Hello,
I'm trying to implement a Google-like pagination using the dtml-in
"batching system", and I'm getting some very strange results. Either
I'm overlooking something obvious or there is a problem with dtml-in.
See attached source code of simplified example that produces the strange
results.
The first time I access the page the results are as follows:
0-9 10-19 20-29 30-39 40-49 50-59 60-69 70-79
If I click '10-19' it'll take me to batch_start=10, which gives the
following strange results:
0-8 10-19 19-28 29-38 39-48 49-58 59-68 69-78 79-79
I have no idea why the first batch is now 0-8 and the next batch is now
19-28. Shouldn't they be 0-9 and 20-29 like above?
I'm using Zope 2.6.1 precompiled Linux version.
-----------------------------
<dtml-let
batch="_.range(100, 180)"
batch_size="10"
batch_start="REQUEST.get('batch_start', 0)">
<dtml-in batch start="batch_start" size="batch_size" overlap="0">
&dtml-sequence-item;<br>
</dtml-in>
<dtml-in batch start="batch_start" size="batch_size" previous
overlap="0">
<dtml-in previous-batches mapping>
<a href="<dtml-var URL><dtml-var
sequence-query>batch_start=&dtml-batch-start-index;">
&dtml-batch-start-index;-&dtml-batch-end-index;
</a>
</dtml-in>
</dtml-in>
<STRONG>&dtml-batch_start;-<dtml-var "batch_size + _.int(batch_start) -
1"></STRONG>
<dtml-in batch start="batch_start" size="batch_size" next overlap="0">
<dtml-in next-batches mapping>
<a href="<dtml-var URL><dtml-var
sequence-query>batch_start=&dtml-batch-start-index;">
&dtml-batch-start-index;-&dtml-batch-end-index;
</a>
</dtml-in>
</dtml-in>
</dtml-let>
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