On Jan 28, 2012, at 4:23 PM, Erik Stainsby <erik.stain...@roaringsky.ca> wrote:

> Hello list folks,
> 
> I'm struggling with the abstraction and sketchy documentation that surround 
> NSRuleEditor. I feel a need to know that the effort is worthwhile, versus 
> cobbling together something in a table or outline view instead.
> 
> The domain I am working in really fits well within the structured rule editor 
> model. I have many lists of finite scope which have an inherent hierarchy and 
> each choice made implies filters for the remaining options.
> 
> But I am really confused by the highly flexible model of the rule editor. The 
> toughest part right now is that I am unable to see how the NSRuleEditor 
> instance populates a given row, based on having received either a 
> stringValue, a menuItem or a control/view.  Where in all of this have I the 
> opportunity to establish the layout and orientation of the various widgets 
> for a given row?  
> 
> One example I have found (NibBasedSpotlightSearcher.xcodeproj - circa 2006) 
> presents a window in the nib which holds clusters of related controls in a 
> single view. I'm doing the gasping guppy trying to see where in the code 
> those individual controls are addressed, loaded and applied. 
> 
> Has anyone got a nakedly simple example of a minimalist use of the 
> NSRuleEditor they could point me to? 


Hi Erik,

Have you considered using the simpler NSPredicateEditor instead? It's worth 
taking a look even if your data model is not directly an NSPredicate, as long 
as you can map to and form NSPredicate.

See the NSPredicateEditorRowTemplate header. NSPredicateEditor populates a row 
based on calling -templateViews and inserting your views into the row.

-Peter



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