WG: [docbook-apps] HTML- SVG problem: How to change HTML tags?

["Schramm, Martin" <MSchramm@harmanbecker.com>]

Dear Bob,
thanks for your advice, but I still have not been successful.

I have changed "<object data=..." to "<data data=..."
and "</object>" to and "</data>" (because these start and end tags had worked, when I had changed the HTML code manually).

Then I have tried to run the xsl transformation, but I have got the following error message:
"line 170 element element unregistered variable tag xmlXPathCompiledEval: evaluation failed"
(line 170 says: <xsl:element name="{$tag}">)

So, the HTML code is evaluated with the result, that I am not allowed to replace the "object" tag by "data".
This is a pity, because "object" does not work in the internet explorer for unknown reasons, and "data" does.

- Is there a way to turn off the HTML evaluation? 
- Or do I have to customize further lines in the code of "graphics.xsl" file?

Maybe, I have to write a transformation, which adjusts the HTML output after it has been transformed by my customization. But this would make everything even more complicated. 

Best regards,
Martin
 

>Von: Bob Stayton [mailto:bobs@sagehill.net]
>Gesendet: Donnerstag, 8. März 2007 18:39
>An: Schramm, Martin; docbook-apps@lists.oasis-open.org
>Betreff: Re: [docbook-apps] HTML- SVG problem: How to change HTML tags?
>
>Hi Martin,
>I think you are very close.  The part you found creates the HTML tags 
>and saves them as a result tree fragment in the 'img' variable.  
>Further down the big process.image template is <xsl:copy-of 
>select="$img"/> which then outputs the result tree fragment created 
>earlier.  So where you see <object data= ... is where you should make 
>the change.  Let me know if I'm not understanding your question.
>
>The process.image template really needs to be rewritten into smaller 
>modular pieces that are easier to customize.  That template is almost 
>800 lines long!
>
>Bob Stayton
>Sagehill Enterprises
>DocBook Consulting
>bobs@sagehill.net
>
>
>----- Original Message -----
>From: "Schramm, Martin" <MSchramm@harmanbecker.com>
>To: <docbook-apps@lists.oasis-open.org>
>Sent: Thursday, March 08, 2007 9:15 AM
>Subject: [docbook-apps] HTML- SVG problem: How to change HTML tags?
>
>
>> Dear all,
>> I would like to ask you for some support with my HTML customization:
>>
>> I've got a problem to transform my DocBook files with SVG graphics to 
>> HTML (by using XSLTProc and the .../html/docbook.xsl file). When I 
>> check the HTML output, the SVG graphics will only be displayed in 
>> Mozilla v 2.0.0.2 and Opera v 9.10 . In MS Internet Explorer v 6.0, 
>> though I have installed the Adobe SVG Viewer Plugin. In MS Internet 
>> Explorer the text is displayed normally, but only the empty viewport 
>> of the SVG graphics is visible. Obviously tries to load data but does 
>> not come to an successful end. I do not prefer MS IE, but most of the 
>> customers use it.
>>
>The HTML output, that IE cannot display, looks like this:
>
><div class="figure">
>        <a name="id512734" id="id512734"></a>
>        <div class="mediaobject">
>          <table border="0" summary="manufactured viewport for HTML 
>img"
>cellspacing="0" cellpadding="0" width="720">
>            <tr>
>              <td><object
>data="figures/060609_structure-guideline-b.svg" type="image/svg+xml"
>width="720" height="540">
>                </object></td>
>            </tr>
>          </table>
>        </div>
>        <p class="title"><b>Figure&nbsp;1.1.&nbsp;structure of 
>guideline</b></p>
>  </div>
>
>By chance I have found out, that all browsers (including the MS IE) 
>manage to display the HTML file AND the SVG graphic, when I change the 
>HTML tag manually from "<object data="figures/...." to just 
>"<data="figures/...". So the HTML output looks like this:
>
><div class="figure">
>        <a name="id512734" id="id512734"></a>
>        <div class="mediaobject">
>          <table border="0" summary="manufactured viewport for HTML 
>img"
>cellspacing="0" cellpadding="0" width="720">
>            <tr>
>              <td><data="figures/060609_structure-guideline-b.svg"
>type="image/svg+xml" width="720" height="540">
>                </data></td>
>            </tr>
>          </table>
>        </div>
>        <p class="title"><b>Figure&nbsp;1.1.&nbsp;structure of 
>guideline</b></p>
>  </div>
>
>I know this is a dirty foul against the w3c rules, because this tagging 
>is not allowed. But it works and unless I find a better way to outsmart 
>this MS IE bug, I want to go this way.
>
>Now I would like to change my HTML Customization, so it will produce 
>the tagging like shown above. I have found the piece of code that 
>checks the parameter settings of the SVG image in the "graphics.xsl" 
>file
>("<xsl:variable name="img">   <xsl:choose>     <xsl:when 
>test="@format =
>'SVG'">   <object data="{$filename}" type="image/svg+xml"> etc. "). But
>I could not find the part of the code, where it produces the HTML tags.
>
>My question (it is rather an appeal):
>==========================
>Where do I have to change the code and how can I change it within my 
>customization, to produce an HTML tag "<data="figures/...".  instead or 
>"<object data="figures/...." .
>
>Thanks a lot, I need to make my graphics visible and this problem 
>drives me mad.
>
>> Many thanks,
>> Martin
>>
>>
>
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