Re: [xsl] Grouping problem?

["Benjamin Farrow" <lovinjess@xxxxxxxxxxx>]

Well perhaps I've found a solution...it appears to be working anyhow.  Any 
comments would be welcome.

<xsl:stylesheet version="1.0" 
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>

 <xsl:key name="groupByTen"
          match="ele"
          use="ceiling(sum(preceding-sibling::ele/@sum|@sum) div 10)"/>

 <xsl:template match="/">
   <xsl:apply-templates select="node()|@*"/>
 </xsl:template>

 <xsl:template match="ele">
   <xsl:variable name="sum" 
select="sum(preceding-sibling::ele/@sum|@sum)"/>
   <xsl:if test="generate-id(key('groupByTen',ceiling($sum div 10))[1]) = 
generate-id(.) and
                 position() != 1">
     <br/>
   </xsl:if>
   <xsl:copy>
     <xsl:apply-templates select="node()|@*"/>
   </xsl:copy>
 </xsl:template>

 <xsl:template match="node()|@*">
   <xsl:copy>
     <xsl:apply-templates select="node()|@*"/>
   </xsl:copy>
 </xsl:template>

</xsl:stylesheet>





> From: "Benjamin Farrow" <lovinjess@xxxxxxxxxxx>
> Reply-To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: [xsl] Grouping problem?
> Date: Tue, 22 Apr 2003 12:06:02 -0700
>
> All,
>  I don't know how to explain my problem in words very concisely, so I'll 
> try with a simplified example.
>
> SourceXML:
> <root>
>  <ele sum="3"/>
>  <ele sum="4"/>
>  <ele sum="2"/>
>  <ele sum="10"/>
>  <ele sum="7"/>
>  <ele sum="5"/>
>  <ele sum="1"/>
>  <ele sum="2"/>
> </root>
>
> Desired Output:
> <root>
>  <ele sum="3"/>
>  <ele sum="4"/>
>  <ele sum="2"/>
>  <br/>          <!-- next element makes total greater than 10 -->
>  <ele sum="10"/>
>  <br/>          <!-- next element makes total greater than 20 -->
>  <ele sum="7"/>
>  <br/>          <!-- next element makes total greater than 30 -->
>  <ele sum="5"/>
>  <ele sum="1"/>
>  <ele sum="2"/>
> </root>
>
> I'm trying to break apart the ele element when the sum total of preceding 
> siblings and self is greater than the increment of 10 by putting an element 
> to denote the break.
>
> I've tried some crazy tests with mod and div and I've looked over the 
> Muenchian grouping, but I still can't come up with a way to arbitrarily set 
> the break points.  I know there is a solution and I get close, but I just 
> can't get around it.
>
> Here is my template (also have the standard identity template) with which 
> I'm trying to get this working.  I just can't figure out the if test for 
> this though.
>
> XSL:
>  <xsl:template match="ele">
>    <xsl:variable name="sum" 
> select="sum(preceding-sibling::ele/@sum|@sum)"/>
>    <xsl:if test="$sum &gt; (floor($sum div 10) * 10)">
>      <br/>
>    </xsl:if>
>    <xsl:copy>
>      <xsl:apply-templates select="node()|@*"/>
>    </xsl:copy>
>  </xsl:template>
>
> Thanks in advance,
>  Benjamin
>
>
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