Re: FileWrappers
Re: FileWrappers
- Subject: Re: FileWrappers
- From: Rainer Brockerhoff <email@hidden>
- Date: Sat, 17 Jan 2004 14:24:54 -0200
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From: April Gendill <email@hidden>
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Date: Sat, 17 Jan 2004 01:41:53 -0700
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I have been looking at some of the file packages here and there and
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have come to the conclusion I don't understand how they work. So... I
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examined the code for textedit but it only deals with rtfd which really
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does not help. I've looked on Apple's site but other than the docs
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which are less informative than the header files there was no info I
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could find.
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What I am working on has three different files that it uses and for a
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part of it all three are used, and I would like to use a package file
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to handle this but I cannot seem to find any useful information or even
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a simple example. In the docs it talks about dictionaries and such but
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I don't see any .dict or other similar files in the package (using
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terminal ls -a) thus the data is obviously stored elsewhere. Where can
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I find something either laid out for those of us less informed in cocoa
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or some examples that create their own packages for an idea of how this
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is done. My structure is simple really, 1 array of items that is
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actually the master list, one array that is dormant and 1 that is
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currently being worked with.
As has been explained elsewhere, you need to declare your file extension with the LSTypeIsPackage key set to YES in the CFBundleDocumentTypes list. When creating a file package, create a folder with that file extension, and inside that there's no set format. So you can create several files inside the folder, and handle them as you wish.
I also recommend setting the folder's package flag (which for folders has the same value as kHasBundle in <Finder.h>), this is honored in Mac OS 9 and (at least for now) in Mac OS X, too.
So inside your package folder you could have a .plist file with the index arrays, or dictionaries, or whatever, and any number of other files.
HTH,
--
Rainer Brockerhoff <email@hidden>
Belo Horizonte, Brazil
"It's extremely unlucky to be superstitious, for no other reason
than it is always unlucky to be colossally stupid." (Stephen Fry)
Weblog:
http://www.brockerhoff.net/bb/viewtopic.php
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