swift - NSTableView alternative row colors with NSArrayController -

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so i'm using nsarraycontroller nstableview , want show custom row color nsarraycontroller doesn't have objects.

normally without cocoa bindings can "cheat" numberofrows this:

var datastore = [person]()  func numberofrowsintableview(tableview: nstableview) -> int {     if datastore.count < 20 {         return 20     } else {         return datastore.count     } }

and getting custom row colors...

func tableview(tableview: nstableview, didaddrowview rowview: nstablerowview, forrow row: int) {     if row % 2 == 0 { rowview.backgroundcolor = nscolor.bluecolor() }     else { rowview.backgroundcolor = nscolor.recolor() } }

how can same effect empty table view cocoa bindings?

i don't know code mac app in ios app, can achieve need cellforrowatindexpath. did try it?


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