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/* ====================================================================
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   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
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package org.apache.poi.hssf.model;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.apache.poi.hssf.record.*;
import org.apache.poi.hssf.record.aggregates.ChartSubstreamRecordAggregate;
import org.apache.poi.hssf.record.aggregates.ColumnInfoRecordsAggregate;
import org.apache.poi.hssf.record.aggregates.ConditionalFormattingTable;
import org.apache.poi.hssf.record.aggregates.CustomViewSettingsRecordAggregate;
import org.apache.poi.hssf.record.aggregates.DataValidityTable;
import org.apache.poi.hssf.record.aggregates.MergedCellsTable;
import org.apache.poi.hssf.record.aggregates.PageSettingsBlock;
import org.apache.poi.hssf.record.aggregates.RecordAggregate;
import org.apache.poi.hssf.record.aggregates.RecordAggregate.PositionTrackingVisitor;
import org.apache.poi.hssf.record.aggregates.RecordAggregate.RecordVisitor;
import org.apache.poi.hssf.record.aggregates.RowRecordsAggregate;
import org.apache.poi.hssf.record.aggregates.WorksheetProtectionBlock;
import org.apache.poi.ss.formula.FormulaShifter;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.PaneInformation;
import org.apache.poi.util.Internal;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
import org.apache.poi.util.RecordFormatException;

/**
 * Low level model implementation of a Sheet (one workbook contains many sheets)
 * This file contains the low level binary records starting at the sheets BOF and
 * ending with the sheets EOF.  Use HSSFSheet for a high level representation.
 * 

