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<?php
/**
* ACF WPML Compatibility
*
* @package wordpress/secure-custom-fields
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
if ( ! class_exists( 'ACF_WPML_Compatibility' ) ) :
/**
* ACF WPML Compatibility
*
* This class is used to add compatibility with WPML.
*
* @date 06/23/2012
* @since ACF 3.1.8
*/
class ACF_WPML_Compatibility {
/**
* Translation ID reference mapping.
*
* @var array Storage for translation ID references
*/
public $trid_ref = array();
/**
* Sets up the class functionality.
*
* @date 23/06/12
* @since ACF 3.1.8
*
* @return void
*/
public function __construct() {
// global
global $sitepress;
// update settings
acf_update_setting( 'default_language', $sitepress->get_default_language() );
acf_update_setting( 'current_language', $sitepress->get_current_language() );
// localize data
acf_localize_data(
array(
'language' => $sitepress->get_current_language(),
)
);
// switch lang during AJAX action
add_action( 'acf/verify_ajax', array( $this, 'verify_ajax' ) );
// prevent 'acf-field' from being translated
add_filter( 'get_translatable_documents', array( $this, 'get_translatable_documents' ) );
// check if 'acf-field-group' is translatable
if ( $this->is_translatable() ) {
// actions
add_action( 'acf/upgrade_500_field_group', array( $this, 'upgrade_500_field_group' ), 10, 2 );
add_action( 'icl_make_duplicate', array( $this, 'icl_make_duplicate' ), 10, 4 );
// filters
add_filter( 'acf/settings/save_json', array( $this, 'settings_save_json' ) );
add_filter( 'acf/settings/load_json', array( $this, 'settings_load_json' ) );
}
}
/**
* Returns true if the acf-field-group post type is translatable.
* Also adds compatibility with ACF4 settings
*
* @date 10/04/2015
* @since ACF 5.2.3
*
* @return boolean
*/
public function is_translatable() {
// global
global $sitepress;
// vars
$post_types = $sitepress->get_setting( 'custom_posts_sync_option' );
// return false if no post types
if ( ! acf_is_array( $post_types ) ) {
return false;
}
// prevent 'acf-field' from being translated
if ( ! empty( $post_types['acf-field'] ) ) {
$post_types['acf-field'] = 0;
$sitepress->set_setting( 'custom_posts_sync_option', $post_types );
}
// when upgrading to version 5, review 'acf' setting
// update 'acf-field-group' if 'acf' is translatable, and 'acf-field-group' does not yet exist
if ( ! empty( $post_types['acf'] ) && ! isset( $post_types['acf-field-group'] ) ) {
$post_types['acf-field-group'] = 1;
$sitepress->set_setting( 'custom_posts_sync_option', $post_types );
}
// return true if acf-field-group is translatable
if ( ! empty( $post_types['acf-field-group'] ) ) {
return true;
}
// return
return false;
}
/**
* Update the icl_translations table data when creating the field groups.
*
* @date 10/04/2015
* @since ACF 5.2.3
*
* @param array $field_group The new field group array.
* @param object $ofg The old field group WP_Post object.
* @return void
*/
public function upgrade_500_field_group( $field_group, $ofg ) {
// global
global $wpdb;
// get translation rows (old acf4 and new acf5)
$old_row = $wpdb->get_row(
$wpdb->prepare(
"SELECT * FROM {$wpdb->prefix}icl_translations WHERE element_type=%s AND element_id=%d",
'post_acf',
$ofg->ID
),
ARRAY_A
);
$new_row = $wpdb->get_row(
$wpdb->prepare(
"SELECT * FROM {$wpdb->prefix}icl_translations WHERE element_type=%s AND element_id=%d",
'post_acf-field-group',
$field_group['ID']
),
ARRAY_A
);
// bail early if no rows
if ( ! $old_row || ! $new_row ) {
return;
}
// create reference of old trid to new trid
// trid is a simple int used to find associated objects
if ( empty( $this->trid_ref ) ) {
$this->trid_ref = array();
}
// update trid
if ( isset( $this->trid_ref[ $old_row['trid'] ] ) ) {
// this field group is a translation of another, update it's trid to match the previously inserted group
$new_row['trid'] = $this->trid_ref[ $old_row['trid'] ];
} else {
// this field group is the first of it's translations, update the reference for future groups
$this->trid_ref[ $old_row['trid'] ] = $new_row['trid'];
}
// update icl_translations
// Row is created by WPML, and much easier to tweak it here due to the very complicated and nonsensical WPML logic
$table = "{$wpdb->prefix}icl_translations";
$data = array(
'trid' => $new_row['trid'],
'language_code' => $old_row['language_code'],
);
$where = array( 'translation_id' => $new_row['translation_id'] );
$data_format = array( '%d', '%s' );
$where_format = array( '%d' );
// allow source_language_code to equal NULL
if ( $old_row['source_language_code'] ) {
$data['source_language_code'] = $old_row['source_language_code'];
$data_format[] = '%s';
}
// update wpdb
$result = $wpdb->update( $table, $data, $where, $data_format, $where_format );
}
/**
* Modifies the json path.
