nsarraycontroller

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NSArrayController bound to NSUserDefaults with NSKeyedUnarchiveFromData value transformer

I have an NSArrayController instance bound to Shared User Defaults Controller. (see screenshot below) The key path points to an instance of NSData, when unarchived should give an array. But when the n[详细]

2023-03-19 00:28 分类：问答
Handling editing an NSTableView

I have an NSTableView backed by an NSArrayController subclass. The data displ开发者_如何学Goays correctly in the table when the app loads, so all is good there. I want to add a new row to the table, s[详细]

2023-03-18 22:34 分类：问答
NSArrayController subclass setFetchLimit in fetchWithRequest

I have a NSPopupButton that is bound to a CoreData backed NSArrayController. I subclassed the NSArrayController to set a fetchLimit and SortDescriptor.[详细]

2023-03-18 07:48 分类：问答
Filter NSSCrollView using date

I\'m having problem filtering an NSScrollViews contents using it\'s date column. I have an Entity that it\'s contains several attributes, such as Name , AccountNumber , DateOfPurchase , etc. This ent[详细]

2023-03-18 05:05 分类：问答
CoreData NSArrayController addObject: Agonizingly Slow

I have a CoreData app that imports information from an *.xml file. The file has two sections, summary and detail.[详细]

2023-03-16 10:07 分类：问答
How to Bind Content Set of NSArrayController to More than One NSArrayController Selection?

I am new to Objective-C, and I love it so far. However, I seem to be running in circles. I am trying to do as much a开发者_StackOverflows possible without writing code. Is it possible to effectively b[详细]

2023-03-15 14:58 分类：问答
Using distinctUnionOfObjects with an NSArrayController and NSTableView

I\'m having problem filtering an NSArrayController\'s content and binding it to the columns of an NSTableView.[详细]

2023-03-15 07:04 分类：问答
NSArrayControllers and heterogeneous arrays of Core Data objects

I\'m trying to create a Mac OS Core Data application that has an array of parent objects (called Levels) each of which contains a collection of child objects (called Blocks) via a one-to-many relation[详细]

2023-03-13 23:37 分类：问答
Objective-C undo manager questions

I\'m reading a book on Objective-c and learning about the undo manager.The concept seems very simple but the provided example seems overly complex.Basically, I have a table view connected to an NSArra[详细]

2023-03-12 23:03 分类：问答
Text field bound to array controller does not change the value in the array

I have a text field that I am using to show a \"total cost\" computed from several other text fields. When I get controlDidEndEditing:, I calculate this tota开发者_开发百科l cost and put it into the T[详细]

2023-03-09 06:01 分类：问答