Examples with RecordBase org.apache.poi.hssf.record.RecordBase used on opensource projects

Example 16 with RecordBase

use of org.apache.poi.hssf.record.RecordBase in project poi by apache.

the class HSSFChart method getSheetCharts.

/**
	 * Returns all the charts for the given sheet.
	 *
	 * NOTE: You won't be able to do very much with
	 *  these charts yet, as this is very limited support
	 */
public static HSSFChart[] getSheetCharts(HSSFSheet sheet) {
    List<HSSFChart> charts = new ArrayList<HSSFChart>();
    HSSFChart lastChart = null;
    HSSFSeries lastSeries = null;
    // Find records of interest
    List<RecordBase> records = sheet.getSheet().getRecords();
    for (RecordBase r : records) {
        if (r instanceof ChartRecord) {
            lastSeries = null;
            lastChart = new HSSFChart(sheet, (ChartRecord) r);
            charts.add(lastChart);
        } else if (r instanceof LinkedDataRecord) {
            LinkedDataRecord linkedDataRecord = (LinkedDataRecord) r;
            if (lastSeries != null) {
                lastSeries.insertData(linkedDataRecord);
            }
        }
        if (lastChart == null) {
            continue;
        }
        if (r instanceof LegendRecord) {
            lastChart.legendRecord = (LegendRecord) r;
        } else if (r instanceof SeriesRecord) {
            HSSFSeries series = new HSSFSeries((SeriesRecord) r);
            lastChart.series.add(series);
            lastSeries = series;
        } else if (r instanceof ChartTitleFormatRecord) {
            lastChart.chartTitleFormat = (ChartTitleFormatRecord) r;
        } else if (r instanceof SeriesTextRecord) {
            // Applies to a series, unless we've seen a legend already
            SeriesTextRecord str = (SeriesTextRecord) r;
            if (lastChart.legendRecord == null && lastChart.series.size() > 0) {
                HSSFSeries series = lastChart.series.get(lastChart.series.size() - 1);
                series.seriesTitleText = str;
            } else {
                lastChart.chartTitleText = str;
            }
        } else if (r instanceof ValueRangeRecord) {
            lastChart.valueRanges.add((ValueRangeRecord) r);
        } else if (r instanceof Record) {
            Record record = (Record) r;
            for (HSSFChartType type : HSSFChartType.values()) {
                if (type == HSSFChartType.Unknown) {
                    continue;
                }
                if (record.getSid() == type.getSid()) {
                    lastChart.type = type;
                    break;
                }
            }
        }
    }
    return charts.toArray(new HSSFChart[charts.size()]);
}

Example 17 with RecordBase

use of org.apache.poi.hssf.record.RecordBase in project poi by apache.

the class InternalSheet method visitContainedRecords.

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;
                //  and one shouldn't go in after that!
                if (_isUncalced) {
                    ptv.visitRecord(new UncalcedRecord());
                }
                //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));
                }
            }
        }
    }
}

Example 18 with RecordBase

use of org.apache.poi.hssf.record.RecordBase in project poi by apache.

the class RecordOrderer method getGutsRecordInsertPos.

private static int getGutsRecordInsertPos(List<RecordBase> records) {
    int dimensionsIndex = getDimensionsIndex(records);
    int i = dimensionsIndex - 1;
    while (i > 0) {
        i--;
        RecordBase rb = records.get(i);
        if (isGutsPriorRecord(rb)) {
            return i + 1;
        }
    }
    throw new RuntimeException("Did not find insert point for GUTS");
}

Example 19 with RecordBase

use of org.apache.poi.hssf.record.RecordBase in project poi by apache.

the class InternalSheet method cloneSheet.

/**
     * 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 <b>Record</b> 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<Record> clonedRecords = new ArrayList<Record>(_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));
}

Example 20 with RecordBase

use of org.apache.poi.hssf.record.RecordBase in project poi by apache.

the class InternalSheet method aggregateDrawingRecords.

/**
     * 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<RecordBase> records = getRecords();
    EscherAggregate.createAggregate(records, loc);
    return loc;
}