Example #1
0
 /**
  * Accessor for the workspace options
  *
  * @param wo the workspace options
  */
 public void setWorkspaceOptions(WorkspaceInformationRecord wo)
 {
     if (wo != null)
     {
         workspaceOptions = wo;
     }
 }
Example #2
0
        /// <summary> Reads in the contents of this sheet</summary>
        internal void  readSheet()
        {
            // If this sheet contains only a chart, then set everything to
            // empty and do not bother parsing the sheet
            // Thanks to steve.brophy for spotting this
            if (!sheetBof.isWorksheet())
            {
                numRows = 0;
                numCols = 0;
                cells   = new Cell[0][];
                for (int i = 0; i < 0; i++)
                {
                    cells[i] = new Cell[0];
                }
                //      return;
            }

            SheetReader reader = new SheetReader(excelFile, sharedStrings, formattingRecords, sheetBof, workbookBof, nineteenFour, workbook, startPosition, this);

            reader.read();

            // Take stuff that was read in
            numRows          = reader.NumRows;
            numCols          = reader.NumCols;
            cells            = reader.Cells;
            rowProperties    = reader.RowProperties;
            columnInfosArray = reader.ColumnInfosArray;
            hyperlinks       = reader.Hyperlinks;
            charts           = reader.Charts;
            drawings         = reader.Drawings;
            mergedCells      = reader.MergedCells;
            settings         = reader.Settings;
            settings.Hidden  = hidden;
            rowBreaks        = reader.RowBreaks;
            workspaceOptions = reader.WorkspaceOptions;
            plsRecord        = reader.PLS;

            reader = null;

            if (!workbookSettings.GCDisabled)
            {
                System.GC.Collect();
            }

            if (columnInfosArray.Count > 0)
            {
                ColumnInfoRecord cir = (ColumnInfoRecord)columnInfosArray[columnInfosArray.Count - 1];
                columnInfos = new ColumnInfoRecord[cir.EndColumn + 1];
            }
            else
            {
                columnInfos = new ColumnInfoRecord[0];
            }
        }
Example #3
0
 /**
  * Creates a new <code>SheetWriter</code> instance.
  *
  * @param of the output file
  */
 public SheetWriter(File of,
                    WritableSheetImpl wsi,
                    WorkbookSettings ws)
 {
     outputFile       = of;
     sheet            = wsi;
     workspaceOptions = new WorkspaceInformationRecord();
     workbookSettings = ws;
     chartOnly        = false;
     drawingWriter    = new SheetDrawingWriter(ws);
 }
Example #4
0
        /**
         * Reads in the contents of this sheet
         */
        public void readSheet()
        {
            // If this sheet contains only a chart, then set everything to
            // empty and do not bother parsing the sheet
            // Thanks to steve.brophy for spotting this
            if (!sheetBof.isWorksheet())
            {
                numRows = 0;
                numCols = 0;
                cells   = new Cell[0, 0];
                //      return;
            }

            SheetReader reader = new SheetReader(excelFile,
                                                 sharedStrings,
                                                 formattingRecords,
                                                 sheetBof,
                                                 workbookBof,
                                                 nineteenFour,
                                                 workbook,
                                                 startPosition,
                                                 this);

            reader.read();

            // Take stuff that was read in
            numRows            = reader.getNumRows();
            numCols            = reader.getNumCols();
            cells              = reader.getCells();
            rowProperties      = reader.getRowProperties();
            columnInfosArray   = reader.getColumnInfosArray();
            hyperlinks         = reader.getHyperlinks();
            conditionalFormats = reader.getConditionalFormats();
            autoFilter         = reader.getAutoFilter();
            charts             = reader.getCharts();
            drawings           = reader.getDrawings();
            dataValidation     = reader.getDataValidation();
            mergedCells        = reader.getMergedCells();
            settings           = reader.getSettings();
            settings.setHidden(hidden);
            rowBreaks             = reader.getRowBreaks();
            columnBreaks          = reader.getColumnBreaks();
            workspaceOptions      = reader.getWorkspaceOptions();
            plsRecord             = reader.getPLS();
            buttonPropertySet     = reader.getButtonPropertySet();
            maxRowOutlineLevel    = reader.getMaxRowOutlineLevel();
            maxColumnOutlineLevel = reader.getMaxColumnOutlineLevel();

            reader = null;

            //if (!workbookSettings.getGCDisabled())
            //    {
            //    System.gc();
            //    }

            if (columnInfosArray.Count > 0)
            {
                ColumnInfoRecord cir = (ColumnInfoRecord)
                                       columnInfosArray[columnInfosArray.Count - 1];
                columnInfos = new ColumnInfoRecord[cir.getEndColumn() + 1];
            }
            else
            {
                columnInfos = new ColumnInfoRecord[0];
            }

            // Add any local names
            if (localNames != null)
            {
                foreach (NameRecord nr in localNames)
                {
                    if (nr.getBuiltInName() == BuiltInName.PRINT_AREA)
                    {
                        if (nr.getRanges().Length > 0)
                        {
                            NameRecord.NameRange rng = nr.getRanges()[0];
                            settings.setPrintArea(rng.getFirstColumn(),
                                                  rng.getFirstRow(),
                                                  rng.getLastColumn(),
                                                  rng.getLastRow());
                        }
                    }
                    else if (nr.getBuiltInName() == BuiltInName.PRINT_TITLES)
                    {
                        // There can be 1 or 2 entries.
                        // Row entries have hardwired column entries (first and last
                        //  possible column)
                        // Column entries have hardwired row entries (first and last
                        // possible row)
                        for (int i = 0; i < nr.getRanges().Length; i++)
                        {
                            NameRecord.NameRange rng = nr.getRanges()[i];
                            if (rng.getFirstColumn() == 0 && rng.getLastColumn() == 255)
                            {
                                settings.setPrintTitlesRow(rng.getFirstRow(),
                                                           rng.getLastRow());
                            }
                            else
                            {
                                settings.setPrintTitlesCol(rng.getFirstColumn(),
                                                           rng.getLastColumn());
                            }
                        }
                    }
                }
            }
        }
Example #5
0
        /// <summary> Reads in the contents of this sheet</summary>
        internal void  read()
        {
            Record r = null;
            BaseSharedFormulaRecord sharedFormula = null;
            bool sharedFormulaAdded = false;

            bool cont = true;

            // Set the position within the file
            excelFile.Pos = startPosition;

            // Handles to the last drawing and obj records
            MsoDrawingRecord msoRecord = null;
            ObjRecord        objRecord = null;

            // A handle to window2 record
            Window2Record window2Record = null;

