mirror of
https://github.com/JohnEstropia/CoreStore.git
synced 2026-01-16 14:06:53 +01:00
demo app
This commit is contained in:
John Rommel Estropia
@@ -28,48 +28,260 @@ import CoreData
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import GCDKit
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private let ManagedObjectListControllerWillChangeListNotification = "ManagedObjectListControllerWillChangeListNotification"
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private let ManagedObjectListControllerDidChangeListNotification = "ManagedObjectListControllerDidChangeListNotification"
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private let ManagedObjectListControllerDidInsertObjectNotification = "ManagedObjectListControllerDidInsertObjectNotification"
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private let ManagedObjectListControllerDidDeleteObjectNotification = "ManagedObjectListControllerDidDeleteObjectNotification"
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private let ManagedObjectListControllerDidUpdateObjectNotification = "ManagedObjectListControllerDidUpdateObjectNotification"
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private let ManagedObjectListControllerDidMoveObjectNotification = "ManagedObjectListControllerDidMoveObjectNotification"
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private let UserInfoKeyObject = "UserInfoKeyObject"
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private let UserInfoKeyIndexPath = "UserInfoKeyIndexPath"
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private let UserInfoKeyNewIndexPath = "UserInfoKeyNewIndexPath"
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private struct NotificationKey {
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static var willChangeList: Void?
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static var didChangeList: Void?
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static var didInsertObject: Void?
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static var didDeleteObject: Void?
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static var didUpdateObject: Void?
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static var didMoveObject: Void?
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}
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// MARK: - ManagedObjectListController
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public final class ManagedObjectListController<T: NSManagedObject>: FetchedResultsControllerHandler {
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// MARK: Public
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public typealias EntityType = T
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public func addObserver<U: ManagedObjectListObserver where U.EntityType == EntityType>(observer: U) {
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public subscript(indexPath: NSIndexPath) -> T {
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HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to add a <\(U.self)> outside the main queue.")
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self.observers.addObject(observer)
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return self.fetchedResultsController.objectAtIndexPath(indexPath) as! T
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}
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public func removeObserver<U: ManagedObjectListObserver where U.EntityType == EntityType>(observer: U) {
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public func numberOfSections() -> Int {
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HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to remove a <\(U.self)> outside the main queue.")
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self.observers.removeObject(observer)
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return self.fetchedResultsController.sections?.count ?? 0
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}
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public func numberOfItemsInSection(section: Int) -> Int {
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return (self.fetchedResultsController.sections?[section] as? NSFetchedResultsSectionInfo)?.numberOfObjects ?? 0
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}
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public func addObserver<U: ManagedObjectListObserver where U.EntityType == T>(observer: U) {
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HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to add a \(typeName(observer)) outside the main queue.")
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setAssociatedRetainedObject(
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NotificationObserver(
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notificationName: ManagedObjectListControllerWillChangeListNotification,
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object: self,
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closure: { [weak self, weak observer] (note) -> Void in
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if let strongSelf = self, let strongObserver = observer {
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strongObserver.managedObjectListWillChange(strongSelf)
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}
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}
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),
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forKey: &NotificationKey.willChangeList,
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inObject: observer
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)
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setAssociatedRetainedObject(
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NotificationObserver(
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notificationName: ManagedObjectListControllerDidChangeListNotification,
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object: self,
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closure: { [weak self, weak observer] (note) -> Void in
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if let strongSelf = self, let strongObserver = observer {
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strongObserver.managedObjectListDidChange(strongSelf)
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}
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}
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),
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forKey: &NotificationKey.willChangeList,
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inObject: observer
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)
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setAssociatedRetainedObject(
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NotificationObserver(
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notificationName: ManagedObjectListControllerDidInsertObjectNotification,
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object: self,
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closure: { [weak self, weak observer] (note) -> Void in
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if let strongSelf = self,
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let strongObserver = observer,
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let userInfo = note.userInfo,
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let object = userInfo[UserInfoKeyObject] as? T,
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let newIndexPath = userInfo[UserInfoKeyNewIndexPath] as? NSIndexPath {
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strongObserver.managedObjectList(
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strongSelf,
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didInsertObject: object,
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toIndexPath: newIndexPath
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)
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}
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}
