code: protected T getRowObject(int rowIndex) {
  		int pageIndex = rowIndex - dataOffset;
  		if (pageIndex >= 0 && pageIndex < data.size()) {
  			return data.get(pageIndex);
  		}
  		return null;
  	}
docs: Gets the object at the given row.
  
  @param rowIndex the index of the row
  @return {@code null} if object is not in the current page