static function select_correct_menu_language($items, $args)
{
$options = get_option('uls_settings');
$menu_name = $args->menu;
$position_menu_language = isset($options['position_menu_language']) ? $options['position_menu_language'] : array();
// if the mena arrive ask which traduction should be show up
if (!empty($args->menu)) {
foreach ($position_menu_language as $location => $array_translation) {
$key = array_search($args->menu, $array_translation);
if ($key) {
$menu_name = $array_translation[uls_get_user_language()];
if ($menu_name == $args->menu) {
return $items;
} else {
return wp_nav_menu(array('menu' => $menu_name, 'items_wrap' => '%3$s', 'container' => false, 'echo' => 0));
}
}
}
}
// if the theme_location arrive ask whitch traduction should be show up
if (!empty($args->theme_location)) {
$menu_location = $position_menu_language[$args->theme_location];
$key_menu_name = isset($menu_location[uls_get_user_language()]) ? array_search($menu_location[uls_get_user_language()], $menu_location) : '';
if ($key_menu_name != uls_get_user_language()) {
return $items;
} else {
return wp_nav_menu(array('menu' => $menu_location[uls_get_user_language()], 'items_wrap' => '%3$s', 'container' => false, 'echo' => 0));
}
}
return $items;
}
function uls_organize_widgets_sidebars($sidebars_widgets)
{
$options = get_option('uls_settings');
if (!is_admin()) {
if (!isset($options['enable_translation_sidebars_language_switch']) || $options['enable_translation_sidebars_language_switch']) {
$lang_code = strtolower('_' . uls_get_user_language());
$uls_code = 'uls_';
foreach ($sidebars_widgets as $sidebar => $widgets) {
if (substr($sidebar, 0, 3) != $uls_code) {
if (!empty($sidebars_widgets[$uls_code . $sidebar . $lang_code])) {
$uls_widgets = $sidebars_widgets[$uls_code . $sidebar . $lang_code];
$sidebars_widgets[$sidebar] = $uls_widgets;
}
}
}
}
}
return $sidebars_widgets;
}
function head_reference_translation()
{
//get the id of the current page
$url = isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on" ? "https://" : "http://";
$url .= $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"];
$post_id = url_to_postid($url);
// get all available languages
$languages = uls_get_available_languages();
$curren_code = uls_get_user_language();
// get current language
// delete the current language site
$code_value = array_search($curren_code, $languages);
unset($languages[$code_value]);
// build the url to be tranlation
$url = '';
// get url from where it's using
if (is_home()) {
$url = get_home_url();
} else {
if (is_archive() || is_search() || is_author() || is_category() || is_tag() || is_date()) {
$url = uls_get_browser_url();
}
}
// get browser url
// if exits the url so, translate this
if (!empty($url)) {
// use all available languages and get the url translation
foreach ($languages as $language => $code) {
$translation_url = uls_get_url_translated($url, $code);
echo '<link rel="alternate" hreflang="' . substr($code, 0, 2) . '" href="' . $translation_url . '" />';
}
}
// build url to the home
if (!empty($post_id) && empty($url)) {
// change the filter
global $uls_permalink_convertion;
$uls_permalink_convertion = false;
// use all available languages and get the url translation
foreach ($languages as $language => $code) {
// get the post_id translation if the current page has translation
$translation_id = uls_get_post_translation_id($post_id, $code);
if (!empty($translation_id)) {
$translation_url = uls_get_url_translated(get_permalink($translation_id), $code);
echo '<link rel="alternate" hreflang="' . substr($code, 0, 2) . '" href="' . $translation_url . '" />';
}
}
// leave the global car like it was before
$uls_permalink_convertion = true;
}
}
/**
* This function get the URL of the translation of an URL. It retrieve the URL from the mapping saved in the options page.
*
* @param $url string URL of the page to get the translation.
* @param $language string language of translation. If it is null or invalid, current language loaded in the page is used.
*
* @return string it returns the URL of the translation or false if the URL isn't contained in the mapping.
*/
function uls_get_url_map_translation($url, $language = null)
{
//get language
if (!uls_valid_language($language)) {
$language = uls_get_user_language();
}
//get the mappging
$options = get_option('uls_settings');
if (isset($options['translation_mapping'][$language][$url])) {
return $options['translation_mapping'][$language][$url];
}
return false;
}
/**
* Return the id of the translation of a post.
*
* @param $post_id integer id of post to translate.
* @param $language string language of translation. If it is null or invalid, current language loaded in the page is used.
*
* @return mixed it returns id of translation post as an integer or false if translation doesn't exist.
*/
function uls_get_post_translation_id($post_id, $language = null)
{
//get language
if (!uls_valid_language($language)) {
$language = uls_get_user_language();
}
//get the translation of the post
$post_language = uls_get_post_language($post_id);
//if the language of the post is the same language of the translation
if ($post_language == $language) {
return $post_id;
}
//get the translation
$translation = get_post_meta($post_id, 'uls_translation_' . $language, true);
if ("" == $translation) {
$translation = get_post_meta($post_id, 'uls_translation_' . strtolower($language), true);
}
return empty($translation) ? false : $translation;
}