* The structures of the highlevel API use references to this to perform most of their * operations. Its probably unwise to use these low level structures directly unless you * really know what you're doing. I recommend you read the Microsoft Excel 97 Developer's * Kit (Microsoft Press) and the documentation at http://sc.openoffice.org/excelfileformat.pdf * before even attempting to use this. * * @see org.apache.poi.hssf.model.InternalWorkbook * @see org.apache.poi.hssf.usermodel.HSSFSheet */ @Internal public final class InternalSheet { public static final short LeftMargin = 0; public static final short RightMargin = 1; public static final short TopMargin = 2; public static final short BottomMargin = 3; private static POILogger log = POILogFactory.getLogger(InternalSheet.class); private List _records; protected PrintGridlinesRecord printGridlines; protected PrintHeadersRecord printHeaders; protected GridsetRecord gridset; private GutsRecord _gutsRecord; protected DefaultColWidthRecord defaultcolwidth = new DefaultColWidthRecord(); protected DefaultRowHeightRecord defaultrowheight = new DefaultRowHeightRecord(); private PageSettingsBlock _psBlock; /** * 'Worksheet Protection Block'
* Aggregate object is always present, but possibly empty. */ private final WorksheetProtectionBlock _protectionBlock = new WorksheetProtectionBlock(); protected WindowTwoRecord windowTwo; protected SelectionRecord _selection; /** java object always present, but if empty no BIFF records are written */ private final MergedCellsTable _mergedCellsTable; /** always present in this POI object, not always written to Excel file */ /*package*/ColumnInfoRecordsAggregate _columnInfos; /** the DimensionsRecord is always present */ private DimensionsRecord _dimensions; /** always present */ protected final RowRecordsAggregate _rowsAggregate; private DataValidityTable _dataValidityTable; private ConditionalFormattingTable condFormatting; private Iterator rowRecIterator; /** Add an UncalcedRecord if not true indicating formulas have not been calculated */ protected boolean _isUncalced; public static final byte PANE_LOWER_RIGHT = (byte)0; public static final byte PANE_UPPER_RIGHT = (byte)1; public static final byte PANE_LOWER_LEFT = (byte)2; public static final byte PANE_UPPER_LEFT = (byte)3; /** * read support (offset used as starting point for search) for low level * API. Pass in an array of Record objects, the sheet number (0 based) and * a record offset (should be the location of the sheets BOF record). A Sheet * object is constructed and passed back with all of its initialization set * to the passed in records and references to those records held. This function * is normally called via Workbook. * * @param rs the stream to read records from * * @return Sheet object with all values set to those read from the file * * @see org.apache.poi.hssf.model.InternalWorkbook * @see org.apache.poi.hssf.record.Record */ public static InternalSheet createSheet(RecordStream rs) { return new InternalSheet(rs); } private InternalSheet(RecordStream rs) { _mergedCellsTable = new MergedCellsTable(); RowRecordsAggregate rra = null; List records = new ArrayList<>(128); _records = records; // needed here due to calls to findFirstRecordLocBySid before we're done int dimsloc = -1; if (rs.peekNextSid() != BOFRecord.sid) { throw new RecordFormatException("BOF record expected"); } BOFRecord bof = (BOFRecord) rs.getNext(); if (bof.getType() == BOFRecord.TYPE_WORKSHEET) { // Good, well supported } else if (bof.getType() == BOFRecord.TYPE_CHART || bof.getType() == BOFRecord.TYPE_EXCEL_4_MACRO) { // These aren't really typical sheets... Let it go though, // we can handle them roughly well enough as a "normal" one } else { // Not a supported type // Skip onto the EOF, then complain while (rs.hasNext()) { Record rec = rs.getNext(); if (rec instanceof EOFRecord) { break; } } throw new UnsupportedBOFType(bof.getType()); } records.add(bof); while (rs.hasNext()) { int recSid = rs.peekNextSid(); if ( recSid == CFHeaderRecord.sid || recSid == CFHeader12Record.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 RecordFormatException("row/cell records found in the wrong place"); } RowBlocksReader rbr = new RowBlocksReader(rs); _mergedCellsTable.addRecords(rbr.getLooseMergedCells()); rra = new RowRecordsAggregate(rbr.getPlainRecordStream(), rbr.getSharedFormulaManager()); 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.size(); } 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 == PrintHeadersRecord.sid ) { printHeaders = (PrintHeadersRecord) 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 == GutsRecord.sid ) { _gutsRecord = (GutsRecord) rec; } records.add(rec); } if (windowTwo == null) { throw new RecordFormatException("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 { if (log.check(POILogger.WARN)) { 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.add(dimsloc, _dimensions); } if (rra == null) { rra = new RowRecordsAggregate(); records.add(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"); } private static void spillAggregate(RecordAggregate ra, final List recs) { ra.visitContainedRecords(new RecordVisitor() { public void visitRecord(Record r) { recs.add(r); }}); } public static class UnsupportedBOFType extends RecordFormatException { private final int type; protected UnsupportedBOFType(int type) { super("BOF not of a supported type, found " + type); this.type = type; } public int getType() { return type; } } private static final class RecordCloner implements RecordVisitor { private final List _destList; public RecordCloner(List destList) { _destList = destList; } public void visitRecord(Record r) { try { _destList.add((Record)r.clone()); } catch (CloneNotSupportedException e) { throw new RecordFormatException(e); } } } /** * Clones the low level records of this sheet and returns the new sheet instance. * This method is implemented by adding methods for deep cloning to all records that * can be added to a sheet. The Record object does not implement cloneable. * When adding a new record, implement a public clone method if and only if the record * belongs to a sheet. * * @return the cloned sheet */ public InternalSheet cloneSheet() { List clonedRecords = new ArrayList<>(_records.size()); for (int i = 0; i < _records.size(); i++) { RecordBase rb = _records.get(i); if (rb instanceof RecordAggregate) { ((RecordAggregate) rb).visitContainedRecords(new RecordCloner(clonedRecords)); continue; } if (rb instanceof EscherAggregate){ /** * this record will be removed after reading actual data from EscherAggregate */ rb = new DrawingRecord(); } try { Record rec = (Record) ((Record) rb).clone(); clonedRecords.add(rec); } catch (CloneNotSupportedException e) { throw new RecordFormatException(e); } } return createSheet(new RecordStream(clonedRecords, 0)); } /** * Creates a sheet with all the usual records minus