Re: initiate content of NSArray
Re: initiate content of NSArray
- Subject: Re: initiate content of NSArray
- From: "shaun" <email@hidden>
- Date: Tue, 22 Jun 2004 20:14:39 -0800
On Tue, 22 Jun 2004 17:29:04 -1000, "Art Isbell" <email@hidden> said:
> On Jun 22, 2004, at 3:48 PM, Goh Keng Boon wrote:
>
> > Hi can you explain in detail how to do that?
> >
> > I've already fetch all content into an NSArray and bind this array to
> > List of WORepetition, i need to set value for one of the attribute
> > inside that NSArray(for every record),
> > so i'm not sure how to set that? Am i going to loop through the
> > NSArray to set them record by record?
>
> > On 22-Jun-04, at 11:52 PM, wojingo wrote:
>
> >> I think you could use awakeFromFetch(called for you when fetched from
> >> DB:)
>
> If you're always going to set the value of one or more attributes of
> each object fetched, as wojingo suggested, implement awakeFromFetch()
> in the EO class to set the value of one or more attributes. This will
> occur automatically as each object is fetched. Don't forget to send
> super an awakeFromFetch() message.
>
> If you won't always set attribute values as each object is fetched,
> then you'll need to iterate through each object in the array.
> WORepetition is already iterating through the array, so if you
> implement anInvoiceItem()/setAnInvoiceItem(), you can set the values of
> each attribute in setAnInvoiceItem() which WORepetition will invoke for
> each object in the array.
>
> So the approach you choose depends on what you need to do.
>
> Aloha,
> Art
Hi,
You could probably call takeValueForKeyPath on the array to do what you
need.
There is also a nice method that I have used in the past called
makeObjectsPerformSelector
I can remember which class implements it though, NSArray or EOObject. et
al. :)
regards
-
shaun
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