The themeroller
plugin adds support for jQuery UI's themes. Add the plugin as last in your plugins
config option. Also make sure that you have included the jquery theme you'd like to use and you should NOT use the native jstree themes
plugin.
The class name to use for open nodes (shows the arrow to close).
The class name to use for closed nodes (shows the arrow to open).
The class name to use for the actual items.
The class name to use for the hovered item.
The class name to use for selected items (UI plugin).
The class name to use for the default icon.
Fixes the tree on various events by applying the configured classes - used internally only.