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),
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forKey: &NotificationKey.didInsertObject,
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inObject: observer
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)
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setAssociatedRetainedObject(
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NotificationObserver(
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notificationName: ManagedObjectListControllerDidDeleteObjectNotification,
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object: self,
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closure: { [weak self, weak observer] (note) -> Void in
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if let strongSelf = self,
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let strongObserver = observer,
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let userInfo = note.userInfo,
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let object = userInfo[UserInfoKeyObject] as? T,
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let indexPath = userInfo[UserInfoKeyIndexPath] as? NSIndexPath {
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strongObserver.managedObjectList(
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strongSelf,
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didDeleteObject: object,
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fromIndexPath: indexPath
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)
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}
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}
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),
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forKey: &NotificationKey.didDeleteObject,
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inObject: observer
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)
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setAssociatedRetainedObject(
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NotificationObserver(
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notificationName: ManagedObjectListControllerDidUpdateObjectNotification,
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object: self,
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closure: { [weak self, weak observer] (note) -> Void in
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if let strongSelf = self,
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let strongObserver = observer,
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let userInfo = note.userInfo,
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let object = userInfo[UserInfoKeyObject] as? T,
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let indexPath = userInfo[UserInfoKeyIndexPath] as? NSIndexPath {
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strongObserver.managedObjectList(
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strongSelf,
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didUpdateObject: object,
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atIndexPath: indexPath
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)
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}
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}
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),
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forKey: &NotificationKey.didUpdateObject,
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inObject: observer
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)
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setAssociatedRetainedObject(
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NotificationObserver(
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notificationName: ManagedObjectListControllerDidMoveObjectNotification,
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object: self,
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closure: { [weak self, weak observer] (note) -> Void in
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if let strongSelf = self,
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let strongObserver = observer,
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let userInfo = note.userInfo,
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let object = userInfo[UserInfoKeyObject] as? T,
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let indexPath = userInfo[UserInfoKeyIndexPath] as? NSIndexPath ,
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let newIndexPath = userInfo[UserInfoKeyNewIndexPath] as? NSIndexPath {
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strongObserver.managedObjectList(
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strongSelf,
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didMoveObject: object,
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fromIndexPath: indexPath,
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toIndexPath: newIndexPath
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)
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}
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}
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),
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forKey: &NotificationKey.didMoveObject,
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inObject: observer
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)
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}
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public func removeObserver<U: ManagedObjectListObserver where U.EntityType == T>(observer: U) {
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HardcoreData.assert(GCDQueue.Main.isCurrentExecutionContext(), "Attempted to remove a \(typeName(observer)) outside the main queue.")
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setAssociatedRetainedObject(nil as AnyObject?, forKey: &NotificationKey.willChangeList, inObject: observer)
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setAssociatedRetainedObject(nil as AnyObject?, forKey: &NotificationKey.didChangeList, inObject: observer)
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setAssociatedRetainedObject(nil as AnyObject?, forKey: &NotificationKey.didInsertObject, inObject: observer)
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setAssociatedRetainedObject(nil as AnyObject?, forKey: &NotificationKey.didDeleteObject, inObject: observer)
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setAssociatedRetainedObject(nil as AnyObject?, forKey: &NotificationKey.didUpdateObject, inObject: observer)
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setAssociatedRetainedObject(nil as AnyObject?, forKey: &NotificationKey.didMoveObject, inObject: observer)
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}
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// MARK: FetchedResultsControllerHandler
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func controller(controller: NSFetchedResultsController, didChangeObject anObject: AnyObject, atIndexPath indexPath: NSIndexPath?, forChangeType type: NSFetchedResultsChangeType, newIndexPath: NSIndexPath?) {
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private func controller(controller: NSFetchedResultsController, didChangeObject anObject: AnyObject, atIndexPath indexPath: NSIndexPath?, forChangeType type: NSFetchedResultsChangeType, newIndexPath: NSIndexPath?) {
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switch type {
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case .Insert:
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NSNotificationCenter.defaultCenter().postNotificationName(
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ManagedObjectListControllerDidInsertObjectNotification,
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object: self,
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userInfo: [
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UserInfoKeyObject: anObject,
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UserInfoKeyNewIndexPath: newIndexPath!
