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Subject: RE: [xsl] xsl script From: "Chris Bayes" <Chris@xxxxxxxxxxx> Date: Thu, 12 Jul 2001 10:47:17 +0100 |
Paul,
This isn't really an xslt problem. You are getting the error because
sortField is null and not an object. You do this to find your sort element
sortField =
document.XSLDocument.selectSingleNode("//xsl:sort[@select='p:project_number'
]");
and you do not have a sort element with a select that equals
p:project_number so selectSingleNode returns null. When you try and use it
it gives that error.
I would change the way you do this to pass a param to the stylesheet. Have a
look on my site in the tutorials section to find out how to do this.
Ciao Chris
XML/XSL Portal
http://www.bayes.co.uk/xml
>-----Original Message-----
>From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx
>[mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of
>Paul_B_Grimes@xxxxxxxxxx
>Sent: 12 July 2001 00:29
>To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
>Subject: [xsl] xsl script
>
>
>I am fairly stuck with the following code. I keep getting an error message
>stating "sortField is null or is not an object" If anyone can help me
>point out the problem with my code, it would be greatly appreciated. (the
>code is shown below). This stylesheet is linked to an xml document with
>the following format.
>
>
><current_projects xmlns="x-schema:sortProjects-schema.xml">
> <contents>Project Listing</contents>
> <date_span>2000 - 2001</date_span>
> <project>
> <project_title>PenMap Demonstration</project_title>
> <project_number>6</project_number>
> <description>blah blah</description>
> <start_date>7-23-01</start_date>
> <completion_date>8-19-01</completion_date>
> <cost>8000</cost>
> <contact_name>Loren Turner</contact_name>
> <contact_number>(916) 227-7174</contact_number>
> <branch>Geotechnology Implemtation Program</branch>
> </project>
> <project>
> <project_title>Continuous GPS: Pilot Applications - Phase
>I</project_title>
> <project_number>2</project_number>
> <description>blah blah</description>
> <start_date>4-12-01</start_date>
> <completion_date>9-20-01</completion_date>
> <cost>110000</cost>
> <contact_name>Loren Turner</contact_name>
> <contact_number>(916) 227-7174</contact_number>
> <branch>Geotechnology Implementation Program</branch>
> </project>
>.
>.
>.
>
>
>Thank You
>Paul Grimes
>
><?xml version="1.0"?>
>
><xsl:stylesheet
> xmlns:p="x-schema:sortProjects-schema.xml"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0">
> <xsl:output method="html"/>
> <xsl:template match="/">
> <html>
> <head>
> <style>
> body {margin:0}
> .bg {font:8pt Verdana; background-color:blue; color:white}
> h1 {font:bold 14pt Verdana; width:100%; margin-top:1em}
> .row {font:8pt Verdana; border-bottom:1px solid green}
> .header {font:bold 9pt Verdana; cursor:hand; padding:2px;
>border:2px outset gray}
> .up {background-color:lightsteelblue;}
> .down {background-color:whitesmoke;}
> </style>
> </head>
> <script><xsl:comment><![CDATA[
> var stylesheet = null;
> var source = null;
> var sortField =null;
>
> function sort(field, datatype)
> {
> sortField.setAttribute("select", "p:/" + field);
> sortField.setAttribute("data-type", datatype);
> listing.innerHTML =
>source.documentElement.transformNode(stylesheet);
> }
> ]]></xsl:comment></script>
>
> <script for="window" event="onload"><xsl:comment><![CDATA[
> stylesheet = document.XSLDocument;
> source = document.XMLDocument;
> sortField = document.XSLDocument.selectSingleNode("//xsl:sort
>[@select='p:project_number']");
> ]]></xsl:comment></script>
>
> <body>
> <table width="100%" cellspacing="0">
> <tr>
> <td class="bg"/>
> <td class="bg">
> <h1><xsl:value-of select="p:current_projects/p:contents"/>
> for <xsl:apply-templates select
>="p:current_projects/p:date_span"/></h1>
> </td>
> </tr>
> <tr>
> <td class="bg" width="120" valign="top">
> <p>Click on the column headers to sort by that field.</p>
> </td>
> <td class="bg" valign="top">
> <div id="listing"><xsl:apply-templates select
>="p:current_projects"/></div>
> </td>
> </tr>
> </table>
> </body>
> </html>
> </xsl:template>
>
> <xsl:template match="p:current_projects">
> <table style="background-color:whitesmoke">
> <thead>
> <td><div class="header" onClick="sort('project_title',
>'text')">Project <br/>Title<br/></div></td>
> <td><div class="header" onClick="sort('project_number',
>'number')">Project Number</div></td>
> <td><div class="header" onClick="sort('start_date',
>'number')">Start Date</div></td>
> <td><div class="header" onClick="sort('completion_date',
>'number')">Completion Date</div></td>
> <td><div class="header" onClick="sort('cost',
>'number')">Project Cost</div></td>
> <td><div class="header" onClick="sort('contact_name',
>'text')">Contact Name</div></td>
> <td><div class="header" onClick="sort('contact_number',
>'number')">Contact Number</div></td>
> </thead>
> <xsl:for-each select="p:project">
> <xsl:sort select="project_title"
>data-type="text"/>
> <tr>
> <xsl:for-each select="p:project_number">
> <xsl:if test=". > 20">
> <xsl:attribute name="class">up</xsl:attribute>
> </xsl:if>
> </xsl:for-each>
> <xsl:for-each select="start_date">
> <xsl:if test=". < 0">
> <xsl:attribute name="class">down</xsl:attribute>
> </xsl:if>
> </xsl:for-each>
> <xsl:for-each select="completion_date">
> <xsl:if test=". < 0">
> <xsl:attribute name="class">down</xsl:attribute>
> </xsl:if>
> </xsl:for-each>
> <td><div class="row"><xsl:value-of select
>="p:project_title"/></div></td>
> <td><div class="row" style
>="text-align:right"><xsl:apply-templates select
>="p:project_number"/></div></td>
> <td><div class="row" style
>="text-align:right"><xsl:apply-templates select="p:start_date"/></div></td>
> <td><div class="row" style
>="text-align:right"><xsl:apply-templates select
>="p:completion_date"/></div></td>
> <td><div class="row" style="text-align:right">
>$<xsl:apply-templates select="p:cost"/></div></td>
> <td><div class="row"><xsl:value-of select
>="p:contact_name"/></div></td>
> <td><div class="row" style
>="text-align:right"><xsl:apply-templates select
>="p:contact_number"/></div></td>
> </tr>
> </xsl:for-each>
> </table>
> </xsl:template>
>
>
> <xsl:template match="p:cost">
> <xsl:value-of select="format-number(., '##0.00')"/>
> </xsl:template>
></xsl:stylesheet>
>
>
> XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
>
>
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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