/**
* Return an instance of this class.
*
* @since 2.0.0
*
* @return object A single instance of this class.
*/
public static function get_instance()
{
// If the single instance hasn't been set, set it now.
if (null == self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Initialize the plugin by loading admin scripts & styles and adding a settings page and menu.
*
* @since 2.0.0
*/
private function __construct()
{
// Call $plugin_slug from public plugin class.
$plugin = Isotope_Posts::get_instance();
$this->plugin_slug = $plugin->get_plugin_slug();
// Load admin style sheet and JavaScript.
add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_styles'));
add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_scripts'));
// Add the options page and menu item.
add_action('admin_menu', array($this, 'add_plugin_admin_menu'));
// Add an action link pointing to the options page.
$plugin_basename = plugin_basename(plugin_dir_path(__DIR__) . $this->plugin_slug . '.php');
add_filter('plugin_action_links_' . $plugin_basename, array($this, 'add_action_links'));
// Add Ajax callbacks for editing and deleting shortcodes.
add_action('wp_ajax_delete_post_loop', array($this, 'delete_post_loop'));
}