/** Since this is an add operation, figures can only be released if it has been undone. */
public void release() {
if (undone == true) {
FigureEnumeration fe = getAffectedFigures();
while (fe.hasNextFigure()) {
Figure f = fe.nextFigure();
getDrawingView().drawing().remove(f);
f.release();
}
}
setAffectedFigures(CH.ifa.draw.standard.FigureEnumerator.getEmptyEnumeration());
}
public boolean undo() {
if (!super.undo()) {
return false;
}
// undo of add really shouldnt need visitor !?!dnoyeb!?!
log("AddUndoActivity AddUndoActivity undo");
DeleteFromDrawingVisitor deleteVisitor =
new DeleteFromDrawingVisitor(getDrawingView().drawing());
FigureEnumeration fe = getAffectedFigures();
while (fe.hasNextFigure()) {
CH.ifa.draw.framework.Figure f = fe.nextFigure();
f.visit(deleteVisitor);
}
setAffectedFigures(deleteVisitor.getDeletedFigures());
getDrawingView().clearSelection();
undone = true;
return true;
}