enum UserSettingsKeys: String, CaseIterable, SettingKey {
case language
case tutorialShowed
static var clearKeys: [UserSettingsKeys] {
return allCases // keys to remove on logout for example
}
}
class UserSettings: Settings<UserSettingsKeys> {}To read and write:
let showed: Bool = settings[.tutorialShowed] ?? false
...
settings[.tutorialShowed] = true
settings[.language] = .dutch // where Language is RawRepresentableOnly supported types can be stored (check SettingValue).
Also any Codable object:
settings.set(user, key: .currentUser) // by default encoded as .plist
let currentUser: User? = settings.object(.currentUser) class FavoriteItem: NSManagedObject, Primitives {
enum PrimitiveKey: String {
case rating
case type
}
// optionals
var rating: Int16? {
set { self[.rating] = newValue }
get { return self[.rating] }
}
// RawRepresentable
var type: FavoriteType? {
set { self[.type] = newValue }
get { return self[.type] }
}
}Boilerplate code for DataSource of TableView & CollectionView can be simplied to:
// where MyCell is a prototype in Storyboard
let controller = TableController<String, MyCell>(tableView: self.tableView) { cell, item in
cell.textLabel?.text = item
}
// DataProvider is ExpressibleByArrayLiteral
controller.update(provider: ["one", "two", "three"]) // aka reload dataFlexibility of DataProvider:
// single section with 3 rows
let provider = DataProvider([1, 2, 3])
// multiple section with optional titles
let section1 = Section(title: "First", objects: [0,1,2]) // 3 rows
let section2 = Section(title: "Second", objects: [3,4]) // 2 rows
let provider = DataProvider(sections: [section1, section2])
// NSFetchedResultsController and even PHFetchResult is supported
let provider = DataProvider(frc: frc)CoreData support:
// by default FRCTableController will listen to changes in context and do batch updates
...
let frc = NSFetchedResultsController(fetchRequest: request, managedObjectContext: context, sectionNameKeyPath: nil, cacheName: nil)
let controller = FRCTableController<CoreDataEntity, EntityCell>(tableView: self.tableView, frc: frc) { cell, entity in
cell.update(with: entity)
}