quantity'],
143	'tax_query' => array(array(
144	'taxonomy' => 'post_tag',
145	'terms' => (int) $tag,
146	)),
147	));
148
149	$ids = array_merge($ids, $_ids);
150	}
151
152	$ids = array_map( 'absint', $ids );
153	set_transient( 'featured_content_ids', $ids );
154
155	return $ids;
156	}
157
158	/*
159	* translates the featured tag id in featured content settings
160	* mainly to allow hiding it when requested in featured content options
161	* acts only on frontend
162	*
163	* @since 1.4
164	*
165	* @param array $settings featured content settings
166	* @return array modified $settings
167	*/
168	public function twenty_fourteen_option_featured_content($settings) {
169	if ($settings['tag-id'] && $tr = pll_get_term($settings['tag-id']))
170	$settings['tag-id'] = $tr;
171
172	return $settings;
173	}
174
175	/*
176	* overwrites the Twenty Fourteen Ephemera widget to allow translating strings when setting the language by content
177	*
178	* @since 1.4.1
179	*/
180	public function twenty_fourteen_widgets_init() {
181	// overwrites the Twenty Fourteen Ephemera widget to allow translating strings when setting the language by content
182	// FIXME should be removed when WP >= 3.9 See http://core.trac.wordpress.org/ticket/27069
183	if (class_exists('Twenty_Fourteen_Ephemera_Widget')) {
184	unregister_widget('Twenty_Fourteen_Ephemera_Widget');
185	register_widget('PLL_Widget_Twenty_Fourteen_Ephemera');
186	}
187	}
188	}
189