File: /home/mciraet/www/wp-content/plugins/polylang-pro/src/modules/sync/sync-navigation.php
<?php
/**
* @package Polylang-Pro
*/
/**
* Class PLL_Sync_Navigation
*
* @since 3.2
*/
class PLL_Sync_Navigation {
/**
* @var PLL_Model
*/
private $model;
/**
*
* Reference to the PLL_Sync_Content instance.
*
* @var PLL_Sync_Content
*/
private $sync_content;
/**
* Constructor.
* Setup filters.
*
* @since 3.2
*
* @param PLL_Frontend|PLL_Admin|PLL_Settings|PLL_REST_Request $polylang Polylang object.
*/
public function __construct( &$polylang ) {
$this->model = &$polylang->model;
$this->sync_content = &$polylang->sync_content;
add_filter( 'pll_translate_blocks', array( $this, 'translate_blocks' ), 10, 2 );
add_filter( 'pll_get_post_types', array( $this, 'add_post_type' ), 10, 2 );
}
/**
* Adds the wp_navigation post type to the list of translatable post types.
*
* @since 3.2
*
* @param string[] $post_types List of post types.
* @param bool $is_settings True when displaying the list of custom post types in Polylang settings.
* @return string[]
*/
public function add_post_type( $post_types, $is_settings = false ) {
if ( $is_settings || ! is_array( $post_types ) ) {
return $post_types;
}
$post_types['wp_navigation'] = 'wp_navigation';
return $post_types;
}
/**
* Recursively translate navigation blocks.
*
* @since 3.2
* @since 3.7 `$from_language` parameter removed.
*
* @param array[] $blocks An array of block arrays.
* @param string $language Slug language of the target post.
* @return array Array of translated blocks.
*/
public function translate_blocks( $blocks, $language ) {
foreach ( $blocks as $k => $block ) {
switch ( $block['blockName'] ) {
case 'core/navigation':
if ( array_key_exists( 'ref', $blocks[ $k ]['attrs'] ) ) {
$blocks[ $k ]['attrs']['ref'] = $this->translate_navigation_block( $block['attrs']['ref'], $language );
}
if ( array_key_exists( 'overlay', $blocks[ $k ]['attrs'] ) ) {
$blocks[ $k ]['attrs']['overlay'] = $this->translate_overlay_slug( $block['attrs']['overlay'], $language );
}
break;
case 'core/navigation-link':
if ( array_key_exists( 'id', $blocks[ $k ]['attrs'] ) && array_key_exists( 'kind', $blocks[ $k ]['attrs'] ) ) {
$blocks[ $k ]['attrs'] = array_merge( $blocks[ $k ]['attrs'], $this->translate_navigation_link( $block['attrs']['id'], $block['attrs']['kind'], $language ) );
}
break;
case 'core/navigation-submenu':
// If there is attrs id and kind, the submenu top level item menu is a navigation link .
if ( array_key_exists( 'id', $blocks[ $k ]['attrs'] ) && array_key_exists( 'kind', $blocks[ $k ]['attrs'] ) ) {
$blocks[ $k ]['attrs'] = array_merge( $blocks[ $k ]['attrs'], $this->translate_navigation_link( $block['attrs']['id'], $block['attrs']['kind'], $language ) );
}
if ( ! empty( $block['innerBlocks'] ) ) {
$blocks[ $k ]['innerBlocks'] = $this->translate_blocks( $block['innerBlocks'], $language );
}
break;
}
}
return $blocks;
}
/**
* Get the navigation link id.
*
* @since 3.2
* @since 3.7 Visibility changed to private.
*
* @param int $id Navigation link id.
* @param string $kind Link type (post-type or taxonomy).
* @param string $language Slug language of the target post.
* @return array An array with the untranslated id if the navigation link post type isn't translated, or an array
* with the translated id, label and url.
*/
private function translate_navigation_link( $id, $kind, $language ) {
if ( 'post-type' === $kind ) {
$tr_post_id = $this->model->post->get( $id, $language );
if ( $tr_post_id ) {
$tr_post = get_post( $tr_post_id );
return array(
'id' => $tr_post_id,
'label' => $tr_post->post_title,
'url' => get_permalink( $tr_post_id ),
);
}
} elseif ( 'taxonomy' === $kind ) {
$tr_term_id = $this->model->term->get( $id, $language );
if ( $tr_term_id ) {
$tr_term = get_term( $tr_term_id );
return $tr_term instanceof WP_Term ? array(
'id' => $tr_term_id,
'label' => $tr_term->name,
'url' => get_category_link( $tr_term_id ),
) : array();
}
}
return array( 'id' => $id );
}
/**
* Get the navigation block translation id.
* Create the translation if it does not exist.
*
* @since 3.2
* @since 3.7 Visibility changed to private and `$from_language` parameter removed.
*
* @param int $id Navigation block id.
* @param string $language Slug language of the target post.
* @return int Id of the translated navigation block. 0 on failure.
*/
private function translate_navigation_block( $id, $language ) {
$tr_id = $this->model->post->get( $id, $language );
// If we don't have a translation, then we create it.
if ( ! $tr_id ) {
$tr_id = $this->create_navigation_block_translation( $id, $language );
}
// Check the content of the navigation block post to see if there is any block to translate.
$tr_post = get_post( $tr_id );
if ( ! $tr_post instanceof WP_Post ) {
// Something went wrong!
return $id;
}
$target_language = $this->model->get_language( $language );
if ( ! $target_language instanceof PLL_Language ) {
// Something went wrong!
return $tr_id;
}
$tr_content = $this->sync_content->translate_content( $tr_post->post_content, $tr_post, $target_language );
if ( $tr_content !== $tr_post->post_content ) {
$tr_post->post_content = $tr_content;
wp_update_post( $tr_post );
}
return $tr_id;
}
/**
* Creates a navigation block translation.
*
* @since 3.2
* @since 3.7 Visibility changed to private and `$from_language` parameter removed.
*
* @param int $id The source navigation block ID.
* @param string $lang New translation language slug.
* @return int ID of the translated navigation block. 0 on failure.
*/
private function create_navigation_block_translation( $id, $lang ) {
$tr_post = get_post( $id );
if ( empty( $tr_post ) ) {
return $id;
}
$tr_post->ID = 0;
$tr_id = wp_insert_post( wp_slash( $tr_post->to_array() ) );
$this->model->post->set_language( $tr_id, $lang );
$translations = $this->model->post->get_translations( $id );
$translations[ $lang ] = $tr_id;
$this->model->post->save_translations( $id, $translations );
return $tr_id;
}
/**
* Translates an overlay slug for a navigation block's overlay attribute.
*
* @since 3.8
*
* @param string $overlay_slug The overlay slug.
* @param string $language Slug language of the target post.
* @return string The translated overlay slug or original if translation doesn't exist.
*/
private function translate_overlay_slug( $overlay_slug, $language ) {
if ( empty( $overlay_slug ) ) {
return $overlay_slug;
}
$language = $this->model->get_language( $language );
if ( ! $language ) {
return $overlay_slug;
}
$template = PLL_FSE_Tools::query_template_post(
$overlay_slug,
get_stylesheet(),
'wp_template_part',
$language
);
return $template ? $template->post_name : $overlay_slug;
}
}