/**
  * Get error messages and init filters
  * 
  * @param \Form\Form $form
  */
 public function __construct(\Form\Form $form)
 {
     $this->error_msg = $form->errorForm();
     if ($this->error_msg) {
         \add_filter('save_post', array($this, 'getContentType'), 99);
     }
     \add_filter('post_updated_messages', array($this, 'addErrorMessage'));
 }