Current File : /home/dopla/www/wp-content/plugins/polylang/include/translated-post.php
<?php
/**
* Setups the posts languages and translations model
*
* @since 1.8
*/
class PLL_Translated_Post extends PLL_Translated_Object {
/**
* Constructor
*
* @since 1.8
*
* @param object $model
*/
public function __construct( &$model ) {
// init properties
$this->object_type = null;
$this->tax_language = 'language';
$this->tax_translations = 'post_translations';
$this->tax_tt = 'term_taxonomy_id';
parent::__construct( $model );
// registers completely the language taxonomy
add_action( 'setup_theme', array( $this, 'register_taxonomy' ), 1 );
// setups post types to translate
add_action( 'registered_post_type', array( $this, 'registered_post_type' ) );
// forces updating posts cache
add_action( 'pre_get_posts', array( $this, 'pre_get_posts' ) );
}
/**
* Store the post language in the database
*
* @since 0.6
*
* @param int $post_id post id
* @param int|string|object $lang language ( term_id or slug or object )
*/
public function set_language( $post_id, $lang ) {
$old_lang = $this->get_language( $post_id );
$old_lang = $old_lang ? $old_lang->slug : '';
$lang = $lang ? $this->model->get_language( $lang )->slug : '';
if ( $old_lang !== $lang ) {
wp_set_post_terms( (int) $post_id, $lang, 'language' );
}
}
/**
* Returns the language of a post
*
* @since 0.1
*
* @param int $post_id post id
* @return bool|object PLL_Language object, false if no language is associated to that post
*/
public function get_language( $post_id ) {
$lang = $this->get_object_term( $post_id, 'language' );
return ( $lang ) ? $this->model->get_language( $lang ) : false;
}
/**
* Deletes a translation
*
* @since 0.5
*
* @param int $id post id
*/
public function delete_translation( $id ) {
parent::delete_translation( $id );
wp_set_object_terms( $id, null, $this->tax_translations );
}
/**
* A join clause to add to sql queries when filtering by language is needed directly in query
*
* @since 1.2
*
* @param string $alias Alias for $wpdb->posts table
* @return string join clause
*/
public function join_clause( $alias = '' ) {
global $wpdb;
if ( empty( $alias ) ) {
$alias = $wpdb->posts;
}
return " INNER JOIN $wpdb->term_relationships AS pll_tr ON pll_tr.object_id = $alias.ID";
}
/**
* Register the language taxonomy
*
* @since 1.2
*/
public function register_taxonomy() {
register_taxonomy(
'language',
$this->model->get_translated_post_types(),
array(
'labels' => array(
'name' => __( 'Languages', 'polylang' ),
'singular_name' => __( 'Language', 'polylang' ),
'all_items' => __( 'All languages', 'polylang' ),
),
'public' => false,
'show_ui' => false, // hide the taxonomy on admin side, needed for WP 4.4.x
'show_in_nav_menus' => false, // no metabox for nav menus, needed for WP 4.4.x
'publicly_queryable' => true, // since WP 4.5
'query_var' => 'lang',
'rewrite' => $this->model->options['force_lang'] < 2, // no rewrite for domains and sub-domains
'_pll' => true, // polylang taxonomy
)
);
}
/**
* Check if registered post type must be translated
*
* @since 1.2
*
* @param string $post_type post type name
*/
public function registered_post_type( $post_type ) {
if ( $this->model->is_translated_post_type( $post_type ) ) {
register_taxonomy_for_object_type( 'language', $post_type );
register_taxonomy_for_object_type( 'post_translations', $post_type );
}
}
/**
* Forces calling 'update_object_term_cache' when querying posts or pages
* this is especially useful for nav menus with a lot of pages
* without doing this, we would have one query per page in the menu to get the page language for the permalink
*
* @since 1.8
*
* @param object $query reference to the query object
*/
public function pre_get_posts( $query ) {
if ( ! empty( $query->query['post_type'] ) && $this->model->is_translated_post_type( $query->query['post_type'] ) ) {
$query->query_vars['update_post_term_cache'] = true;
}
}
}
Mini Shell