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Re: populate a custom sub-class with data from bindings - SOLVED
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Re: populate a custom sub-class with data from bindings - SOLVED


  • Subject: Re: populate a custom sub-class with data from bindings - SOLVED
  • From: "Adam Gerson" <email@hidden>
  • Date: Fri, 21 Mar 2008 19:20:54 -0400

The answer in my case was to first impliment some NSOutlineView
extenssions so that I could actually access the objects stored in the
tree. These can be found at:

http://homepage.mac.com/matthol2/cocoa/page2/page2.html

Then I implemented the NSOutlineView delegate method

- (void)outlineView:(NSOutlineView *)outlineView
willDisplayCell:(id)cell forTableColumn:(NSTableColumn *)tableColumn
item:(id)item

to update the values in the custom cell from the data in my item.


On Wed, Mar 19, 2008 at 7:05 PM, Adam Gerson <email@hidden> wrote:
> I want to use the custom Apple subclass ImageAndTextCell.h in my
>  NSOutlineView. How would I hook up the Text and Images used by this
>  custom sub-class to a TreeController's data? The "value" binding
>  already populates the text of the cell. Is there away for me to add a
>  second binding to the sub-class and set it programatically? Then with
>  a ValueTransformer I could populate the NSImage as well.
>
>  I am reading through "Cocoa Bindings Programming Topics"
>
>  Thanks,
>  Adam
>
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