            // A handle to printgridlines record
            PrintGridLinesRecord printGridLinesRecord = null;

            // A handle to printheaders record
            PrintHeadersRecord printHeadersRecord = null;

            while (cont)
            {
                r = excelFile.next();

                if (r.Type == NExcel.Biff.Type.UNKNOWN && r.Code == 0)
                {
                    //System.Console.Error.Write("Warning:  biff code zero found");

                    // Try a dimension record
                    if (r.Length == 0xa)
                    {
                        logger.warn("Biff code zero found - trying a dimension record.");
                        r.Type = (NExcel.Biff.Type.DIMENSION);
                    }
                    else
                    {
                        logger.warn("Biff code zero found - Ignoring.");
                    }
                }

                if (r.Type == NExcel.Biff.Type.DIMENSION)
                {
                    DimensionRecord dr = null;

                    if (workbookBof.isBiff8())
                    {
                        dr = new DimensionRecord(r);
                    }
                    else
                    {
                        dr = new DimensionRecord(r, DimensionRecord.biff7);
                    }
                    numRows = dr.NumberOfRows;
                    numCols = dr.NumberOfColumns;
                    cells   = new Cell[numRows][];
                    for (int i = 0; i < numRows; i++)
                    {
                        cells[i] = new Cell[numCols];
                    }
                }
                else if (r.Type == NExcel.Biff.Type.LABELSST)
                {
                    LabelSSTRecord label = new LabelSSTRecord(r, sharedStrings, formattingRecords, sheet);
                    addCell(label);
                }
                else if (r.Type == NExcel.Biff.Type.RK || r.Type == NExcel.Biff.Type.RK2)
                {
                    RKRecord rkr = new RKRecord(r, formattingRecords, sheet);

                    if (formattingRecords.isDate(rkr.XFIndex))
                    {
                        DateCell dc = new DateRecord(rkr, rkr.XFIndex, formattingRecords, nineteenFour, sheet);
                        addCell(dc);
                    }
                    else
                    {
                        addCell(rkr);
                    }
                }
                else if (r.Type == NExcel.Biff.Type.HLINK)
                {
                    HyperlinkRecord hr = new HyperlinkRecord(r, sheet, workbookSettings);
                    hyperlinks.Add(hr);
                }
                else if (r.Type == NExcel.Biff.Type.MERGEDCELLS)
                {
                    MergedCellsRecord mc = new MergedCellsRecord(r, sheet);
                    if (mergedCells == null)
                    {
                        mergedCells = mc.Ranges;
                    }
                    else
                    {
                        Range[] newMergedCells = new Range[mergedCells.Length + mc.Ranges.Length];
                        Array.Copy(mergedCells, 0, newMergedCells, 0, mergedCells.Length);
                        Array.Copy(mc.Ranges, 0, newMergedCells, mergedCells.Length, mc.Ranges.Length);
                        mergedCells = newMergedCells;
                    }
                }
                else if (r.Type == NExcel.Biff.Type.MULRK)
                {
                    MulRKRecord mulrk = new MulRKRecord(r);

                    // Get the individual cell records from the multiple record
                    int num = mulrk.NumberOfColumns;
                    int ixf = 0;
                    for (int i = 0; i < num; i++)
                    {
                        ixf = mulrk.getXFIndex(i);

                        NumberValue nv = new NumberValue(mulrk.Row, mulrk.FirstColumn + i, RKHelper.getDouble(mulrk.getRKNumber(i)), ixf, formattingRecords, sheet);


                        if (formattingRecords.isDate(ixf))
                        {
                            DateCell dc = new DateRecord(nv, ixf, formattingRecords, nineteenFour, sheet);
                            addCell(dc);
                        }
                        else
                        {
                            nv.setNumberFormat(formattingRecords.getNumberFormat(ixf));
                            addCell(nv);
                        }
                    }
                }
                else if (r.Type == NExcel.Biff.Type.NUMBER)
                {
                    NumberRecord nr = new NumberRecord(r, formattingRecords, sheet);

                    if (formattingRecords.isDate(nr.XFIndex))
                    {
                        DateCell dc = new DateRecord(nr, nr.XFIndex, formattingRecords, nineteenFour, sheet);
                        addCell(dc);
                    }
                    else
                    {
                        addCell(nr);
                    }
                }
                else if (r.Type == NExcel.Biff.Type.BOOLERR)
                {
                    BooleanRecord br = new BooleanRecord(r, formattingRecords, sheet);

                    if (br.Error)
                    {
                        ErrorRecord er = new ErrorRecord(br.getRecord(), formattingRecords, sheet);
                        addCell(er);
                    }
                    else
                    {
                        addCell(br);
                    }
                }
                else if (r.Type == NExcel.Biff.Type.PRINTGRIDLINES)
                {
                    printGridLinesRecord    = new PrintGridLinesRecord(r);
                    settings.PrintGridLines = (printGridLinesRecord.PrintGridLines);
                }
                else if (r.Type == NExcel.Biff.Type.PRINTHEADERS)
                {
                    printHeadersRecord    = new PrintHeadersRecord(r);
                    settings.PrintHeaders = (printHeadersRecord.PrintHeaders);
                }
                else if (r.Type == NExcel.Biff.Type.WINDOW2)
                {
                    window2Record = new Window2Record(r);

                    settings.ShowGridLines     = (window2Record.ShowGridLines);
                    settings.DisplayZeroValues = (window2Record.DisplayZeroValues);
                    settings.setSelected();
                }
                else if (r.Type == NExcel.Biff.Type.PANE)
                {
                    PaneRecord pr = new PaneRecord(r);

                    if (window2Record != null && window2Record.Frozen && window2Record.FrozenNotSplit)
                    {
                        settings.VerticalFreeze   = (pr.RowsVisible);
                        settings.HorizontalFreeze = (pr.ColumnsVisible);
                    }
                }
                else if (r.Type == NExcel.Biff.Type.CONTINUE)
                {
                    ;
                }
                else if (r.Type == NExcel.Biff.Type.NOTE)
                {
                    ;
                }
                else if (r.Type == NExcel.Biff.Type.ARRAY)
                {
                    ;
                }
                else if (r.Type == NExcel.Biff.Type.PROTECT)
                {
                    ProtectRecord pr = new ProtectRecord(r);
                    settings.Protected = (pr.IsProtected());
                }
                else if (r.Type == NExcel.Biff.Type.SHAREDFORMULA)
                {
                    if (sharedFormula == null)
                    {
                        logger.warn("Shared template formula is null - " + "trying most recent formula template");
                        SharedFormulaRecord lastSharedFormula = (SharedFormulaRecord)sharedFormulas[sharedFormulas.Count - 1];

