Examples of org.apache.poi.ddf.EscherContainerRecord

org.apache.poi.ddf.EscherContainerRecord
Escher container records store other escher records as children. The container records themselves never store any information beyond the standard header used by all escher records. This one record is used to represent many different types of records. @author Glen Stampoultzis

   * @return the index to this picture (1 based).
   */
  public int addPicture(byte[] data, int format) throws IOException {
    byte[] uid = PictureData.getChecksum(data);


    EscherContainerRecord bstore;


    EscherContainerRecord dggContainer = _documentRecord.getPPDrawingGroup().getDggContainer();
    bstore = (EscherContainerRecord) Shape.getEscherChild(dggContainer,
        EscherContainerRecord.BSTORE_CONTAINER);
    if (bstore == null) {
      bstore = new EscherContainerRecord();
      bstore.setRecordId(EscherContainerRecord.BSTORE_CONTAINER);


      dggContainer.addChildBefore(bstore, EscherOptRecord.RECORD_ID);
    } else {
      Iterator<EscherRecord> iter = bstore.getChildIterator();
      for (int i = 0; iter.hasNext(); i++) {
        EscherBSERecord bse = (EscherBSERecord) iter.next();
        if (Arrays.equals(bse.getUid(), uid)) {

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     * </p>
     */
    public void onCreate(){
        //initialize drawing group id
        EscherDggRecord dgg = getSlideShow().getDocumentRecord().getPPDrawingGroup().getEscherDggRecord();
        EscherContainerRecord dgContainer = (EscherContainerRecord)getSheetContainer().getPPDrawing().getEscherRecords()[0];
        EscherDgRecord dg = (EscherDgRecord) Shape.getEscherChild(dgContainer, EscherDgRecord.RECORD_ID);
        int dgId = dgg.getMaxDrawingGroupId() + 1;
        dg.setOptions((short)(dgId << 4));
        dgg.setDrawingsSaved(dgg.getDrawingsSaved() + 1);
        dgg.setMaxDrawingGroupId(dgId);


        for (EscherContainerRecord c : dgContainer.getChildContainers()) {
            EscherSpRecord spr = null;
            switch(c.getRecordId()){
                case EscherContainerRecord.SPGR_CONTAINER:
                    EscherContainerRecord dc = (EscherContainerRecord)c.getChild(0);
                    spr = dc.getChildById(EscherSpRecord.RECORD_ID);
                    break;
                case EscherContainerRecord.SP_CONTAINER:
                    spr = c.getChildById(EscherSpRecord.RECORD_ID);
                    break;
            }

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     */
    HSSFPatriarch(HSSFSheet sheet, EscherAggregate boundAggregate) {
        _sheet = sheet;
        _boundAggregate = boundAggregate;
        _mainSpgrContainer = _boundAggregate.getEscherContainer().getChildContainers().get(0);
        EscherContainerRecord spContainer = (EscherContainerRecord) _boundAggregate.getEscherContainer()
                .getChildContainers().get(0).getChild(0);
        _spgrRecord = spContainer.getChildById(EscherSpgrRecord.RECORD_ID);
        buildShapeTree();
    }

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        }
        
        // create picture shape, which need to be minimal modified for oleshapes
        HSSFPicture shape = new HSSFPicture(null, anchor);
        shape.setPictureIndex(pictureIndex);
        EscherContainerRecord spContainer = shape.getEscherContainer();
        EscherSpRecord spRecord = spContainer.getChildById(EscherSpRecord.RECORD_ID);
        spRecord.setFlags(spRecord.getFlags() |  EscherSpRecord.FLAG_OLESHAPE);
        
        HSSFObjectData oleShape = new HSSFObjectData(spContainer, obj, oleRoot); 
        addShape(oleShape);
        onCreate(oleShape);

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        shape.setPatriarch(this);
        _shapes.add(shape);
    }


    private void onCreate(HSSFShape shape) {
        EscherContainerRecord spgrContainer =
                _boundAggregate.getEscherContainer().getChildContainers().get(0);


        EscherContainerRecord spContainer = shape.getEscherContainer();
        int shapeId = newShapeId();
        shape.setShapeId(shapeId);


        spgrContainer.addChildRecord(spContainer);
        shape.afterInsert(this);

