private GridLayoutData getLayoutData(Component component) {
LayoutData layoutData = component.getLayoutData();
if (layoutData == null || !(layoutData instanceof GridLayoutData)) {
return DEFAULT;
} else {
return (GridLayoutData) layoutData;
}
}
private EnumMap<Location, Component> makeLookupMap(List<Component> components) {
EnumMap<Location, Component> map =
new EnumMap<BorderLayout.Location, Component>(Location.class);
List<Component> unassignedComponents = new ArrayList<Component>();
for (Component component : components) {
if (component.getLayoutData() instanceof Location) {
map.put((Location) component.getLayoutData(), component);
} else {
unassignedComponents.add(component);
}
}
// Try to assign components to available locations
for (Component component : unassignedComponents) {
for (Location location : AUTO_ASSIGN_ORDER) {
if (!map.containsKey(location)) {
map.put(location, component);
break;
}
}
}
return map;
}