Re: Finder-like user interface?

[Andreas Mayer]

> Am 27.12.2015 um 23:45 schrieb SevenBits :
> 
> NSCollectionView appears to suffice, and I’ve used it before, but it simply 
> isn’t performant as it doesn’t reuse cells, 

NSCollectionView does reuse cells when you use the new API available in 10.11.

I find it quite performant. Would be even better if it did some predictive 
loading of cells. You know, loading cells that are just one row/column out of 
view. (I should file a feature request.)


Andreas
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Re: Finder-like user interface?

[Uli Kusterer]

On 28 Dec 2015, at 01:15, Graham Cox  wrote:
>> On 28 Dec 2015, at 9:45 AM, SevenBits  wrote:
>> 
>> For a new application I’m building I need to have a view showing a 
>> grid-based layout of files, similar to the default view of the Finder. I’m 
>> not sure how to implement this. NSCollectionView appears to suffice, and 
>> I’ve used it before, but it simply isn’t performant as it doesn’t reuse 
>> cells, and it doesn’t seem like it’s designed for this kind of thing. On the 
>> other kind, NSBrowser seems to be built for representing the file system, 
>> but based on example code I’ve found on ADC it only seems suitable for 
>> building an interface out of Miller columns, which isn’t suitable for me.
>> 
>> Is anyone aware of how to do something like this? I’m open to using 
>> 3rd-party components and/or code if necessary.
> 
> I’ve used Uli Kusterer’s UKDistributedView for this, using a cell class of my 
> own, and a few other mods. I’m not sure if Uli is still maintaining this, but 
> it did the job.  
> http://www.cocoabuilder.com/archive/cocoa/93982-ann-ukdistributedview-finder-icon-view.html
> 
> Uli reads this list, he may be able to tell you the latest news.

 I'm using the version on my Github at 
https://github.com/uliwitness/UKDistributedView in Stacksmith, so it still 
compiles and runs. That said, the look of the included cell is not quite 
in-line with today's Finder (I think it's more like 10.5's or so), and if I was 
doing this class again today, I'd probably try to switch to using CALayers 
instead of cells. Also, of course the IB plugin stuff in there is no longer 
useful. But the main view and cell classes proper should be a decent (and 
reasonably performant) starting point for your needs. Pull requests are 
appreciated.

Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://stacksmith.org





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Re: Finder-like user interface?

[Alex Zavatone]

Uli, since you put this together, would you have any insight into finding a 
method to disable the cascade roll down and roll up animation that happens in 
today's Finder and within Xcode as well?

I find it very annoying (and visually distracting) that I have to wait for an 
animation to finish after clicking on a disclosure triangle in an NSOutlineView 
when in the old days, the contents would either display or hide instantly.

It would be awesome if there is a way to get the instant response that we used 
to get.  The less superfluous animations, the better.

Thanks,
Alex Zavatone

On Dec 28, 2015, at 3:38 AM, Uli Kusterer wrote:

> On 28 Dec 2015, at 01:15, Graham Cox  wrote:
>>> On 28 Dec 2015, at 9:45 AM, SevenBits  wrote:
>>> 
>>> For a new application I’m building I need to have a view showing a 
>>> grid-based layout of files, similar to the default view of the Finder. I’m 
>>> not sure how to implement this. NSCollectionView appears to suffice, and 
>>> I’ve used it before, but it simply isn’t performant as it doesn’t reuse 
>>> cells, and it doesn’t seem like it’s designed for this kind of thing. On 
>>> the other kind, NSBrowser seems to be built for representing the file 
>>> system, but based on example code I’ve found on ADC it only seems suitable 
>>> for building an interface out of Miller columns, which isn’t suitable for 
>>> me.
>>> 
>>> Is anyone aware of how to do something like this? I’m open to using 
>>> 3rd-party components and/or code if necessary.
>> 
>> I’ve used Uli Kusterer’s UKDistributedView for this, using a cell class of 
>> my own, and a few other mods. I’m not sure if Uli is still maintaining this, 
>> but it did the job.  
>> http://www.cocoabuilder.com/archive/cocoa/93982-ann-ukdistributedview-finder-icon-view.html
>> 
>> Uli reads this list, he may be able to tell you the latest news.
> 
> I'm using the version on my Github at 
> https://github.com/uliwitness/UKDistributedView in Stacksmith, so it still 
> compiles and runs. That said, the look of the included cell is not quite 
> in-line with today's Finder (I think it's more like 10.5's or so), and if I 
> was doing this class again today, I'd probably try to switch to using 
> CALayers instead of cells. Also, of course the IB plugin stuff in there is no 
> longer useful. But the main view and cell classes proper should be a decent 
> (and reasonably performant) starting point for your needs. Pull requests are 
> appreciated.
> 
> Cheers,
> -- Uli Kusterer
> "The Witnesses of TeachText are everywhere..."
> http://stacksmith.org
> 
> 
> 
> 
> 
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Re: Finder-like user interface?

