private void fitVectorsToSize() {
      m_fileContent.setSize(getRowsCount());
      int fileSize = getRowsCount();
      int colCount = getColsCount();
      for (int i = 0; i < fileSize; i++) {
         Vector aRow = (Vector)m_fileContent.get(i);
         if (aRow == null) {
            m_fileContent.set(i, new Vector());
            aRow = (Vector)m_fileContent.get(i);
         }
         aRow.setSize(colCount);
      }
   }