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  • umbracocool 108 posts 197 karma points
    Apr 10, 2012 @ 20:13
    umbracocool
    0

    Problems to sort in xslt

    Hello friends

    I'm having trouble sorting a list of products, which are sorted in ascending, descending, by date, most recent, etc ... I'm trying to do this,

    but I get an error.

    Help please!.Thank you!

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  • Tom Fulton 2030 posts 4998 karma points c-trib
    Apr 10, 2012 @ 20:19
    Tom Fulton
    0

    Hi,

    Check out this gist from Chriztian, think it does exactly what you need (just change @createDate to @nodeName).

    -Tom

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  • umbracocool 108 posts 197 karma points
    Apr 10, 2012 @ 22:04
    umbracocool
    0

     

    Hi Tom, thanks for answering. I've been testing the sample you sent me, but I do not work yet. Can you help some more? to see if I can solve this problem, I'm not very expert in Umbraco XSLT

    This is what I have:

     

     

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  • Tom Fulton 2030 posts 4998 karma points c-trib
    Apr 10, 2012 @ 22:45
    Tom Fulton
    0

    Hi,

    Try removing the xsl:choose and xsl:when statements and just list the sort statements - if you look at the gist I linked it's not using them.  It's deciding which statements to use via the predicates ($createDate [$page = 'desc']) - if $page = asc this statement will be ignored.  At least I'm pretty sure that's how it works :)

    -Tom

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  • Chriztian Steinmeier 2800 posts 8791 karma points MVP 8x admin c-trib
    Apr 10, 2012 @ 23:59
    Chriztian Steinmeier
    1

    Hi umbracocool,

    The main reason your code won't work is because xsl:sort is only allowed inside xsl:for-each and xsl:apply-templates  - but there's another very tricky problem which you can stare at all day long until you suddenly see it:

    You need to know that a select attribute always takes an XPath expression, so what your $page variable is actually set to is the value of a <byNameAsc> element in a context you can't even get access to – you just want it to be a string, so you need to put some single-quotes around it:

    <xsl:variable name="page" select="'byNameAsc'" />

    With that out of the way, rewrite th rest to something like this:

    <xsl:for-each select="$currentPage/*[@isDoc]">
    <xsl:sort select="@createDate[$page = 'desc']" order="descending" />
    <xsl:sort select="@createDate[$page = 'asc']" order="ascending" />
    <xsl:sort select="@nodeName[$page = 'byNameAsc']" order="ascending" />
    <xsl:sort select="@nodeName[$page = 'byNameDesc']" order="descending" />

    <p>
        Page: <xsl:value-of select="@nodeName" />, <xsl:value-of select="@createDate" />
    </p>

</xsl:for-each>

    (data-type defaults to "text" so I removed it to reduce clutter)

    /Chriztian

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  • Chriztian Steinmeier 2800 posts 8791 karma points MVP 8x admin c-trib
    Apr 11, 2012 @ 00:00
    Chriztian Steinmeier
    0

    - and Tom: You're right about how it works :)

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  • umbracocool 108 posts 197 karma points
    Apr 11, 2012 @ 00:49
    umbracocool
    0

     

    Yupiii! Thank you very much friends, the code has worked for me perfectly, I am eternally grateful to you both for your time and ezfuerso. A Tom and Chriztian a hug.

    Before this I would like to clarify that static works very well:

    <xsl:variable name="page" select="'byNameAsc'"/>

    But if you want the value of $ page, a dynamic Through of the url ex:

    http://mysite.com.do/?order=desc

    This would be the best solution:

     

      <xsl:variable name="order" select="umbraco.library:RequestQueryString('order')"/>
      <xsl:variable name="page" select="string($order)"/>

    My final code is this:

     

     

      <xsl:variable name="order" select="umbraco.library:RequestQueryString('order')"/>
      <xsl:variable name="page" select="string($order)"/>
     <xsl:for-each select="$currentPage/* [@isDoc]">
    <xsl:sort select="@createDate[$page = 'desc']" data-type="text" order="descending" />
    <xsl:sort select="@createDate[$page = 'asc']" data-type="text" order="ascending" />
    <xsl:sort select="@nodeName[$page = 'byNameAsc']" data-type="text" order="ascending" />
    <xsl:sort select="@nodeName[$page = 'byNameDesc']" data-type="text" order="descending" />
    </xsl:for-each>

    Thank you both! I served very helpful! :)

     

     

     

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