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    /**
     * create shape tree from existing escher records tree
     */
    void buildShapeTree() {
        EscherContainerRecord dgContainer = _boundAggregate.getEscherContainer();
        if (dgContainer == null) {
            return;
        }
        EscherContainerRecord spgrConrainer = dgContainer.getChildContainers().get(0);
        List<EscherContainerRecord> spgrChildren = spgrConrainer.getChildContainers();


        for (int i = 0; i < spgrChildren.size(); i++) {
            EscherContainerRecord spContainer = spgrChildren.get(i);
            if (i != 0) {
                HSSFShapeFactory.createShapeTree(spContainer, _boundAggregate, this, _sheet.getWorkbook().getRootDirectory());
            }
        }
    }

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     * @return all shapes contained in this Sheet (Slide or Notes)
     */
    public Shape[] getShapes() {
        PPDrawing ppdrawing = getPPDrawing();


        EscherContainerRecord dg = (EscherContainerRecord) ppdrawing.getEscherRecords()[0];
        EscherContainerRecord spgr = null;


        for (Iterator<EscherRecord> it = dg.getChildIterator(); it.hasNext();) {
            EscherRecord rec = it.next();
            if (rec.getRecordId() == EscherContainerRecord.SPGR_CONTAINER) {
                spgr = (EscherContainerRecord) rec;
                break;
            }
        }
        if (spgr == null) {
            throw new IllegalStateException("spgr not found");
        }


        List<Shape> shapes = new ArrayList<Shape>();
        Iterator<EscherRecord> it = spgr.getChildIterator();
        if (it.hasNext()) {
            // skip first item
            it.next();
        }
        for (; it.hasNext();) {
            EscherContainerRecord sp = (EscherContainerRecord) it.next();
            Shape sh = ShapeFactory.createShape(sp, null);
            sh.setSheet(this);
            shapes.add(sh);
        }

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     * @param shape - the Shape to add
     */
    public void addShape(Shape shape) {
        PPDrawing ppdrawing = getPPDrawing();


        EscherContainerRecord dgContainer = (EscherContainerRecord) ppdrawing.getEscherRecords()[0];
        EscherContainerRecord spgr = (EscherContainerRecord) Shape.getEscherChild(dgContainer, EscherContainerRecord.SPGR_CONTAINER);
        spgr.addChildRecord(shape.getSpContainer());


        shape.setSheet(this);
        shape.setShapeId(allocateShapeId());
        shape.afterInsert(this);
    }

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     * @return <tt>true</tt> if the shape was deleted.
     */
    public boolean removeShape(Shape shape) {
        PPDrawing ppdrawing = getPPDrawing();


        EscherContainerRecord dg = (EscherContainerRecord) ppdrawing.getEscherRecords()[0];
        EscherContainerRecord spgr = null;


        for (Iterator<EscherRecord> it = dg.getChildIterator(); it.hasNext();) {
            EscherRecord rec = it.next();
            if (rec.getRecordId() == EscherContainerRecord.SPGR_CONTAINER) {
                spgr = (EscherContainerRecord) rec;
                break;
            }
        }
        if(spgr == null) {
            return false;
        }


        List<EscherRecord> lst = spgr.getChildRecords();
        boolean result = lst.remove(shape.getSpContainer());
        spgr.setChildRecords(lst);
        return result;
    }

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     */
    public Background getBackground() {
        if (_background == null) {
            PPDrawing ppdrawing = getPPDrawing();


            EscherContainerRecord dg = (EscherContainerRecord) ppdrawing.getEscherRecords()[0];
            EscherContainerRecord spContainer = null;


            for (Iterator<EscherRecord> it = dg.getChildIterator(); it.hasNext();) {
                EscherRecord rec = it.next();
                if (rec.getRecordId() == EscherContainerRecord.SP_CONTAINER) {
                    spContainer = (EscherContainerRecord) rec;

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Related Classes of org.apache.poi.ddf.EscherContainerRecord

org.apache.poi.hslf.model.Hyperlink

org.apache.poi.hslf.model.ShapeGroup

org.apache.poi.hslf.model.Sheet

org.apache.poi.hslf.model.Slide

org.apache.poi.hslf.model.SlideMaster

org.apache.poi.hslf.record.PPDrawing

org.apache.poi.hslf.usermodel.SlideShow

org.apache.poi.hssf.model.InternalWorkbook

org.apache.poi.hssf.model.TestDrawingShapes

org.apache.poi.hssf.model.Workbook

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