values and the "index" * record (not required). Sets the location pointer to where the first value * records should go. Use this to create a sheet from "scratch". * * @return Sheet object with all values set to defaults */ public static InternalSheet createSheet() { return new InternalSheet(); } private InternalSheet() { _mergedCellsTable = new MergedCellsTable(); List records = new ArrayList<>(32); if (log.check( POILogger.DEBUG )) log.log(POILogger.DEBUG, "Sheet createsheet from scratch called"); records.add(createBOF()); records.add(createCalcMode()); records.add(createCalcCount() ); records.add(createRefMode() ); records.add(createIteration() ); records.add(createDelta() ); records.add(createSaveRecalc() ); printHeaders = createPrintHeaders(); records.add(printHeaders); printGridlines = createPrintGridlines(); records.add( printGridlines ); gridset = createGridset(); records.add( gridset ); _gutsRecord = createGuts(); records.add( _gutsRecord ); defaultrowheight = createDefaultRowHeight(); records.add( defaultrowheight ); records.add( createWSBool() ); // 'Page Settings Block' _psBlock = new PageSettingsBlock(); records.add(_psBlock); // 'Worksheet Protection Block' (after 'Page Settings Block' and before DEFCOLWIDTH) records.add(_protectionBlock); // initially empty defaultcolwidth = createDefaultColWidth(); records.add( defaultcolwidth); ColumnInfoRecordsAggregate columns = new ColumnInfoRecordsAggregate(); records.add( columns ); _columnInfos = columns; _dimensions = createDimensions(); records.add(_dimensions); _rowsAggregate = new RowRecordsAggregate(); records.add(_rowsAggregate); // 'Sheet View Settings' records.add(windowTwo = createWindowTwo()); _selection = createSelection(); records.add(_selection); records.add(_mergedCellsTable); // MCT comes after 'Sheet View Settings' records.add(EOFRecord.instance); _records = records; if (log.check( POILogger.DEBUG )) log.log(POILogger.DEBUG, "Sheet createsheet from scratch exit"); } public RowRecordsAggregate getRowsAggregate() { return _rowsAggregate; } private MergedCellsTable getMergedRecords() { // always present return _mergedCellsTable; } /** * Updates formulas in cells and conditional formats due to moving of cells * * @param shifter the formular shifter * @param externSheetIndex the externSheet index of this sheet */ public void updateFormulasAfterCellShift(FormulaShifter shifter, int externSheetIndex) { getRowsAggregate().updateFormulasAfterRowShift(shifter, externSheetIndex); if (condFormatting != null) { getConditionalFormattingTable().updateFormulasAfterCellShift(shifter, externSheetIndex); } // TODO - adjust data validations } public int addMergedRegion(int rowFrom, int colFrom, int rowTo, int colTo) { // Validate input if (rowTo < rowFrom) { throw new IllegalArgumentException("The 'to' row (" + rowTo + ") must not be less than the 'from' row (" + rowFrom + ")"); } if (colTo < colFrom) { throw new IllegalArgumentException("The 'to' col (" + colTo + ") must not be less than the 'from' col (" + colFrom + ")"); } MergedCellsTable mrt = getMergedRecords(); mrt.addArea(rowFrom, colFrom, rowTo, colTo); return mrt.getNumberOfMergedRegions()-1; } public void removeMergedRegion(int index) { //safety checks MergedCellsTable mrt = getMergedRecords(); if (index >= mrt.getNumberOfMergedRegions()) { return; } mrt.remove(index); } public CellRangeAddress getMergedRegionAt(int index) { //safety checks MergedCellsTable mrt = getMergedRecords(); if (index >= mrt.getNumberOfMergedRegions()) { return null; } return mrt.get(index); } public int getNumMergedRegions() { return getMergedRecords().getNumberOfMergedRegions(); } public ConditionalFormattingTable getConditionalFormattingTable() { if (condFormatting == null) { condFormatting = new ConditionalFormattingTable(); RecordOrderer.addNewSheetRecord(_records, condFormatting); } return condFormatting; } /** * Per an earlier reported bug in working with Andy Khan's excel read library. This * sets the values in the sheet's DimensionsRecord object to be correct. Excel doesn't * really care, but we want to play nice with other libraries. * * @param firstrow the first row index * @param firstcol the first column index * @param lastrow the last row index * @param lastcol the last column index * * @see org.apache.poi.hssf.record.DimensionsRecord */ public void setDimensions(int firstrow, short firstcol, int lastrow, short lastcol) { if (log.check( POILogger.DEBUG )) { log.log(POILogger.DEBUG, "Sheet.setDimensions"); log.log(POILogger.DEBUG, (new StringBuffer("firstrow")).append(firstrow) .append("firstcol").append(firstcol).append("lastrow") .append(lastrow).append("lastcol").append(lastcol) .toString()); } _dimensions.setFirstCol(firstcol); _dimensions.setFirstRow(firstrow); _dimensions.setLastCol(lastcol); _dimensions.setLastRow(lastrow); if (log.check( POILogger.DEBUG )) log.log(POILogger.DEBUG, "Sheet.setDimensions exiting"); } public void visitContainedRecords(RecordVisitor rv, int offset) { PositionTrackingVisitor ptv = new PositionTrackingVisitor(rv, offset); boolean haveSerializedIndex = false; for (int k = 0; k < _records.size(); k++) { RecordBase record = _records.get(k); if (record instanceof RecordAggregate) { RecordAggregate agg = (RecordAggregate) record; agg.visitContainedRecords(ptv); } else { ptv.visitRecord((Record) record); } // If the BOF record was just serialized then add the IndexRecord if (record instanceof BOFRecord) { if (!haveSerializedIndex) { haveSerializedIndex = true; // Add an optional UncalcedRecord. However, we should add // it in only the once, after the sheet's own BOFRecord. // If there are diagrams, they have their own BOFRecords, // and one shouldn't go in after that! if (_isUncalced) { ptv.visitRecord(new UncalcedRecord()); } //Can there be more than one BOF for a sheet? If not then we can //remove this guard. So be safe it is left here. if (_rowsAggregate != null) { // find forward distance to first RowRecord int initRecsSize = getSizeOfInitialSheetRecords(k); int currentPos = ptv.getPosition(); ptv.visitRecord(_rowsAggregate.createIndexRecord(currentPos, initRecsSize)); } } } } } /** * 'initial sheet records' are between INDEX and the 'Row Blocks' * @param bofRecordIndex index of record after which INDEX record is to be placed * @return count of bytes from end of INDEX record to first ROW record. */ private int getSizeOfInitialSheetRecords(int bofRecordIndex) { int result = 0; // start just after BOF record (INDEX is not present in this list) for (int j = bofRecordIndex + 1; j < _records.size(); j++) { RecordBase tmpRec = _records.get(j); if (tmpRec instanceof RowRecordsAggregate) { break; } result += tmpRec.getRecordSize(); } if (_isUncalced) { result += UncalcedRecord.getStaticRecordSize(); } return result; } /** * Adds a value record to the sheet's contained binary records * (i.e. LabelSSTRecord or NumberRecord). *

