Very recently a new component arrived: ProgressiveDisplay. Very nice and very useful.

See http://tapestry.formos.com/nightly/tapestry5/tapestry-core/ref/org/apache/tapestry5/corelib/components/ProgressiveDisplay.html


I tried a very basic example, and it works. Still, I don't know how to do anything really useful with it.


My real world example:

<t:ProgressiveDisplay
    initial="block:checkingAvailability"
    class="progressiveDisplay">

                   ${hotel.id}
<t:block id="checkingAvailability">
                        Availability of ${hotel.name} is checked
                   </t:block>

</t:ProgressiveDisplay>


The initial block is displayed correctly, but the progressive display fails, because "property hotel is null within property expression hotel.id".


What do I have to do in order to pass some kind of context?


Thanks,
Andy


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