function uls_register_sidebar_laguages()
{
global $wp_registered_sidebars;
$languages = uls_get_available_languages();
// get the all languages available in the wp
$options = get_option('uls_settings');
// delete language that is actually in the side, from available languages
$lang_code = uls_get_site_language();
foreach ($languages as $lang_name) {
if (($lang_name = array_search($lang_code, $languages)) !== false) {
unset($languages[$lang_name]);
}
}
// create the N_sidebar X available_languages, but fir ask if the enable checkbox is true
if (!isset($options['enable_translation_sidebars_language_switch']) || $options['enable_translation_sidebars_language_switch']) {
if (function_exists('register_sidebar')) {
$temporal_sidebars = $wp_registered_sidebars;
foreach ($temporal_sidebars as $sidebar => $items) {
foreach ($languages as $lang_name => $lang_code) {
register_sidebar(array('name' => $items['name'] . ' / ' . $lang_name, 'id' => strtolower("uls_" . $items['id'] . '_' . $lang_code), 'description' => __($items['description'] . ' / ' . $lang_name, 'user-language-switch'), 'before_widget' => $items['before_widget'], 'after_widget' => $items['after_widget'], 'before_title' => $items['before_title'], 'after_title' => $items['after_title']));
}
}
}
}
}
/**
* Add queries to filter posts by languages. If a post doesn't have language.
*
* @param $query object WordPress query object where language query will be added.
*/
function uls_add_language_meta_query(&$query)
{
//set permalink convertion to true, to get real URLs
global $uls_permalink_convertion;
$uls_permalink_convertion = true;
//get language displayed
$language_displayed = uls_get_user_language();
//get the default language of the website
$default_website_language = uls_get_site_language();
//if the language displayed is the same to the default language, then it includes posts without language
$language_query = null;
if ($language_displayed == $default_website_language) {
//build query for languages
$language_query = array('relation' => 'OR', array('key' => 'uls_language', 'value' => 'bug #23268', 'compare' => 'NOT EXISTS'), array('key' => 'uls_language', 'value' => $language_displayed, 'compare' => '='));
} else {
$language_query = array(array('key' => 'uls_language', 'value' => $language_displayed, 'compare' => '='));
}
//get current meta query
$meta_query = $query->get('meta_query');
//add language query to the meta query
if (empty($meta_query)) {
$meta_query = $language_query;
} else {
$meta_query = array('relation' => 'AND', $language_query, $meta_query);
}
//set the new meta query
$query->set('meta_query', $meta_query);
//reset flag
$uls_permalink_convertion = false;
}
/**
* This function creates a set of links with available languages.
*
* @param $url string base URL to convert.
* @param $url_type string type of language flag to add in the URL (query_var, prefix, subdomain)
* @param $type string type of links to generate (links, select) (TO-DO: select isn't available yet.)
* @param $only_lang_name if it is true, then the links don't contain the country name.
* @param $class string additional CSS class to add in the div of links generated.
*
* @return string returns the HTML code with links to translated versions.
*/
function uls_language_link_switch($url = null, $url_type = 'prefix', $type = 'links', $only_lang_name = true, $class = null)
{
//if URL is null, then it uses the current URL
if (null == $url) {
$url = isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on" ? "https://" : "http://";
$url .= $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"];
}
//get the available languages
$available_languages = uls_get_available_languages();
$class = null == $class ? 'uls-language-link-switch' : 'uls-language-link-switch ' . $class;
//get the current language
$current_language = uls_get_user_language();
if ('' == $current_language) {
$current_language = uls_get_site_language();
}
//set conversion of permalinks to false
global $uls_permalink_convertion;
$uls_permalink_convertion = false;
ob_start();
?>
<div class="<?php
echo $class;
?>
">
<?php
include 'uls-languages.php';
foreach ($available_languages as $code) {
if (isset($country_languages[$code])) {
if ($only_lang_name) {
$label = substr($country_languages[$code], 0, strpos($country_languages[$code], ' '));
} else {
$label = $country_languages[$code];
}
} else {
$label = $code;
}
$displayed = false;
if ($code == $current_language) {
$displayed = true;
?>
<span class="<?php
echo 'selected-language';
?>
"><?php
echo __($label, 'user-language-switch');
?>
</span>
<?php
} else {
//$current_post_id = empty($post->ID) ? url_to_postid($url) : $post->ID;
$current_post_id = url_to_postid($url);
if (0 == $current_post_id && !is_home()) {
wp_reset_query();
the_post();
$current_post_id = get_the_ID();
}
//if the current page has a post related
if (0 != $current_post_id) {
$translation_id = uls_get_post_translation_id($current_post_id, $code);
if (false !== $translation_id) {
$displayed = true;
?>
<a href="<?php
echo uls_get_url_translated(get_permalink($translation_id), $code);
?>
"><?php
echo __($label, 'user-language-switch');
?>
</a>
<?php
}
//translation url
?>
<?php
}
//current_post_id
?>
<?php
}
//if the translation isn't displayed yet
if (!$displayed) {
//get the translation based on the URL
$translation_url = uls_get_url_map_translation($url);
if (false !== $translation_url) {
?>
<a href="<?php
echo uls_get_url_translated($translation_url, $code);
?>
"><?php
echo __($label, 'user-language-switch');
?>
</a>
<?php
} else {
?>
<a href="<?php
echo uls_get_url_translated($url, $code);
?>
"><?php
echo __($label, 'user-language-switch');
?>
</a>
<?php
}
?>
<?php
}
//displayed
?>
<?php
}
?>
</div>
<?php
$res = ob_get_contents();
ob_end_clean();
//set conversion of permalinks to true again
$uls_permalink_convertion = true;
return $res;
}
/**
* This function add the language flag in the url.
