Re: [Hypercontent-users] BreadCrumbs

[Alex V. <av...@co...>]

Hi Carl,
	I suspect the problem is that your sitemap file is not included in  
your navigation, so when the XSL attempts to build the breadcrumb,  
$item is going to be null.  You should try adding the sitemap to your  
navigation

  <nav-template pattern="/sitemap.xml"/>

You would need to adjust your xsl logic, as this will cause a link to  
be added to your sitemap in the navigation, where you are already  
linking to the sitemap with a custom graphic.  You could test for  
"/sitemap.xml" in your navigation rendering and place the sitemap  
graphical link there in place of the text link.

-Alex

On May 4, 2005, at 5:19 AM, Carl Barrow wrote:

> Thanks very much for this Alex,
>
> It's working now.  However, there seems to be a problem building my  
> sitemap if I include a breadcrumb trail. I get the error message :
>
> There was an error attempting to preview or publish /sitemap.xml ->  
> /sitemap.html
>
> I assume this is because I'm transforming sitemap.xml as well us using  
> it to make the breadcrumb.  Would I need to use another xml file to  
> look after the breadcrumbs?
>
> Carl
>
> Alex Vigdor wrote:
>
>> Hi Carl,
>>     I was able to duplicate the problem, and I was able to resolve it  
>> by  replacing the use of the "//" axis with "descendant-or-self::".
>>
>> e.g.
>>
>> <xsl:template name = "breadcrumb">
>>    <xsl:param name = "item" select =   
>> "$navigation/nav-item[descendant-or-self::nav-  
>> item[@location=$sourceLoc]]"/>
>>
>>    <xsl:call-template name = "breadcrumblink">
>>        <xsl:with-param name = "item" select = "$item"/>
>>    </xsl:call-template>
>>
>>    <xsl:if test = "not($item/@location=$sourceLoc)">
>>        <xsl:text>
>>            >
>>        </xsl:text>
>>
>>        <xsl:call-template name = "breadcrumb">
>>            <xsl:with-param name = "item" select =   
>> "$item/nav-item[descendant-or-self::nav-item[@location=$sourceLoc]]"/ 
>> >
>>        </xsl:call-template>
>>    </xsl:if>
>> </xsl:template>
>>
>> -Alex
>>
>> On May 3, 2005, at 4:56 AM, Carl Barrow wrote:
>>
>>> Hi Alex
>>>
>>> Attached is a screenshot from the navigation editor and then a   
>>> screenshot from the website showing where it has gone wrong.  The   
>>> navigation xml file is detailed below:
>>>
>>> <?xml version="1.0" encoding="UTF-8"?>
>>> <!DOCTYPE nav-template SYSTEM   
>>> "http://hypercontent.sourceforge.net/dtd/navigation.dtd">
>>> <nav-template customLabel="Home" labelWith="custom"   
>>> pattern="/index.xml" sortChildren="by-label">
>>>   <nav-template pattern="/*/index.xml" sortChildren="by-label">
>>>      <nav-template pattern="/*/*" sortChildren="by-label" />
>>>
>>>      <nav-template pattern="/*/*/index.xml" sortChildren="by-label">
>>>         <nav-template pattern="/*/*/*" sortChildren="by-label" />
>>>      </nav-template>
>>>   </nav-template>
>>> </nav-template>
>>>
>>> Many Thanks
>>> Carl
>>>
>>> Alex Vigdor wrote:
>>>
>>>> Hi Carl,
>>>>     It would be helpful to see the navigation XML (we'll often  
>>>> create  an XML output for an xml-doctype that has all the includes  
>>>> but no  transformation, to see what is feeding the transform), and  
>>>> perhaps a  screenshot demonstrating where it has gone wrong.
>>>>
>>>> Alex
>>>>
>>>> On Apr 29, 2005, at 9:31 AM, Carl Barrow wrote:
>>>>
>>>>> I'm still having a problems getting breadcrumbs working properly  
>>>>> on  my sites here in Hull.   It always displays the first child at  
>>>>> a  Particular level instead of the one which corresponds to the   
>>>>> directory you are actually in.  Does anyone have time to take a  
>>>>> look  at where I might be going wrong?
>>>>>
>>>>> Many Thanks
>>>>> Carl
>>>>>
>>>>>    <xsl:variable name = "navigation" select =   
>>>>> "/cms:wrapper/child::*/navigation"/>
>>>>>    <xsl:variable name = "sourceLoc" select =   
>>>>> "/cms:wrapper/cms:source/@path"/>
>>>>>
>>>>>
>>>>> <xsl:template name = "breadcrumb">
>>>>>    <xsl:param name = "item" select =   
>>>>> "$navigation/nav-item[//nav-item[@location=$sourceLoc]]"/>
>>>>>
>>>>>    <xsl:call-template name = "breadcrumblink">
>>>>>        <xsl:with-param name = "item" select = "$item"/>
>>>>>    </xsl:call-template>
>>>>>
>>>>>    <xsl:if test = "not($item/@location=$sourceLoc)">
>>>>>        <xsl:text>
>>>>>            >
>>>>>        </xsl:text>
>>>>>
>>>>>        <xsl:call-template name = "breadcrumb">
>>>>>            <xsl:with-param name = "item" select =   
>>>>> "$item/nav-item[//nav-item[@location=$sourceLoc]]"/>
>>>>>        </xsl:call-template>
>>>>>    </xsl:if>
>>>>> </xsl:template>
>>>>>
>>>>> <xsl:template name = "breadcrumblink">
>>>>>    <xsl:param name = "item" select = "."/>
>>>>>
>>>>>    <a><xsl:attribute name = "href">
>>>>>        <xsl:value-of select = "$item/@location"/>
>>>>>    </xsl:attribute>
>>>>>
>>>>>    <xsl:value-of select = "$item/@label"/></a>
>>>>> </xsl:template>
>>>>>
>>>>>
>>>>> -- 
>>>>> ************************************
>>>>>
>>>>> Carl Barrow
>>>>> Web Developer
>>>>> e-Services
>>>>> The University of Hull
>>>>> Cottingham Road
>>>>> Hull
>>>>> HU6 7RX
>>>>> Ext. 6838
>>>>> ************************************
>>>>>
>>>>>
>>>>>
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>>>>
>>>>
>>>>
>>>>
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>>>
>>> -- 
>>> ************************************
>>>
>>> Carl Barrow
>>> Web Developer
>>> e-Services
>>> The University of Hull
>>> Cottingham Road
>>> Hull
>>> HU6 7RX
>>> Ext. 6838
>>> ************************************
>>>
>>> <webpage.jpg><naveditor.jpg>
>>
>>
>>
>>
>> -------------------------------------------------------
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>
>
> -- 
> ************************************
>
> Carl Barrow
> Web Developer
> e-Services
> The University of Hull
> Cottingham Road
> Hull
> HU6 7RX
> Ext. 6838
> ************************************
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by: NEC IT Guy Games.
> Get your fingers limbered up and give it your best shot. 4 great  
> events, 4
> opportunities to win big! Highest score wins.NEC IT Guy Games. Play to
> win an NEC 61 plasma display. Visit http://www.necitguy.com/?r=20
> _______________________________________________
> Hypercontent-users mailing list
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