I tried to set up a table with a toolbar for which you could toggle the selection mode between “row” and “cell”. However, the mode can not be switched. I use table.define("select", "row") to change the behaviour, but nothing happens. There is no error in the JavaScript console.
Can you share a bit more info, why you need to have such kind of functionality? It possible to add a support of dynamic select mode switching, so far we just have not seen any valid use-case for such scenario.