Ok guys, this may be an easy one I am trying to use this function
within my xform:
<xforms:output value="fn:subtract-dates($previousItemEndDate,$previousItemEndDate)"/>
but no luck, I get an error popup message indicating the function
cannot be found. I tried with/without the fn namespace.
Can anybody help? Thanks! Here is the xform:
<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="
http://www.w3.org/1999/xhtml"
xmlns:xforms="
http://www.w3.org/2002/xforms"
xmlns:xhtml="
http://www.w3.org/1999/xhtml"
xmlns:ev="
http://www.w3.org/2001/xml-events"
xmlns:widget="
http://orbeon.org/oxf/xml/widget"
xmlns:xs="
http://www.w3.org/2001/XMLSchema"
xmlns:xxforms="
http://orbeon.org/oxf/xml/xforms"
xmlns:fn="
http://www.w3.org/TR/xpath-functions" >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<xforms:model id="fr-form-model">
<xforms:instance id="data">
<root xmlns="">
<item1>2009-01-01</item1>
<item2>2009-02-01</item2>
</root>
</xforms:instance>
<xforms:bind nodeset="instance('data')/item1" required="true()"/>
<xforms:bind nodeset="instance('data')/item2" required="true()"/>
</xforms:model>
</head>
<body>
<xforms:group ref="instance('data')">
<xforms:input ref="item1">
<xforms:label>Field1</xforms:label>
</xforms:input>
<xforms:input ref="item2">
<xforms:label>Field2</xforms:label>
</xforms:input>
<xforms:trigger>
<xforms:label>Add Entry</xforms:label>
<xforms:action ev:event="DOMActivate">
<xxforms:variable name="currentItem" select="item1"/>
<xxforms:variable name="previousItem" select="item2"/>
<xforms:message><xforms:output
value="$currentItem"/>,<xforms:output
value="$previousItem"/></xforms:message>
<xxforms:variable name="previousItemEndDate"
value="xs:date($previousItem)"/>
<xxforms:variable name="currentItemStartDate"
value="xs:date($currentItem)"/>
<xforms:message><xforms:output
value="fn:subtract-dates($previousItemEndDate,$previousItemEndDate)"/></xforms:message>
</xforms:action>
</xforms:trigger>
</xforms:group>
</body>
</html>
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