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Re: NSTokenField Drag and Drop

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Re: NSTokenField Drag and Drop

Subject: Re: NSTokenField Drag and Drop
From: Nick Zitzmann <email@hidden>
Date: Mon, 29 Sep 2008 08:17:22 -0600


On Sep 28, 2008, at 6:57 PM, Chris Idou wrote:

However, when I drag a token ("Token") from the palette to the field, it arrives as a string and not a token. tokenField:(NSTokenField *)tokenField styleForRepresentedObject:(id)representedObject gets called with a NSString and not a "Token" class. I read somewhere you need to implement - (void)encodeWithCoder:(NSCoder *)encoder and - (id)initWithCoder: (NSCoder *)decoder on your Token, which I did, but they don't seem to get called.

Has anyone got any tips or example code?

When I ran into this problem, I ended up solving it by subclassing NSTokenField and overriding -performDragOperation: to call - tokenField:readFromPasteboard:, which apparently the default implementation doesn't do when dragging, and from there insert the token and send out the did-change notification.

Nick Zitzmann
<http://www.chronosnet.com/>

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  >NSTokenField Drag and Drop (From: Chris Idou <email@hidden>)




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