code: public boolean hasSingleActions() {
  
          Iterator<CmsListColumnDefinition> itCols = m_columns.elementList().iterator();
          while (itCols.hasNext()) {
              CmsListColumnDefinition col = itCols.next();
              if (!col.getDefaultActions().isEmpty() || !col.getDirectActions().isEmpty()) {
                  return true;
              }
          }
          return false;
      }
docs: Returns <code>true</code> if any column definition contains a single action.<p>
  
  @return <code>true</code> if any column definition contains a single action