Re: [docbook-apps] How to show URL after link text for PDF outputfrom Docbook 5.0?

[ggrasboeck <g.grasboeck@inode.at>]

As for the ulink:show "dilemma", i am partly on your side that you should
keep this parameter, as many existing custom layers may depend on it. I also
agree with you on the way it should work.

On the other hand, if you say goodbye to ulink:show for a new more fitting
parameter, i think that would be a better solution in the long run, as
editing a custom layer to make it work again is a one time step and not too
painful. All that with the assumtion that the transformations need not be
backward compatible to older Docbook versions.


I had a few minor issues to solve with your customizable solution but now it
works as intended.

The first issue was a missing declaration of the xlink namespace in my
custom.xsl.

The second problem was an existing custom template for 'inline.linkseq'
which was now overruled by your code. I had all my links displayed in blue
color, but the new modified links with xrefstyle='ulink' did not show up in
blue anymore. So i modified your code a little and added an fo:inline to
have my blue color back.

This is how the relevant part of my customization file now looks like. I am
not too firm with XSLT, but i hope i did it right. At least it works as
intended now.

<?xml version='1.0'?> 
<xsl:stylesheet
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0"
  xmlns:d="http://docbook.org/ns/docbook";
  xmlns:xlink="http://www.w3.org/1999/xlink";
  xmlns:fo="http://www.w3.org/1999/XSL/Format";>
  <xsl:import
href="file://localhost/i:/docbook/tools/docbook-xsl/fo/docbook.xsl"/>
  <xsl:include href="file://localhost/i:/docbook/cfg/custom_titlepage.xsl"/>

<!-- Show URL after link text for links with attribute xrefstyle='ulink' -->
<!-- Display all these links in blue
<xsl:template match="d:link[@xrefstyle = 'ulink']">
  <xsl:param name="content">
    <xsl:call-template name="simple.xlink">
      <xsl:with-param name="content">
        <xsl:apply-templates/>
        <xsl:text> (</xsl:text>
        <xsl:value-of select="@xlink:href"/>
        <xsl:text>)</xsl:text>
      </xsl:with-param>
    </xsl:call-template>
  </xsl:param>

  <fo:inline color="blue">
    <xsl:call-template name="anchor"/>
    <xsl:if test="@dir">
      <xsl:attribute name="direction">
        <xsl:choose>
          <xsl:when test="@dir = 'ltr' or @dir = 'lro'">ltr</xsl:when>
          <xsl:otherwise>rtl</xsl:otherwise>
        </xsl:choose>
      </xsl:attribute>
    </xsl:if>
    <xsl:copy-of select="$content"/>
  </fo:inline>
</xsl:template>

<!-- display all links in blue -->
<xsl:template name="inline.linkseq">
  <xsl:param name="content">
    <xsl:call-template name="simple.xlink">
      <xsl:with-param name="content">
        <xsl:apply-templates/>
      </xsl:with-param>
    </xsl:call-template>
  </xsl:param>

  <fo:inline color="blue">
    <xsl:call-template name="anchor"/>
    <xsl:if test="@dir">
      <xsl:attribute name="direction">
        <xsl:choose>
          <xsl:when test="@dir = 'ltr' or @dir = 'lro'">ltr</xsl:when>
          <xsl:otherwise>rtl</xsl:otherwise>
        </xsl:choose>
      </xsl:attribute>
    </xsl:if>
    <xsl:copy-of select="$content"/>
  </fo:inline>
</xsl:template>

Regards
Gerhard Grasboeck



Bob Stayton wrote:
> 
> Well, it looks like the ulink.show feature was "misplaced" in the 
> transition.  I wonder if we should continue to use the ulink.show
> parameter 
> name, since it is no longer a ulink element?  I suppose so.  It should 
> probably work only when a link element contains an external URL, and not 
> apply to another element with an xlink that is external.  Does that make 
> sense?
> 
> Since you want custom behavior anyway, this solution or something like it 
> in a customization layer should work for you:
> 
> <xsl:template match="d:link[@xrefstyle = 'ulink']">
>   <xsl:call-template name="simple.xlink">
>     <xsl:with-param name="content">
>       <xsl:apply-templates/>
>       <xsl:text> (</xsl:text>
>       <xsl:value-of select="@xlink:href"/>
>       <xsl:text>)</xsl:text>
>     </xsl:with-param>
>   </xsl:call-template>
> </xsl:template>
> 
> It adds the href when the attribute xrefstyle="ulink".
> 
> Bob Stayton
> Sagehill Enterprises
> DocBook Consulting
> bobs@sagehill.net
> 
> 
> ----- Original Message ----- 
> From: "ggrasboeck" <g.grasboeck@inode.at>
> To: <docbook-apps@lists.oasis-open.org>
> Sent: Monday, June 18, 2007 4:58 AM
> Subject: [docbook-apps] How to show URL after link text for PDF output
> from 
> Docbook 5.0?
> 
> 
>>
>> We have switched to a Docbook 5.0 toolchain with xsltproc and FOP 
>> recently.
>> All problems regarding output formatting (especially PDF) could be solved
>> with one exception.
>>
>> For nearly all external links we want our destination URLs to be shown 
>> after
>> the link text in PDF output and could find no way to do that with Docbook
>> 5.0CR4, docbook5-xsl 1.72.0 and FOP 0.93. ulink.show does not seem to 
>> work
>> anymore, i assume because ulink should be dead in Version 5.
>> We also have some exceptions to this rule, so a solution an a per-link 
>> basis
>> would be preferrable for us over a global transformation setting.
>>
>> Our links all look like this:
>>
>>      <link
>> xlink:href="http://parlament.gv.at/path/to/doku/DocName.xml";>XML-File</link>
>>
>> and the output in PDF should look like this:
>>
>>      XML-File (http://parlament.gv.at/path/to/doku/DocName.xml)
>>
>> with the destination URL shown after the link text.
>>
>> We did this before with Docbook 4.2 and a LaTeX toolchain but with the 
>> new
>> toolchain we could find no working solution. I have already searched the
>> documentation and the forums, but could find no working solution.
>> Any help on this would be appreciated.
>>
>> Regards
>> Gerhard Grasboeck
>> -- 
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>> Sent from the docbook apps mailing list archive at Nabble.com.
>>
>>
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