Re: Quicklook not working for network volume items
Re: Quicklook not working for network volume items
- Subject: Re: Quicklook not working for network volume items
- From: "Norbert M. Doerner" <email@hidden>
- Date: Wed, 05 Oct 2011 09:14:18 +0200
Chris,
I am trying to get Quicklook working in an app
of mine. I'm not sure all these details are
relevant, but better to have more than less
info. I have a table that shows the number of
files in certain folders on a network volume. In
one column is the number of files, another
column shows the first couple files names, as a
string that was concatenated. My data object for
each row has an array that stores NSURL's of all
of the files.ÝI want the quicklook to show
previews for all the files in the folder.
So far I am successful in storing the NSURL's
and to retrieve them. When I bring up the
quicklook panel, I can see the number of items,
it displays a generic icon of the first file,
and I can cycle through to other files, and it
displays the name of each file correctly. BUT,
the preview panel will not show me a real icon
or preview of any file, only the generic blank
white page icon. If I override the panel methods:
- (id
<QLPreviewItem>)previewPanel:(QLPreviewPanel
*)panel previewItemAtIndex:(NSInteger)index
and
- (NSURL *)previewItemURL
to return an NSURL to a file on my hard drive,
then the quicklook preview works properly and I
see the actual image of the PDF. If I override
those methods to use a hard coded NSURL to the
same file on a network volume, the generic blank
white-document icon shows up.
So, what am I missing? I don't understand why
this works locally but not on a network volume.
The Finder shows the network item's quicklook
preview properly.
Do you get any error messages in Console.app when
you try to display the network file in Quicklook?
I have found that this framework sometimes emits
helpful messages if there are problems...
Yours,
--
Norbert M. Doerner
CEO, West-Forest-Systems
In der Trift 13
56459 Langenhahn, Germany
Fon: +49 (2663) 91 70 128 (Central European Time Zone...)
Fax: +49 (2663) 91 70 126
AIM (iChat), Skype: cdfinderceo
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