/**
* Builds an list of components that are ordered in the focus order previously set by a user for a
* given form. The form may have changed (components might have been deleted or moved), so we need
* to delete those components from the focus order that don't match the current state of the form.
*/
ArrayList buildStoredFocusList(FormComponent form) {
ArrayList focus_list = new ArrayList();
FocusPolicyMemento memento = form.getFocusPolicy();
if (memento != null) {
Collection fkeys = memento.getFocusPolicyKeys();
Iterator iter = fkeys.iterator();
while (iter.hasNext()) {
FocusKey fkey = (FocusKey) iter.next();
Component comp = fkey.getComponent(form);
if (comp != null) {
focus_list.add(comp);
}
}
}
return focus_list;
}