                        if (lastSharedFormula != null)
                        {
                            sharedFormula = lastSharedFormula.TemplateFormula;
                        }
                    }

                    SharedFormulaRecord sfr = new SharedFormulaRecord(r, sharedFormula, workbook, workbook, sheet);
                    sharedFormulas.Add(sfr);
                    sharedFormula = null;
                }
                else if (r.Type == NExcel.Biff.Type.FORMULA || r.Type == NExcel.Biff.Type.FORMULA2)
                {
                    FormulaRecord fr = new FormulaRecord(r, excelFile, formattingRecords, workbook, workbook, sheet, workbookSettings);

                    if (fr.Shared)
                    {
                        BaseSharedFormulaRecord prevSharedFormula = sharedFormula;
                        sharedFormula = (BaseSharedFormulaRecord)fr.Formula;

                        // See if it fits in any of the shared formulas
                        sharedFormulaAdded = addToSharedFormulas(sharedFormula);

                        if (sharedFormulaAdded)
                        {
                            sharedFormula = prevSharedFormula;
                        }

                        // If we still haven't added the previous base shared formula,
                        // revert it to an ordinary formula and add it to the cell
                        if (!sharedFormulaAdded && prevSharedFormula != null)
                        {
                            // Do nothing.  It's possible for the biff file to contain the
                            // record sequence
                            // FORMULA-SHRFMLA-FORMULA-SHRFMLA-FORMULA-FORMULA-FORMULA
                            // ie. it first lists all the formula templates, then it
                            // lists all the individual formulas
                            addCell(revertSharedFormula(prevSharedFormula));
                        }
                    }
                    else
                    {
                        Cell cell = fr.Formula;

                        // See if the formula evaluates to date
                        if (fr.Formula.Type == CellType.NUMBER_FORMULA)
                        {
                            NumberFormulaRecord nfr = (NumberFormulaRecord)fr.Formula;
                            if (formattingRecords.isDate(nfr.XFIndex))
                            {
                                cell = new DateFormulaRecord(nfr, formattingRecords, workbook, workbook, nineteenFour, sheet);
                            }
                        }

                        addCell(cell);
                    }
                }
                else if (r.Type == NExcel.Biff.Type.LABEL)
                {
                    LabelRecord lr = null;

                    if (workbookBof.isBiff8())
                    {
                        lr = new LabelRecord(r, formattingRecords, sheet, workbookSettings);
                    }
                    else
                    {
                        lr = new LabelRecord(r, formattingRecords, sheet, workbookSettings, LabelRecord.biff7);
                    }
                    addCell(lr);
                }
                else if (r.Type == NExcel.Biff.Type.RSTRING)
                {
                    RStringRecord lr = null;

                    // RString records are obsolete in biff 8
                    Assert.verify(!workbookBof.isBiff8());
                    lr = new RStringRecord(r, formattingRecords, sheet, workbookSettings, RStringRecord.biff7);
                    addCell(lr);
                }
                else if (r.Type == NExcel.Biff.Type.NAME)
                {
                    ;
                }
                else if (r.Type == NExcel.Biff.Type.PASSWORD)
                {
                    PasswordRecord pr = new PasswordRecord(r);
                    settings.PasswordHash = (pr.PasswordHash);
                }
                else if (r.Type == NExcel.Biff.Type.ROW)
                {
                    RowRecord rr = new RowRecord(r);

                    // See if the row has anything funny about it
                    if (!rr.isDefaultHeight() || rr.isCollapsed() || rr.isZeroHeight())
                    {
                        rowProperties.Add(rr);
                    }
                }
                else if (r.Type == NExcel.Biff.Type.BLANK)
                {
                    BlankCell bc = new BlankCell(r, formattingRecords, sheet);
                    addCell(bc);
                }
                else if (r.Type == NExcel.Biff.Type.MULBLANK)
                {
                    MulBlankRecord mulblank = new MulBlankRecord(r);

                    // Get the individual cell records from the multiple record
                    int num = mulblank.NumberOfColumns;

                    for (int i = 0; i < num; i++)
                    {
                        int ixf = mulblank.getXFIndex(i);

                        MulBlankCell mbc = new MulBlankCell(mulblank.Row, mulblank.FirstColumn + i, ixf, formattingRecords, sheet);

                        addCell(mbc);
                    }
                }
                else if (r.Type == NExcel.Biff.Type.SCL)
                {
                    SCLRecord scl = new SCLRecord(r);
                    settings.ZoomFactor = (scl.ZoomFactor);
                }
                else if (r.Type == NExcel.Biff.Type.COLINFO)
                {
                    ColumnInfoRecord cir = new ColumnInfoRecord(r);
                    columnInfosArray.Add(cir);
                }
                else if (r.Type == NExcel.Biff.Type.HEADER)
                {
                    HeaderRecord hr = null;
                    if (workbookBof.isBiff8())
                    {
                        hr = new HeaderRecord(r, workbookSettings);
                    }
                    else
                    {
                        hr = new HeaderRecord(r, workbookSettings, HeaderRecord.biff7);
                    }

                    NExcel.HeaderFooter header = new NExcel.HeaderFooter(hr.Header);
                    settings.Header = (header);
                }
                else if (r.Type == NExcel.Biff.Type.FOOTER)
                {
                    FooterRecord fr = null;
                    if (workbookBof.isBiff8())
                    {
                        fr = new FooterRecord(r, workbookSettings);
                    }
                    else
                    {
                        fr = new FooterRecord(r, workbookSettings, FooterRecord.biff7);
                    }

