// scan up the component hierarchy until the real owner is found and collect all cloned
// components.
private static List<Component> scanClones(DataBinder binder, Component comp) {
if (DataBinder.isTemplate(comp)) {
final List<Component> owners =
scanClones(binder, binder.getCollectionOwner(comp)); // recursive
final List<Component> kidowners = new LinkedList<Component>();
for (Component owner : owners) {
final CollectionItem decor = binder.getCollectionItemByOwner(owner);
// backward compatible, CollectionItemEx.getItems() is faster
if (decor instanceof CollectionItemExt) {
final CollectionItemExt decorex = (CollectionItemExt) decor;
for (final Iterator iti = decorex.getItems(owner).iterator(); iti.hasNext(); ) {
final Component item = (Component) iti.next();
kidowners.add(DataBinder.lookupClone(item, comp));
}
} else {
try {
for (int j = 0; true; ++j) { // iterate until out of bound
final Component item = decor.getComponentAtIndexByOwner(owner, j);
kidowners.add(DataBinder.lookupClone(item, comp));
}
} catch (IndexOutOfBoundsException ex) {
// ignore, iterate until out of bound
}
}
}
return kidowners;
} else {
final List<Component> owners = new ArrayList<Component>();
owners.add(comp);
return owners;
}
}
