code: @SuppressWarnings("unchecked")
      protected boolean isValid() {
  
          boolean res = true;
  
          res = res & m_description.isValid();
          res = res & m_name.isValid();
          if (!res) {
              return res;
          }
          for (I_CmsEditableGroupRow row : m_ouResources.getRows()) {
              if (!((AbstractField<String>)row.getComponent()).isValid()) {
                  return false;
              }
          }
          return true;
      }
docs: Checks if all fields are valid.<p>
  
  @return true, if all data are ok.