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RE: newbie prob - Template and navigation confusion???

2005-02-03 11:22:33
That makes perfect sense, except i'm not too sure how to 
apply a condition 
that way. I'm only aware of xsl:choose, xsl:when and 
xsl:otherwise logic. 

I hope you're not using this list as your only source of information...

How can a condition be applied in a template match?

There are some examples at
http://www.w3.org/TR/xslt#patterns

Michael Kay
http://www.saxonica.com/



From: "Michael Kay" <mike(_at_)saxonica(_dot_)com>
Reply-To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
To: <xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com>
Subject: RE: [xsl] newbie prob - Template and navigation confusion???
Date: Thu, 3 Feb 2005 14:39:32 -0000

Instead of writing

if (condition)
  apply-templates select=X mode=A
else
  apply-templates select=X mode=B

template match=X mode=A

template match=X mode=B

write instead:

  apply-templates select=X

template match=X[condition]

template match=X[not(condition)]

That is: let the template rules do the work.

You haven't shown your source document but it seems a little 
odd. Usually
documents with a ROWSET and ROW are rather flat, they tend 
only to have one
level of element below the ROW. You appear to have

TEAM/TEAM_ROW/NAME/NAME_ROW/SALARY

within each ROW. Can each of these elements only appear once 
in each row? 
If
so, why all the nesting? But if not, your stylesheet logic 
looks wrong,
because the apply-templates processes all the elements in 
the set, while 
the
when condition tests if ANY element satisfies the condition. 
(But it's
possible this is what you intended, who knows?)

Michael Kay
http://www.saxonica.com/



-----Original Message-----
From: Nick Roberts [mailto:nick_roberts5(_at_)hotmail(_dot_)com]
Sent: 03 February 2005 13:44
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] newbie prob - Template and navigation confusion???

I'm quite new the XSL and what i've have produced so far has
taken some
considerable time. I'm slowly getting used to the way
templates work but i'm
still having some probs with my code.

In the below code, there is a 'when' condition which states
that the when
the salary is greater than 30000, match the 'dark' template..
which sets the
background colour of a table-box to grey.

Although this sort-of works, it seems to pick random boxes to
turn grey,
some which aren't above 30000, and others which are. Also,
some which are
over 30000 aren't turned grey??

I presume it must be something to do with the way i'm
navigating through the
xml document.

Can anyone spot any problems with the code?

Cheers, Nick


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

  <xsl:template match="page">
    <html>
      <head><title>Footy stuff</title></head>
       <body>
        <h1>Football Report</h1><hr/>
         <xsl:for-each select="ROWSET/ROW">
          <h2><xsl:apply-templates
select="TEAM/TEAM_ROW/TEAMNAME"/></h2>
          <h3>Stadium: <xsl:apply-templates 
select="STADIUM"/></h3>
           <table border="1">
            <th><b>Last Name</b></th><th><b>Salary</b></th>
            <xsl:choose>
             <xsl:when
test="TEAM/TEAM_ROW/NAME/NAME_ROW/SALARY&gt;'30000'">
             <xsl:apply-templates
select="TEAM/TEAM_ROW/NAME/NAME_ROW"
mode="dark"/>
             </xsl:when>
             <xsl:otherwise>
             <xsl:apply-templates
select="TEAM/TEAM_ROW/NAME/NAME_ROW"
mode="light"/>
            </xsl:otherwise>
            </xsl:choose>
     </table>
          <xsl:call-template name="break"/>
         </xsl:for-each>
      </body>
    </html>
</xsl:template>

  <xsl:template match="NAME_ROW" mode="dark">
   <tr>
    <td><xsl:value-of select="LAST_NAME"/></td><td
bgcolor="gray"><xsl:value-of select="SALARY"/></td>
   </tr>
  </xsl:template>

  <xsl:template match="NAME_ROW" mode="light">
   <tr>
    <td><xsl:value-of select="LAST_NAME"/></td><td><xsl:value-of
select="SALARY"/></td>
   </tr>
  </xsl:template>

  <xsl:template name="break">
   <hr/>
  </xsl:template>

</xsl:stylesheet>




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