code: @SuppressWarnings("unchecked")
      public boolean isEmpty() {
  
          List<String>[] params = new List[] {m_types, m_galleries, m_categories, new ArrayList<String>(m_folders)};
          for (List<String> paramList : params) {
              if ((paramList != null) && !paramList.isEmpty()) {
                  return false;
              }
          }
          if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(m_query)) {
              return false;
          }
          List<Long> dates = Arrays.asList(
              new Long[] {
                  Long.valueOf(m_dateCreatedEnd),
                  Long.valueOf(m_dateCreatedStart),
                  Long.valueOf(m_dateModifiedEnd),
                  Long.valueOf(m_dateModifiedStart)});
          for (Long date : dates) {
              if ((date != null) && (!date.equals(Long.valueOf(-1L)))) {
                  return false;
              }
          }
          return true;
      }
docs: Checks if any search parameter are selected.<p>
  
  @return false if any search parameter is selected, true if there are no search parameter selected