public ComboBox() 
{
    initialized = true;
    origin = Origin.WRITE;
    referenceCount = 1;
    type = ShapeType.HOST_CONTROL;
}

Constructor invoked when writing images

 public ComboBox(DrawingGroupObject dgo,
    DrawingGroup dg,
    WorkbookSettings ws) 
{
    ComboBox d = (ComboBox) dgo;
    Assert.verify(d.origin == Origin.READ);
    msoDrawingRecord = d.msoDrawingRecord;
    objRecord = d.objRecord;
    initialized = false;
    origin = Origin.READ;
    drawingData = d.drawingData;
    drawingGroup = dg;
    drawingNumber = d.drawingNumber;
    drawingGroup.addDrawing(this);
    workbookSettings = ws;
}

Copy constructor used to copy drawings from read to write

Parameters:

dgo - the drawing group object

dg - the drawing group

ws - the workbook settings

 public ComboBox(MsoDrawingRecord mso,
    ObjRecord obj,
    DrawingData dd,
    DrawingGroup dg,
    WorkbookSettings ws) 
{
    drawingGroup = dg;
    msoDrawingRecord = mso;
    drawingData = dd;
    objRecord = obj;
    initialized = false;
    workbookSettings = ws;
    origin = Origin.READ;
    drawingData.addData(msoDrawingRecord.getData());
    drawingNumber = drawingData.getNumDrawings() - 1;
    drawingGroup.addDrawing(this);
    Assert.verify(mso != null && obj != null);
    initialize();
}

Constructor used when reading images

Parameters:

mso - the drawing record

obj - the object record

dd - the drawing data for all drawings on this sheet

dg - the drawing group

ws - the workbook settings

 public final int getBlipId() 
{
    if (!initialized)
    {
      initialize();
    }
    return blipId;
}

Accessor for the blip id

 public int getColumn() 
{
    return 0;
}

Accessor for the column

 public DrawingGroup getDrawingGroup() 
{
    return drawingGroup;
}

Accessor for the drawing group

 public double getHeight() 
{
    if (!initialized)
    {
      initialize();
    }
    return height;
}

Accessor for the height of this drawing

 public byte[] getImageBytes() 
{
    Assert.verify(false);
    return null;
}

Accessor for the image data

 public byte[] getImageData() 
{
    Assert.verify(origin == Origin.READ || origin == Origin.READ_WRITE);
    if (!initialized)
    {
      initialize();
    }
    return drawingGroup.getImageData(blipId);
}

Accessor for the image data

 public String getImageFilePath() 
{
    Assert.verify(false);
    return null;
}

Accessor for the image file path. Normally this is the absolute path of a file on the directory system, but if this drawing was constructed using an byte[] then the blip id is returned

 public MsoDrawingRecord getMsoDrawingRecord() 
{
    return msoDrawingRecord;
}

Gets the drawing record which was read in

 public final int getObjectId() 
{
    if (!initialized)
    {
      initialize();
    }
    return objectId;
}

Accessor for the object id

 public Origin getOrigin() 
{
    return origin;
}

Gets the origin of this drawing

 public int getReferenceCount() 
{
    return referenceCount;
}

Accessor for the reference count on this drawing

 public int getRow() 
{
    return 0;
}

Accessor for the row

 public final int getShapeId() 
{
    if (!initialized)
    {
      initialize();
    }
    return shapeId;
}

Accessor for the shape id

 public EscherContainer getSpContainer() 
{
    if (!initialized)
    {
      initialize();
    }
    if (origin == Origin.READ)
    {
      return getReadSpContainer();
    }
    SpContainer spc = new SpContainer();
    Sp sp = new Sp(type, shapeId, 2560);
    spc.add(sp);
    Opt opt = new Opt();
    opt.addProperty(127, false, false, 17039620);
    opt.addProperty(191, false, false, 524296);
    opt.addProperty(511, false, false, 524288);
    opt.addProperty(959, false, false, 131072);
    //    opt.addProperty(260, true, false, blipId);
    //    opt.addProperty(261, false, false, 36);
    spc.add(opt);
    ClientAnchor clientAnchor = new ClientAnchor(column,
                                                 row,
                                                 column + 1,
                                                 row + 1, 
                                                 0x1);
    spc.add(clientAnchor);
    ClientData clientData = new ClientData();
    spc.add(clientData);
    return spc;
}

Creates the main Sp container for the drawing

 public ShapeType getType() 
{
    return type;
}

Accessor for the type

 public double getWidth() 
{
    if (!initialized)
    {
      initialize();
    }
    return width;
}

Accessor for the width of this drawing

 public double getX() 
{
    if (!initialized)
    {
      initialize();
    }
    return column;
}

Accessor for the column of this drawing

 public double getY() 
{
    if (!initialized)
    {
      initialize();
    }
    return row;
}

Accessor for the row of this drawing

 public int hashCode() 
{
    return getClass().getName().hashCode();
}

Hashing algorithm

 public boolean isFirst() 
{
    return msoDrawingRecord.isFirst();
}

Accessor for the first drawing on the sheet. This is used when copying unmodified sheets to indicate that this drawing contains the first time Escher gubbins

 public boolean isFormObject() 
{
    return false;
}

Queries whether this object is a form object. Form objects have their drawings records spread over TXO and CONTINUE records and require special handling

 public  void setDrawingGroup(DrawingGroup dg) 
{
    drawingGroup = dg;
}

Sets the drawing group for this drawing. Called by the drawing group when this drawing is added to it

 public  void setHeight(double h) 
{
    if (origin == Origin.READ)
    {
      if (!initialized)
      {
        initialize();
      }
      origin = Origin.READ_WRITE;
    }
    height = h;
}

Accessor for the height of this drawing

 public final  void setObjectId(int objid,
    int bip,
    int sid) 
{
    objectId = objid;
    blipId = bip;
    shapeId = sid;
    if (origin == Origin.READ)
    {
      origin = Origin.READ_WRITE;
    }
}

Sets the object id. Invoked by the drawing group when the object is added to id

 public  void setReferenceCount(int r) 
{
    referenceCount = r;
}

Sets the new reference count on the drawing

 public  void setWidth(double w) 
{
    if (origin == Origin.READ)
    {
      if (!initialized)
      {
        initialize();
      }
      origin = Origin.READ_WRITE;
    }
    width = w;
}

Accessor for the width

 public  void setX(double x) 
{
    if (origin == Origin.READ)
    {
      if (!initialized)
      {
        initialize();
      }
      origin = Origin.READ_WRITE;
    }
    column = (int) x;
}

Sets the column position of this drawing. Used when inserting/removing columns from the spreadsheet

 public  void setY(double y) 
{
    if (origin == Origin.READ)
    {
      if (!initialized)
      {
        initialize();
      }
      origin = Origin.READ_WRITE;
    }
    row = (int) y;
}

Accessor for the row of the drawing

 public  void writeAdditionalRecords(File outputFile) throws IOException 
{
    if (origin == Origin.READ)
    {
      outputFile.write(objRecord);
      return;
    }
    // Create the obj record
    ObjRecord objrec = new ObjRecord(objectId,
                                     ObjRecord.COMBOBOX);
    outputFile.write(objrec);
}

Writes out the additional records for a combo box

 public  void writeTailRecords(File outputFile) 
{

}

Writes any records that need to be written after all the drawing group objects have been written Writes out all the note records