                    NExcel.HeaderFooter footer = new NExcel.HeaderFooter(fr.Footer);
                    settings.Footer = (footer);
                }
                else if (r.Type == NExcel.Biff.Type.SETUP)
                {
                    SetupRecord sr = new SetupRecord(r);
                    if (sr.isPortrait())
                    {
                        settings.Orientation = (PageOrientation.PORTRAIT);
                    }
                    else
                    {
                        settings.Orientation = (PageOrientation.LANDSCAPE);
                    }
                    settings.PaperSize    = (PaperSize.getPaperSize(sr.PaperSize));
                    settings.HeaderMargin = (sr.HeaderMargin);
                    settings.FooterMargin = (sr.FooterMargin);
                    settings.ScaleFactor  = (sr.ScaleFactor);
                    settings.PageStart    = (sr.PageStart);
                    settings.FitWidth     = (sr.FitWidth);
                    settings.FitHeight    = (sr.FitHeight);
                    settings.HorizontalPrintResolution = (sr.HorizontalPrintResolution);
                    settings.VerticalPrintResolution   = (sr.VerticalPrintResolution);
                    settings.Copies = (sr.Copies);

                    if (workspaceOptions != null)
                    {
                        settings.FitToPages = (workspaceOptions.FitToPages);
                    }
                }
                else if (r.Type == NExcel.Biff.Type.WSBOOL)
                {
                    workspaceOptions = new WorkspaceInformationRecord(r);
                }
                else if (r.Type == NExcel.Biff.Type.DEFCOLWIDTH)
                {
                    DefaultColumnWidthRecord dcwr = new DefaultColumnWidthRecord(r);
                    settings.DefaultColumnWidth = (dcwr.Width);
                }
                else if (r.Type == NExcel.Biff.Type.DEFAULTROWHEIGHT)
                {
                    DefaultRowHeightRecord drhr = new DefaultRowHeightRecord(r);
                    if (drhr.Height != 0)
                    {
                        settings.DefaultRowHeight = (drhr.Height);
                    }
                }
                else if (r.Type == NExcel.Biff.Type.LEFTMARGIN)
                {
                    MarginRecord m = new LeftMarginRecord(r);
                    settings.LeftMargin = (m.Margin);
                }
                else if (r.Type == NExcel.Biff.Type.RIGHTMARGIN)
                {
                    MarginRecord m = new RightMarginRecord(r);
                    settings.RightMargin = (m.Margin);
                }
                else if (r.Type == NExcel.Biff.Type.TOPMARGIN)
                {
                    MarginRecord m = new TopMarginRecord(r);
                    settings.TopMargin = (m.Margin);
                }
                else if (r.Type == NExcel.Biff.Type.BOTTOMMARGIN)
                {
                    MarginRecord m = new BottomMarginRecord(r);
                    settings.BottomMargin = (m.Margin);
                }
                else if (r.Type == NExcel.Biff.Type.HORIZONTALPAGEBREAKS)
                {
                    HorizontalPageBreaksRecord dr = null;

                    if (workbookBof.isBiff8())
                    {
                        dr = new HorizontalPageBreaksRecord(r);
                    }
                    else
                    {
                        dr = new HorizontalPageBreaksRecord(r, HorizontalPageBreaksRecord.biff7);
                    }
                    rowBreaks = dr.RowBreaks;
                }
                else if (r.Type == NExcel.Biff.Type.PLS)
                {
                    plsRecord = new PLSRecord(r);
                }
                else if (r.Type == NExcel.Biff.Type.OBJ)
                {
                    objRecord = new ObjRecord(r);

                    if (objRecord.Type == ObjRecord.PICTURE && !workbookSettings.DrawingsDisabled)
                    {
                        if (msoRecord == null)
                        {
                            logger.warn("object record is not associated with a drawing " + " record - ignoring");
                        }
                        else
                        {
                            Drawing drawing = new Drawing(msoRecord, objRecord, workbook.DrawingGroup);
                            drawings.Add(drawing);
                        }
                        msoRecord = null;
                        objRecord = null;
                    }
                }
                else if (r.Type == NExcel.Biff.Type.MSODRAWING)
                {
                    msoRecord = new MsoDrawingRecord(r);
                }
                else if (r.Type == NExcel.Biff.Type.BOF)
                {
                    BOFRecord br = new BOFRecord(r);
                    Assert.verify(!br.isWorksheet());

                    int startpos = excelFile.Pos - r.Length - 4;

                    // Skip to the end of the nested bof
                    // Thanks to Rohit for spotting this
                    Record r2 = excelFile.next();
                    while (r2.Code != NExcel.Biff.Type.EOF.Value)
                    {
                        r2 = excelFile.next();
                    }

                    if (br.isChart())
                    {
                        Chart chart = new Chart(msoRecord, objRecord, startpos, excelFile.Pos, excelFile, workbookSettings);
                        charts.Add(chart);

                        if (workbook.DrawingGroup != null)
                        {
                            workbook.DrawingGroup.add(chart);
                        }

                        // Reset the drawing records
                        msoRecord = null;
                        objRecord = null;
                    }

                    // If this worksheet is just a chart, then the EOF reached
                    // represents the end of the sheet as well as the end of the chart
                    if (sheetBof.isChart())
                    {
                        cont = false;
                    }
                }
                else if (r.Type == NExcel.Biff.Type.EOF)
                {
                    cont = false;
                }
            }

            // Restore the file to its accurate position
            excelFile.restorePos();

            // Add all the shared formulas to the sheet as individual formulas
            foreach (SharedFormulaRecord sfr in sharedFormulas)
            {
                Cell[] sfnr = sfr.getFormulas(formattingRecords, nineteenFour);

                for (int sf = 0; sf < sfnr.Length; sf++)
                {
                    addCell(sfnr[sf]);
                }
            }

            // If the last base shared formula wasn't added to the sheet, then
            // revert it to an ordinary formula and add it
            if (!sharedFormulaAdded && sharedFormula != null)
            {
                addCell(revertSharedFormula(sharedFormula));
            }
        }
Example #6
0
 public void setWorkspaceOptions(WorkspaceInformationRecord wir)
 {
     fromWorkspaceOptions = wir;
 }
 /**
  * Accessor for the workspace options
  *
  * @param wo the workspace options
  */
 public void setWorkspaceOptions(WorkspaceInformationRecord wo)
 {
     if (wo != null)
         {
         workspaceOptions = wo;
         }
 }
 /**
  * Creates a new <code>SheetWriter</code> instance.
  *
  * @param of the output file
  */
 public SheetWriter(File of,
     WritableSheetImpl wsi,
     WorkbookSettings ws)
 {
     outputFile = of;
     sheet = wsi;
     workspaceOptions = new WorkspaceInformationRecord();
     workbookSettings = ws;
     chartOnly = false;
     drawingWriter = new SheetDrawingWriter(ws);
 }
        /**
         * Reads in the contents of this sheet
         */
        public void read()
        {
            Record r = null;
            BaseSharedFormulaRecord sharedFormula = null;
            bool sharedFormulaAdded = false;

            bool cont = true;

            // Set the position within the file
            excelFile.setPos(startPosition);

            // Handles to the last drawing and obj records
            MsoDrawingRecord msoRecord = null;
            ObjRecord objRecord = null;
            bool firstMsoRecord = true;

            // Handle to the last conditional format record
            ConditionalFormat condFormat = null;

            // Handle to the autofilter records
            FilterModeRecord filterMode = null;
            AutoFilterInfoRecord autoFilterInfo = null;

