getting nodeset from ucomponents multi node tree picker using xslt

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Andrei Yazik 24 posts 44 karma points

Jun 16, 2011 @ 11:14

0

Getting nodeset from uComponents Multi Node Tree Picker using XSLT

Extending Umbraco

Hi everyone,

Recently I met a problem with getting nodes from Multi Node Tree Picker. Of course, I know that I it's possible to use "xsl:for-each" and GetXmlNodeById(.) function, but in my situation I need an array of nodes. I tried using make-nodeset function, but as the Tree Picker stores only node ids, it just returns array that stores IDs of the nodes. Could you please suggest as way how to solve this issue?

Kind regards,

Andrei

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Jan Skovgaard 11280 posts 23678 karma points MVP 10x admin c-trib

Jun 16, 2011 @ 23:21

0

Hi Andrei

What is returned if you write this

<textarea>
<xsl:copy-of select="$currentPage/yourMultieNodeTreePickerAliasHere" />
</textarea>

Does it return anything?

/Jan

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Tom Fulton 2030 posts 4998 karma points c-trib

Jun 17, 2011 @ 00:22
0
Hi,

So you are wanting an array (nodeset) with all of the actual selected nodes' data (attributes and custom properties), instead of just the node id's?

I suppose you might be able to do something like:
```
<xsl:variable name="myArray">
  <xsl:for-each select="$currentPage/yourMultiNodePicker/MultiNodePicker/nodeId">
    <xsl:if test="count(umbraco.library:GetXmlNodeById(.)/error) = 0">
      <xsl:copy-of select="umbraco.library:GetXmlNodeById(.)"/>
    </xsl:if>
  </xsl:for-each>
</xsl:variable>
```
Then $myArray should have a node for each item in your picker with all its properties. You might need to use msxml:node-set to interact with it though - ie <xsl:value-of select="count(msml:node-set($myArray)/* [@isDoc])"/> (or it may be msxml:node-set($myArray)/*/* [@isDoc])

I would also suggest you have a look at an alternative method for working with MNTP items in XSLT - check Chriztian's blog post: http://pimpmyxslt.com/articles/multipicker/ - it works great, saves time and saves you from having to use for-each loops and GetXmlNodeById

-Tom
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