* This method is "loc" sensitive. Meaning you need to set LOC to where you * want it to start searching. If you don't know do this: setLoc(getDimsLoc). * When adding several rows you can just start at the last one by leaving loc * at what this sets it to. * * @param row the row to add the cell value to * @param col the cell value record itself. */ public void addValueRecord(int row, CellValueRecordInterface col) { if(log.check(POILogger.DEBUG)) { log.log(POILogger.DEBUG, "add value record row" + row); } DimensionsRecord d = _dimensions; if (col.getColumn() >= d.getLastCol()) { d.setLastCol(( short ) (col.getColumn() + 1)); } if (col.getColumn() < d.getFirstCol()) { d.setFirstCol(col.getColumn()); } _rowsAggregate.insertCell(col); } /** * remove a value record from the records array. * * This method is not loc sensitive, it resets loc to = dimsloc so no worries. * * @param row - the row of the value record you wish to remove * @param col - a record supporting the CellValueRecordInterface. * @see org.apache.poi.hssf.record.CellValueRecordInterface */ public void removeValueRecord(int row, CellValueRecordInterface col) { log.log(POILogger.DEBUG, "remove value record row "+row); _rowsAggregate.removeCell(col); } /** * replace a value record from the records array. * * This method is not loc sensitive, it resets loc to = dimsloc so no worries. * * @param newval - a record supporting the CellValueRecordInterface. this will replace * the cell value with the same row and column. If there isn't one, one will * be added. */ public void replaceValueRecord(CellValueRecordInterface newval) { if (log.check( POILogger.DEBUG )) log.log(POILogger.DEBUG, "replaceValueRecord "); //The ValueRecordsAggregate use a tree map underneath. //The tree Map uses the CellValueRecordInterface as both the //key and the value, if we dont do a remove, then //the previous instance of the key is retained, effectively using //double the memory _rowsAggregate.removeCell(newval); _rowsAggregate.insertCell(newval); } /** * Adds a row record to the sheet * *

