将工具栏与多个 NSViewController 一起使用
我有一个基于文档的单窗口应用程序，它加载多个用作主视图的 NSViewController。每个视图控制器都是一个独立的类，用于处理某些业务需求，并因此实现工作所需的所有方法。
我的问题是如何在加载特定视图控制器时使工具栏工作。只要它们在窗口类中实现，我就可以将工具栏连接到委托并将工具栏项目连接到操作。但是，如果我尝试在视图的 loadView 方法上为工具栏项设置新操作，则工具栏项会忽略它并继续调用主窗口类上的方法。
那么，如何动态更改工具栏项上的操作呢？
I've a single window Document-based application that loads several NSViewControllers that serve as the main view. Each view controller is a self-contained class that deals with certain business needs and as such implements all methods necessary to work.
My problem is how to make the toolbar work when a specific view controller is loaded. I've no problems wiring the toolbar to a delegate and the toolbar items to actions as long as these are implemented in the window class. But if I try to set a new action for a toolbar item on the loadView method of a view, the toolbar item simply ignores it and continues calling the method on the main window class.
So, how can I dynamically change the action on a toolbar item?
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你也设定目标了吗？ （即
[foo setTarget:]除了[foo setAction:]）大概你的窗口控制器有某种
currentViewControllerivar/property？切换视图控制器时最好不要重新分配工具栏操作，而是使用窗口控制器将它们传递到当前活动的视图控制器上。Are you setting the target as well? (ie
[foo setTarget:]in addition to[foo setAction:])Presumably your window controller has some sort of
currentViewControllerivar/property? It might be better not to reassign the toolbar actions when switching view controllers, and instead use the window controller to pass them on the currently active view controller.