Re: How to skip items in a WORepetition ?

Fri, 30 Jun 2006 09:04:21 -0700

I'd recommend filtering the item in the java code.  You can use an EOQualifier to do this rather easily.

For example, to filter out items whose "status" attribute value is "hidden", you could use something like the following:

public NSArray filteredItems() {
return EOQualifier.filteredArrayWithQualifier(initialArray, new EOKeyValueQualifier("status", EOQualifier.QualifierOperatorNotEqual, "hidden"));
}

For more complicated filtering, you can use EOQualifier.qualifierWithQualifierFormat to build your qualifier.

--

Sam Barnum

360 Works

http://www.360works.com

415.865.0952

On Jun 29, 2006, at 2:28 PM, Paul Lynch wrote:


On 29 Jun 2006, at 22:13, Gavin Eadie wrote:

I want to display the contents of an NSArray and WORepetition is the perfect dynamic element to do that.  However, I want to complicate the world and be able to suppress some of the entries based on some computation performed on each Array element.

It seems I can do this at least two ways:

(1) ... filter the original NSArray through the computation to make a new NSArray and use that.

(2) ... play games with the processing of the WORepetition so it skips items.

Or (2), use a WOConditional within the repetition to do the filtering for you.  This is sort of 'playing games', but unfortunately it's easy rather than hard.

Paul
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