Thanks, that's exactly what I needed!
I've made some further changes, and it's all working - but not on player login. The rows don't get coloured until you do an interface reload, but printing the values inside the functions to the console returns the right data. I've tried registering PLAYER_LOGIN and adding it to the events with a self:RefreshLayout() but that doesn't change anything.
Is the code taking too long to run? Have I missed something obvious? I don't really know how to fix this and further improve/optimise the code. I've put my addon files in here:
https://pastebin.com/u/Ylaana/1/tPZRxwDK
Any advice is greatly appreciated (and I hope someone will find the addon useful
).