/**
* Echo the widget content
*
* @param array $args Display arguments including before_title, after_title, before_widget, and after_widget.
* @param array $instance The settings for the particular instance of the widget
*/
public function widget($args, $instance)
{
if (!empty($instance['type'])) {
$type = $instance['type'];
} else {
$type = 'flags';
}
$inside = '';
$enabled_languages = WPGlobus::Config()->enabled_languages;
switch ($type) {
case 'list':
$code = '<div class="list">{{inside}}</div>';
break;
case 'list_with_flags':
$code = '<div class="list flags">{{inside}}</div>';
break;
case 'select':
case 'select_with_code':
$code = '<div class="select-styled"><select onchange="document.location.href = this.value;">{{inside}}</select></div>';
break;
case 'dropdown':
case 'dropdown_with_flags':
$sorted[] = WPGlobus::Config()->language;
foreach ($enabled_languages as $language) {
if ($language != WPGlobus::Config()->language) {
$sorted[] = $language;
}
}
$enabled_languages = $sorted;
$code = '<div class="dropdown-styled"> <ul>
<li>
{{language}}
<ul>
{{inside}}
</ul>
</li>
</ul></div>';
break;
default:
// This is case 'flags'. Having is as default makes $code always set.
$code = '<div class="flags-styled">{{inside}}</div>';
break;
}
/**
* Filter enabled languages.
*
* Returning array.
*
* @since 1.0.13
*
* @param array $enabled_languages An array with languages to show off in menu.
* @param string WPGlobus::Config()->language The current language.
*/
$enabled_languages = apply_filters('wpglobus_extra_languages', $enabled_languages, WPGlobus::Config()->language);
/**
* Class for link in a and option tags. Used for adding hash.
* @see class wpglobus-selector-link
* @since 1.2.0
*/
$link_classes['selector_link'] = 'wpglobus-selector-link';
/**
* Class for flag box
* @since 1.4.0
*/
$flag_classes = array();
echo $args['before_widget'];
if (!empty($instance['title'])) {
echo $args['before_title'] . $instance['title'] . $args['after_title'];
}
foreach ($enabled_languages as $language) {
$selected = '';
/**
* Init current language class
*/
$link_classes['current_language'] = '';
/**
* Init current language class for flag box
*/
$flag_classes['current_language'] = '';
if ($language == WPGlobus::Config()->language) {
$selected = ' selected';
switch ($type) {
case 'flags':
$flag_classes['current_language'] = 'wpglobus-current-language';
break;
case 'list':
case 'list_with_flags':
case 'dropdown':
case 'dropdown_with_flags':
$link_classes['current_language'] = 'wpglobus-current-language';
break;
}
}
$url = WPGlobus_Utils::localize_current_url($language);
$flag = WPGlobus::Config()->flags_url . WPGlobus::Config()->flag[$language];
switch ($type) {
case 'flags':
$inside .= '<span class="flag ' . implode(' ', $flag_classes) . '">';
$inside .= '<a href="' . $url . '" class="' . implode(' ', $link_classes) . '"><img src="' . $flag . '"/></a>';
$inside .= '</span>';
break;
case 'list':
case 'list_with_flags':
$inside .= '<a href="' . $url . '" class="' . implode(' ', $link_classes) . '">' . '<img src="' . $flag . '" alt=""/>' . ' ' . '<span class="name">' . WPGlobus::Config()->language_name[$language] . '</span>' . ' ' . '<span class="code">' . strtoupper($language) . '</span>' . '</a>';
break;
case 'select':
$inside .= '<option class="' . implode(' ', $link_classes) . '" ' . $selected . ' value="' . $url . '">' . WPGlobus::Config()->language_name[$language] . '</option>';
break;
case 'select_with_code':
$inside .= '<option class="' . implode(' ', $link_classes) . '" ' . $selected . ' value="' . $url . '">' . WPGlobus::Config()->language_name[$language] . ' (' . strtoupper($language) . ')</option>';
break;
case 'dropdown':
if ('' != $selected) {
$code = str_replace('{{language}}', '<a class="' . implode(' ', $link_classes) . '" href="' . $url . '">' . WPGlobus::Config()->language_name[$language] . ' (' . strtoupper($language) . ')</a>', $code);
} else {
$inside .= '<li><a class="' . implode(' ', $link_classes) . '" href="' . $url . '">' . WPGlobus::Config()->language_name[$language] . ' (' . strtoupper($language) . ')</a></li>';
}
break;
case 'dropdown_with_flags':
if ('' != $selected) {
$code = str_replace('{{language}}', '<a class="' . implode(' ', $link_classes) . '" href="' . $url . '"><img src="' . $flag . '"/> ' . WPGlobus::Config()->language_name[$language] . '</a>', $code);
} else {
$inside .= '<li><a class="' . implode(' ', $link_classes) . '" href="' . $url . '"><img src="' . $flag . '"/> ' . WPGlobus::Config()->language_name[$language] . '</a></li>';
}
break;
}
}
echo str_replace('{{inside}}', $inside, $code);
echo $args['after_widget'];
}
/**
* 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));
}
/**
* Build hreflang metas
*
* @since 1.1.1
* @param WPGlobus_Config $config Alternative configuration (i.e. Unit Test mock object)
* @return string[] Array of rel-alternate link tags
*/
public static function hreflangs(WPGlobus_Config $config = null)
{
/**
* Use the global configuration is alternative not passed
*/
if (null === $config) {
// @codeCoverageIgnoreStart
$config = WPGlobus::Config();
}
// @codeCoverageIgnoreEnd
$hreflangs = array();
if (is_404()) {
return $hreflangs;
}
foreach ($config->enabled_languages as $language) {
$hreflangs[$language] = sprintf('<link rel="alternate" hreflang="%s" href="%s"/>', str_replace('_', '-', $config->locale[$language]), WPGlobus_Utils::localize_current_url($language, $config));
}
return $hreflangs;
}
/**
* 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));
}