* This method is "loc" sensitive. Meaning you need to set LOC to where you * want it to start searching. If you don't know do this: setLoc(getDimsLoc). * When adding several rows you can just start at the last one by leaving loc * at what this sets it to. * * @param row the row record to be added */ public void addRow(RowRecord row) { if (log.check( POILogger.DEBUG )) log.log(POILogger.DEBUG, "addRow "); DimensionsRecord d = _dimensions; if (row.getRowNumber() >= d.getLastRow()) { d.setLastRow(row.getRowNumber() + 1); } if (row.getRowNumber() < d.getFirstRow()) { d.setFirstRow(row.getRowNumber()); } //If the row exists remove it, so that any cells attached to the row are removed RowRecord existingRow = _rowsAggregate.getRow(row.getRowNumber()); if (existingRow != null) { _rowsAggregate.removeRow(existingRow); } _rowsAggregate.insertRow(row); if (log.check( POILogger.DEBUG )) log.log(POILogger.DEBUG, "exit addRow"); } /** * Removes a row record * * This method is not loc sensitive, it resets loc to = dimsloc so no worries. * * @param row the row record to remove */ public void removeRow(RowRecord row) { _rowsAggregate.removeRow(row); } /** * Get all the value records (from LOC). Records will be returned from the first * record (starting at LOC) which is a value record. * *

* This method is "loc" sensitive. Meaning you need to set LOC to where you * want it to start searching. If you don't know do this: setLoc(getDimsLoc). * When adding several rows you can just start at the last one by leaving loc * at what this sets it to. For this method, set loc to dimsloc to start with, * subsequent calls will return values in (physical) sequence or NULL when you get to the end. * * @return Iterator of CellValueRecordInterface representing the value records */ public Iterator getCellValueIterator(){ return _rowsAggregate.getCellValueIterator(); } /** * get the NEXT RowRecord (from LOC). The first record that is a Row record * (starting at LOC) will be returned. *

* This method is "loc" sensitive. Meaning you need to set LOC to where you * want it to start searching. If you don't know do this: setLoc(getDimsLoc). * When adding several rows you can just start at the last one by leaving loc * at what this sets it to. For this method, set loc to dimsloc to start with. * subsequent calls will return rows in (physical) sequence or NULL when you get to the end. * * @return RowRecord representing the next row record or NULL if there are no more */ public RowRecord getNextRow() { if (rowRecIterator == null) { rowRecIterator = _rowsAggregate.getIterator(); } if (!rowRecIterator.hasNext()) { return null; } return rowRecIterator.next(); } /** * get the NEXT (from LOC) RowRecord where rownumber matches the given rownum. * The first record that is a Row record (starting at LOC) that has the * same rownum as the given rownum will be returned. *

