/**
* returns a tree of all <code>JMenuItem</code> nodes the menu contains (omitting Strings and
* Separators). The tree is build from <code>DefaultMutableTreeNode</code> nodes having <code>
* MenuEntry</code> objects as their userObjects.
*
* <p>Note that the root node may have null as userObject if the menu item at <code>menuRootKey
* </code> doesn't contain a <code>JMenuItem</code>!
*
* @param menuRootKey the key of the node that should form the root of the output.
* @param menuBuilder access point for the menu(s).
*/
public static DefaultMutableTreeNode createMenuEntryTree(
final String menuRootKey, final MenuBuilder menuBuilder) {
final HashMap<String, KeyStroke> menuKeyToKeyStrokeMap =
MenuUtils.invertAcceleratorMap(menuBuilder.getAcceleratorMap());
final DefaultMutableTreeNode menuRoot = menuBuilder.get(menuRootKey);
final DefaultMutableTreeNode treeRoot =
new DefaultMutableTreeNode(
MenuUtils.menuNode2menuEntryNode(menuRoot, menuKeyToKeyStrokeMap));
MenuUtils.addChildrenRecursively(treeRoot, menuRoot.children(), menuKeyToKeyStrokeMap);
return treeRoot;
}
