Subject: Re: Passing params problem.
From: Francesco Barresi <kywocs@xxxxxxxxx>
Date: Fri, 29 Apr 2005 16:27:34 -0400
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Thanks Michael, that's was exactly what I wanted to know and sorry to
all because of the double post.
Bye
Francesco.
On 4/29/05, Michael Kay <mike@xxxxxxxxxxxx> wrote:
> I don't have time to study your problem in detail, but looking at the
> summary:
>
> The real problem I think that is that the param $currentpage never
> gets to <bbwps:navigationMenu-pageHere/> because is inside some HTML,
> is this true? or the param buble down the parsed XML all the way?
>
> I think it's likely that you're falling into the trap that if you do an
> apply-templates with parameters, and there's no explicit template rule for
> one of the child elements, then the built in template rule gets invoked,
> which calls apply-templates on the grandchildren, but (in 1.0) without
> passing the parameters on to the template that matches the grandchildren.
> (This changes in 2.0).
>
> Michael Kay
> http://www.saxonica.com/
>
>
> > -----Original Message-----
> > From: Francesco Barresi [mailto:kywocs@xxxxxxxxx]
> > Sent: 29 April 2005 18:03
> > To: xsl-list
> > Subject: Passing params problem.
> >
> > Hi all,
> > I have a problem..mm that's strange :-P. The thing is that there's
> > must be some conceptual error in my xsl because according to what I
> > know should work just fine, here it goes:
> >
> > I have an xml (layouts.xml) like this:
> >
> > <div class="menu_2">
> > <bbwps:navigationMenu-pagesHere>
> > <ul>
> > <bbwps:navigationMenu-for-each-page>
> > <bbwps:navigationMenu-open>
> > <li>
> > <bbwps:navigationMenu-pageHere/>
> > <ul class="abierto">
> > <bbwps:navigationMenu-childrenHere/>
> > </ul>
> > </li>
> > </bbwps:navigationMenu-open>
> > <bbwps:navigationMenu-currentpage>
> > <li>
> > <bbwps:navigationMenu-pageHere/>
> > <ul class="descendientes">
> > <bbwps:navigationMenu-childrenHere/>
> > </ul>
> > </li>
> > </bbwps:navigationMenu-currentpage>
> > <bbwps:navigationMenu-any>
> > <li>
> > <bbwps:navigationMenu-pageHere/>
> > </li>
> > </bbwps:navigationMenu-any>
> > </bbwps:navigationMenu-for-each-page>
> > </ul>
> > </bbwps:navigationMenu-pagesHere>
> > </div>
> >
> > It have some HTML with some "proprietary" tags with the namespace
> > BBWPS, this is used to make a typical vertical menu in a html page, as
> > you can see there is a "for-each" (navigationMenu-for-each-page) which
> > contains the templates for the different types of pages: open,
> > currentpage, any. This pages are in a xml ($index) with a simple tree
> > structure which represents the tree structure of the web site.
> >
> > The part of the xsl concerning the menu is this:
> >
> > <!--PAGES HERE. this acts on the layout-->
> > <xsl:template match="bbwps:navigationMenu-pagesHere"
> > mode="layout">
> > <xsl:apply-templates select="*" mode="navigationMenu"/>
> > </xsl:template>
> > <!--HTML. this acts on the layout-->
> > <xsl:template match="html:*" mode="navigationMenu">
> > <xsl:element name="{local-name()}" >
> > <xsl:for-each select="@*">
> > <xsl:attribute name="{local-name()}">
> > <xsl:value-of select="."/>
> > </xsl:attribute>
> > </xsl:for-each>
> > <xsl:if test="./child::node()">
> > <xsl:apply-templates mode="navigationMenu"/>
> > </xsl:if>
> > </xsl:element>
> > </xsl:template>
> > <!--FOR EACH PAGE. this acts on the layout-->
> > <xsl:template match="bbwps:navigationMenu-for-each-page"
> > mode="navigationMenu">
> > <xsl:apply-templates
> > select="$index/ancestor-or-self::*[@subhome='true'][1]/child"
> > mode="navigationMenu">
> > <xsl:with-param name="templates" select="."/>
> > </xsl:apply-templates>
> > </xsl:template>
