/**
* Create a new ShapeGroup and create an instance of <code>EscherSpgrContainer</code> which
* represents a group of shapes
*/
protected EscherContainerRecord createSpContainer(boolean isChild) {
EscherContainerRecord spgr = new EscherContainerRecord();
spgr.setRecordId(EscherContainerRecord.SPGR_CONTAINER);
spgr.setOptions((short) 15);
// The group itself is a shape, and always appears as the first EscherSpContainer in the group
// container.
EscherContainerRecord spcont = new EscherContainerRecord();
spcont.setRecordId(EscherContainerRecord.SP_CONTAINER);
spcont.setOptions((short) 15);
EscherSpgrRecord spg = new EscherSpgrRecord();
spg.setOptions((short) 1);
spcont.addChildRecord(spg);
EscherSpRecord sp = new EscherSpRecord();
short type = (ShapeTypes.NotPrimitive << 4) + 2;
sp.setOptions(type);
sp.setFlags(EscherSpRecord.FLAG_HAVEANCHOR | EscherSpRecord.FLAG_GROUP);
spcont.addChildRecord(sp);
EscherClientAnchorRecord anchor = new EscherClientAnchorRecord();
spcont.addChildRecord(anchor);
spgr.addChildRecord(spcont);
return spgr;
}