Re: [xsl] required parameter

[Andrew Welch <andrew.j.welch@xxxxxxxxx>]

2011/10/18 Merrilees, David <David.Merrilees@xxxxxxxxxxxx>:
> Hi
>
> I have an XSLT problem I don't understand. I pass a value in a parameter to
a template like so:
>
> <xsl:template match="/" as="element()">
>       <div id="languageOption">
>              <xsl:sequence select="model:model/model:LanguageOptions" />
>              <xsl:apply-templates select="f:action-form('fLanguage', 'Set',
'Language', 'post')" mode="helper">
>                     <xsl:with-param name="language-options"
select="model:model/model:LanguageOptions" />
>              </xsl:apply-templates>
>       </div>
> </xsl:template>
>
> Which is matched by this template:
>
> <xsl:template mode="helper" match="form[@id = 'fLanguage']">
>       <xsl:param name="language-options" required="yes"/>
> </xsl:template>
>
> and I get the error: 'No value supplied for required parameter
$language-options'. Problem is, if I remove the required attribute, the line
'<xsl:sequence select="model:model/model:LanguageOptions" />' works fine.
>
> Input XML looks like this:
>
>       <model:LanguageOptions>
>              <model:SelectListItem>
>                     <model:Selected>false</model:Selected>
>                     <model:Text>Hesky</model:Text>
>                     <model:Value>cs-CZ</model:Value>
>              </model:SelectListItem>
>              <model:SelectListItem>
>                     <model:Selected>true</model:Selected>
>                     <model:Text>English</model:Text>
>                     <model:Value>en-GB</model:Value>
>              </model:SelectListItem>
>       </model:LanguageOptions>
>
> Any bright ideas?

What does f:action-form('fLanguage', 'Set', 'Language', 'post') return?

--
Andrew Welch
http://andrewjwelch.com