* This method is "loc" sensitive. Meaning you need to set LOC to where you * want it to start searching. If you don't know do this: setLoc(getDimsLoc). * When adding several rows you can just start at the last one by leaving loc * at what this sets it to. For this method, set loc to dimsloc to start with. * subsequent calls will return rows in (physical) sequence or NULL when you get to the end. * * @param rownum which row to return (careful with LOC) * @return RowRecord representing the next row record or NULL if there are no more * */ public RowRecord getRow(int rownum) { return _rowsAggregate.getRow(rownum); } /** * creates the BOF record */ /* package */ static BOFRecord createBOF() { BOFRecord retval = new BOFRecord(); retval.setVersion(( short ) 0x600); retval.setType(( short ) 0x010); retval.setBuild(( short ) 0x0dbb); retval.setBuildYear(( short ) 1996); retval.setHistoryBitMask(0xc1); retval.setRequiredVersion(0x6); return retval; } /** * creates the CalcMode record and sets it to 1 (automatic formula caculation) */ private static CalcModeRecord createCalcMode() { CalcModeRecord retval = new CalcModeRecord(); retval.setCalcMode(( short ) 1); return retval; } /** * creates the CalcCount record and sets it to 100 (default number of iterations) */ private static CalcCountRecord createCalcCount() { CalcCountRecord retval = new CalcCountRecord(); retval.setIterations(( short ) 100); // default 100 iterations return retval; } /** * creates the RefMode record and sets it to A1 Mode (default reference mode) */ private static RefModeRecord createRefMode() { RefModeRecord retval = new RefModeRecord(); retval.setMode(RefModeRecord.USE_A1_MODE); return retval; } /** * creates the Iteration record and sets it to false (don't iteratively calculate formulas) */ private static IterationRecord createIteration() { return new IterationRecord(false); } /** * creates the Delta record and sets it to 0.0010 (default accuracy) */ private static DeltaRecord createDelta() { return new DeltaRecord(DeltaRecord.DEFAULT_VALUE); } /** * creates the SaveRecalc record and sets it to true (recalculate before saving) */ private static SaveRecalcRecord createSaveRecalc() { SaveRecalcRecord retval = new SaveRecalcRecord(); retval.setRecalc(true); return retval; } /** * creates the PrintHeaders record and sets it to false (we don't create headers yet so why print them) */ private static PrintHeadersRecord createPrintHeaders() { PrintHeadersRecord retval = new PrintHeadersRecord(); retval.setPrintHeaders(false); return retval; } /** * creates the PrintGridlines record and sets it to false (that makes for ugly sheets). As far as I can * tell this does the same thing as the GridsetRecord */ private static PrintGridlinesRecord createPrintGridlines() { PrintGridlinesRecord retval = new PrintGridlinesRecord(); retval.setPrintGridlines(false); return retval; } /** * creates the Gridset record and sets it to true (user has mucked with the gridlines) */ private static GridsetRecord createGridset() { GridsetRecord retval = new GridsetRecord(); retval.setGridset(true); return retval; } /** * creates the Guts record and sets leftrow/topcol guttter and rowlevelmax/collevelmax to 0 */ private static GutsRecord createGuts() { GutsRecord retval = new GutsRecord(); retval.setLeftRowGutter(( short ) 0); retval.setTopColGutter(( short ) 0); retval.setRowLevelMax(( short ) 0); retval.setColLevelMax(( short ) 0); return retval; } private GutsRecord getGutsRecord() { if (_gutsRecord == null) { GutsRecord result = createGuts(); RecordOrderer.addNewSheetRecord(_records, result); _gutsRecord = result; } return _gutsRecord; } /** * creates the DefaultRowHeight Record and sets its options to 0 and rowheight to 0xff */ private static DefaultRowHeightRecord createDefaultRowHeight() { DefaultRowHeightRecord retval = new DefaultRowHeightRecord(); retval.setOptionFlags(( short ) 0); retval.setRowHeight(DefaultRowHeightRecord.DEFAULT_ROW_HEIGHT); return retval; } /** * creates the WSBoolRecord and sets its values to defaults */ private static WSBoolRecord createWSBool() { WSBoolRecord retval = new WSBoolRecord(); retval.setWSBool1(( byte ) 0x4); retval.setWSBool2(( byte ) 0xffffffc1); return retval; } /** * creates the DefaultColWidth Record and sets it to 8 */ private static DefaultColWidthRecord createDefaultColWidth() { DefaultColWidthRecord retval = new DefaultColWidthRecord(); retval.setColWidth(DefaultColWidthRecord.DEFAULT_COLUMN_WIDTH); return retval; } /** * get the default column width for the sheet (if the columns do not define their own width) * @return default column width */ public int getDefaultColumnWidth() { return defaultcolwidth.getColWidth(); } /** * @return true if gridlines are printed */ public boolean isGridsPrinted() { if (gridset == null) { gridset = createGridset(); //Insert the newlycreated Gridset record at the end of the record (just before the EOF) int loc = findFirstRecordLocBySid(EOFRecord.sid); _records.add(loc, gridset); } return !gridset.getGridset(); } /** * set whether gridlines printed or not. * @param value True if gridlines printed. */ public void setGridsPrinted(boolean value) { gridset.setGridset(!value); } /** * set the default column width for the sheet (if the columns do not define their own width) * @param dcw default column width */ public void setDefaultColumnWidth(int dcw) { defaultcolwidth.setColWidth(dcw); } /** * set the default row height for the sheet (if the rows do not define their own height) * * @param dch the default row height */ public void setDefaultRowHeight(short dch) { defaultrowheight.setRowHeight(dch); // set the bit that specifies that the default settings for the row height have been changed. defaultrowheight.setOptionFlags((short)1); } /** * get the default row height for the sheet (if the rows do not define their own height) * @return default row height */ public short getDefaultRowHeight() { return defaultrowheight.getRowHeight(); } /** * get the width of a given column in units of 1/256th of a character width * @param columnIndex index * @see org.apache.poi.hssf.record.DefaultColWidthRecord * @see org.apache.poi.hssf.record.ColumnInfoRecord * @see #setColumnWidth(int, int) * @return column width in units of 1/256th of a character width */ public int getColumnWidth(int columnIndex) { ColumnInfoRecord ci = _columnInfos.findColumnInfo(columnIndex); if (ci != null) { return ci.getColumnWidth(); } //default column width is measured in characters //multiply return (256*defaultcolwidth.getColWidth()); } /** * get the index to the ExtendedFormatRecord "associated" with * the column at specified 0-based index. (In this case, an * ExtendedFormatRecord index is actually associated with a * ColumnInfoRecord which spans 1 or more columns) *

