nsoutlineview - w3toppers.com

How to customize disclosure cell in view-based NSOutlineView

Solution 1: Subclass NSOutlineView and override makeViewWithIdentifier:owner: – (id)makeViewWithIdentifier:(NSString *)identifier owner:(id)owner { id view = [super makeViewWithIdentifier:identifier owner:owner]; if ([identifier isEqualToString:NSOutlineViewDisclosureButtonKey]) { // Do your customization } return view; } For Source Lists use NSOutlineViewShowHideButtonKey. Solution 2: Interface Builder The button is added to the column and the identifier set to NSOutlineViewDisclosureButtonKey. Official documentation from … Read more

Subclassing NSOutlineView [closed]

Firstly, before you subclass an object, you should ask yourself “do I need to do this?”. Subclassing is a more complex way of interacting and extending the functionality of other classes, so you should make sure that what you are trying to achieve cannot easily be achieved through another, simpler method, such as delegation, notifications … Read more