/** should be invoked in read action */
private DefaultTreeModel buildModel() {
final DefaultMutableTreeNode rootNode = new DefaultMutableTreeNode();
final Ref<Integer> count = new Ref<Integer>(0);
final FactoryMap<MemberChooserObject, ParentNode> map =
new FactoryMap<MemberChooserObject, ParentNode>() {
@Override
protected ParentNode create(final MemberChooserObject key) {
ParentNode node = null;
DefaultMutableTreeNode parentNode = rootNode;
if (supportsNestedContainers() && key instanceof ClassMember) {
MemberChooserObject parentNodeDelegate = ((ClassMember) key).getParentNodeDelegate();
if (parentNodeDelegate != null) {
parentNode = get(parentNodeDelegate);
}
}
if (isContainerNode(key)) {
final ContainerNode containerNode = new ContainerNode(parentNode, key, count);
node = containerNode;
myContainerNodes.add(containerNode);
}
if (node == null) {
node = new ParentNode(parentNode, key, count);
}
return node;
}
};
for (T object : myElements) {
final ParentNode parentNode = map.get(object.getParentNodeDelegate());
final MemberNode elementNode = createMemberNode(count, object, parentNode);
myNodeToParentMap.put(elementNode, parentNode);
myElementToNodeMap.put(object, elementNode);
}
return new DefaultTreeModel(rootNode);
}
protected String getItemText(@NotNull T value) {
return value.toString();
}