IBond bond = chemModelRelay.addBond( newAtom, atom, stereoForNewBond);
containerForUndoRedo.addBond(bond);
if (factory != null && handler != null) {
IUndoRedoable undoredo = chemModelRelay.getUndoRedoFactory().getAddAtomsAndBondsEdit
(chemModelRelay.getIChemModel(), containerForUndoRedo, null, "Add Bond",chemModelRelay);
handler.postEdit(undoredo);
}
}else{
if(!newSource){