Re: One more try - NSCollectionView multi-selection problem..
Re: One more try - NSCollectionView multi-selection problem..
- Subject: Re: One more try - NSCollectionView multi-selection problem..
- From: Robert Monaghan <email@hidden>
- Date: Tue, 10 Jul 2012 08:37:26 +0200
Ok,
So in the meantime, I have a bunch of customers filing bugs/feature requests to implement this ability..
(Its a popular request, shall we say..)
Is this something that can be overridden, turned on/off? Has anyone done this?
Thanks!
bob.
On Jul 10, 2012, at 3:48 AM, Graham Cox wrote:
> I believe for icon-type views, the idea that shift-selecting selects a range of items is no longer considered best practice these days. For example, the icon view in the Finder doesn't do that (list view does).
>
> command-click and shift-click are the same thing for icon views, i.e. they toggle the clicked item.
>
> --Graham
>
>
>
>
>
> On 09/07/2012, at 5:34 PM, Robert Monaghan wrote:
>
>> Hi Everyone,
>>
>> In a previous posting, I had a problem with NSCollectionView not selecting a range of objects, when shift-selecting items.
>> For example, if I were to click on object "3" and then shift-click on object "5", I would expect a range of 3,4,5 to be highlighted.
>> Instead only 3 and 5 are selected.
>>
>> Ok, so multi-selection works. Sorta..
>>
>> (BTW, this same behavior happens with Imagebrowser sample app from Apple.)
>>
>> I added an observer to my NSArrayController's "selectionIndexes" to see what it think is happening.
>> Sure enough, the NSArrayController is getting a bunch of ranges that look like this:
>>
>> <NSIndexSet: 0x100648650>[number of indexes: 2 (in 2 ranges), indexes: (2 4)]
>>
>> I would have expected something like this:
>> <NSIndexSet: 0x100362a50>[number of indexes: 3 (in 1 ranges), indexes: (2-4)]
>>
>> Suggestions?
>> I see a "setSelectionIndexes:" selector in the NSCollectionView object.
>> Do I need to do something here? It seems like a huge headache to "teach" NSCollectionView to do a properly shift-selection of a range.
>
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