*/
function uls_get_url_translated($url, $language, $type = 'prefix', $remove_default_language = true)
{
//if URL will omit default language
if ($remove_default_language) {
//if language is the same for the user
if (function_exists('is_user_logged_in') && is_user_logged_in() && $language == uls_get_user_saved_language()) {
$language = '';
} elseif (function_exists('is_user_logged_in') && !is_user_logged_in() && $language == uls_get_site_language()) {
$language = '';
}
}
//add language to the url
switch ($type) {
case 'query_var':
$parts = parse_url($url);
if (empty($parts['query'])) {
if (!empty($language)) {
$parts['query'] = 'lang=' . $language;
}
$url = $parts['scheme'] . '://' . $parts['host'] . (empty($parts['port']) ? '' : ':' . $parts['port']) . (empty($parts['path']) ? '' : $parts['path']) . (empty($parts['query']) ? '' : '?' . $parts['query']) . (empty($parts['fragment']) ? '' : '#' . $parts['fragment']);
return $url;
}
$query_parts = explode('&', $parts['query']);
$new_query_parts = array();
foreach ($query_parts as $var) {
$var_value = explode('=', $var);
if ($var_value[0] == 'lang') {
if (!empty($language)) {
$new_query_parts[] = 'lang=' . $language;
}
} else {
$new_query_parts[] = $var;
}
}
$parts['query'] = implode('&', $new_query_parts);
$url = $parts['scheme'] . '://' . $parts['host'] . (empty($parts['port']) ? '' : ':' . $parts['port']) . (empty($parts['path']) ? '' : $parts['path']) . (empty($parts['query']) ? '' : '?' . $parts['query']) . (empty($parts['fragment']) ? '' : '#' . $parts['fragment']);
break;
case 'subdomain':
break;
default:
$parts = parse_url($url);
$blog_parts = parse_url(get_bloginfo('url'));
if (empty($parts['path']) && !empty($language)) {
$parts['path'] = '/' . $language . '/';
} else {
//split path to detect if it contains a language flag already
if (empty($blog_parts['path'])) {
$path_parts = explode('/', $parts['path']);
$available_languages = uls_get_available_languages();
if (!empty($path_parts) && in_array($path_parts[1], $available_languages)) {
unset($path_parts[1]);
$parts['path'] = implode('/', $path_parts);
}
if (!empty($language)) {
$parts['path'] = '/' . $language . $parts['path'];
}
} else {
$path_parts = explode('/', str_replace($blog_parts['path'], '', $parts['path']));
$available_languages = uls_get_available_languages();
if (!empty($path_parts) && count($path_parts) > 1 && in_array($path_parts[1], $available_languages)) {
unset($path_parts[1]);
}
if (empty($language)) {
$parts['path'] = $blog_parts['path'] . implode('/', $path_parts);
} else {
$parts['path'] = $blog_parts['path'] . '/' . $language . implode('/', $path_parts);
}
}
}
$url = $parts['scheme'] . '://' . $parts['host'] . (empty($parts['port']) ? '' : ':' . $parts['port']) . (empty($parts['path']) ? '' : $parts['path']) . (empty($parts['query']) ? '' : '?' . $parts['query']) . (empty($parts['fragment']) ? '' : '#' . $parts['fragment']);
break;
}
//echo "final: $url<br/>";
return $url;
}
