protected ITableContent createTableContent(IReportContent report, int colNumber, int rowCount) {
   ITableContent table = report.createTableContent();
   for (int i = 0; i < rowCount; i++) {
     ITableBandContent band = report.createTableBandContent();
     band.setBandType(ITableBandContent.BAND_DETAIL);
     IRowContent row = createRowContent(report, colNumber);
     band.getChildren().add(row);
     row.setParent(band);
     table.getChildren().add(band);
     band.setParent(table);
   }
   return table;
 }
  public void startRow(IRowContent row) throws BirtException {
    if (cellEmitter != null) {
      cellEmitter.startRow(row);
    } else {
      // For fixed layout reports and in run task, we need to emit the
      // invisible content to PDF layout engine.
      boolean hiddenMask =
          context.isFixedLayout()
              && (Integer) context.getLayoutEngine().getOption(EngineTask.TASK_TYPE)
                  == IEngineTask.TASK_RUN;
      boolean isHidden =
          LayoutUtil.isHidden(
              row, emitter.getOutputFormat(), context.getOutputDisplayNone(), hiddenMask);

      if (!isNestTable()) {
        int rowId = row.getRowID();
        if (lastRowId >= 0 && rowId > lastRowId + 1) {
          for (int i = lastRowId + 1; i < rowId; i++) {
            IRowContent newRow = (IRowContent) row.cloneContent(false);
            newRow.setParent(row.getParent());
            newRow.setRowID(i);
            startRow(newRow);
            endRow(newRow);
          }
        }
        layout.createRow(row, isHidden);
        if (!isHidden) {
          if (hasDropCell()) {
            layoutEvents.push(
                new LayoutEvent(LayoutEvent.ON_ROW, new StartInfo(layout.getRowCount() - 1, 0)));
            return;
          } else if (layout.hasUnResolvedRow() && !LayoutUtil.isRepeatableRow(row)) {
            layoutEvents.push(
                new LayoutEvent(LayoutEvent.ON_ROW, new StartInfo(layout.getRowCount() - 1, 0)));
            hasDropCell = true;
            return;
          }
        }

        // TODO: here we need handle the hidden row and change the row
        // id.
      }
      if (!isHidden) {
        emitter.startRow(row);
      }
    }
  }