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XSLT Sarissa XML

Posted on 2011-09-13
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Last Modified: 2012-05-12
Hi,

I have some XML. I am trying to create a structure that works in much the same way as Windows Explorer. My XSL seems to break down here, on my for loop, which I basically cut and paste from another source.

<xsl:for-each select="key('obj', $detail-id)/*[not(self::name)]">        

I was hoping someone would know how I can get it too render properly. So that I can click on an item and it goes into the next level displaying all of these items. I am using sarissa, I can gladly provide the .js though I think it is problem with this loop structure where the problem exists.

NOTE- The below code is only done for type 'folder', it is intended for type folder and file, both of which can be placed at any level, and can have each other inside each other.

Thanks in advance.
Here is xml example:

<?xml version="1.0" encoding="utf-8"?>
<testData>
  <items id="0">
    <item id="1" name="Item1" type="file">
      <item id="4" name="Item4" type="folder">
        <item id="5" name="Item5" type="file"/>
        <item id="6" name="Item6" type="folder" />
      </item>
      <item id="2" name="Item2" type="folder" />
        <item id="3" name="Item3" type="folder"  />
      </item>
   </items>
</testData>

Here is xsl structure:

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:key name="obj" match="*" use="@id"/>
  <xsl:param name="detail-id">sms</xsl:param>
  <xsl:template match="testData">
  <xsl:apply-templates />
  </xsl:template>
<xsl:template match="item/*">
      <xsl:for-each select="key('obj', $detail-id)/*[not(self::name)]">  
        <xsl:choose>
          <xsl:when test="@type = 'folder'">
            <span id="{@id}" >
              <xsl:attribute name="onclick">
                <xsl:text>DisplayResult('</xsl:text>
                <xsl:value-of select="@id"/>
                <xsl:text>','</xsl:text>
                <xsl:value-of select="name()"/>
                <xsl:text>');</xsl:text>
              </xsl:attribute>
              <xsl:value-of select="@name"></xsl:value-of>
            </span>
          </xsl:when>
        </xsl:choose>        
      </xsl:for-each>
  </xsl:template>
  </xsl:stylesheet>

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Question by:metta0_3
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6 Comments
 
LVL 60

Accepted Solution

by:
Geert Bormans earned 2000 total points
ID: 36530047
If this is XSLT for Sarissa, it is bound to break,
Sarissa requires wellformed XML as a transform result... meaning one single root

further more, it is not very clear what you need.
Do you want to expand one further level given the id?
that the following is about what you need

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
    <xsl:key name="obj" match="*" use="@id"/>
    <xsl:param name="detail-id">1</xsl:param>
    <xsl:output indent="yes"/>
    <xsl:strip-space elements="*"/>
    <xsl:template match="testData">
        <!-- relies on teh key only returning one object -->
        <xsl:apply-templates select="key('obj', $detail-id)"/>
    </xsl:template>
    <xsl:template match="item"><!-- actually only the keyed one -->
        <div><!-- creating a container for Sarissa -->
            <xsl:copy-of select="@id | @name"/> <!-- at least copying the id for later overwrite -->
            <xsl:for-each select="*">
                <xsl:if test="@type = 'folder'">
                    <span id="{@id}" >
                        <xsl:attribute name="onclick">
                            <xsl:text>DisplayResult('</xsl:text>
                            <xsl:value-of select="@id"/>
                            <xsl:text>','</xsl:text>
                            <xsl:value-of select="name()"/>
                            <xsl:text>');</xsl:text>
                        </xsl:attribute>
                        <xsl:value-of select="@name"></xsl:value-of>
                    </span>
                </xsl:if>
            </xsl:for-each>        
        </div>
    </xsl:template>
</xsl:stylesheet>

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LVL 60

Expert Comment

by:Geert Bormans
ID: 36530055
now you need a smart override, by letting the XSL result override the outer html of the identified div
that is how you can close the stuff back if you want later
0
 

Author Comment

by:metta0_3
ID: 36530220
What you have provided is pretty close. Thanks. detail-id set to 1 is causing an issue for me. Its for a search filter, so a user might decide to start the search from another item within the tree. The xml is actually the result based on what is sent to the server by the user.

<xsl:param name="detail-id">1</xsl:param>

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For example the result might be further in the tree like this

<?xml version="1.0" encoding="utf-8"?>
<testData>
  <items id="0">
      <item id="4" name="Item4" type="folder">
        <item id="5" name="Item5" type="file"/>
        <item id="6" name="Item6" type="folder" />
      </item>
      <item id="2" name="Item2" type="folder" />
        <item id="3" name="Item3" type="folder"  />
      </item>
</testData>

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Therefore item 4 and 2 are the first to be displayed. Also it is unlimited the levels that I wish to be able to click through.

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Author Comment

by:metta0_3
ID: 36530268
Ok this seems to work as I always have the root element id=0. I think I am there.
<xsl:param name="detail-id">1</xsl:param>

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Athough can I do this, just to save code.

<xsl:if test="@type = 'folder'" | "@type='file'>

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0
 

Author Comment

by:metta0_3
ID: 36530296
The above comment was meant to say this.

<xsl:param name="detail-id">1</xsl:param>

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Now I just want to shorten the below as I am producing unnecessary code.

<xsl:for-each select="*">
          <xsl:if test="@type = 'folder'">
            <span id="{@id}" >
              <xsl:attribute name="onclick">
                <xsl:text>DisplayOverview('</xsl:text>
                <xsl:value-of select="@id"/>
                <xsl:text>','</xsl:text>
                <xsl:value-of select="name()"/>
                <xsl:text>');</xsl:text>
              </xsl:attribute>
              <xsl:value-of select="@name"></xsl:value-of>
            </span>
          </xsl:if>
          <xsl:if test="@type = 'file'">
            <span id="{@id}" >
              <xsl:attribute name="onclick">
                <xsl:text>DisplayOverview('</xsl:text>
                <xsl:value-of select="@id"/>
                <xsl:text>','</xsl:text>
                <xsl:value-of select="name()"/>
                <xsl:text>');</xsl:text>
              </xsl:attribute>
              <xsl:value-of select="@name"></xsl:value-of>
            </span>
          </xsl:if>
        </xsl:for-each>

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0
 
LVL 60

Expert Comment

by:Geert Bormans
ID: 36532186
Hi,

was gone for a while, seems you fixed it by now

<xsl:if test="@type = 'folder'" | "@type='file'>

should be

<xsl:if test="@type = 'folder'" or "@type='file'>
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