public static function instance()
{
if (empty(self::$instance)) {
self::$instance = new self();
}
return self::$instance;
}
public function __construct()
{
// manages plugin activation and deactivation
register_activation_hook(__FILE__, array(&$this, 'activate'));
register_deactivation_hook(__FILE__, array(&$this, 'deactivate'));
// stopping here if we are going to deactivate the plugin (avoids breaking rewrite rules)
if (isset($_GET['action'], $_GET['plugin']) && 'deactivate' == $_GET['action'] && plugin_basename(__FILE__) == $_GET['plugin']) {
return;
}
// loads the admin side of Polylang for the dashboard
if (defined('DOING_AJAX') && DOING_AJAX && isset($_REQUEST['action']) && 'lingotek_language' == $_REQUEST['action']) {
define('PLL_AJAX_ON_FRONT', false);
add_filter('pll_model', create_function('$c', 'return "PLL_Admin_Model";'));
}
spl_autoload_register(array(&$this, 'autoload'));
// autoload classes
// init
add_filter('pll_model', array(&$this, 'pll_model'));
add_action('init', array(&$this, 'init'));
add_action('admin_init', array(&$this, 'admin_init'));
// add Lingotek locale to languages
add_filter('pll_languages_list', array(&$this, 'pre_set_languages_list'));
// flag title
add_filter('pll_flag_title', array(&$this, 'pll_flag_title'), 10, 3);
// adds a pointer upon plugin activation to draw attention to Lingotek
if (!get_option('lingotek_token')) {
add_action('init', array(&$this, 'lingotek_activation_pointer'));
}
// adds extra plugin compatibility - borrowed from Polylang
if (!defined('LINGOTEK_PLUGINS_COMPAT') || LINGOTEK_PLUGINS_COMPAT) {
Lingotek_Plugins_Compat::instance();
}
}
