Re: sorted table elements

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Subject: Re: sorted table elements
From: Joerg Heinicke <joerg.heinicke@xxxxxx>
Date: Fri, 04 Oct 2002 12:02:46 +0200

Hello Saverio,

you are on the right way, but it's a dead-end street ;-)

The problem: While you sort the elements and bring them into a new order, following-sibling still uses document order, not the order after the sorting. You must store the sorting in a variable:

<xsl:variable name="sortedElements">
    <xsl:for-each select="*">
        <xsl:sort data-type="text" select="name()"/>
        <xsl:copy-of select="."/>
    </xsl:for-each>
</xsl:variable>

But now you have a Result Tree Fragment (RTF) in your variable, no longer a node set, on which you can operate. You have to use an extension function zo convert it back to a node set. For this you can use EXSLT or vendor specific extension functions: http://www.exslt.org/exsl/functions/node-set/index.html.

<xsl:variable name="sortedElementsNodeSet" select="exslt:node-set($sortedElements)/*"/>

Now preceding-sibling or following-sibling works correctly:

<xsl:for-each select="$sortedElementsNodeSet[position() mod 4 = 1">
  <tr>
    <xsl:for-each select=".|following-sibling::node()[position() &lt; 4]">
      <td>...</td>
    </xsl:for-each>
  </tr>
</xsl:for-each>

Hope this works, it's untested ;-)

Regards,

Joerg

Saverio Perugini wrote:

Hello,

I'd like to produce a 4 column HTML table where each <td>
element is alphabetically sorted from cell 1,1 to cell n,4
(where n is the required number of rows).

The following is an attempt:

<table>
   <xsl:for-each select="*[position() mod 4 = 1]">
      <xsl:sort data-type="text" select="name()"/>
         <tr>
            <xsl:for-each select=".|following-sibling::node()[position() &lt; 4]">
               <td>...</td>
            </xsl:for-each>
         </tr>
   </xsl:for-each>
</table>

This code only sorts all the *[position() mod 4 = 1] elements.
Therefore, only column one is sorted, whereas I wanted the entire
table (an linear list from cell 1,1 to cell n,4 sorted).  Can this be done?

Thank You and Best Regards,

S. Perugini

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Current Thread
sorted table elements Saverio Perugini - Thu, 3 Oct 2002 10:07:47 -0400 (EDT) Joerg Heinicke - Fri, 4 Oct 2002 05:55:19 -0400 (EDT) <=

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