[SevenBits]

> On Dec 28, 2015, at 3:38 AM, Uli Kusterer  
> wrote:
> 
> On 28 Dec 2015, at 01:15, Graham Cox  wrote:
>>> On 28 Dec 2015, at 9:45 AM, SevenBits  wrote:
>>> 
>>> For a new application I’m building I need to have a view showing a 
>>> grid-based layout of files, similar to the default view of the Finder. I’m 
>>> not sure how to implement this. NSCollectionView appears to suffice, and 
>>> I’ve used it before, but it simply isn’t performant as it doesn’t reuse 
>>> cells, and it doesn’t seem like it’s designed for this kind of thing. On 
>>> the other kind, NSBrowser seems to be built for representing the file 
>>> system, but based on example code I’ve found on ADC it only seems suitable 
>>> for building an interface out of Miller columns, which isn’t suitable for 
>>> me.
>>> 
>>> Is anyone aware of how to do something like this? I’m open to using 
>>> 3rd-party components and/or code if necessary.
>> 
>> I’ve used Uli Kusterer’s UKDistributedView for this, using a cell class of 
>> my own, and a few other mods. I’m not sure if Uli is still maintaining this, 
>> but it did the job.  
>> http://www.cocoabuilder.com/archive/cocoa/93982-ann-ukdistributedview-finder-icon-view.html
>> 
>> Uli reads this list, he may be able to tell you the latest news.
> 
> I'm using the version on my Github at 
> https://github.com/uliwitness/UKDistributedView in Stacksmith, so it still 
> compiles and runs.

This looks great, thanks. One small issue, though: when I compiled and ran your 
example code in El Capitan, it appears as if the view doesn’t properly respond 
when the window’s size is adjusted. I would expect this to happen automatically 
when the view’s frame changes. Is something not working properly on my end, or 
is this a “feature”?

> That said, the look of the included cell is not quite in-line with today's 
> Finder (I think it's more like 10.5's or so), and if I was doing this class 
> again today, I'd probably try to switch to using CALayers instead of cells.

It doesn’t need to work like the Finder; it just needs to look like the Finder 
and allow the user to select elements.

Also, I noticed there’s a macro named LAYER_BASED in MyDataSource.m in the 
sample code. Is using a layer backed view already supported.

> Also, of course the IB plugin stuff in there is no longer useful. But the 
> main view and cell classes proper should be a decent (and reasonably 
> performant) starting point for your needs. Pull requests are appreciated.

Does this class still require a license for commercial use? It seems to say 
that on your website, but the license makes no mention of it. Could you clear 
this up?

> 
> Cheers,
> -- Uli Kusterer
> "The Witnesses of TeachText are everywhere..."
> http://stacksmith.org
> 
> 
> 
> 



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Re: Finder-like user interface?

[Graham Cox]

> On 28 Dec 2015, at 9:45 AM, SevenBits  wrote:
> 
> For a new application I’m building I need to have a view showing a grid-based 
> layout of files, similar to the default view of the Finder. I’m not sure how 
> to implement this. NSCollectionView appears to suffice, and I’ve used it 
> before, but it simply isn’t performant as it doesn’t reuse cells, and it 
> doesn’t seem like it’s designed for this kind of thing. On the other kind, 
> NSBrowser seems to be built for representing the file system, but based on 
> example code I’ve found on ADC it only seems suitable for building an 
> interface out of Miller columns, which isn’t suitable for me.
> 
> Is anyone aware of how to do something like this? I’m open to using 3rd-party 
> components and/or code if necessary.



I’ve used Uli Kusterer’s UKDistributedView for this, using a cell class of my 
own, and a few other mods. I’m not sure if Uli is still maintaining this, but 
it did the job.  
http://www.cocoabuilder.com/archive/cocoa/93982-ann-ukdistributedview-finder-icon-view.html

Uli reads this list, he may be able to tell you the latest news.

—Graham



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