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  • Sebastiaan Janssen 4899 posts 14655 karma points MVP admin hq
    Jun 17, 2010 @ 14:29
    Sebastiaan Janssen
    0

    Count the nodes that have a valid ID somewhere in a property?

    Currently I have this pieces of XSLT:

            <xsl:for-each select="$hotSpotNodes">
          <xsl:variable name="hotSpotTargetSplitter" select="umbraco.library:Split(data [@alias ='hotSpotTarget'], '|')" />

          <xsl:variable name="hotSpot" select="umbraco.library:GetXmlNodeById($hotSpotTargetSplitter/value[2])" />
          <xsl:if test="$hotSpot/@id != ''">
          <!-- Do something -->
        </xsl:for-each>

    Is there any way in XSLT that I can count the number of nodes that have a valid ID after the first "|" symbol (as expressed in the above two variables)?

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  • Josh Townson 67 posts 162 karma points
    Jun 17, 2010 @ 14:47
    Josh Townson
    0

    Doesn't seem like the best idea, but a simple one: - put the results into a nodeset and then count, and do whatever. But its 2 for-each loops where one did it in the past.

    <xsl:variable name="validIDs">
      <xsl:for-each select="$hotSpotNodes">
        <xsl:variable name="hotSpotTargetSplitter" select="umbraco.library:Split(data [@alias ='hotSpotTarget'], '|')" />
        <xsl:variable name="hotSpot" select="umbraco.library:GetXmlNodeById($hotSpotTargetSplitter/value[2])" />
        <xsl:if test="$hotSpot/@id != ''">
          <xsl:copy-of select="$hotSpot"/>
        </xsl:if>
      </xsl:for-each>
    </xsl:variable>
    <xsl:variable name="validIDNodes" select="msxml:node-set($validIDs)"/>
    <xsl:value-of select="count($validIDNodes/node)"/>

    Not tested, but it looks like it might work to me.

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  • Shannon Deminick 1510 posts 5195 karma points hq
    Jun 17, 2010 @ 15:36
    Shannon Deminick
    0

    You can also use the EXSLT extensions to create node sets (msxml requires full trust i think)

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  • Sebastiaan Janssen 4899 posts 14655 karma points MVP admin hq
    Jun 17, 2010 @ 16:21
    Sebastiaan Janssen
    0

    Just what I needed Josh, thanks so much!

    Shannon: I know, but I was trying to avoid writing an extension, no problem with trust issues here. :-) Thanks!

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