public DataValidityTable GetOrCreateDataValidityTable()
{
if (_dataValidityTable == null)
{
_dataValidityTable = new DataValidityTable();
RecordOrderer.AddNewSheetRecord(records, _dataValidityTable);
}
return _dataValidityTable;
}
/// <summary>
/// Initializes a new instance of the <see cref="InternalSheet"/> class.
/// </summary>
/// <param name="rs">The stream.</param>
private InternalSheet(RecordStream rs)
{
_mergedCellsTable = new MergedCellsTable();
RowRecordsAggregate rra = null;
records = new List<RecordBase>(128);
// TODO - take chart streams off into separate java objects
//int bofEofNestingLevel = 0; // nesting level can only get to 2 (when charts are present)
int dimsloc = -1;
if (rs.PeekNextSid() != BOFRecord.sid)
{
throw new Exception("BOF record expected");
}
BOFRecord bof = (BOFRecord)rs.GetNext();
if (bof.Type != BOFRecord.TYPE_WORKSHEET)
{
// TODO - fix junit tests throw new RuntimeException("Bad BOF record type");
}
records.Add(bof);
while (rs.HasNext())
{
int recSid = rs.PeekNextSid();
if (recSid == CFHeaderRecord.sid)
{
condFormatting = new ConditionalFormattingTable(rs);
records.Add(condFormatting);
continue;
}
if (recSid == ColumnInfoRecord.sid)
{
_columnInfos = new ColumnInfoRecordsAggregate(rs);
records.Add(_columnInfos);
continue;
}
if (recSid == DVALRecord.sid)
{
_dataValidityTable = new DataValidityTable(rs);
records.Add(_dataValidityTable);
continue;
}
if (RecordOrderer.IsRowBlockRecord(recSid))
{
//only Add the aggregate once
if (rra != null)
{
throw new InvalidOperationException("row/cell records found in the wrong place");
}
RowBlocksReader rbr = new RowBlocksReader(rs);
_mergedCellsTable.AddRecords(rbr.LooseMergedCells);
rra = new RowRecordsAggregate(rbr.PlainRecordStream, rbr.SharedFormulaManager);
records.Add(rra); //only Add the aggregate once
continue;
}
if (CustomViewSettingsRecordAggregate.IsBeginRecord(recSid))
{
// This happens three times in test sample file "29982.xls"
// Also several times in bugzilla samples 46840-23373 and 46840-23374
records.Add(new CustomViewSettingsRecordAggregate(rs));
continue;
}
if (PageSettingsBlock.IsComponentRecord(recSid))
{
if (_psBlock == null)
{
// first PSB record encountered - read all of them:
_psBlock = new PageSettingsBlock(rs);
records.Add(_psBlock);
}
else
{
// one or more PSB records found after some intervening non-PSB records
_psBlock.AddLateRecords(rs);
}
// YK: in some cases records can be moved to the preceding
// CustomViewSettingsRecordAggregate blocks
_psBlock.PositionRecords(records);
continue;
}
if (WorksheetProtectionBlock.IsComponentRecord(recSid))
{
_protectionBlock.AddRecords(rs);
continue;
}
if (recSid == MergeCellsRecord.sid)
{
// when the MergedCellsTable is found in the right place, we expect those records to be contiguous
_mergedCellsTable.Read(rs);
continue;
}
if (recSid == BOFRecord.sid)
{
ChartSubstreamRecordAggregate chartAgg = new ChartSubstreamRecordAggregate(rs);
//if (false)
//{
// TODO - would like to keep the chart aggregate packed, but one unit test needs attention
// records.Add(chartAgg);
//}
//else
//{
SpillAggregate(chartAgg, records);
//}
continue;
}
Record rec = rs.GetNext();
if (recSid == IndexRecord.sid)
{
// ignore INDEX record because it is only needed by Excel,
// and POI always re-calculates its contents
continue;
}
if (recSid == UncalcedRecord.sid)
{
// don't Add UncalcedRecord to the list
_isUncalced = true; // this flag is enough
continue;
}
if (recSid == FeatRecord.sid ||
recSid == FeatHdrRecord.sid)
{
records.Add(rec);
continue;
}
if (recSid == EOFRecord.sid)
{
records.Add(rec);
break;
}
if (recSid == DimensionsRecord.sid)
{
// Make a columns aggregate if one hasn't Ready been created.
if (_columnInfos == null)
{
_columnInfos = new ColumnInfoRecordsAggregate();
records.Add(_columnInfos);
}
_dimensions = (DimensionsRecord)rec;
dimsloc = records.Count;
}
else if (recSid == DefaultColWidthRecord.sid)
{
defaultcolwidth = (DefaultColWidthRecord)rec;
}
else if (recSid == DefaultRowHeightRecord.sid)
{
defaultrowheight = (DefaultRowHeightRecord)rec;
}
else if (recSid == PrintGridlinesRecord.sid)
{
printGridlines = (PrintGridlinesRecord)rec;
}
else if (recSid == GridsetRecord.sid)
{
gridset = (GridsetRecord)rec;
}
else if (recSid == SelectionRecord.sid)
{
selection = (SelectionRecord)rec;
}
else if (recSid == WindowTwoRecord.sid)
{
windowTwo = (WindowTwoRecord)rec;
}
else if (recSid == SheetExtRecord.sid)
{
sheetext = (SheetExtRecord)rec;
}
else if (recSid == GutsRecord.sid)
{
_gutsRecord = (GutsRecord)rec;
}
records.Add(rec);
}
if (windowTwo == null)
{
throw new InvalidOperationException("WINDOW2 was not found");
}
if (_dimensions == null)
{
// Excel seems to always write the DIMENSION record, but tolerates when it is not present
// in all cases Excel (2007) adds the missing DIMENSION record
if (rra == null)
{
// bug 46206 alludes to files which skip the DIMENSION record
// when there are no row/cell records.
// Not clear which application wrote these files.
rra = new RowRecordsAggregate();
}
else
{
//log.log(POILogger.WARN, "DIMENSION record not found even though row/cells present");
// Not sure if any tools write files like this, but Excel reads them OK
}
dimsloc = FindFirstRecordLocBySid(WindowTwoRecord.sid);
_dimensions = rra.CreateDimensions();
records.Insert(dimsloc, _dimensions);
}
if (rra == null)
{
rra = new RowRecordsAggregate();
records.Insert(dimsloc + 1, rra);
}
_rowsAggregate = rra;
// put merged cells table in the right place (regardless of where the first MergedCellsRecord was found */
RecordOrderer.AddNewSheetRecord(records, _mergedCellsTable);
RecordOrderer.AddNewSheetRecord(records, _protectionBlock);
//if (log.Check(POILogger.DEBUG))
// log.Log(POILogger.DEBUG, "sheet createSheet (existing file) exited");
}