            // A handle to window2 record
            Window2Record window2Record = null;

            // A handle to printgridlines record
            PrintGridLinesRecord printGridLinesRecord = null;

            // A handle to printheaders record
            PrintHeadersRecord printHeadersRecord = null;

            // Hash map of comments, indexed on objectId.  As each corresponding
            // note record is encountered, these are removed from the array
            Dictionary<uint,Comment> comments = new Dictionary<uint,Comment>();

            // A list of object ids - used for cross referencing
            ArrayList objectIds = new ArrayList();

            // A handle to a continue record read in
            ContinueRecord continueRecord = null;

            while (cont)
                {
                r = excelFile.next();
                Type type = r.getType();

                if (type == Type.UNKNOWN && r.getCode() == 0)
                    {
                    //logger.warn("Biff code zero found");

                    // Try a dimension record
                    if (r.getLength() == 0xa)
                        {
                        //logger.warn("Biff code zero found - trying a dimension record.");
                        r.setType(Type.DIMENSION);
                        }
                    else
                        {
                        //logger.warn("Biff code zero found - Ignoring.");
                        }
                    }

                if (type == Type.DIMENSION)
                    {
                    DimensionRecord dr = null;

                    if (workbookBof.isBiff8())
                        {
                        dr = new DimensionRecord(r);
                        }
                    else
                        {
                        dr = new DimensionRecord(r, DimensionRecord.biff7);
                        }
                    numRows = dr.getNumberOfRows();
                    numCols = dr.getNumberOfColumns();
                    cells = new Cell[numRows, numCols];
                    }
                else if (type == Type.LABELSST)
                    {
                    LabelSSTRecord label = new LabelSSTRecord(r,
                                                              sharedStrings,
                                                              formattingRecords,
                                                              sheet);
                    addCell(label);
                    }
                else if (type == Type.RK || type == Type.RK2)
                    {
                    RKRecord rkr = new RKRecord(r, formattingRecords, sheet);

                    if (formattingRecords.isDate(rkr.getXFIndex()))
                        {
                        DateCell dc = new DateRecord
                          (rkr, rkr.getXFIndex(), formattingRecords, nineteenFour, sheet);
                        addCell(dc);
                        }
                    else
                        {
                        addCell(rkr);
                        }
                    }
                else if (type == Type.HLINK)
                    {
                    HyperlinkRecord hr = new HyperlinkRecord(r, sheet, workbookSettings);
                    hyperlinks.Add(hr);
                    }
                else if (type == Type.MERGEDCELLS)
                    {
                    MergedCellsRecord mc = new MergedCellsRecord(r, sheet);
                    if (mergedCells == null)
                        {
                        mergedCells = mc.getRanges();
                        }
                    else
                        {
                        Range[] newMergedCells =
                          new Range[mergedCells.Length + mc.getRanges().Length];
                        System.Array.Copy(mergedCells, 0, newMergedCells, 0,
                                         mergedCells.Length);
                        System.Array.Copy(mc.getRanges(),
                                         0,
                                         newMergedCells, mergedCells.Length,
                                         mc.getRanges().Length);
                        mergedCells = newMergedCells;
                        }
                    }
                else if (type == Type.MULRK)
                    {
                    MulRKRecord mulrk = new MulRKRecord(r);

                    // Get the individual cell records from the multiple record
                    int num = mulrk.getNumberOfColumns();
                    int ixf = 0;
                    for (int i = 0; i < num; i++)
                        {
                        ixf = mulrk.getXFIndex(i);

                        NumberValue nv = new NumberValue
                          (mulrk.getRow(),
                           mulrk.getFirstColumn() + i,
                           RKHelper.getDouble(mulrk.getRKNumber(i)),
                           ixf,
                           formattingRecords,
                           sheet);

                        if (formattingRecords.isDate(ixf))
                            {
                            DateCell dc = new DateRecord(nv,
                                                         ixf,
                                                         formattingRecords,
                                                         nineteenFour,
                                                         sheet);
                            addCell(dc);
                            }
                        else
                            {
                            nv.setNumberFormat(formattingRecords.getNumberFormat(ixf));
                            addCell(nv);
                            }
                        }
                    }
                else if (type == Type.NUMBER)
                    {
                    NumberRecord nr = new NumberRecord(r, formattingRecords, sheet);

                    if (formattingRecords.isDate(nr.getXFIndex()))
                        {
                        DateCell dc = new DateRecord(nr,nr.getXFIndex(),formattingRecords,nineteenFour, sheet);
                        addCell(dc);
                        }
                    else
                        addCell(nr);
                    }
                else if (type == Type.BOOLERR)
                    {
                    BooleanRecord br = new BooleanRecord(r, formattingRecords, sheet);

                    if (br.isError())
                        {
                        ErrorRecord er = new ErrorRecord(br.getRecord(), formattingRecords,
                                                         sheet);
                        addCell(er);
                        }
                    else
                        {
                        addCell(br);
                        }
                    }
                else if (type == Type.PRINTGRIDLINES)
                    {
                    printGridLinesRecord = new PrintGridLinesRecord(r);
                    settings.setPrintGridLines(printGridLinesRecord.getPrintGridLines());
                    }
                else if (type == Type.PRINTHEADERS)
                    {
                    printHeadersRecord = new PrintHeadersRecord(r);
                    settings.setPrintHeaders(printHeadersRecord.getPrintHeaders());
                    }
                else if (type == Type.WINDOW2)
                    {
                    window2Record = null;

                    if (workbookBof.isBiff8())
                        {
                        window2Record = new Window2Record(r);
                        }
                    else
                        {
                        window2Record = new Window2Record(r, Window2Record.biff7);
                        }

                    settings.setShowGridLines(window2Record.getShowGridLines());
                    settings.setDisplayZeroValues(window2Record.getDisplayZeroValues());
                    settings.setSelected(true);
                    settings.setPageBreakPreviewMode(window2Record.isPageBreakPreview());
                    }
                else if (type == Type.PANE)
                    {
                    PaneRecord pr = new PaneRecord(r);

                    if (window2Record != null &&
                        window2Record.getFrozen())
                        {
                        settings.setVerticalFreeze(pr.getRowsVisible());
                        settings.setHorizontalFreeze(pr.getColumnsVisible());
                        }
                    }
                else if (type == Type.CONTINUE)
                    {
                    // don't know what this is for, but keep hold of it anyway
                    continueRecord = new ContinueRecord(r);
                    }
                else if (type == Type.NOTE)
                    {
                    if (!workbookSettings.getDrawingsDisabled())
                        {
                        NoteRecord nr = new NoteRecord(r);

