[Zope-dev] dtml-in: next-batches

[Brett Carter]

I've also discovered that setting overlap = 0 actually causes
everything to overlap by 1.   I didn't see anything in the collector
about this either...
-Brett


>>>>> "Brett" == Brett Carter <brett@kavi.com> writes:

    Brett> I'm running Zope 2.2.2, and I'm trying to use the batching stuff for
    Brett> the dtml-in tag, however, I can't seem to access any attributes off
    Brett> the 'next-batches' or 'previous-batches' mapping object that's
    Brett> supposed to be available, with the attributes 'batch-start-index',
    Brett> 'batch-end-index', and 'batch-size'.  However, my example code (see
    Brett> below) blows up with a key error when trying to access any of these.
    Brett> Is this a bug, or am I just misunderstanding how to use this thing?

    Brett> I wrote an external method to dir the 'next-batches' object, and it
    Brett> seems the only attributes available are:
    Brett> ['data', 'items', 'query_string', 'start_name_re']
    Brett> -Brett

    Brett>  <p>
    Brett> <dtml-in "mystuff.retseq()" size=5 start=start>
    Brett>  <dtml-var sequence-item>
    Brett> </dtml-in> </p>
    Brett> <p>

    Brett> <dtml-in "mystuff.retseq()" size=5 start=start previous>
    Brett>  <a href="<dtml-var absolute_url>/batch_me?start=<dtml-var previous-sequence-start-index>">Previous</a>
    Brett> </dtml-in>

    Brett> <dtml-in "mystuff.retseq()" size=5 start=start next overlap=-1>
    Brett>   <dtml-try>
    Brett>     <dtml-in next-batches>
    Brett>       <dtml-var batch-start-index><br>
    Brett>     </dtml-in>
    Brett>   <dtml-except>
    Brett>    <pre>
    Brett>    <dtml-var error_type><br>
    Brett>    <dtml-var error_value><br>
    Brett>    <dtml-var error_tb><br>
    Brett>    </pre>
    Brett>   </dtml-try>
   
    Brett>  <a href="<dtml-var absolute_url>/batch_me?start=<dtml-var next-sequence-start-index>">Next</a>
    Brett> </dtml-in>

    Brett> </p>

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