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At 2009-04-24 18:04 +0200, Leo Studer wrote:
Note you could have just said the following without creating the variable, though I suppose some processors would optimize that out:
<xsl:copy-of select="my:MakeTableRow(current-grouping-key(),current-group())"/>
In one pass you would need to recalculate the 8th column for each entry in the group.
Interesting ... with just a quick review, I suppose you are doing that recalculation since you are returning the row and indexing off of the 8th column, so I am unsure why the above does not work for you.
Create the rows and then sort them:
That way you aren't doing the complicated row building twice, only once, and the second pass is a simple copy of nodes.
I think you might find that better than trying to find out why rebuilding the row for the sort criteria isn't working for you.
I hope this helps.
. . . . . . . . . Ken
p.s. just before hitting "send" I see David has quickly determined it was a namespace problem, so the above would be modified along the lines of:
Re: [xsl] How to sort by elements of a function output?
Subject: Re: [xsl] How to sort by elements of a function output? From: "G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx> Date: Fri, 24 Apr 2009 12:17:47 -0400 |
At 2009-04-24 18:04 +0200, Leo Studer wrote:
I am using Saxon-SA9.1.0.6 to transform the following XML file: ... with the stylesheet ... <xsl:function name="my:MakeTableRow"> <xsl:param name="team"/> <xsl:param name="matches"/> <tr> ... </tr> </xsl:function> ... <xsl:for-each-group select="/results/match" group- by="team"> <xsl:variable name="tableRow" select="my:MakeTableRow(current-grouping-key(),current-group())"/> <xsl:copy-of select="$tableRow"/> </xsl:for-each-group>
Note you could have just said the following without creating the variable, though I suppose some processors would optimize that out:
<xsl:copy-of select="my:MakeTableRow(current-grouping-key(),current-group())"/>
In the tag <xsl:for-each-group select="/results/match" group-by="team"> I would like to sort the outcome by the $tableRow/td[8] contents (i.e. the points) . How do I do that?
In one pass you would need to recalculate the 8th column for each entry in the group.
The approach
<xsl:for-each-group select="/results/match" group-by="team">
<xsl:sort select="my:MakeTableRow(current-grouping- key(),current-group())/td[8]"
order="descending"/>
<xsl:copy-of select="my:MakeTableRow(current-grouping- key(),current-group())"/>
</xsl:for-each-group>
Interesting ... with just a quick review, I suppose you are doing that recalculation since you are returning the row and indexing off of the 8th column, so I am unsure why the above does not work for you.
Any suggestions?
Create the rows and then sort them:
<xsl:variable name="rows" as="element(tr)+"> <xsl:for-each-group select="/results/match" group-by="team"> <xsl:copy-of select="my:MakeTableRow(current-grouping- key(),current-group())"/> </xsl:for-each-group> </xsl:variable> <xsl:for-each select="$rows"> <xsl:sort select="td[8]"/> <xsl:copy-of select="."/> </xsl:for-each>
That way you aren't doing the complicated row building twice, only once, and the second pass is a simple copy of nodes.
I think you might find that better than trying to find out why rebuilding the row for the sort criteria isn't working for you.
I hope this helps.
. . . . . . . . . Ken
p.s. just before hitting "send" I see David has quickly determined it was a namespace problem, so the above would be modified along the lines of:
<xsl:variable name="rows" as="element(xhtml:tr)+"> <xsl:for-each-group select="/results/match" group-by="team"> <xsl:copy-of select="my:MakeTableRow(current-grouping- key(),current-group())"/> </xsl:for-each-group> </xsl:variable> <xsl:for-each select="$rows"> <xsl:sort select="xhtml:td[8]"/> <xsl:copy-of select="."/> </xsl:for-each>
-- XSLT/XSL-FO/XQuery hands-on training - Los Angeles, USA 2009-06-08 Training tools: Comprehensive interactive XSLT/XPath 1.0/2.0 video Video lesson: http://www.youtube.com/watch?v=PrNjJCh7Ppg&fmt=18 Video overview: http://www.youtube.com/watch?v=VTiodiij6gE&fmt=18 G. Ken Holman mailto:gkholman@xxxxxxxxxxxxxxxxxxxx Crane Softwrights Ltd. http://www.CraneSoftwrights.com/s/ Male Cancer Awareness Nov'07 http://www.CraneSoftwrights.com/s/bc Legal business disclaimers: http://www.CraneSoftwrights.com/legal
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