Re: Dynamically controlling sort order based on values in the XML

Hi,

         Check out my comments below:



<xsl:template match="DISPLAY">
   <xsl:variable name="sort_col"
select="CONFIG/COL[ORDERBY/text()='1']/ID/text()" />

   <xsl:apply-templates select="DATA/ROW" mode="do_data">

                              <!-- VVVVVVVVVVVVVVVVVV Remove the
/VALUE/text() from here  -->
      <xsl:sort select="COL[(_at_)ID=$sort_col]/VALUE/text()" />
<!-- +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
     <xsl:sort select="COL[(_at_)ID=$sort_col2]/VALUE/text()" />

<!-- You are sorting on nodes not on their content. If you want to sort by
more than 1 col you can specify one more sort instruction as above. -->

   </xsl:apply-templates>


</xsl:template>

<xsl:template match="ROW" mode="do_data">
   <xsl:value-of select="COL[(_at_)ID='ColA']/VALUE/text()" />, <xsl:value-of
select="COL[(_at_)ID='ColB']/VALUE/text()" />, <xsl:value-of
select="COL[(_at_)ID='ColC']/VALUE/text()" />, <xsl:value-of
select="COL[(_at_)ID='ColD']/VALUE/text()" />

<!-- You just list the columns you want displayed above -->

   <br />
</xsl:template>

Hope this helps.

Cheers,
Prakash






                                                                                
                                   
                    "Steve W"                                                   
                                   
                    <lsl(_at_)btconnec        To:     
<xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com>                              
   
                    t.com>               cc:     (bcc: omprakash.v/Polaris)     
                                   
                                         Subject:     [xsl] Dynamically 
controlling sort order based on values in  
                    06/03/2005           the XML                                
                                   
                    02:57 PM                                                    
                                   
                    Please                                                      
                                   
                    respond to                                                  
                                   
                    xsl-list                                                    
                                   
                                                                                
                                   
                                                                                
                                   




I have some xml that looks like :

<DISPLAY>
    <CONFIG>
        <COL>
            <ID>ColA</ID>
            <ORDERBY DIRECTION="ASC">1</ORDERBY>
        </COL>
        <COL>
            <ID>ColB</ID>
            <ORDERBY DIRECTION="DSC">2</ORDERBY>
        </COL>
    </CONFIG>
    <DATA>
        <ROW>
            <COL ID="ColA">
                <VALUE>BBB</VALUE>
            </COL>
            <COL ID="ColB">
                <VALUE>111</VALUE>
            </COL>
        </ROW>
        <ROW>
            <COL ID="ColA">
                <VALUE>CCC</VALUE>
            </COL>
            <COL ID="ColB">
                <VALUE>333</VALUE>
            </COL>
        </ROW>
        <ROW>
            <COL ID="ColA">
                <VALUE>AAA</VALUE>
            </COL>
            <COL ID="ColB">
                <VALUE>222</VALUE>
            </COL>
        </ROW>
    </DATA>
</DISPLAY>

I have a stylesheet that outputs the data sorted by the element in CONFIG
where COL/ORDERBY/text() is 1,  which looks like :

<xsl:template match="DISPLAY">
   <xsl:variable name="sort_col"
select="CONFIG/COL[ORDERBY/text()='1']/ID/text()" />
   <xsl:apply-templates select="DATA/ROW" mode="do_data">
      <xsl:sort select="COL[(_at_)ID=$sort_col]/VALUE/text()" />
   </xsl:apply-templates>
</xsl:template>

<xsl:template match="ROW" mode="do_data">
   <xsl:value-of select="COL[(_at_)ID='ColA']/VALUE/text()" />, <xsl:value-of
select="COL[(_at_)ID='ColB']/VALUE/text()" />
   <br />
</xsl:template>

This gives me :
AAA, 222
BBB, 111
CCC, 333

I need to be able to sort the data based on the CONFIG element of the XML
and I don't know ahead of time how many columns there are going to be in
the
dataset and how many of them I will need to sort by.

Can anyone suggest a way to achive this ?

Thanks

Steve


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