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Re: Updating a cell in NSTableView - it just will not draw! [SOLVED]
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Re: Updating a cell in NSTableView - it just will not draw! [SOLVED]


  • Subject: Re: Updating a cell in NSTableView - it just will not draw! [SOLVED]
  • From: Graham Cox <email@hidden>
  • Date: Mon, 21 Apr 2008 16:08:43 +1000

Great, got it working now. Thanks a lot for the lead... to be honest pulling the dataSource's strings feels a bit hackish but at least it's confined to the controller class that is the table's dataSource, so it's a unique place in my app anyway. Works a treat ;-)

I also feel I understand tables a lot better suddenly...

G.


On 21 Apr 2008, at 3:48 pm, Jens Alfke wrote:

On 20 Apr '08, at 10:40 PM, Graham Cox wrote:

So the question is: is there a way to trigger the reload of just a single row? This isn't necessarily the selected row... if I just mark for update the cell rect for the row/column is NSTableView smart enough to only request the data for that row/column?

Yup. You don't need to explicitly tell the table to reload the data for a row, because it doesn't cache it. It asks the dataSource every time it needs to display any cells. (The only thing the table caches is the number of rows.)


—Jens

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References: 
 >Updating a cell in NSTableView - it just will not draw! (From: Graham Cox <email@hidden>)
 >Re: Updating a cell in NSTableView - it just will not draw! (From: Jens Alfke <email@hidden>)
 >Re: Updating a cell in NSTableView - it just will not draw! (From: Graham Cox <email@hidden>)
 >Re: Updating a cell in NSTableView - it just will not draw! (From: Jens Alfke <email@hidden>)

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