Re: NSPredicateEditorRowTemplate and dynamic templateViews
Re: NSPredicateEditorRowTemplate and dynamic templateViews
- Subject: Re: NSPredicateEditorRowTemplate and dynamic templateViews
- From: Dave DeLong <email@hidden>
- Date: Tue, 30 Mar 2010 22:08:32 -0600
I'm still struggling with this. Does anyone know how I can either:
1. Use custom comparators in an NSPredicateEditorRowTemplate or
2. Have two templates with the same left expression and operator, but different right expression types?
Thanks,
Dave
On Mar 12, 2010, at 7:29 PM, Dave DeLong wrote:
> My date row templates allow me to do:
>
> "aDate is after aSpecificDate" and "aDate is in the last 30 days"
>
> Both of these are technically: "aDate > anotherDate"
>
> When I -init these custom row templates, I need to pass in an array of operators. I can't init both of these templates with a GreaterThan operator (I tried, and it complained). There's an operator listed in the documentation, "NSCustomSelectorPredicateOperatorType", which is presumably used with an NSComparisonPredicate, but there's very very little in there about how to use that from within an NSPredicateEditorRowTemplate. Can that operator type be used in a EditorRowTemplate (my attempts to do so have resulted in HIToolbox generating an Unknown Predicate Type exception)? If not, how can I have two different kinds of "greater than" comparisons in the same row template?
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