* Returns the index to the default ExtendedFormatRecord (0xF) * if no ColumnInfoRecord exists that includes the column * index specified. * @param columnIndex the column index * @return index of ExtendedFormatRecord associated with * ColumnInfoRecord that includes the column index or the * index of the default ExtendedFormatRecord (0xF) */ public short getXFIndexForColAt(short columnIndex) { ColumnInfoRecord ci = _columnInfos.findColumnInfo(columnIndex); if (ci != null) { return (short)ci.getXFIndex(); } return 0xF; } /** * set the width for a given column in 1/256th of a character width units * * @param column - * the column number * @param width * (in units of 1/256th of a character width) */ public void setColumnWidth(int column, int width) { if(width > 255*256) throw new IllegalArgumentException("The maximum column width for an individual cell is 255 characters."); setColumn(column, null, Integer.valueOf(width), null, null, null); } /** * Get the hidden property for a given column. * @param columnIndex column index * @see org.apache.poi.hssf.record.DefaultColWidthRecord * @see org.apache.poi.hssf.record.ColumnInfoRecord * @see #setColumnHidden(int, boolean) * @return whether the column is hidden or not. */ public boolean isColumnHidden(int columnIndex) { ColumnInfoRecord cir = _columnInfos.findColumnInfo(columnIndex); if (cir == null) { return false; } return cir.getHidden(); } /** * Get the hidden property for a given column. * @param column - the column number * @param hidden - whether the column is hidden or not */ public void setColumnHidden(int column, boolean hidden) { setColumn( column, null, null, null, Boolean.valueOf(hidden), null); } public void setDefaultColumnStyle(int column, int styleIndex) { setColumn(column, Short.valueOf((short)styleIndex), null, null, null, null); } private void setColumn(int column, Short xfStyle, Integer width, Integer level, Boolean hidden, Boolean collapsed) { _columnInfos.setColumn( column, xfStyle, width, level, hidden, collapsed ); } /** * Creates an outline group for the specified columns. * @param fromColumn group from this column (inclusive) * @param toColumn group to this column (inclusive) * @param indent if true the group will be indented by one level, * if false indenting will be removed by one level. */ public void groupColumnRange(int fromColumn, int toColumn, boolean indent) { // Set the level for each column _columnInfos.groupColumnRange( fromColumn, toColumn, indent); // Determine the maximum overall level int maxLevel = _columnInfos.getMaxOutlineLevel(); GutsRecord guts = getGutsRecord(); guts.setColLevelMax( (short) ( maxLevel+1 ) ); if (maxLevel == 0) { guts.setTopColGutter( (short)0 ); } else { guts.setTopColGutter( (short) ( 29 + (12 * (maxLevel-1)) ) ); } } /** * creates the Dimensions Record and sets it to bogus values (you should set this yourself * or let the high level API do it for you) */ private static DimensionsRecord createDimensions() { DimensionsRecord retval = new DimensionsRecord(); retval.setFirstCol(( short ) 0); retval.setLastRow(1); // one more than it is retval.setFirstRow(0); retval.setLastCol(( short ) 1); // one more than it is return retval; } /** * creates the WindowTwo Record and sets it to:

* options = 0x6b6

* toprow = 0

* leftcol = 0

* headercolor = 0x40

* pagebreakzoom = 0x0

* normalzoom = 0x0

*/ private static WindowTwoRecord createWindowTwo() { WindowTwoRecord retval = new WindowTwoRecord(); retval.setOptions(( short ) 0x6b6); retval.setTopRow(( short ) 0); retval.setLeftCol(( short ) 0); retval.setHeaderColor(0x40); retval.setPageBreakZoom(( short ) 0); retval.setNormalZoom(( short ) 0); return retval; } /** * Creates the Selection record and sets it to nothing selected */ private static SelectionRecord createSelection() { return new SelectionRecord(0, 0); } public short getTopRow() { return (windowTwo==null) ? (short) 0 : windowTwo.getTopRow(); } public void setTopRow(short topRow) { if (windowTwo!=null) { windowTwo.setTopRow(topRow); } } /** * Sets the left column to show in desktop window pane. * @param leftCol the left column to show in desktop window pane */ public void setLeftCol(short leftCol) { if (windowTwo!=null) { windowTwo.setLeftCol(leftCol); } } public short getLeftCol() { return (windowTwo==null) ? (short) 0 : windowTwo.getLeftCol(); } /** * Returns the active row * * @see org.apache.poi.hssf.record.SelectionRecord * @return row the active row index */ public int getActiveCellRow() { if (_selection == null) { return 0; } return _selection.getActiveCellRow(); } /** * Sets the active row * * @param row the row index * @see org.apache.poi.hssf.record.SelectionRecord */ public void setActiveCellRow(int row) { //shouldn't have a sheet w/o a SelectionRecord, but best to guard anyway if (_selection != null) { _selection.setActiveCellRow(row); } } /** * @see org.apache.poi.hssf.record.SelectionRecord * @return column of the active cell */ public short getActiveCellCol() { if (_selection == null) { return 0; } return (short)_selection.getActiveCellCol(); } /** * Sets the active column * * @param col the column index * @see org.apache.poi.hssf.record.SelectionRecord */ public void setActiveCellCol(short col) { //shouldn't have a sheet w/o a SelectionRecord, but best to guard anyway if (_selection != null) { _selection.setActiveCellCol(col); } } public List getRecords() { return _records; } /** * Gets the gridset record for this sheet. * * @return the gridset record for this sheet */ public GridsetRecord getGridsetRecord() { return gridset; } /** * Returns the first occurrence of a record matching a particular sid. * * @param sid the sid to search for * * @return the matching record or {@code null} if it wasn't found */ public Record findFirstRecordBySid(short sid) { int ix = findFirstRecordLocBySid(sid); if (ix < 0) { return null; } return (Record) _records.get(ix); } /** * Sets the SCL record or creates it in the correct place if it does not * already exist. * * @param sclRecord The record to set. */ public void setSCLRecord(SCLRecord sclRecord) { int oldRecordLoc = findFirstRecordLocBySid(SCLRecord.sid); if (oldRecordLoc == -1) { // Insert it after the window record int windowRecordLoc = findFirstRecordLocBySid(WindowTwoRecord.sid); _records.add(windowRecordLoc+1, sclRecord); } else { _records.set(oldRecordLoc, sclRecord); } } /** * Finds the first occurrence of a record matching a particular sid and * returns it's position. * @param sid the sid to search for * @return the record position of the matching record or -1 if no match * is made. */ public int findFirstRecordLocBySid( short sid ) { // TODO - remove this method int max = _records.size(); for (int i=0; i< max; i++) { Object rb = _records.get(i); if (!(rb instanceof Record)) { continue; } Record record = (Record) rb; if (record.getSid() == sid) { return i; } } return -1; } public WindowTwoRecord getWindowTwo() { return windowTwo; } /** * Returns the PrintGridlinesRecord. * @return PrintGridlinesRecord for the sheet. */ public PrintGridlinesRecord getPrintGridlines () { return printGridlines; } /** * Sets the PrintGridlinesRecord. * @param newPrintGridlines The new PrintGridlinesRecord for the sheet. */ public void setPrintGridlines (PrintGridlinesRecord newPrintGridlines) { printGridlines = newPrintGridlines; } /** * Returns the PrintHeadersRecord. * @return PrintHeadersRecord for the sheet. */ public PrintHeadersRecord getPrintHeaders() { return printHeaders; } /** * Sets the PrintHeadersRecord. * @param newPrintHeaders The new PrintHeadersRecord for the sheet. */ public void setPrintHeaders(PrintHeadersRecord newPrintHeaders) { printHeaders = newPrintHeaders; } /** * Sets whether the sheet is selected * @param sel True to select the sheet, false otherwise. */ public void setSelected(boolean sel) { windowTwo.setSelected(sel); } /** * Creates a split (freezepane). Any existing freezepane or split pane is overwritten. * *

