[Dev] item collection decisions

[Grant Baillie]

On Jul 5, 2005, at 9:10 , Alec Flett wrote:

> Ted Leung wrote:
>>
>> On Jul 1, 2005, at 10:54 AM, Grant Baillie wrote:
>>
>>> My understanding of the recurrence spec is that  
>>> CalendarEventMixin has a method
>>>
>>> getOccurrencesBetween(start, end) -> check for virtual events  
>>> that end after start and start before end, create any that don't  
>>> already exist, return an iterable of events ordered by startTime
>>>
>>> In the given case, don't we just need to run this on each  
>>> calendar event in the collection we're given? i.e. adding a  
>>> "pregeneration" callback API, and compiling a query, seem overly  
>>> complex to me. (Of course, there are plenty of other use cases  
>>> for FilteredCollections).
>>
>> This goal came from the recurrence spec.  If you guys want to call  
>> getOccurrences before executing the query, that's less work for me.
>>
> Yes! we still need this - and no we can't call getOccurences before  
> executing the query, because we don't have the items in the query  
> that we'd call getOccurences on!
>
> Its a bit of chicken-and-egg and so we really need the query to  
> call us back..

I thought we did have the items: we iterate over the items in the  
collection that's the result of filtering the sidebar collection by  
kind.

--Grant