If you’ve ever coded for iOS you’ll most likely be familiar with the UIView animateWithDuration function. Wouldn’t it be great if there would be an OSX equivalent? Well, there sure is, just type the following: NSAnimationContext.runAnimationGroup({_in //Indicate the duration of the animation …
Tag Archives: swift3
Are we (NSViewController view) the First Responder?
In some cases a class may want to know if it’s the first responder before triggering an action. For instance if several loaded View Controller classes are listening for the same notification, how can they know which one should trigger the action? Well… they should ask their view. In this case a NSTableView class is …
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Undo functionality in Core Data (Swift 3)
If you’re developing a Core Data based application for Mac, wouldn’t it be great if you could add undo support? Well, turns out that is a couple of lines away. Follow the simple steps: 1. Make sure your managedObjectContext has an undo manager, without it Core Data can’t keep track of the changes: …
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Sorting Multi Dimensional Array (Swift 3)
Hello all, This one I’ve found specially useful when working with Core Data fetched arrays. Let’s say that we want to sort the result of a fetch request based on the value of the field “gold”, we would therefore do the following: let dwarfGoldBags = … //Contains the result of a fetch request with one of the …
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