NSPredicateEditorRowTemplate subclass to support relationships in Interface Builder

RowTemplateRelationship

class RowTemplateRelationshipAny: NSPredicateEditorRowTemplate {

    override func predicate(withSubpredicates subpredicates: [NSPredicate]?) -> NSPredicate{

        let predicate: NSComparisonPredicate = super.predicate(withSubpredicates: subpredicates) as! NSComparisonPredicate

        let newPredicate = NSComparisonPredicate(leftExpression: predicate.leftExpression, rightExpression: predicate.rightExpression, modifier: .any, type: predicate.predicateOperatorType, options: predicate.options)

        return newPredicate
    }

}

class RowTemplateRelationshipAll: NSPredicateEditorRowTemplate {

    override func predicate(withSubpredicates subpredicates: [NSPredicate]?) -> NSPredicate{

        let predicate: NSComparisonPredicate = super.predicate(withSubpredicates: subpredicates) as! NSComparisonPredicate

        let newPredicate = NSComparisonPredicate(leftExpression: predicate.leftExpression, rightExpression: predicate.rightExpression, modifier: .all, type: predicate.predicateOperatorType, options: predicate.options)

        return newPredicate
    }

}