Strange behavior of multiple sort about twigrid

[uestla]

I see, maybe the "+" sign is counter-intuitive since it's not about adding.

The basic rule here is

Use label for one-column sorting and "+" button for multisorting

There are 3 states of sorting:

• ASC
• DESC
• not sorted

You are switching between these 3 states in a loop as you are sorting by certain column (i.e. clicking either on label or "+" button). When the grid is sorted by 2+ columns, you can see that thanks to number labels next to the "+" button.

Furthermore I don't see a quick way to reset multisort back to single-column sorting in your solution.

[Vlczech]

In my solution, if you once selected multisort, then you need to cancel it gradually by "x" button (or "-" button, if you want). It follows the same steps you need to do for multisort init.

or the 2nd point, that i mentioned at #27:

some checkbox or radiobox (for example above the table) to change behavior between single sort and multi sort

And reaction to 3 states of sorting:

There are 3 states of sorting: ASC, DESC, not sorted

But this is not so practical, when you can try to switch between ASC to DESC and then return to ASC.