/**
* Return the single class instance
*
* @return object
* @since 2.0.0
*/
public static function instance()
{
if (is_null(self::$_instance)) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Class constructor
*
* @uses add_action()
* @uses add_filter()
* @uses get_option()
* @uses get_bloginfo()
*
* @global object $wp_embed
* @since 2.0.0
*/
protected function __construct()
{
// Include required files
include_once plugin_dir_path(__FILE__) . 'includes/class-widget.php';
// Include and instantiate admin class on admin pages
if (is_admin()) {
include_once plugin_dir_path(__FILE__) . 'includes/class-admin.php';
self::$admin = Black_Studio_TinyMCE_Admin::instance();
include_once plugin_dir_path(__FILE__) . 'includes/class-admin-pointer.php';
self::$admin_pointer = Black_Studio_TinyMCE_Admin_Pointer::instance();
} else {
include_once plugin_dir_path(__FILE__) . 'includes/class-text-filters.php';
self::$text_filters = Black_Studio_TinyMCE_Text_Filters::instance();
}
// Register action and filter hooks
add_action('plugins_loaded', array($this, 'load_compatibility'), 50);
add_action('widgets_init', array($this, 'widgets_init'));
}