Subject: [xsl] sorting and preceding-sibling - only print *first* in sorted list?? From: "Hardy Merrill" <HMerrill@xxxxxxxxxxxxxxxx> Date: Tue, 12 Oct 2004 09:55:29 -0400 |
I know this topic has been covered ad-nauseum, but even after reading the faq and googling, I can't quite "get" what I need to do to make this work. Here is a sample xml doc: <legislators> <legislator> <legislator_id>1</legislator_id> <legislator_active>1</legislator_active> <legislator_active_date>20020101000000</legislator_active_date> <district_id>046</district_id> <district_type>A</district_type> <district_no>001</district_no> <full_name>Doe, John J.</full_name> </legislator> <legislator> <legislator_id>21</legislator_id> <legislator_active>0</legislator_active> <legislator_active_date>19960101000000</legislator_active_date> <district_id>046</district_id> <district_type>A</district_type> <district_no>001</district_no> <full_name>Smith, Jane</full_name> </legislator> <legislator> <legislator_id>95</legislator_id> <legislator_active>1</legislator_active> <legislator_active_date>20020101000000</legislator_active_date> <district_id>034</district_id> <district_type>A</district_type> <district_no>002</district_no> <full_name>Jones, Daniel</full_name> </legislator> </legislators> I want my xsl style sheet to produce html with the records in this order: District Legislator ---------- --------------- 001 A Doe, John J. 001 A Smith, Jane 002 A Jones, Daniel Notice that legislators for the same district are listed together. What I can't seem to figure out is how to ONLY print the district info for the *first* district in the sorted list. So I *want* that listing to look like this: District Legislator ---------- --------------- 001 A Doe, John J. Smith, Jane 002 A Jones, Daniel Currently I have this for-each loop and sort's: <xsl:for-each select="$section_legislators"> <xsl:sort select="district_type" /> <xsl:sort select="district_no" data-type="number" /> <xsl:sort select="legislator_active_date" data-type="number" order="descending" /> I was trying to use "preceding-sibling" to figure out if the previous sibling ***in sorted order*** had the same district, but I've now figured out after reading on the subject that "preceding-sibling" does not operate on the sorted tree - instead it operates on the original tree that is in "document" order. I'd like to use the best/most efficient method to solve this problem - the muncheon technique using keys if possible. Can I do that, and if so, how? TIA. Hardy Merrill New York State Division of Housing & Community Renewal
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