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Restructured ModelChangeObserving a bit

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michael starke
2016-08-28 14:32:18 +02:00
parent e9b9ca9425
commit 793176bf2d
4 changed files with 24 additions and 34 deletions
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18
MacPass/MPModelChangeObserving.h
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@@ -12,15 +12,27 @@ NS_ASSUME_NONNULL_BEGIN
@protocol MPModelChangeObserving <NSObject>
/* A class conforming to the protocoll will shoudl always fire the appropriate notifications listes below
You need to overwrite setValue:forKeyPath in a conforming class. For convinience you can just call the helper and lett it do the job
*/
FOUNDATION_EXTERN NSString *const MPWillChangeModelNotification;
FOUNDATION_EXTERN NSString *const MPDidChangreModelNotification;
FOUNDATION_EXTERN NSString *const MPDidChangeModelNotification;
FOUNDATION_EXTERN NSString *const MPModelChangeObservingKeyPathKey;
@required
- (void)observerModelChangesForKeyPath:(NSString *)keyPath;
@end
- (void)willChangeModel;
- (void)didChangeModel;
/* Use this helper to fire the right notifications */
@interface MPModelChangeObservingHelper : NSObject
+ (void)willChangeModelKeyPath:(NSString *)keyPath observer:(id<MPModelChangeObserving>)observer;
+ (void)didChangeModelKeyPath:(NSString *)keyPath observer:(id<MPModelChangeObserving>)observer;
- (void)setValue:(id)value forKeyPath:(NSString *)keyPath forTarget:(id)target;
@end