/**
* Set the current language: if not found in the URL or REFERER, then keep the default
* @since 1.1.1
*/
public function init_current_language()
{
/**
* Keep the default language if any of the code before does not detect another one.
*/
$this->language = $this->default_language;
/**
* Theoretically, we might not have any URL to get the language info from.
*/
$url_to_check = '';
if (WPGlobus_WP::is_doing_ajax()) {
/**
* If DOING_AJAX, we cannot retrieve the language information from the URL,
* because it's always `admin-ajax`.
* Therefore, we'll rely on the HTTP_REFERER (if it exists).
*/
if (!empty($_SERVER['HTTP_REFERER'])) {
$url_to_check = $_SERVER['HTTP_REFERER'];
}
} else {
/**
* If not AJAX and not ADMIN then we are at the front. Will use the current URL.
*/
if (!is_admin()) {
$url_to_check = WPGlobus_Utils::current_url();
}
}
/**
* If we have an URL, extract language from it.
* If extracted, set it as a current.
*/
if ($url_to_check) {
$language_from_url = WPGlobus_Utils::extract_language_from_url($url_to_check);
if ($language_from_url) {
$this->language = $language_from_url;
}
}
}
/**
* @since 1.2.3
* @param string $language
* @param WPGlobus_Config $config Alternative configuration (i.e. Unit Test mock object)
* @return string
*/
public static function localize_current_url($language = '', WPGlobus_Config $config = null)
{
$url = apply_filters('wpglobus_pre_localize_current_url', '', $language);
if (!$url) {
/**
* Use the global configuration is alternative not passed
*/
if (null === $config) {
// @codeCoverageIgnoreStart
$config = WPGlobus::Config();
}
// @codeCoverageIgnoreEnd
$url = WPGlobus_Utils::localize_url(WPGlobus_Utils::current_url(), $language, $config);
}
return $url;
}
/**
* Add language switcher to navigation menu
*
* @param array $sorted_menu_items
* @param stdClass $args An object containing wp_nav_menu() arguments.
*
* @return array
* @see wp_nav_menu()
*/
public function on_add_item($sorted_menu_items, $args)
{
if (empty(WPGlobus::Config()->nav_menu)) {
/**
* User can use WPGlobus widget
* @since 1.0.7
*/
$disable_add_selector = true;
} elseif ('all' === WPGlobus::Config()->nav_menu) {
/**
* Attach to every nav menu
* @since 1.0.7
*/
$disable_add_selector = false;
} else {
$items = array();
foreach ($sorted_menu_items as $item) {
$items[] = $item->ID;
}
$disable_add_selector = true;
foreach ($this->menus as $key => $menu) {
$diff = array_diff($items, $menu->menu_items);
if (empty($diff) && WPGlobus::Config()->nav_menu === $menu->slug) {
$disable_add_selector = false;
break;
}
}
}
/**
* Filter to add or not language selector to the menu.
* Returning boolean.
* @since 1.5.8
*
* @param bool $disable_add_selector Disable or not to add language selector to the menu.
* @param stdClass $args An object containing wp_nav_menu() arguments.
*/
$disable_add_selector = apply_filters('wpglobus_menu_add_selector', $disable_add_selector, $args);
if ($disable_add_selector) {
return $sorted_menu_items;
}
/**
* List of all languages, except the main one.
*
* @var string[] $extra_languages
*/
$extra_languages = array();
foreach (WPGlobus::Config()->enabled_languages as $languages) {
if ($languages !== WPGlobus::Config()->language) {
$extra_languages[] = $languages;
}
}
/**
* Filter extra languages.
* Returning array.
* @since 1.0.13
*
* @param array $extra_languages An array of languages to show in the menu.
* @param string WPGlobus::Config()->language The current language.
*/
$extra_languages = apply_filters('wpglobus_extra_languages', $extra_languages, WPGlobus::Config()->language);
// Main menu item classes.
$menu_item_classes = array('', 'menu-item', 'menu-item-type-custom', 'menu-item-object-custom', 'menu_item_wpglobus_menu_switch', 'wpglobus-selector-link');
// Submenu item classes.
$submenu_item_classes = array('', 'menu-item', 'menu-item-type-custom', 'menu-item-object-custom', 'sub_menu_item_wpglobus_menu_switch', 'wpglobus-selector-link');
if (apply_filters('wpglobus_dropdown_menu', true, WPGlobus::Config())) {
$parent_item_ID = 9999999999;
# 9 999 999 999
} else {
$parent_item_ID = 0;
}
$span_classes_lang = $this->_get_language_classes(WPGlobus::Config()->language);
$current_url = WPGlobus_Utils::current_url();
$item = new stdClass();
$item->ID = 0 === $parent_item_ID ? 'wpglobus_menu_switch_' . WPGlobus::Config()->language : $parent_item_ID;
$item->db_id = $item->ID;
$item->object_id = $item->ID;
$item->object = 'custom';
$item->menu_item_parent = 0;
$item->title = '<span class="' . implode(' ', $span_classes_lang) . '">' . $this->_get_flag_name(WPGlobus::Config()->language) . '</span>';
// The top menu level points to the current URL. Useless? Maybe good for refresh.
