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match pattern for xslt navigation? Options
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steve.lorimer
Posted: Wednesday, September 03, 2008 11:11:51 PM
Rank: Newbie

Joined: 9/3/2008
Posts: 2
Location: London
Hi all

I'm looking for either a match pattern, or a select statement which will allow me to restrict the node set.

I have the following document_type structure:

Code:
</>
    <dt_A> a1
        <dt_B> b1
        <dt_A> a2
            <dt_B> b2
            <dt_C> c1
        <dt_B> b3
    <dt_C> c2

What I want is when $currentPage is anything below node a1 (of type dt_A), then to show my xslt navigation (code below)

ie: If I'm on node a2, then prev=b1 and next=b3
However, if I'm on node a1, then don't show prev or next

At the moment I can't figure out how to restrict my node set! :-(

Here is my xslt:
Code:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xsl:Stylesheet [ <!ENTITY nbsp "&#x00A0;"> ]>
<xsl:stylesheet
    version="1.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:msxml="urn:schemas-microsoft-com:xslt"
    xmlns:umbraco.library="urn:umbraco.library"
    exclude-result-prefixes="msxml umbraco.library">

<xsl:output method="xml" omit-xml-declaration="yes"/>
<xsl:param name="currentPage"/>

<!-- this matches all nodes, which it too much! -->
<xsl:template match="/">

<!-- this doesn't match anything, but I'm looking for all children of 'Preparation' node-->
<!--
    <xsl:template match="/*[@nodeName = 'Preparation']/*">
-->

<table cellpadding="0" cellspacing="0" border="0" width="100%">
  <tr>
    <td align="left">
      <xsl:for-each select="$currentPage/preceding-sibling::node">
        <xsl:if test="@sortOrder=$currentPage/@sortOrder - 1
                      and
                      string(data [@alias='umbracoNaviHide']) != '1'">
          <a href="{umbraco.library:NiceUrl(@id)}">
            &lt;&lt;&nbsp;<xsl:value-of select="data [@alias = 'PageTitle']"/>
          </a>
        </xsl:if>
      </xsl:for-each>
    </td>

    <td align="right">
      <xsl:for-each select="$currentPage/following-sibling::node">
        <xsl:if test="@sortOrder=$currentPage/@sortOrder + 1
                      and
                      string(data [@alias='umbracoNaviHide']) != '1'">
          <a href="{umbraco.library:NiceUrl(@id)}">
            <xsl:value-of select="data [@alias = 'PageTitle']"/>&nbsp;&gt;&gt;
          </a>
        </xsl:if>
      </xsl:for-each>     
    </td>
  </tr>
</table>

</xsl:template>
</xsl:stylesheet>


Thanks!
Steve
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steve.lorimer
Posted: Wednesday, September 03, 2008 11:32:01 PM
Rank: Newbie

Joined: 9/3/2008
Posts: 2
Location: London
I fixed it by using the following in my if test:

Code:
<!-- 1234 = "MyParentNode" -->
<xsl:variable name="id" select="1234"/>

<xsl:if test=contains(@path,$id)">


Here's the full code:

Code:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xsl:Stylesheet [ <!ENTITY nbsp "&#x00A0;"> ]>
<xsl:stylesheet
    version="1.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:msxml="urn:schemas-microsoft-com:xslt"
    xmlns:umbraco.library="urn:umbraco.library"
    exclude-result-prefixes="msxml umbraco.library">

<xsl:output method="xml" omit-xml-declaration="yes"/>
<xsl:param name="currentPage"/>

<!-- 1234 = "MyParentNode" -->
<xsl:variable name="id" select="1234"/>

<xsl:template match="/">

<table cellpadding="0" cellspacing="0" border="0" width="100%">
  <tr>
    <td align="left">
      <xsl:for-each select="$currentPage/preceding-sibling::node">
        <xsl:if test="@sortOrder=$currentPage/@sortOrder - 1
                      and
                      string(data [@alias='umbracoNaviHide']) != '1'
                      and
                      contains(@path,$id)">
          <a href="{umbraco.library:NiceUrl(@id)}">
            &lt;&lt;&nbsp;<xsl:value-of select="data [@alias = 'PageTitle']"/>
          </a>
        </xsl:if>
      </xsl:for-each>
    </td>

    <td align="right">
      <xsl:for-each select="$currentPage/following-sibling::node">
        <xsl:if test="@sortOrder=$currentPage/@sortOrder + 1
                      and
                      string(data [@alias='umbracoNaviHide']) != '1'
                      and
                      contains(@path,$id)">
          <a href="{umbraco.library:NiceUrl(@id)}">
            <xsl:value-of select="data [@alias = 'PageTitle']"/>&nbsp;&gt;&gt;
          </a>
        </xsl:if>
      </xsl:for-each>     
    </td>
  </tr>
</table>

</xsl:template>
</xsl:stylesheet>
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