Well, if EL isn't that popular, and a mapping function is sufficient, we should 
probably stick with the simpler approach. It will be much easier to implement, 
and we can always consider adding or changing expression syntax in a later 
release if there appears to be a need for it.

On Aug 24, 2010, at 5:55 PM, Dirk Moebius wrote:

> OTOH, everybody hates JSF EL because of its deficiencies: only small subset 
> of common language expressions, yet another DSL to learn, no method 
> invocations with parameters (solved in JSF 2.0?!? I dunno...)
> 
> Dirk.
> 
> Greg Brown wrote:
>> That's very interesting. I wasn't aware of EL. Definitely worth looking into.
>> 
>> On Aug 24, 2010, at 5:08 PM, Dirk Möbius wrote:
>> 
>>> Greg Brown wrote:
>>>> However, there may still be something we can do. Let's give it some 
>>>> thought.
>>> 
>>> Maybe Pivot should go the JSF route and support EL expressions:
>>> 
>>>  <PushButton enable="${!listView.selectedRanges.empty}"/>
>>>  <PushButton enable="${listView.selectedItems.length>  0}"/>
>>>  <PushButton enable="${listView.selectedItem != null}"/>
>>> 
>>> Apache commons-el comes to mind.
>>> 
>>> Dirk.
>> 
> 

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