Re: [xsl] second level grouping in XSLT 1.0

Hi Susan,
  Please try this stylesheet. It uses the nodeset
extension function.

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:xalan="http://xml.apache.org/xalan";
exclude-result-prefixes="xalan">
<xsl:output method="html" indent="yes"/>
	
<xsl:key name="by-library" match="section-02"
use="library" />
<xsl:key name="by-collection" match="temp/section-02"
use="collection" />

<xsl:template match="/root">
   <html>
     <head>
       <title></title>
     </head>
     <body>
       <table border="1">
          <xsl:for-each
select="section-02[generate-id(.) =
generate-id(key('by-library', library)[1])]">	   
<xsl:sort select="library" />
	    <tr>
	      <td><xsl:value-of select="library" /></td>
	    </tr>
	    <xsl:variable name="rtf">
	       <temp>
	         <xsl:copy-of select="key('by-library',
library)" />
	       </temp>
	    </xsl:variable>  
	    <xsl:for-each
select="xalan:nodeset($rtf)/temp/section-02[generate-id(.)
= generate-id(key('by-collection', collection)[1])]">
	      <xsl:sort select="collection" />
	      <tr>
	        <td><xsl:value-of select="collection" /></td>
                <td><xsl:value-of
select="count(key('by-collection', collection))"
/></td>
	      </tr>
	    </xsl:for-each>
	  </xsl:for-each>
	</table>   
      </body>
    </html>
</xsl:template>

</xsl:stylesheet>

Regards,
Mukul

--- Susan Campbell <SCampbell@xxxxxxxxxxxxxx> wrote:

> Greetings,
> I am unable to get second level grouping to work.  I
> suspect I need to use the second key I have defined,
> but I'm not sure how to use it.  I now get more
> information than I want/need but I don't know how to
> limit it and when I do, I'm not sure how to count
> it.  Any help will be greatly appreciated.
> Thanks,
> Susan
> 
> Here's what I want (in a table):
> Jacksonville
> Audio-Visual	2
> Circulation	1
> Miami 
> Circulation	1
> Melbourne
> Children's	1
> Orlando
> Reserves	1
> Tampa
> Circulation 	2
> Reference	1
> 
> My xml looks like this:
> <section-02>
> <number>57189<number>
> <library>TAMPA<library>
> <collection>Circulation<collection>
> <section-02>
> <section-02>
> <number>57199<number>
> <library>TAMPA<library>
> <collection>Circulation<collection>
> <section-02>
> <section-02>
> <number>57179<number>
> <library>TAMPA<library>
> <collection>Reference<collection>
> <section-02>
> <section-02>
> <number>57169<number>
> <library>JACKSONVILLE<library>
> <collection>Audio-Visual<collection>
> <section-02>
> <section-02>
> <number>57159<number>
> <library>JACKSONVILLE<library>
> <collection>Circulation<collection>
> <section-02>
> <section-02>
> <number>57159<number>
> <library>JACKSONVILLE<library>
> <collection>Audio-Visual<collection>
> <section-02>
> <section-02>
> <number>57109<number>
> <library>ORLANDO<library>
> <collection>Reserves<collection>
> <section-02>
> <section-02>
> <number>57239<number>
> <library>MIAMI<library>
> <collection>Circulation<collection>
> <section-02>
> <section-02>
> <number>57000<number>
> <library>MELBOURNE<library>
> <collection>Children's<collection>
> <section-02>
> 
> And the xslt I've been trying with looks like this
> (comment show where I know I'm wrong):
> <xsl:stylesheet
>    xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> version="1.0">
> <xsl:include href="funcs.xsl"/>
> <xsl:key name="kCampus" match="section-02"
> use="library"/>
> <xsl:key name="kCollection" match="section-02"
> use="concat(library, ':', collection)"/>
> 
> <xsl:template match="/">
>     <xsl:call-template name="header"/>
>     <xsl:call-template name="BuildGrid"/> 
> </xsl:template>
> 
> <xsl:template name="header">
>     <xsl:call-template name="header-gen">
>        <xsl:with-param name="title" select="'Number
> of loans by campus and collection'"/>
>     </xsl:call-template>
> </xsl:template>
> 
> 
> <xsl:template name="BuildGrid">
>  <center>
>   <table border='1'> 
>    <xsl:for-each select="//section-02[generate-id()
> = generate-id(key('kCampus', library))]">
> 		<xsl:sort select="library" order="ascending"/>
> 			 <tr>
> 			 <td colspan='3' align='center'>
> 				 <xsl:value-of select="."/>
> 			 </td>
> 			 </tr>
> 			 <!-- not what I need, I need each collection
> only once
> 			 per campus when relevant and then a count for
> each collection -->
>          <xsl:apply-templates 
> 	select="//section-02[library = current()/library]"
> 	mode="collection">
> 	<xsl:sort select="collection" order="ascending"/>
> 				 </xsl:apply-templates> 
> 	 </xsl:for-each>
>   </table>
>  </center>
> </xsl:template>
> 
> <xsl:template  match="section-02" mode="collection">
> 	<tr>
> 	<td>
> 	<xsl:value-of select="collection"/>
> 	</td>
> 	<td>
> 	<!-- placeholder for count of nodes by
> collection/campus -->
> 	<xsl:value-of select="'loans'"/>
> 	</td>
> 	</tr>
> 	</xsl:template> 
> </xsl:stylesheet>



		
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