Oxygen XML Forum

Posted: **Thu Jul 21, 2022 10:40 pm**

Hello,
I am trying to place an xref inside each topic in my bookmap that will take me back to the Table of Contents. Unfortunately the TOC is a generated file, and there does not seem to be an href that I can construct like I normally would. Is there a way to put some kind of cross reference in each topics source XML to link back to the TOC?

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Thanks!
Pat

Posted: **Fri Jul 22, 2022 12:33 pm**

Hello,

In PDF you have a bookmarks panel and in WebHelp you have links on top of the pages. Why do you need an additional link to the toc in the topic?

Best regards,
Alex

Posted: **Fri Jul 22, 2022 2:18 pm**

Hi Alex,
Good question...we want to use this document on an iPad in an airplane, and it is easier to click a link on the page that you are on rather than select the bookmarks tab.
Is there a way to do this?
Thanks!
Pat

Posted: **Tue Jul 26, 2022 10:36 am**

Hi Pat,

This is possible in the DITA Map PDF - based on HTML5 & CSS transformation scenario by doing the following steps:

Create an XSLT stylesheet with the following template:

Code: Select all

<xsl:template match="*[contains(@class, 'toc/title')]" mode="div-it">
  <div>
    <xsl:attribute name="class" select="'- toc/anchor anchor'"/>
    <xsl:attribute name="id" select="'toc-anchor'"/>
  </div>
  <xsl:next-match/>
</xsl:template>

Create a CSS stylesheet with the following template:

Code: Select all

@page chapter:first:left:right {
  @top-right {
    content: "Back to top";
    -oxy-link: "#toc-anchor";
    color: #337ab7;
  }
}
@page chapter:left:right {
  @top-right {
    content: "Back to top";
    -oxy-link: "#toc-anchor";
    color: #337ab7;
  }
}

Create a publishing template descriptor file (.opt) with the following elements:

Code: Select all

<resources>
  <css file="custom.css"/>
</resources>
...
<xslt>
  <extension file="m2h-link-to-toc.xsl" id="com.oxygenxml.pdf.css.xsl.merged2html5"/>
</xslt>

If you need more detailed information, you can find it in our user guide there are other examples but they work in a similar way.

Regards,
Julien

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