/**
* Builds the set of FocusKey objects for all focusable components on the form. A FocusKey allows
* us to store a reference to a focusable component and later find that component when a form has
* been de-serialized. We don't use the component name to reference the component because we don't
* want to keep track of when the user changes the name.
*/
public void buildFocusKeys(
HashSet currentFocusSet,
HashMap focus_key_map,
FormComponent form,
CompositeFocusKey compositeKey) {
for (int row = 1; row <= form.getRowCount(); row++) {
for (int col = 1; col <= form.getColumnCount(); col++) {
GridComponent gc = form.getGridComponent(col, row);
if (gc instanceof StandardComponent) {
Component comp = gc.getBeanDelegate();
if (comp != null) {
if (currentFocusSet.contains(comp)) {
CompositeFocusKey ckey = (CompositeFocusKey) compositeKey.clone();
ckey.add(new FormCellFocusKey(row, col, comp));
focus_key_map.put(comp, ckey);
} else {
/**
* This comp must be a container that contains components that are in the focus policy
* This can happen for Java Beans that are also panels which contain other components.
*/
if (comp instanceof Container) {
CompositeFocusKey ckey = (CompositeFocusKey) compositeKey.clone();
ckey.add(new FormCellFocusKey(row, col, comp));
buildContainerFocusKeys(currentFocusSet, focus_key_map, (Container) comp, ckey);
} else {
// ignore because this could be a component like
// a JLabel which does not need focus
}
}
}
} else if (gc instanceof FormComponent) {
FormComponent childform = (FormComponent) gc;
CompositeFocusKey ckey = (CompositeFocusKey) compositeKey.clone();
ckey.add(new FormCellFocusKey(row, col, gc));
buildFocusKeys(currentFocusSet, focus_key_map, childform, ckey);
} else {
if (gc != null) {
System.out.println(
"FormFocusManager.buildDefaultPolicyFailed found unknown comp: " + gc.getClass());
}
}
}
}
}
