In the past I’ve converted sidebar into contextual menus for mobile version of Collabora Online. Since that time I was waiting for a moment when it will be possible to do similar thing for the desktop version of Collabora Online, the one that you use in the browser on your laptop. It is a good step to make UI unified and more convenient for a user.
In the new approach we use HTML controls with „native” listboxes and
spinfields instead of pictures generated by the server. The
data transfer from the server to the browser for fields invalidation
should be reduced as we don’t have to send images. Widgets can be
now styled using the same CSS like other UI components what will
improve look of the sidebar. Thanks to the conversion for a desktop I
also improved the mobile menus and did few optimizations.
Sidebar is still under development but looks promising: