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RE: [xsl] Conditionally create an html table based upon existance of one or two node sets

2010-03-30 13:58:11
Thanks Michael,

In this case the xml is used to construct a query and the tool that generates 
the xml will leave parts of the xml empty if it cannot translate a spec.  
Should have mentioned that earlier.

The objective of the template is to identify the row and/or column elements 
that are missing children, so it's possible that there are missing fragments.

Rod



-----Original Message-----
From: Michael Kay [mailto:mike(_at_)saxonica(_dot_)com] 
Sent: Tuesday, March 30, 2010 2:47 PM
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: RE: [xsl] Conditionally create an html table based upon existance of 
one or two node sets


Although you stated the requirement as generating the table if its content
was non-empty, I reckoned that if either of the input node-sets was
non-empty then the table content would also be non-empty, so it's more
efficient and easier (and possible in XSLT 1.0) to test the input node-sets
rather than saving the output tree in a variable.

Regards,

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

-----Original Message-----
From: Rod Kane [mailto:rkane(_at_)claritysystems(_dot_)com] 
Sent: 30 March 2010 19:40
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: RE: [xsl] Conditionally create an html table based 
upon existance of one or two node sets

Thanks Wendell, have not used that before and will look into it.

Thanks again,

Rod

-----Original Message-----
From: Wendell Piez [mailto:wapiez(_at_)mulberrytech(_dot_)com]
Sent: Tuesday, March 30, 2010 2:38 PM
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] Conditionally create an html table based 
upon existance of one or two node sets

Rod,

At 02:02 PM 3/30/2010, you wrote:
I need to create a table if either the second and third 
"apply-template"  directives return nodes, and otherwise 
create nothing .

Bind them to a variable so:

<xsl:variable name="results">
   <xsl:apply-templates .../>
   <xsl:apply-templates .../>
</xsl:variable>

then generate your table if $results has any content.

In XSLT 1.0 the easiest way is to test for non-whitespace text:

<xsl:if test="normalize-space($results)">
   <table border="1"  width="85%" >
     <xsl:copy-of select=$results"/>
   </table>
</xsl:if>

In XSLT 2.0 you can be smarter about what's inside $results.

You can also split $results into two variables if you need to 
handle the two apply-templates results separately.

Good luck,
Wendell


 "Fiscal Year" is the Dimension name and C02 and C09 are 
the "Column 
Group Name"s, but the table creation is not quite correct 
as the rows 
are not displayed correctly.

Thank you in advance.

Rod



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

<xsl:template match="/">
<HTML>
<BODY>
       <xsl:apply-templates select="Template"/>
       <xsl:apply-templates

select="Template/Queries/DataQuery/Abstract/Columns/Groups/Gr
oup/Dimens
ions/Dimension[count(*)
= 0]"/>
       <xsl:apply-templates

select="Template/Queries/DataQuery/Abstract/Rows/Groups/Group
/Dimension
s/Dimension[count(*)
= 0]"/>
</BODY>
</HTML>
</xsl:template>


<xsl:template match="Template">
       <B>    Template Name:       <xsl:value-of select="@Name" 
/>          </B>
       <BR/><BR/>

       <xsl:choose>
              <xsl:when

test="./Queries/DataQuery/Abstract/Columns|Rows/Groups/Group/Dimension
s/Dimension[count(*)
= 0]">

                     <TABLE BORDER="1"  width="85%" >
                           <TR   BGCOLOR="D3D3D3" >
                                  <TD 
width="65%">     <xsl:text>Dimension Name</xsl:text>        
     </TD>
                                  <TD> 
<xsl:text>Column Group Name</xsl:text>   </TD>
                           </TR>
                     </TABLE>

                     </xsl:when>
       </xsl:choose>

</xsl:template>




<xsl:template match="Dimension">

                     <xsl:for-each select=".">
                           <TR   BGCOLOR="D3D3D3" >
                                  <TD 
width="65%">     <xsl:value-of select="./@Name" />        </TD>
                                  <TD> 
<xsl:value-of select="../../@Name" />    </TD>
                           </TR>
                     </xsl:for-each>

</xsl:template>


</xsl:stylesheet>



======================================================================
Wendell Piez                            
mailto:wapiez(_at_)mulberrytech(_dot_)com
Mulberry Technologies, Inc.                http://www.mulberrytech.com
17 West Jefferson Street                    Direct Phone: 301/315-9635
Suite 207                                          Phone: 301/315-9631
Rockville, MD  20850                                 Fax: 301/315-8285
----------------------------------------------------------------------
   Mulberry Technologies: A Consultancy Specializing in SGML 
and XML 
======================================================================


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