Category Archives: Objective-C
Saving and loading data: NSCoding and NSKeyedArchiver
There are several ways to store data for Cocoa applications. You could implement your own file loading and saving methods and store the data in any number of formats you want, but it’s time-consuming. You could use Cocoa’s built-in database … Continue reading
Posted in Cocoa, Objective-C
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Concepts: Delegation and protocols
One concept that pops up frequently in Cocoa programming is that of delegation. In fact, we’ve already seen that concept in my previous post about NSOutlineView. We set the delegate of our NSOutlineView to be the TodoController. We also set … Continue reading
Posted in Cocoa, Concepts, Objective-C
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Sources lists and NSOutlineView
First up on my list of tasks to perform is to set up the sidebar to display the groups and sections. When choosing from the elements in Interface Builder (IB), there are two options: Outline Views, or Source Lists. An … Continue reading
Posted in Cocoa, Objective-C
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