No, if you are processing a sorted sequence, then position() gives you the
position of the item in the sorted sequence, not its position before
sorting.
Michael Kay
http://www.saxonica.com/
-----Original Message-----
From: Jason Trépanier [mailto:jtrepanier(_at_)cforp(_dot_)on(_dot_)ca]
Sent: 10 March 2005 20:47
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] alternate row color in a table
How can a real "alternate row color in XSLT" be done??
I'll outline the problems with examples below, but I am hoping
someone will offer a solution to this problem.
The problem with using position() to alternate rows; is that
if you are
doing a query
on the data, you are not getting the data order. Selectively
choosing data
will mess up
the row colors because there are missing positions.
<?xml version="1.0" encoding="ISO-8859-1" ?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:output method="html" encoding="ISO-8859-1" indent="yes"/>
<xsl:param name="keyword">none</xsl:param>
<xsl:template match="/">
<xsl:for-each select="//books">
<xsl:sort order="ascending" select="title"/>
<xsl:if test="title/*= $keyword">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr class="myBkgnd_{position() mod 2}">
<td width="*" class="pad">
<xsl:value-of select="title" />
</td>
</tr>
</table>
</xsl:if>
</xsl:for-each>
</xsl:template>
if you pass this a keyword, it will display the results,
however, seeing
as how the results are not in sequential order, the
position() does not work
as one may wish. You will end up with several <tr>'s that are
style1 and
several <tr>'s that are style2 (in whatever order).
so lets take an example
say you have an xml file with this
<books>
<title>Book A</title>
<title>Pamphlet 1</title>
<title>Book B</title>
<title>Book C</title>
<title>Pamphlet 2</title>
</books>
and your keyword is "Book", the results will show
Book A (with style1) - actual position value = 1
Book B (with style1) - actual position value = 3
Book C (with style2) - actual position value = 4
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