wordpress/php-fpm/wordpress_files/plugins/polylang/include/nav-menu.php

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2020-05-22 03:40:23 +02:00
<?php
/**
* Manages custom menus translations
* Common to admin and frontend for the customizer
*
* @since 1.7.7
*/
class PLL_Nav_Menu {
public $model, $options;
/**
* Constructor: setups filters and actions
*
* @since 1.7.7
*
* @param object $polylang
*/
public function __construct( &$polylang ) {
$this->model = &$polylang->model;
$this->options = &$polylang->options;
$this->theme = get_option( 'stylesheet' );
add_filter( 'wp_setup_nav_menu_item', array( $this, 'wp_setup_nav_menu_item' ) );
// Integration with WP customizer
add_action( 'customize_register', array( $this, 'create_nav_menu_locations' ), 5 );
// Filter _wp_auto_add_pages_to_menu by language
add_action( 'transition_post_status', array( $this, 'auto_add_pages_to_menu' ), 5, 3 ); // before _wp_auto_add_pages_to_menu
}
/**
* Assigns the title and label to the language switcher menu items
*
* @since 2.6
*
* @param object $item Menu item.
* @return object
*/
public function wp_setup_nav_menu_item( $item ) {
if ( '#pll_switcher' === $item->url ) {
$item->post_title = __( 'Languages', 'polylang' );
$item->type_label = __( 'Language switcher', 'polylang' );
}
return $item;
}
/**
* Create temporary nav menu locations ( one per location and per language ) for all non-default language
* to do only one time
*
* @since 1.2
*/
public function create_nav_menu_locations() {
static $once;
global $_wp_registered_nav_menus;
$arr = array();
if ( isset( $_wp_registered_nav_menus ) && ! $once ) {
foreach ( $_wp_registered_nav_menus as $loc => $name ) {
foreach ( $this->model->get_languages_list() as $lang ) {
$arr[ $this->combine_location( $loc, $lang ) ] = $name . ' ' . $lang->name;
}
}
$_wp_registered_nav_menus = $arr;
$once = true;
}
}
/**
* Creates a temporary nav menu location from a location and a language
*
* @since 1.8
*
* @param string $loc nav menu location
* @param object $lang
* @return string
*/
public function combine_location( $loc, $lang ) {
return $loc . ( strpos( $loc, '___' ) || $this->options['default_lang'] === $lang->slug ? '' : '___' . $lang->slug );
}
/**
* Get nav menu locations and language from a temporary location
*
* @since 1.8
*
* @param string $loc temporary location
* @return array
* 'location' => nav menu location
* 'lang' => language slug
*/
public function explode_location( $loc ) {
$infos = explode( '___', $loc );
if ( 1 == count( $infos ) ) {
$infos[] = $this->options['default_lang'];
}
return array_combine( array( 'location', 'lang' ), $infos );
}
/**
* Filters the option nav_menu_options for auto added pages to menu
*
* @since 0.9.4
*
* @param array $options
* @return array Modified options
*/
public function nav_menu_options( $options ) {
$options['auto_add'] = array_intersect( $options['auto_add'], $this->auto_add_menus );
return $options;
}
/**
* Filters _wp_auto_add_pages_to_menu by language
*
* @since 0.9.4
*
* @param string $new_status Transition to this post status.
* @param string $old_status Previous post status.
* @param object $post Post data.
*/
public function auto_add_pages_to_menu( $new_status, $old_status, $post ) {
if ( 'publish' != $new_status || 'publish' == $old_status || 'page' != $post->post_type || ! empty( $post->post_parent ) ) {
return;
}
if ( ! empty( $this->options['nav_menus'][ $this->theme ] ) ) {
$this->auto_add_menus = array();
$lang = $this->model->post->get_language( $post->ID );
$lang = empty( $lang ) ? $this->options['default_lang'] : $lang->slug; // If the page has no language yet, the default language will be assigned
// Get all the menus in the page language
foreach ( $this->options['nav_menus'][ $this->theme ] as $loc ) {
if ( ! empty( $loc[ $lang ] ) ) {
$this->auto_add_menus[] = $loc[ $lang ];
}
}
add_filter( 'option_nav_menu_options', array( $this, 'nav_menu_options' ) );
}
}
}