                        // Get the comment for the object id
                        if (!comments.ContainsKey(nr.getObjectId()))
                            {
                            //logger.warn(" cannot find comment for note id " + nr.getObjectId() + "...ignoring");
                            }
                        else
                            {
                            Comment comment = comments[nr.getObjectId()];
                            comments.Remove(nr.getObjectId());

                            comment.setNote(nr);
                            drawings.Add(comment);
                            addCellComment(comment.getColumn(),
                                           comment.getRow(),
                                           comment.getText(),
                                           comment.getWidth(),
                                           comment.getHeight());
                            }
                        }
                    }
                else if (type == Type.ARRAY)
                    {
                    ;
                    }
                else if (type == Type.PROTECT)
                    {
                    ProtectRecord pr = new ProtectRecord(r);
                    settings.setProtected(pr.isProtected());
                    }
                else if (type == Type.SHAREDFORMULA)
                    {
                    if (sharedFormula == null)
                        {
                        //logger.warn("Shared template formula is null - " +
                        //            "trying most recent formula template");
                        SharedFormulaRecord lastSharedFormula = (SharedFormulaRecord)sharedFormulas[sharedFormulas.Count - 1];

                        if (lastSharedFormula != null)
                            sharedFormula = lastSharedFormula.getTemplateFormula();
                        }

                    SharedFormulaRecord sfr = new SharedFormulaRecord(r, sharedFormula, workbook, workbook, sheet);
                    sharedFormulas.Add(sfr);
                    sharedFormula = null;
                    }
                else if (type == Type.FORMULA || type == Type.FORMULA2)
                    {
                    FormulaRecord fr = new FormulaRecord(r,
                                                         excelFile,
                                                         formattingRecords,
                                                         workbook,
                                                         workbook,
                                                         sheet,
                                                         workbookSettings);

                    if (fr.isShared())
                        {
                        BaseSharedFormulaRecord prevSharedFormula = sharedFormula;
                        sharedFormula = (BaseSharedFormulaRecord)fr.getFormula();

                        // See if it fits in any of the shared formulas
                        sharedFormulaAdded = addToSharedFormulas(sharedFormula);

                        if (sharedFormulaAdded)
                            {
                            sharedFormula = prevSharedFormula;
                            }

                        // If we still haven't added the previous base shared formula,
                        // revert it to an ordinary formula and add it to the cell
                        if (!sharedFormulaAdded && prevSharedFormula != null)
                            {
                            // Do nothing.  It's possible for the biff file to contain the
                            // record sequence
                            // FORMULA-SHRFMLA-FORMULA-SHRFMLA-FORMULA-FORMULA-FORMULA
                            // ie. it first lists all the formula templates, then it
                            // lists all the individual formulas
                            addCell(revertSharedFormula(prevSharedFormula));
                            }
                        }
                    else
                        {
                        Cell cell = fr.getFormula();
                        try
                            {
                            // See if the formula evaluates to date
                            if (fr.getFormula().getType() == CellType.NUMBER_FORMULA)
                                {
                                NumberFormulaRecord nfr = (NumberFormulaRecord)fr.getFormula();
                                if (formattingRecords.isDate(nfr.getXFIndex()))
                                    {
                                    cell = new DateFormulaRecord(nfr,
                                                                 formattingRecords,
                                                                 workbook,
                                                                 workbook,
                                                                 nineteenFour,
                                                                 sheet);
                                    }
                                }

                            addCell(cell);
                            }
                        catch (FormulaException e)
                            {
                            // Something has gone wrong trying to read the formula data eg. it
                            // might be unsupported biff7 data
                            //logger.warn(CellReferenceHelper.getCellReference(cell.getColumn(), cell.getRow()) + " " + e.Message);
                            }
                        }
                    }
                else if (type == Type.LABEL)
                    {
                    LabelRecord lr = null;

                    if (workbookBof.isBiff8())
                        {
                        lr = new LabelRecord(r, formattingRecords, sheet, workbookSettings);
                        }
                    else
                        {
                        lr = new LabelRecord(r, formattingRecords, sheet, workbookSettings,
                                             LabelRecord.biff7);
                        }
                    addCell(lr);
                    }
                else if (type == Type.RSTRING)
                    {
                    RStringRecord lr = null;

                    // RString records are obsolete in biff 8
                    Assert.verify(!workbookBof.isBiff8());
                    lr = new RStringRecord(r, formattingRecords,
                                           sheet, workbookSettings,
                                           RStringRecord.biff7);
                    addCell(lr);
                    }
                else if (type == Type.NAME)
                    {
                    ;
                    }
                else if (type == Type.PASSWORD)
                    {
                    PasswordRecord pr = new PasswordRecord(r);
                    settings.setPasswordHash(pr.getPasswordHash());
                    }
                else if (type == Type.ROW)
                    {
                    RowRecord rr = new RowRecord(r);

                    // See if the row has anything funny about it
                    if (!rr.isDefaultHeight() ||
                        !rr.matchesDefaultFontHeight() ||
                        rr.isCollapsed() ||
                        rr.hasDefaultFormat() ||
                        rr.getOutlineLevel() != 0)
                        {
                        rowProperties.Add(rr);
                        }
                    }
                else if (type == Type.BLANK)
                    {
                    if (!workbookSettings.getIgnoreBlanks())
                        {
                        BlankCell bc = new BlankCell(r, formattingRecords, sheet);
                        addCell(bc);
                        }
                    }
                else if (type == Type.MULBLANK)
                    {
                    if (!workbookSettings.getIgnoreBlanks())
                        {
                        MulBlankRecord mulblank = new MulBlankRecord(r);

                        // Get the individual cell records from the multiple record
                        int num = mulblank.getNumberOfColumns();

                        for (int i = 0; i < num; i++)
                            {
                            int ixf = mulblank.getXFIndex(i);

                            MulBlankCell mbc = new MulBlankCell
                              (mulblank.getRow(),
                               mulblank.getFirstColumn() + i,
                               ixf,
                               formattingRecords,
                               sheet);

                            addCell(mbc);
                            }
                        }
                    }
                else if (type == Type.SCL)
                    {
                    SCLRecord scl = new SCLRecord(r);
                    settings.setZoomFactor(scl.getZoomFactor());
                    }
                else if (type == Type.COLINFO)
                    {
                    ColumnInfoRecord cir = new ColumnInfoRecord(r);
                    columnInfosArray.Add(cir);
                    }
                else if (type == Type.HEADER)
                    {
                    HeaderRecord hr = null;
                    if (workbookBof.isBiff8())
                        hr = new HeaderRecord(r, workbookSettings);
                    else
                        hr = new HeaderRecord(r, workbookSettings, HeaderRecord.biff7);

