[circonian]

The addon is now posted now. Yeah you can do quality & itemType, or you can get a lot more specific than that.

Theres about 25 different sort keys to choose from. You can choose all armor, all weapons, any subType of armor/weapons (like light armor, medium....1h maces, 1h axes, 2h swords, ect....), generic sortKeys like itemType, EquipType, quality, name, crafting material type, ect...

You can chain up to 9 sort keys & choose ascending or descending for each sort key.
Create several sort packages & toggle between them by clicking on the sort header & reverse the sort direction by clicking on the double arrow sort header I added.

Is that the grid view whatever addon? I didn't test it with that although as long as it doesn't remove the sort headers & doesn't mess with the sort order I don't think it should cause any problems.