$item->url = $current_url;
$item->classes = $menu_item_classes;
$item->classes[] = 'wpglobus-current-language';
$item->description = '';
$item->language = WPGlobus::Config()->language;
$wpglobus_menu_items[] = new WP_Post($item);
foreach ($extra_languages as $language) {
$span_classes_lang = $this->_get_language_classes($language);
$item = new stdClass();
$item->ID = 'wpglobus_menu_switch_' . $language;
$item->db_id = $item->ID;
$item->object_id = $item->ID;
$item->object = 'custom';
$item->menu_item_parent = $parent_item_ID;
$item->title = '<span class="' . implode(' ', $span_classes_lang) . '">' . $this->_get_flag_name($language) . '</span>';
// This points to the URL localized for the selected language.
$item->url = WPGlobus_Utils::localize_current_url($language);
$item->classes = 0 === $parent_item_ID ? $menu_item_classes : $submenu_item_classes;
$item->description = '';
$item->language = $language;
$wpglobus_menu_items[] = new WP_Post($item);
}
$languages = $extra_languages;
array_unshift($languages, WPGlobus::Config()->language);
return array_merge($sorted_menu_items, apply_filters('wpglobus_menu_items', $wpglobus_menu_items, $languages));
}
/**
* "Stub" test for coverage.
*
* @covers WPGlobus_Utils::current_url
*/
public static function test_current_url()
{
$_SERVER['HTTP_HOST'] = 'www.example.com';
$_SERVER['REQUEST_URI'] = '/folder/file?var=value';
self::assertEquals('http://www.example.com/folder/file?var=value', WPGlobus_Utils::current_url());
}
/**
* Add language switcher to navigation menu
*
* @param array $sorted_menu_items
* @param object $args An object containing wp_nav_menu() arguments.
*
* @return array
* @see wp_nav_menu()
*/
function on_add_item($sorted_menu_items, $args)
{
if (empty(WPGlobus::Config()->nav_menu)) {
/**
* User can use WPGlobus widget
* @since 1.0.7
*/
return $sorted_menu_items;
} elseif ('all' == WPGlobus::Config()->nav_menu) {
/**
* Attach to every nav menu
* @since 1.0.7
*/
} else {
$items = array();
foreach ($sorted_menu_items as $item) {
$items[] = $item->ID;
}
$return = true;
foreach ($this->menus as $key => $menu) {
$diff = array_diff($items, $menu->menu_items);
if (empty($diff) && WPGlobus::Config()->nav_menu === $menu->slug) {
$return = false;
break;
}
}
if ($return) {
return $sorted_menu_items;
}
}
$extra_languages = array();
foreach (WPGlobus::Config()->enabled_languages as $languages) {
if ($languages != WPGlobus::Config()->language) {
$extra_languages[] = $languages;
}
}
/**
* Filter extra languages.
* Returning array.
* @since 1.0.13
*
* @param array $extra_languages An array with languages to show off in menu.
* @param string WPGlobus::Config()->language The current language.
*/
$extra_languages = apply_filters('wpglobus_extra_languages', $extra_languages, WPGlobus::Config()->language);
/** main menu item classes */
$menu_item_classes = array('', 'menu-item', 'menu_item_wpglobus_menu_switch', 'wpglobus-selector-link');
/** submenu item classes */
$submenu_item_classes = array('', 'sub_menu_item_wpglobus_menu_switch', 'wpglobus-selector-link');
if (apply_filters('wpglobus_dropdown_menu', true, WPGlobus::Config())) {
$parent_item_ID = 9999999999;
# 9 999 999 999
} else {
$parent_item_ID = 0;
}
$span_classes_lang = $this->_get_language_classes(WPGlobus::Config()->language);
$current_url = WPGlobus_Utils::current_url();
$item = new stdClass();
$item->ID = $parent_item_ID == 0 ? 'wpglobus_menu_switch_' . WPGlobus::Config()->language : $parent_item_ID;
$item->db_id = $parent_item_ID == 0 ? 'wpglobus_menu_switch_' . WPGlobus::Config()->language : $parent_item_ID;
$item->menu_item_parent = 0;
$item->title = '<span class="' . implode(' ', $span_classes_lang) . '">' . $this->_get_flag_name(WPGlobus::Config()->language) . '</span>';
// The top menu level points to the current URL. Useless? Maybe good for refresh.
$item->url = $current_url;
$item->classes = $menu_item_classes;
$item->classes[] = 'wpglobus-current-language';
$item->description = '';
$item->language = WPGlobus::Config()->language;
$wpglobus_menu_items[] = $item;
foreach ($extra_languages as $language) {
$span_classes_lang = $this->_get_language_classes($language);
$item = new stdClass();
$item->ID = 'wpglobus_menu_switch_' . $language;
$item->db_id = 'wpglobus_menu_switch_' . $language;
$item->menu_item_parent = $parent_item_ID;
$item->title = '<span class="' . implode(' ', $span_classes_lang) . '">' . $this->_get_flag_name($language) . '</span>';
// This points to the URL localized for the selected language
// $item->url = WPGlobus_Utils::localize_url( $current_url, $language );
$item->url = WPGlobus_Utils::localize_current_url($language);
$item->classes = $parent_item_ID == 0 ? $menu_item_classes : $submenu_item_classes;
$item->description = '';
$item->language = $language;
$wpglobus_menu_items[] = $item;
}
$languages = $extra_languages;
array_unshift($languages, WPGlobus::Config()->language);
return array_merge($sorted_menu_items, apply_filters('wpglobus_menu_items', $wpglobus_menu_items, $languages));
}
