Monthly Archives: January 2019

NSColorWell/NSTextField Bug

Jan 29 2019

NSColorWell/NSTextField Bug

Xcode 10, Swift 4.2, macOS 10.13. I have two text fields in my preference controller. Their purpose is to allow users to set a preferred default text style, which I will use elsewhere in my application. (This can be handled much more smoothly, but I have other problems to work out, and right now, working […]

By • Bug Reports, Interface • • Tags:

Get the modification (or creation) date of a file

Jan 28 2019

Get the modification (or creation) date of a file

Xcode 10, Swift 4.2, macOS 10.13 func fileModificationDate(url: URL) -> Date? { do { let attr = try FileManager.default.attributesOfItem(atPath: url.path) return attr[FileAttributeKey.modificationDate] as? Date } catch { return nil } } FileAttributeKey.creationDate works exactly the same; .size and .type might also be of interest. This beautiful and elegant solution comes from this Stackoverflow answer and […]

By • File Handling, Wiki • • Tags: ,

NSDocumentController basics

Jan 13 2019

NSDocumentController basics

Xcode 10, macOS 13.5, Swift 4.2 Without wanting to delve too deep into the NSDocumentController class: It’s part of the document architecture, and if your app uses more than one NSDocument subclass, you will need to override the following method: override func makeUntitledDocument(ofType typeName: String) throws -> NSDocument { switch typeName { case “ThingB”: return […]

By • File Handling, Wiki • • Tags: , ,