Hi Sandro,
it seems, that NSCollectionViews are not used very frequently, among the
Members of this list. I've asked several questions regarding NSCollectionsViews
here, but almost never got a reply.
I've never done drag&drop from or to a NSCollectionView, so I can't help you
either. I've done it among the items in the View but never used the techniques
introduced in 10.6. Sorry...
regards,
Joachim
Am 20.02.2010 um 20:58 schrieb Sandro Noël:
> So should I understand that NCCollectionView as a Drag Source is Broken
> enough
> for no one in this list to pay it attention?
>
> Has anyone got it working?
>
> I'm Confused.
> Drop destination works like a charm for me, just by implementing the
> NSCollectionViewDelegate protocol as part of my window controller
> the delegate being set for the Collection view in interface builder as the
> window controller.
>
> There are also methods for the drag Source but i can't seem to get them
> working properly.
> I can drag my item from the CollectionView to another CollectionView, the
> drop get's accepted
> but then, i get an error about URL's, i've never asked for URL's as a mater
> of fact my destination accepts only one type.
> NSFilenamesPboardType
>
> which is an array of strings containing file path.
> that is exactly what i construct to past to the pasteboard as so.
> - (BOOL)collectionView:(NSCollectionView *)collectionView
> writeItemsAtIndexes:(NSIndexSet *)indexes toPasteboard:(NSPasteboard
> *)pasteboard{
> ENTERING();
> [pasteboard clearContents];
> [pasteboard declareTypes:[NSArray
> arrayWithObject:NSFilenamesPboardType] owner:nil];
> // we only allow one object to be selected.
> DItem *object = [[itemsArrayController selectedObjects]
> objectAtIndex:0];
> [pasteboard writeObjects:[NSArray arrayWithObject:object.path]];
> return YES;
> }
> [30040:a0f] Looked for URLs on the pasteboard, but found none.
>
> any clue is welcome.
> thanks
>
> Sandro._______________________________________________
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