                    HeaderFooter header = new HeaderFooter(hr.getHeader());
                    settings.setHeader(header);
                    }
                else if (type == Type.FOOTER)
                    {
                    FooterRecord fr = null;
                    if (workbookBof.isBiff8())
                        {
                        fr = new FooterRecord(r, workbookSettings);
                        }
                    else
                        {
                        fr = new FooterRecord(r, workbookSettings, FooterRecord.biff7);
                        }

                    HeaderFooter footer = new HeaderFooter(fr.getFooter());
                    settings.setFooter(footer);
                    }
                else if (type == Type.SETUP)
                    {
                    SetupRecord sr = new SetupRecord(r);

                    // If the setup record has its not initialized bit set, then
                    // use the sheet settings default values
                    if (sr.getInitialized())
                        {
                        if (sr.isPortrait())
                            {
                            settings.setOrientation(PageOrientation.PORTRAIT);
                            }
                        else
                            {
                            settings.setOrientation(PageOrientation.LANDSCAPE);
                            }
                        if (sr.isRightDown())
                            {
                            settings.setPageOrder(PageOrder.RIGHT_THEN_DOWN);
                            }
                        else
                            {
                            settings.setPageOrder(PageOrder.DOWN_THEN_RIGHT);
                            }
                        settings.setPaperSize(PaperSize.getPaperSize(sr.getPaperSize()));
                        settings.setHeaderMargin(sr.getHeaderMargin());
                        settings.setFooterMargin(sr.getFooterMargin());
                        settings.setScaleFactor(sr.getScaleFactor());
                        settings.setPageStart(sr.getPageStart());
                        settings.setFitWidth(sr.getFitWidth());
                        settings.setFitHeight(sr.getFitHeight());
                        settings.setHorizontalPrintResolution
                          (sr.getHorizontalPrintResolution());
                        settings.setVerticalPrintResolution(sr.getVerticalPrintResolution());
                        settings.setCopies(sr.getCopies());

                        if (workspaceOptions != null)
                            {
                            settings.setFitToPages(workspaceOptions.getFitToPages());
                            }
                        }
                    }
                else if (type == Type.WSBOOL)
                    {
                    workspaceOptions = new WorkspaceInformationRecord(r);
                    }
                else if (type == Type.DEFCOLWIDTH)
                    {
                    DefaultColumnWidthRecord dcwr = new DefaultColumnWidthRecord(r);
                    settings.setDefaultColumnWidth(dcwr.getWidth());
                    }
                else if (type == Type.DEFAULTROWHEIGHT)
                    {
                    DefaultRowHeightRecord drhr = new DefaultRowHeightRecord(r);
                    if (drhr.getHeight() != 0)
                        {
                        settings.setDefaultRowHeight(drhr.getHeight());
                        }
                    }
                else if (type == Type.CONDFMT)
                    {
                    ConditionalFormatRangeRecord cfrr =
                      new ConditionalFormatRangeRecord(r);
                    condFormat = new ConditionalFormat(cfrr);
                    conditionalFormats.Add(condFormat);
                    }
                else if (type == Type.CF)
                    {
                    ConditionalFormatRecord cfr = new ConditionalFormatRecord(r);
                    condFormat.addCondition(cfr);
                    }
                else if (type == Type.FILTERMODE)
                    {
                    filterMode = new FilterModeRecord(r);
                    }
                else if (type == Type.AUTOFILTERINFO)
                    {
                    autoFilterInfo = new AutoFilterInfoRecord(r);
                    }
                else if (type == Type.AUTOFILTER)
                    {
                    if (!workbookSettings.getAutoFilterDisabled())
                        {
                        AutoFilterRecord af = new AutoFilterRecord(r);

                        if (autoFilter == null)
                            {
                            autoFilter = new AutoFilter(filterMode, autoFilterInfo);
                            filterMode = null;
                            autoFilterInfo = null;
                            }

                        autoFilter.add(af);
                        }
                    }
                else if (type == Type.LEFTMARGIN)
                    {
                    MarginRecord m = new LeftMarginRecord(r);
                    settings.setLeftMargin(m.getMargin());
                    }
                else if (type == Type.RIGHTMARGIN)
                    {
                    MarginRecord m = new RightMarginRecord(r);
                    settings.setRightMargin(m.getMargin());
                    }
                else if (type == Type.TOPMARGIN)
                    {
                    MarginRecord m = new TopMarginRecord(r);
                    settings.setTopMargin(m.getMargin());
                    }
                else if (type == Type.BOTTOMMARGIN)
                    {
                    MarginRecord m = new BottomMarginRecord(r);
                    settings.setBottomMargin(m.getMargin());
                    }
                else if (type == Type.HORIZONTALPAGEBREAKS)
                    {
                    HorizontalPageBreaksRecord dr = null;

                    if (workbookBof.isBiff8())
                        {
                        dr = new HorizontalPageBreaksRecord(r);
                        }
                    else
                        {
                        dr = new HorizontalPageBreaksRecord
                          (r, HorizontalPageBreaksRecord.biff7);
                        }
                    rowBreaks = dr.getRowBreaks();
                    }
                else if (type == Type.VERTICALPAGEBREAKS)
                    {
                    VerticalPageBreaksRecord dr = null;

                    if (workbookBof.isBiff8())
                        {
                        dr = new VerticalPageBreaksRecord(r);
                        }
                    else
                        {
                        dr = new VerticalPageBreaksRecord
                          (r, VerticalPageBreaksRecord.biff7);
                        }
                    columnBreaks = dr.getColumnBreaks();
                    }
                else if (type == Type.PLS)
                    {
                    plsRecord = new PLSRecord(r);

                    // Check for Continue records
                    while (excelFile.peek().getType() == Type.CONTINUE)
                        {
                        r.addContinueRecord(excelFile.next());
                        }
                    }
                else if (type == Type.DVAL)
                    {
                    if (!workbookSettings.getCellValidationDisabled())
                        {
                        DataValidityListRecord dvlr = new DataValidityListRecord(r);
                        if (dvlr.getObjectId() == DataValidation.DEFAULT_OBJECT_ID)
                            {
                            if (msoRecord != null && objRecord == null)
                                {
                                // there is a drop down associated with this data validation
                                if (drawingData == null)
                                    drawingData = new DrawingData();

                                Drawing2 d2 = new Drawing2(msoRecord, drawingData,
                                                           workbook.getDrawingGroup());
                                drawings.Add(d2);
                                msoRecord = null;

