Re: Alternate bg colors for table and address summaries

Robert,

>I want to have one summary return with a grey background and the other 
>summary with a white background.

One thing before looking at the solution to your problem.  In your XSLT
stylesheet, you have:

><HTML xmlns:xsl="http://www.w3.org/TR/WD-xsl";>

This is the old namespace for XSLT, which is now
"http://www.w3.org/1999/XSL/Transform";.  You should change your HTML start
tag to be:

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

You should also make sure that you have the latest version of MSXML
(September) so that you can use conformant XSLT in all its glory.  You can
get it from http://msdn.microsoft.com/downloads/webtechnology/xml/msxml.asp
and should also take a look at the unofficial MSXML FAQ at
http://www.netcrucible.com/xslt/msxml-faq.html.

So... on to your problem.  You want to have the two summaries in different
colours.  The place where you set the colour of the summary is within
@STYLE attribute of the DIV element:

>      <DIV STYLE="background-color:#FFFFFF; color:white; padding:4px">

Now, for the first summary, you want a gray background:

  STYLE="background-color:gray; color:white; padding:4px"

And for the second summary, you want a white background:

  STYLE="background-color:white; color:white; padding:4px"

To change the value of an attribute dependent on a condition, the best
thing to do is to use xsl:attribute to create the attribute, and then
xsl:choose to determine what the content should be inside it:

<DIV>
  <xsl:attribute name="STYLE">
    <xsl:choose>
      <xsl:when test="...">background-color:gray; </xsl:when>
      <xsl:otherwise>background-color:white; </xsl:otherwise>
    </xsl:choose>
    <xsl:text>color:white; padding:4px</xsl:text>
  </xsl:attribute>
  ...
</DIV>

The difficulty that it sounds like you were facing is what the 'test'
should be - how to determine whether the background colour should be gray
or white.  At the point at which this test is made, you're within an
xsl:for-each; the current node is a Summary, and the current node list
contains all the Summary elements that are children of Address-Summaries
within the document.  This means you can tell whether the current node (a
Summary) is the first Summary element in the list or not by checking its
position():

  test="position() = 1"

If you have lots of Summary elements and you want to alternate colours odd
and even, then you can check whether a Summary element is in an odd
position using mod:

  test="position() mod 2 = 1"

So, try:

<DIV>
  <xsl:attribute name="STYLE">
    <xsl:choose>
      <xsl:when test="position() mod 2 = 1">background-color:gray; </xsl:when>
      <xsl:otherwise>background-color:white; </xsl:otherwise>
    </xsl:choose>
    <xsl:text>color:white; padding:4px</xsl:text>
  </xsl:attribute>
  ...
</DIV>

I hope that this helps,

Jeni

Jeni Tennison
http://www.jenitennison.com/


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