If both colSplit and rowSplit are zero then the existing freeze pane is removed

* * @param colSplit Horizonatal position of split. * @param rowSplit Vertical position of split. * @param topRow Top row visible in bottom pane * @param leftmostColumn Left column visible in right pane. */ public void createFreezePane(int colSplit, int rowSplit, int topRow, int leftmostColumn) { int paneLoc = findFirstRecordLocBySid(PaneRecord.sid); if (paneLoc != -1) _records.remove(paneLoc); // If both colSplit and rowSplit are zero then the existing freeze pane is removed if(colSplit == 0 && rowSplit == 0){ windowTwo.setFreezePanes(false); windowTwo.setFreezePanesNoSplit(false); SelectionRecord sel = (SelectionRecord) findFirstRecordBySid(SelectionRecord.sid); if (sel != null) { sel.setPane(PaneInformation.PANE_UPPER_LEFT); } return; } int loc = findFirstRecordLocBySid(WindowTwoRecord.sid); PaneRecord pane = new PaneRecord(); pane.setX((short)colSplit); pane.setY((short)rowSplit); pane.setTopRow((short) topRow); pane.setLeftColumn((short) leftmostColumn); if (rowSplit == 0) { pane.setTopRow((short)0); pane.setActivePane((short)1); } else if (colSplit == 0) { pane.setLeftColumn((short)0); pane.setActivePane((short)2); } else { pane.setActivePane((short)0); } _records.add(loc+1, pane); windowTwo.setFreezePanes(true); windowTwo.setFreezePanesNoSplit(true); SelectionRecord sel = (SelectionRecord) findFirstRecordBySid(SelectionRecord.sid); if (sel != null) { sel.setPane((byte) pane.getActivePane()); } } /** * Creates a split pane. Any existing freezepane or split pane is overwritten. * @param xSplitPos Horizonatal position of split (in 1/20th of a point). * @param ySplitPos Vertical position of split (in 1/20th of a point). * @param topRow Top row visible in bottom pane * @param leftmostColumn Left column visible in right pane. * @param activePane Active pane. One of: PANE_LOWER_RIGHT, * PANE_UPPER_RIGHT, PANE_LOWER_LEFT, PANE_UPPER_LEFT * @see #PANE_LOWER_LEFT * @see #PANE_LOWER_RIGHT * @see #PANE_UPPER_LEFT * @see #PANE_UPPER_RIGHT */ public void createSplitPane(int xSplitPos, int ySplitPos, int topRow, int leftmostColumn, int activePane) { int paneLoc = findFirstRecordLocBySid(PaneRecord.sid); if (paneLoc != -1) _records.remove(paneLoc); int loc = findFirstRecordLocBySid(WindowTwoRecord.sid); PaneRecord r = new PaneRecord(); r.setX((short)xSplitPos); r.setY((short)ySplitPos); r.setTopRow((short) topRow); r.setLeftColumn((short) leftmostColumn); r.setActivePane((short) activePane); _records.add(loc+1, r); windowTwo.setFreezePanes(false); windowTwo.setFreezePanesNoSplit(false); SelectionRecord sel = (SelectionRecord) findFirstRecordBySid(SelectionRecord.sid); if (sel != null) { sel.setPane(PANE_LOWER_RIGHT); } } /** * Returns the information regarding the currently configured pane (split or freeze). * @return null if no pane configured, or the pane information. */ public PaneInformation getPaneInformation() { PaneRecord rec = (PaneRecord)findFirstRecordBySid(PaneRecord.sid); if (rec == null) return null; return new PaneInformation(rec.getX(), rec.getY(), rec.getTopRow(), rec.getLeftColumn(), (byte)rec.getActivePane(), windowTwo.getFreezePanes()); } public SelectionRecord getSelection() { return _selection; } public void setSelection( SelectionRecord selection) { _selection = selection; } /** * @return the {@link WorksheetProtectionBlock} for this sheet */ public WorksheetProtectionBlock getProtectionBlock() { return _protectionBlock; } /** * Sets whether the gridlines are shown in a viewer. * @param show whether to show gridlines or not */ public void setDisplayGridlines(boolean show) { windowTwo.setDisplayGridlines(show); } /** * @return true if gridlines are displayed */ public boolean isDisplayGridlines() { return windowTwo.getDisplayGridlines(); } /** * Sets whether the formulas are shown in a viewer. * @param show whether to show formulas or not */ public void setDisplayFormulas(boolean show) { windowTwo.setDisplayFormulas(show); } /** * Returns if formulas are displayed. * @return whether formulas are displayed */ public boolean isDisplayFormulas() { return windowTwo.getDisplayFormulas(); } /** * Sets whether the RowColHeadings are shown in a viewer. * @param show whether to show RowColHeadings or not */ public void setDisplayRowColHeadings(boolean show) { windowTwo.setDisplayRowColHeadings(show); } /** * Returns if RowColHeadings are displayed. * @return whether RowColHeadings are displayed */ public boolean isDisplayRowColHeadings() { return windowTwo.getDisplayRowColHeadings(); } /** * Sets whether the RowColHeadings are shown in a viewer. * @param show whether to show RowColHeadings or not */ public void setPrintRowColHeadings(boolean show) { windowTwo.setDisplayRowColHeadings(show); } /** * Returns if RowColHeadings are displayed. * @return whether RowColHeadings are displayed */ public boolean isPrintRowColHeadings() { return windowTwo.getDisplayRowColHeadings(); } /** * @return whether an uncalced record must be inserted or not at generation */ public boolean getUncalced() { return _isUncalced; } /** * @param uncalced whether an uncalced record must be inserted or not at generation */ public void setUncalced(boolean uncalced) { this._isUncalced = uncalced; } /** * Finds the DrawingRecord for our sheet, and * attaches it to the DrawingManager (which knows about * the overall DrawingGroup for our workbook). * If requested, will create a new DrawRecord * if none currently exist * @param drawingManager The DrawingManager2 for our workbook * @param createIfMissing Should one be created if missing? * @return location of EscherAggregate record. if no EscherAggregate record is found return -1 */ public int aggregateDrawingRecords(DrawingManager2 drawingManager, boolean createIfMissing) { int loc = findFirstRecordLocBySid(DrawingRecord.sid); boolean noDrawingRecordsFound = (loc == -1); if (noDrawingRecordsFound) { if(!createIfMissing) { // None found, and not allowed to add in return -1; } EscherAggregate aggregate = new EscherAggregate(true); loc = findFirstRecordLocBySid(EscherAggregate.sid); if (loc == -1) { loc = findFirstRecordLocBySid( WindowTwoRecord.sid ); } else { getRecords().remove(loc); } getRecords().add( loc, aggregate ); return loc; } List records = getRecords(); EscherAggregate.createAggregate(records, loc); return loc; } /** * Perform any work necessary before the sheet is about to be serialized. * For instance the escher aggregates size needs to be calculated before * serialization so that the dgg record (which occurs first) can be written. */ public void preSerialize() { for (RecordBase r: getRecords()) { if (r instanceof EscherAggregate) { // Trigger flattening of user model and corresponding update of dgg record. r.getRecordSize(); } } } public PageSettingsBlock getPageSettings() { if (_psBlock == null) { _psBlock = new PageSettingsBlock(); RecordOrderer.addNewSheetRecord(_records, _psBlock); } return _psBlock; } public void setColumnGroupCollapsed(int columnNumber, boolean collapsed) { if (collapsed) { _columnInfos.collapseColumn(columnNumber); } else { _columnInfos.expandColumn(columnNumber); } } public void groupRowRange(int fromRow, int toRow, boolean indent) { for (int rowNum = fromRow; rowNum <= toRow; rowNum++) { RowRecord row = getRow( rowNum ); if (row == null) { row = RowRecordsAggregate.createRow(rowNum); addRow( row ); } int level = row.getOutlineLevel(); if (indent) level++; else level--; level = Math.max(0, level); level = Math.min(7, level); row.setOutlineLevel((short) ( level )); } recalcRowGutter(); } private void recalcRowGutter() { int maxLevel = 0; Iterator iterator = _rowsAggregate.getIterator(); while (iterator.hasNext()) { RowRecord rowRecord = iterator.next(); maxLevel = Math.max(rowRecord.getOutlineLevel(), maxLevel); } // Grab the guts record, adding if needed GutsRecord guts = getGutsRecord(); // Set the levels onto it guts.setRowLevelMax( (short) ( maxLevel + 1 ) ); guts.setLeftRowGutter( (short) ( 29 + (12 * (maxLevel)) ) ); } public DataValidityTable getOrCreateDataValidityTable() { if (_dataValidityTable == null) { DataValidityTable result = new DataValidityTable(); RecordOrderer.addNewSheetRecord(_records, result); _dataValidityTable = result; } return _dataValidityTable; } /** * Get the {@link NoteRecord}s (related to cell comments) for this sheet * @return never null, typically empty array */ public NoteRecord[] getNoteRecords() { List temp = new ArrayList<>(); for(int i=_records.size()-1; i>=0; i--) { RecordBase rec = _records.get(i); if (rec instanceof NoteRecord) { temp.add((NoteRecord) rec); } } if (temp.size() < 1) { return NoteRecord.EMPTY_ARRAY; } NoteRecord[] result = new NoteRecord[temp.size()]; temp.toArray(result); return result; } public int getColumnOutlineLevel(int columnIndex) { return _columnInfos.getOutlineLevel(columnIndex); } public int getMinColumnIndex() { return _columnInfos.getMinColumnIndex(); } public int getMaxColumnIndex() { return _columnInfos.getMaxColumnIndex(); } }




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