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RE: Different Colors for Alternating Rows

Subject: RE: Different Colors for Alternating Rows
From: "Schwartz, Rechell R, ALABS" <rrschwartz@xxxxxxx>
Date: Fri, 27 Jun 2003 14:21:37 -0500
xslt alternating rows
Americo,

Your solution was the most promising so far. The time to execute was less than half of what I had before, but unfortunately that is still long (now it's about 3 minutes, compared to 7.5 minutes).

The solutions that looked like they held promise from a performance point of view, but which didn't seem to work due to array index out of bound errors were the ones that recursively re-applied the template match for select="following-sibling:tr[1]." (I wonder if somehow it's faster to get the following-sibling than the previous sibling.)

Thanks very much,
Rechell Schwartz

-----Original Message-----
From: Américo Albuquerque [mailto:melinor@xxxxxxx] 
Sent: Friday, June 27, 2003 11:48 AM
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: RE:  Different Colors for Alternating Rows

Hi

> -----Original Message-----
> From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx 
> [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Schwartz, Rechell R, ALABS
> Sent: Thursday, June 26, 2003 4:08 PM
> To: Schwartz, Rechell R, ALABS; xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: RE:  Different Colors for Alternating Rows
> 
> 
> Before I throw in the towel on this one, I tried my own 
> approach, which I thought should work, but didn't. Any 
> insights would be appreciated. 

Try this, it worked with the example provided

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

  <xsl:template match="table">
    <xsl:copy>
      <xsl:apply-templates mode="oddeven" select="tr[td[not(a or
@class)]]"/>
    </xsl:copy>
  </xsl:template>

  <xsl:template match="tr" mode="oddeven">
    <xsl:variable name="pos" select="position() mod 2"/>
    <!-- the non selected nodes are precessed by the identity template and
are selected here. -->
    <xsl:apply-templates select="preceding-sibling::tr[td[a or
@class]][generate-id(following-sibling::tr[td[not(a or
@class)]])=generate-id(current())]"/>
    <xsl:copy>
      <!-- you could use xsl:choose if you want, I use a boolean test to set
the correct mode -->
      <xsl:apply-templates mode="odd" select="node()[$pos=1]"/>
      <xsl:apply-templates mode="even" select="node()[$pos=0]"/>
    </xsl:copy>
  </xsl:template>

  <xsl:template match="td" mode="odd">
    <xsl:copy>
      <xsl:apply-templates select="@*"/>
      <xsl:attribute name="class">oddMedium</xsl:attribute>
      <xsl:apply-templates/>
    </xsl:copy>
  </xsl:template>

  <xsl:template match="td" mode="even">
    <xsl:copy>
      <xsl:apply-templates select="@*"/>
      <xsl:attribute name="class">evenMedium</xsl:attribute>
      <xsl:apply-templates/>
    </xsl:copy>
  </xsl:template>


Hope this helps you
(...)



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