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Re: GarageBandView? iMovieView? NSTimeLineView?

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Re: GarageBandView? iMovieView? NSTimeLineView?

Subject: Re: GarageBandView? iMovieView? NSTimeLineView?
From: "I. Savant" <email@hidden>
Date: Wed, 16 Aug 2006 08:14:30 -0400

Does a timeline view or the like exist in Cocoa? No. Is it easy to create? Relatively, yes.

  Give this a thorough read, front to back:

http://developer.apple.com/documentation/Cocoa/Conceptual/ CocoaViewsGuide/index.html

I would use a table view of view rows to manage the "tracks" a la the Stepwise example:

http://www.stepwise.com/Articles/Technical/2003-12-20.01.html

I would then make a custom NSView subclass called something like "TrackView" to manage / display the data for a particular 'track'. The more polished effects (like stuff moving out of the way during a drag operation) can be accomplished with NSAnimation and / or some fancy drawing techniques.

  Good luck!

--
I.S.


On Aug 16, 2006, at 6:59 AM, joe OneNinetyTwo wrote:

The NSTableView is nice, but something that would also
be useful is a kind of NSTimeLineView.    That is, you
have a discrete number of columns, but instead of
discrete rows you have a continuous variable (like
time), and you can place objects of given duration
anyway in a time line.
I see it in Garageband and in iMovie.   Does any kind
of NSTimeLineView/NSTimeLineColumn/NSTimeLineRow
exist?   Are these objects that can be built
relatively easily from existing objects?   If so, any
suggestions?
Thanks,
Philip
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  >GarageBandView?  iMovieView?   NSTimeLineView? (From: joe OneNinetyTwo <email@hidden>)




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