/**
  * Constructor
  *
  * @since    1.0.0
  */
 protected function __construct()
 {
     self::$model_sett = LeafletLayers_Model_Admin_Settings::get_instance();
     $this->register_hook_callbacks();
     self::$markers_js = LeafletLayers_Model::get_markers_json();
     self::$leafletlayers_groups = LeafletLayers_Model::get_groups(false);
 }
 /**
  * Constructor
  *
  * @since    1.0.0
  */
 protected function __construct()
 {
     static::$hook_suffix = 'settings_page_' . LeafletLayers::PLUGIN_ID;
     $this->register_hook_callbacks();
     $this->model = LeafletLayers_Model_Admin_Settings::get_instance();
 }