> > <!--OPEN PAGE. this acts on the index-->
> > <xsl:template match="child[@open='true']" mode="navigationMenu">
> > <xsl:param name="templates"/>
> > <xsl:apply-templates
> > select="$templates//bbwps:navigationMenu-open" mode="navigationMenu">
> > <xsl:with-param name="currentpage" select="."/>
> > </xsl:apply-templates>
> > </xsl:template>
> > <!--CURRENT PAGE. this acts on the index-->
> > <xsl:template match="child[@currentpage='true']"
> > mode="navigationMenu">
> > <xsl:param name="templates"/>
> > <xsl:apply-templates
> > select="$templates//bbwps:navigationMenu-currentpage"
> > mode="navigationMenu">
> > <xsl:with-param name="currentpage" select="."/>
> > </xsl:apply-templates>
> > </xsl:template>
> > <!--ANY PAGE. this acts on the index-->
> > <xsl:template match="child" mode="navigationMenu">
> > <xsl:param name="templates"/>
> > <xsl:apply-templates
> > select="$templates//bbwps:navigationMenu-any" mode="navigationMenu">
> > <xsl:with-param name="currentpage" select="."/>
> > </xsl:apply-templates>
> > </xsl:template>
> > <!--CHILDREN HERE. this acts on the layout-->
> > <xsl:template match="bbwps:navigationMenu-childrenHere"
> > mode="navigationMenu">
> > <xsl:param name="currentpage"/>
> > <xsl:param name="templates"/>
> > <xsl:apply-templates select="$currentpage/child"
> > mode="navigationMenu">
> > <xsl:with-param name="templates" select="$templates"/>
> > </xsl:apply-templates>
> > </xsl:template>
> > <!--PAGE HERE. this acts on the layout-->
> > <xsl:template match="bbwps:navigationMenu-pageHere"
> > mode="navigationMenu">
> > <xsl:param name="currentpage"/>
> > <xsl:choose>
> > <xsl:when test="$currentpage/@type='external-link'">
> > <xsl:call-template name="crea-link">
> > <xsl:with-param name="tipo" select="'http'"/>
> > <xsl:with-param name="url"
> > select="$currentpage/url"/>
> > <xsl:with-param name="cont"
> > select="$currentpage/nome"/>
> > </xsl:call-template>
> > </xsl:when>
> > <xsl:otherwise>
> > <xsl:call-template name="crea-link">
> > <xsl:with-param name="tipo" select="'idpagina'"/>
> > <xsl:with-param name="url"
> > select="$currentpage/id_inter"/>
> > <xsl:with-param name="cont"
> > select="$currentpage/nome"/>
> > </xsl:call-template>
> > </xsl:otherwise>
> > </xsl:choose>
> > </xsl:template>
> >
> > This doesn't work, what I get is this:
> >
> > [...]
> > <div class="menu_2">
> > <ul>
> > [..]
> >
> > This is because the $currentpage param that is generated in the
> > CHILD templates doesn't work properly. CHILD is a really stupid name
> > that i used in the xml, is a tag not the "child::". The CHILD
> > templates work on the $index and when I set the select attribute on
> > with-param like this: select="." I get an empty $currentpage on the
> > tags like <bbwps:navigationMenu-pageHere/> wich are inside some HTML
> > tags.
> >
> > <xsl:template match="child" mode="navigationMenu">
> > <xsl:param name="templates"/>
> > <xsl:apply-templates
> > select="$templates//bbwps:navigationMenu-any" mode="navigationMenu">
> > <!-- HERE IS THE PROBLEM -->
> > <xsl:with-param name="currentpage" select="."/>
> > </xsl:apply-templates>
> > </xsl:template>
> >
> > Debugging the xsl in the CHILD templates the context node is correct
> > but when I use select="." I get an empty param.
> >
> > The real problem I think that is that the param $currentpage never
> > gets to <bbwps:navigationMenu-pageHere/> because is inside some HTML,
> > is this true? or the param buble down the parsed XML all the way?
> >
> > Any tip is welcome.
> >
> > Thanks
> > Bye
> > Francesco.
> >
> > --
> > www.GetFirefox.com !!
> > http://kywocs.blogspot.com
>
>
--
www.GetFirefox.com !!
http://kywocs.blogspot.com
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