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Questions tagged [nsarraycontroller]

on Mac OS X, NSArrayController is a bindings compatible class that manages a collection of objects

NSArrayController is a Cocoa class intended to bridge an array (instance of NSArray or its subclasses) and a suitable view, for instance a table view.

It provides a simple interface to add, remove, filter and sort the array, as well as the necessary bindings to interface these functions to Cocoa actions.

More information in the official docs

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NSArrayController bound to NSCollectionview

I'm kinda new into bindings, somehow prevented it. But I want to use them now. Talking about OSX and this is programmed in code not in IB. So, I have data coming from CoreData into my ArrayController. A NSCollectionView is bound to this…
bennibeef
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Is there any way of getting the parent from the child nsArraycontroller?

using cocoa bindings, i have bound to the following: ChildArrayController ContentSet bindto: ParentArrayController controllerkey: selection modelkeypath: children Is there any way of getting the parent from the child…
Gabe Rainbow
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NSTableView set column to disabled

I have a NSTableView tied to a NSArrayController. The first column are checkboxes. I want to have the users select the rows to perform an action on via the checkboxes and when the user clicks the "Run" button I want to set the state of that column…
skellington
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I have an NSmutable array which is bound to arraycontroller and a table view . The array contents are strings and I m able to display them in

I have an NSMutableArray and a table view which displays the data in NSMutable array. The array contents are string and its being displayed properly . I have used binding to display the data using array controller. When I try to edit the row of…
Manoj Udupa
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Change an entity attribute displayed in a table through an Array Controller

I have a set of attributes that are displayed in Tableview through an Array controller (all bindings), I have written some code to change one of the attributes based on the content of others. I wrote this in the .m file that Core data created for…
Canto
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Modifications on objects in NSUserDefaults-bound NSArrayController not saving

In my project, I have an NSArrayController bound to save to a the application's standard defaults (NSUserDefaults). This in itself works perfectly - objects added are saved and restored as expected. However, if I programmatically modify one of the…
John Wells
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Core Data: How to update an NSArrayController immediately after adding an NSManagedObject?

I am adding an instance in core data. The entity is represented by an NSArrayController. I would like to access the newly added instance through the controller. A "Skill" instance is added and then I try to access it through selectAddedObject as…
Carelinkz
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Array Controller not updating Table View until "Add" button is pressed

I'm new to Cocoa and Objective-C, so I'm following the Lynda courses and learning a lot. Thing is, I've encountered a problem that I cannot figure out, even though I seem to be doing it exactly the same way... Basically, I'm trying to get a Table…
Nerrolken
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is concurrently enumerating managed object in core data thread-safe

I need to update a value for each arranged object in Core Data, and I am currently using a loop. But I want to know if the following code is thread-safe or not, and why. ManagedObjectContext is not thread safe, explained…
Jensen
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Using Core Data with a non-document based app - Cocoa

I have worked with Core Data using document based apps. But know, I'm trying to build an app similar the Notes app on the Mac OS X. So I've created a non-document based app with a Data Model. I binded the values exactly the same way that I was doing…
Moray
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Add an object to an NSArrayController and have it save into the Entity

I have an NSArrayController that is connected to my Entity in Core Data. I have an IBOutlet attached to the NSArrayController so that I can add objects from my Delegate. I am trying to add an Object to the NSArrayController with a some presets. So…
benj9a4
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how to sort a view-based tableview

I can't manage to sort a view-based tableview. I use an arrayController that control an entity of core data. I tried to select a column and in the attribute inspector I used as a sort key the attributes name relative to that column and compare: as…
Luca Corletto
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Create and XML File in Xcode cocoa Application?

I grab a XML file from server and Parse it with the NSXMLParser and display it in a NSTableView. From there, i can add a row to the tableview. I am guessing the added information is added to the arrayController(I am very new to Xcode and…
Hunter Mitchell
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Persist the content and order of an array controller in cocoa

I have a Mac OS application that uses core data to persist its objects to disk, backed by sqlite. I have a tableView where all the NSManagedObject subclasses can be inspected. This is bound to an arrayController that is bound to an entity in a…
ryecroft
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get list of checked checkboxes through arraycontroller

i have an arraycontroller bound to the tableview. i need to return the number of checked checkoxes in the table. the arraycontroller is filled with nsmutabledictionaries. this is the code i have so far: -(IBAction)getlist:(id)sender{ checkedchecks =…
sharkyenergy
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