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Using simpler aproach for modelChange proadcasting by using the document as broadcaster

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michael starke
2016-08-30 12:59:27 +02:00
parent da295b9acd
commit 8b60e9ec84
13 changed files with 74 additions and 269 deletions
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21
MacPass/MPDocument.h
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@@ -224,6 +224,27 @@ FOUNDATION_EXPORT NSString *const MPDocumentDidExitHistoryNotification;
@end
#pragma mark -
#pragma mark ModelChanges
/**
* Notifications will be posted by the document to inform about changes to a model property being displayed
*/
FOUNDATION_EXPORT NSString *const MPDocumentWillChangeModelPropertyNotification;
FOUNDATION_EXPORT NSString *const MPDocumentDidChangeModelPropertyNotification;
@interface MPDocument (ModelChange)
/**
* Call this on the document ot inform it about changes about to happen. This is an entry point for views and controllers to notify others about changes done to the model.
* You coudl also observer modification times on objects but this way it's impossible to determine the source of the change. Undo/Redo or external plugins or merging can all introduce
* changes to a database that aren't relevant.
* The main use case for this is to update the history of entries on editing
*/
- (void)willChangeModelProperty;
- (void)didChangeModelProperty;
@end
#pragma mark -
#pragma mark Search