*
* @date 19/05/2014
* @since ACF 5.0.0
*
* @param string $path The json save path.
* @return string
*/
public function settings_save_json( $path ) {
// bail early if dir does not exist
if ( ! wp_is_writable( $path ) ) {
return $path;
}
// amend
$path = untrailingslashit( $path ) . '/' . acf_get_setting( 'current_language' );
// make dir if does not exist
if ( ! file_exists( $path ) ) {
mkdir( $path, 0777, true ); //phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_mkdir -- Allow legacy mkdir call as this may fire outside admin.
}
// return
return $path;
}
/**
* Modifies the json path.
*
* @date 19/05/2014
* @since ACF 5.0.0
*
* @param array $paths The json save path.
* @return string
*/
public function settings_load_json( $paths ) {
// loop
if ( $paths && is_array( $paths ) ) {
foreach ( $paths as $i => $path ) {
$paths[ $i ] = untrailingslashit( $path ) . '/' . acf_get_setting( 'current_language' );
}
}
// return
return $paths;
}
/**
* Duplicate the icl_translations row when duplicating a field group.
*
* @date 26/02/2014
* @since ACF 5.0.0
*
* @param int $master_post_id The original post ID.
* @param string $lang The language code.
* @param array $postarr The post data.
* @param int $id The new post ID.
*
* @return void
*/
public function icl_make_duplicate( $master_post_id, $lang, $postarr, $id ) {
// bail early if not acf-field-group
if ( 'acf-field-group' !== $postarr['post_type'] ) {
return;
}
// update the lang
acf_update_setting( 'current_language', $lang );
// duplicate field group specifying the $post_id
acf_duplicate_field_group( $master_post_id, $id );
// always translate independently to avoid many many bugs!
// - translation post gets a new key (post_name) when original post is saved
// - local json creates new files due to changed key
// phpcs:disable WordPress.NamingConventions.ValidVariableName.VariableNotSnakeCase -- Variable name is from WPML.
global $iclTranslationManagement;
$iclTranslationManagement->reset_duplicate_flag( $id );
// phpcs:enable WordPress.NamingConventions.ValidVariableName.VariableNotSnakeCase
}
/**
* Sets the correct language during AJAX requests.
*
* @type function
* @date 7/08/2015
* @since ACF 5.2.3
*
* @return void
*/
public function verify_ajax() {
// phpcs:disable WordPress.Security.NonceVerification.Recommended -- Verified elsewhere.
// set the language for this AJAX request
// this will allow get_posts to work as expected (load posts from the correct language)
if ( isset( $_REQUEST['lang'] ) ) {
global $sitepress;
$sitepress->switch_lang( sanitize_text_field( wp_unslash( $_REQUEST['lang'] ) ) );
}
// phpcs:enable WordPress.Security.NonceVerification.Recommended
}
/**
* Removes 'acf-field' from the available post types for translation.
*
* @type function
* @date 17/8/17
* @since ACF 5.6.0
*
* @param array $icl_post_types The array of post types.
* @return array
*/
public function get_translatable_documents( $icl_post_types ) {
// unset
unset( $icl_post_types['acf-field'] );
// return
return $icl_post_types;
}
}
acf_new_instance( 'ACF_WPML_Compatibility' );
endif; // class_exists check