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<?php
/**
* The WPML compatibility module, allowing all fields are translatable by WPML plugin.
*
* @package Meta Box
*/
/**
* WPML compatibility class
*/
class RWMB_WPML {
/**
* List of fields that need to translate values (because they're saved as IDs).
*
* @var array
*/
protected $field_types = array( 'post', 'taxonomy_advanced' );
/**
* Initialize.
*/
public function init() {
/**
* Run before meta boxes are registered so it can modify fields.
*
* @see modify_field()
*/
add_action( 'init', array( $this, 'register_hooks' ), 9 );
}
/**
* Register hooks.
*/
public function register_hooks() {
if ( ! defined( 'ICL_SITEPRESS_VERSION' ) ) {
return;
}
add_filter( 'wpml_duplicate_generic_string', array( $this, 'translate_ids' ), 10, 3 );
add_filter( 'rwmb_normalize_field', array( $this, 'modify_field' ) );
}
/**
* Translating IDs stored as field values upon WPML post/page duplication.
*
* @param mixed $value Meta value.
* @param string $target_language Target language.
* @param array $meta_data Meta arguments.
* @return mixed
*/
public function translate_ids( $value, $target_language, $meta_data ) {
if ( 'custom_field' !== $meta_data['context'] ) {
return $value;
}
$field = rwmb_get_registry( 'field' )->get( $meta_data['key'], get_post_type( $meta_data['master_post_id'] ) );
if ( false === $field || ! in_array( $field['type'], $this->field_types, true ) ) {
return $value;
}
// Object type needed for WPML filter differs between fields.
$object_type = 'taxonomy_advanced' === $field['type'] ? $field['taxonomy'] : $field['post_type'];
// Translating values, whether are stored as comma separated strings or not.
if ( false === strpos( $value, ',' ) ) {
$value = apply_filters( 'wpml_object_id', $value, $object_type, true, $target_language );
return $value;
}
// Dealing with IDs stored as comma separated strings.
$translated_values = array();
$values = explode( ',', $value );
foreach ( $values as $v ) {
$translated_values[] = apply_filters( 'wpml_object_id', $v, $object_type, true, $target_language );
}
$value = implode( ',', $translated_values );
return $value;
}
/**
* Modified field depends on its translation status.
* If the post is a translated version of another post and the field is set to:
* - Do not translate: hide the field.
* - Copy: make it disabled so users cannot edit.
* - Translate: do nothing.
*
* @param array $field Field parameters.
*
* @return mixed
*/
public function modify_field( $field ) {
global $wpml_post_translations;
if ( empty( $field['id'] ) ) {
return $field;
}
// Get post ID.
$post_id = filter_input( INPUT_GET, 'post', FILTER_SANITIZE_NUMBER_INT );
if ( ! $post_id ) {
$post_id = filter_input( INPUT_POST, 'post_ID', FILTER_SANITIZE_NUMBER_INT );
}
// If the post is the original one: do nothing.
if ( ! $wpml_post_translations->get_source_lang_code( $post_id ) ) {
return $field;
}
// Get setting for the custom field translation.
$custom_fields_translation = apply_filters( 'wpml_sub_setting', false, 'translation-management', 'custom_fields_translation' );
if ( ! isset( $custom_fields_translation[ $field['id'] ] ) ) {
return $field;
}
$setting = intval( $custom_fields_translation[ $field['id'] ] );
if ( 0 === $setting ) { // Do not translate: hide it.
$field['class'] .= ' hidden';
} elseif ( 1 === $setting ) { // Copy: disable editing.
$field['disabled'] = true;
}
return $field;
}
}
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