/** @see genj.edit.actions.AbstractChange#change() */
protected Context execute(Gedcom gedcom, ActionEvent event) throws GedcomException {
for (Fam fam : fams) fam.swapSpouses();
return null;
}
/** Constructor */
public SwapSpouses(Fam family) {
super(family.getGedcom(), family.getImage(false), resources.getString("swap.spouses"));
fams = Collections.singletonList(family);
}