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Re: Suppressing NSDocument's "unsaved changes" alert

Jeremy,

To disable the default close/save alert panel you will want to override the method

- canCloseDocumentWithDelegate:shouldCloseSelector:contextInfo:

in NSDocument, and not call super's implementation. Just throw up your own dialog and call the shouldCloseSelector depending.

~Martin


On June 28 2004, Jeremy Dronfield <email@hidden> wrote:

>This seems like it should be easy, but I can't find a solution. I have
>a document-based application in which each document (representing a
>project) manages its constituent source files in a manner similar to
>Xcode. When the user tries to close the document window or quits, they
>are (or should be) presented with a "Save All" window which lists any
>unsaved files (again, similar to Xcode).
>
>The problem is that NSDocument's default alert panel always butts in,
>and I can't find a way to disable it. I've burrowed through the chain
>of methods called during window closing and application termination,
>but can't find any point at which I can choke this wretched little
>panel. Is there a way to do this, or am I going to have to go back and
>rewrite my application without the Cocoa document architecture?
>
>Regards,
>-Jeremy
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