Mode select button for certain block like stairs and slab

Button for stairs and slab which you to select in what type to place like for slab 2 options 1st which place slabs only on down side and 2nd which place slabs on upper side you can add more options for vertical slab And for stairs 4 option 1st for placing in front upper side 2nd for front downside 3rd for back upper side and 4th for back down side