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]
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)
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case .Delete:
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NSNotificationCenter.defaultCenter().postNotificationName(
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ManagedObjectListControllerDidDeleteObjectNotification,
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object: self,
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userInfo: [
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UserInfoKeyObject: anObject,
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UserInfoKeyIndexPath: indexPath!
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]
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)
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case .Update:
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NSNotificationCenter.defaultCenter().postNotificationName(
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ManagedObjectListControllerDidUpdateObjectNotification,
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object: self,
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userInfo: [
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UserInfoKeyObject: anObject,
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UserInfoKeyIndexPath: indexPath!
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]
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)
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case .Move:
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NSNotificationCenter.defaultCenter().postNotificationName(
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ManagedObjectListControllerDidMoveObjectNotification,
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object: self,
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userInfo: [
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UserInfoKeyObject: anObject,
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UserInfoKeyIndexPath: indexPath!,
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UserInfoKeyNewIndexPath: newIndexPath!
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]
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)
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}
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}
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private func controller(controller: NSFetchedResultsController, didChangeSection sectionInfo: NSFetchedResultsSectionInfo, atIndex sectionIndex: Int, forChangeType type: NSFetchedResultsChangeType) {
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}
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func controller(controller: NSFetchedResultsController, didChangeSection sectionInfo: NSFetchedResultsSectionInfo, atIndex sectionIndex: Int, forChangeType type: NSFetchedResultsChangeType) {
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private func controllerWillChangeContent(controller: NSFetchedResultsController) {
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NSNotificationCenter.defaultCenter().postNotificationName(
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ManagedObjectListControllerWillChangeListNotification,
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object: self
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)
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}
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func controllerWillChangeContent(controller: NSFetchedResultsController) {
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private func controllerDidChangeContent(controller: NSFetchedResultsController) {
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NSNotificationCenter.defaultCenter().postNotificationName(
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ManagedObjectListControllerDidChangeListNotification,
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object: self
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)
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}
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func controllerDidChangeContent(controller: NSFetchedResultsController) {
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}
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func controller(controller: NSFetchedResultsController, sectionIndexTitleForSectionName sectionName: String?) -> String? {
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private func controller(controller: NSFetchedResultsController, sectionIndexTitleForSectionName sectionName: String?) -> String? {
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return nil
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}
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@@ -96,7 +308,7 @@ public final class ManagedObjectListController<T: NSManagedObject>: FetchedResul
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managedObjectContext: context,
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sectionNameKeyPath: sectionNameKeyPath,
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cacheName: (cacheResults
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? "\(ManagedObjectListController<T>.self).\(NSUUID())"
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? "\(self.dynamicType).\(NSUUID())"
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: nil)
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)
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@@ -105,7 +317,6 @@ public final class ManagedObjectListController<T: NSManagedObject>: FetchedResul
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self.fetchedResultsController = fetchedResultsController
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self.fetchedResultsControllerDelegate = fetchedResultsControllerDelegate
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self.parentStack = dataStack
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self.observers = NSHashTable.weakObjectsHashTable()
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fetchedResultsControllerDelegate.handler = self
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fetchedResultsControllerDelegate.fetchedResultsController = fetchedResultsController
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@@ -125,7 +336,6 @@ public final class ManagedObjectListController<T: NSManagedObject>: FetchedResul
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private let fetchedResultsController: NSFetchedResultsController
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private let fetchedResultsControllerDelegate: FetchedResultsControllerDelegate
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private weak var parentStack: DataStack?
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private let observers: NSHashTable
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}
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