Expandable Sidemenu

Hey folks,

does anyone know how to use a split pane as an expandable sidebar? For example the small sidebar should only show icons (width aprox. 60 px) and once you expand the sidebar it should contain icons and text (width aprox. 240px). The content panel width should be resized in both cases.

Does anyone have a “ready-to-go” solutions for this?

Something like this:

Thanks in advance,
Oliver

Any solutions available for the question above?