                                dataValidation = new DataValidation(dvlr);
                                }
                            else
                                {
                                // no drop down
                                dataValidation = new DataValidation(dvlr);
                                }
                            }
                        else if (objectIds.Contains(dvlr.getObjectId()))
                            dataValidation = new DataValidation(dvlr);
                        else
                            {
                            //logger.warn("object id " + dvlr.getObjectId() + " referenced " +
                            //            " by data validity list record not found - ignoring");
                            }
                        }
                    }
                else if (type == Type.HCENTER)
                    {
                    CentreRecord hr = new CentreRecord(r);
                    settings.setHorizontalCentre(hr.isCentre());
                    }
                else if (type == Type.VCENTER)
                    {
                    CentreRecord vc = new CentreRecord(r);
                    settings.setVerticalCentre(vc.isCentre());
                    }
                else if (type == Type.DV)
                    {
                    if (!workbookSettings.getCellValidationDisabled())
                        {
                        DataValiditySettingsRecord dvsr =
                          new DataValiditySettingsRecord(r,
                                                         workbook,
                                                         workbook,
                                                         workbook.getSettings());
                        if (dataValidation != null)
                            {
                            dataValidation.add(dvsr);
                            addCellValidation(dvsr.getFirstColumn(),
                                              dvsr.getFirstRow(),
                                              dvsr.getLastColumn(),
                                              dvsr.getLastRow(),
                                              dvsr);
                            }
                        else
                            {
                            //logger.warn("cannot add data validity settings");
                            }
                        }
                    }
                else if (type == Type.OBJ)
                    {
                    objRecord = new ObjRecord(r);

                    if (!workbookSettings.getDrawingsDisabled())
                        {
                        // sometimes excel writes out continue records instead of drawing
                        // records, so forcibly hack the stashed continue record into
                        // a drawing record
                        if (msoRecord == null && continueRecord != null)
                            {
                            //logger.warn("Cannot find drawing record - using continue record");
                            msoRecord = new MsoDrawingRecord(continueRecord.getRecord());
                            continueRecord = null;
                            }
                        handleobjectRecord(objRecord, msoRecord, comments);
                        objectIds.Add((objRecord.getObjectId()));
                        }

                    // Save chart handling until the chart BOF record appears
                    if (objRecord.getType() != ObjRecord.CHART)
                        {
                        objRecord = null;
                        msoRecord = null;
                        }
                    }
                else if (type == Type.MSODRAWING)
                    {
                    if (!workbookSettings.getDrawingsDisabled())
                        {
                        if (msoRecord != null)
                            {
                            // For form controls, a rogue MSODRAWING record can crop up
                            // after the main one.  Add these into the drawing data
                            drawingData.addRawData(msoRecord.getData());
                            }
                        msoRecord = new MsoDrawingRecord(r);

                        if (firstMsoRecord)
                            {
                            msoRecord.setFirst();
                            firstMsoRecord = false;
                            }
                        }
                    }
                else if (type == Type.BUTTONPROPERTYSET)
                    {
                    buttonPropertySet = new ButtonPropertySetRecord(r);
                    }
                else if (type == Type.CALCMODE)
                    {
                    CalcModeRecord cmr = new CalcModeRecord(r);
                    settings.setAutomaticFormulaCalculation(cmr.isAutomatic());
                    }
                else if (type == Type.SAVERECALC)
                    {
                    SaveRecalcRecord cmr = new SaveRecalcRecord(r);
                    settings.setRecalculateFormulasBeforeSave(cmr.getRecalculateOnSave());
                    }
                else if (type == Type.GUTS)
                    {
                    GuttersRecord gr = new GuttersRecord(r);
                    maxRowOutlineLevel =
                      gr.getRowOutlineLevel() > 0 ? gr.getRowOutlineLevel() - 1 : 0;
                    maxColumnOutlineLevel =
                      gr.getColumnOutlineLevel() > 0 ? gr.getRowOutlineLevel() - 1 : 0;
                    }
                else if (type == Type.BOF)
                    {
                    BOFRecord br = new BOFRecord(r);
                    Assert.verify(!br.isWorksheet());

                    int startpos = excelFile.getPos() - r.getLength() - 4;

                    // Skip to the end of the nested bof
                    // Thanks to Rohit for spotting this
                    Record r2 = excelFile.next();
                    while (r2.getCode() != Type.EOF.value)
                        r2 = excelFile.next();

                    if (br.isChart())
                        {
                        if (!workbook.getWorkbookBof().isBiff8())
                            {
                            //logger.warn("only biff8 charts are supported");
                            }
                        else
                            {
                            if (drawingData == null)
                                drawingData = new DrawingData();

                            if (!workbookSettings.getDrawingsDisabled())
                                {
                                Chart chart = new Chart(msoRecord, objRecord, drawingData,
                                                        startpos, excelFile.getPos(),
                                                        excelFile, workbookSettings);
                                charts.Add(chart);

                                if (workbook.getDrawingGroup() != null)
                                    workbook.getDrawingGroup().add(chart);
                                }
                            }

                        // Reset the drawing records
                        msoRecord = null;
                        objRecord = null;
                        }

                    // If this worksheet is just a chart, then the EOF reached
                    // represents the end of the sheet as well as the end of the chart
                    if (sheetBof.isChart())
                        cont = false;
                    }
                else if (type == Type.EOF)
                    cont = false;
                }

            // Restore the file to its accurate position
            excelFile.restorePos();

            // Add any out of bounds cells
            if (outOfBoundsCells.Count > 0)
                handleOutOfBoundsCells();

            // Add all the shared formulas to the sheet as individual formulas
            foreach (SharedFormulaRecord sfr in sharedFormulas)
                {
                Cell[] sfnr = sfr.getFormulas(formattingRecords, nineteenFour);

                for (int sf = 0; sf < sfnr.Length; sf++)
                    addCell(sfnr[sf]);
                }

            // If the last base shared formula wasn't added to the sheet, then
            // revert it to an ordinary formula and add it
            if (!sharedFormulaAdded && sharedFormula != null)
                addCell(revertSharedFormula(sharedFormula));

            // If there is a stray msoDrawing record, then flag to the drawing group
            // that one has been omitted
            if (msoRecord != null && workbook.getDrawingGroup() != null)
                workbook.getDrawingGroup().setDrawingsOmitted(msoRecord, objRecord);

            // Check that the comments hash is empty
            if (comments.Count != 0)
                {
                //logger.warn("Not all comments have a corresponding Note record");
                }
        }