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From rOnnie974 <ronnie.ba...@gmail.com>
Subject Re: AW: AW: Table height issue
Date Fri, 05 Feb 2010 11:29:23 GMT

THANK YOU for your complete answer !

Before you answered me, I made some researchs and succeeded in generating an
area tree file. 

Now I have to understand this file, and, before, to indent it ! FOP made a
file with the entire code in one line ! xD

Thank you again.


Georg Datterl-2 wrote:
> 
> Hi Ronnie,
> 
> Basically (and simplified), in my case I have two colums and the shorter
> columns has to be extended. So I build my table with one block in each
> column. Each block is marked by an id. Then I serialize my table into a fo
> file and generate the area tree, an intermediate format between fo and
> pdf. This format is an xml tree with all the basic informations like page,
> column and line breaks, size of areas and so on. I search for the marked
> blocks, get their height and compare. Then I extend the smaller block in
> my original table and serialize again. Now I can generate the PDF and both
> columns have the same height.
> 
> Problems:
> * I have to generate the area tree for each table. That takes some time.
> * One of my blocks contains a table, which gives basically unpredictable
> results if split over more than two pages.
> * What should happen if there's a page break after one column is already
> finished? In that case you won't find the block on the second page and
> extending the block might change the break position and then the
> calculated block height is incorrect.
> 
> You should make REALLY sure you REALLY need that feature.
> 
> http://markmail.org/search/?q=georg.datterl+from%3A%22Georg+Datterl%22+list%3Aorg.apache.xmlgraphics.fop-users+type%3Ausers+date%3A200804-201002++table
> 
> that should give you a list of my postings talking about tables. Read at
> you own peril. :-)
> 
> You can get the area tree with this code:
> 
>             FopFactory fopFactory = FopFactory.newInstance();
>                 fopFactory.setUserConfig(new File("fonts/fop.xconf"));
>             FOUserAgent foUserAgent = fopFactory.newFOUserAgent();
>             SAXTransformerFactory mpFactory =
> (SAXTransformerFactory)SAXTransformerFactory.newInstance();
>             Transformer transformer =  mpFactory.newTransformer();
>             TransformerHandler handler =
> mpFactory.newTransformerHandler();
>             DOMResult domResult = new DOMResult();
>             handler.setResult(domResult);
> 
>             org.apache.fop.render.Renderer targetRenderer =
>             foUserAgent.getRendererFactory().createRenderer(
>                             foUserAgent, MimeConstants.MIME_PDF);
> 
>             XMLRenderer renderer = new XMLRenderer();
>             renderer.mimicRenderer(targetRenderer);
>             renderer.setContentHandler(handler);
>             renderer.setUserAgent(foUserAgent);
> 
>             foUserAgent.setRendererOverride(renderer);
> 
>             Fop fop = fopFactory.newFop(foUserAgent);
>             Result res = new SAXResult(fop.getDefaultHandler());
>             transformer.transform(source, res);  // source is a
> StreamSource containing the fo file
>             return  (org.w3c.dom.Document)domResult.getNode();
> 
> Hope that helps.
> 
> Georg Datterl
> 
> ------ Kontakt ------
> 
> Georg Datterl
> 
> Geneon media solutions gmbh
> Gutenstetter Straße 8a
> 90449 Nürnberg
> 
> HRB Nürnberg: 17193
> Geschäftsführer: Yong-Harry Steiert
> 
> Tel.: 0911/36 78 88 - 26
> Fax: 0911/36 78 88 - 20
> 
> www.geneon.de
> 
> Weitere Mitglieder der Willmy MediaGroup:
> 
> IRS Integrated Realization Services GmbH:    www.irs-nbg.de
> Willmy PrintMedia GmbH:                            www.willmy.de
> Willmy Consult & Content GmbH:                 www.willmycc.de
> -----Ursprüngliche Nachricht-----
> Von: rOnnie974 [mailto:ronnie.baret@gmail.com]
> Gesendet: Freitag, 5. Februar 2010 11:43
> An: fop-users@xmlgraphics.apache.org
> Betreff: Re: AW: Table height issue
> 
> 
> Thanks for your answer Georg.
> 
> I did not find the threads you are talking about.
> 
>> I create the table, parse the area tree and then insert empty blocks
>> with a calculated height to simulate that.
> Could you please explain me how to do that ? I am a beginner and do not
> know what area trees are.
> 
> Thanks you in advance.
> 
> 
> 
> Georg Datterl-2 wrote:
>>
>> Hi Ronnie,
>>
>>> Does not exist an attribute that would say to my table to extend it
>>> until there is no more available area on the last page ?
>>
>> Trust me, there is none. I create the table, parse the area tree and
>> then insert empty blocks with a calculated height to simulate that.
>> You can search the archive for threads I started, many of them deal
>> with exactly that problem...
>>
>> Regards,
>>
>> Georg Datterl
>>
>> ------ Kontakt ------
>>
>> Georg Datterl
>>
>> Geneon media solutions gmbh
>> Gutenstetter Straße 8a
>> 90449 Nürnberg
>>
>> HRB Nürnberg: 17193
>> Geschäftsführer: Yong-Harry Steiert
>>
>> Tel.: 0911/36 78 88 - 26
>> Fax: 0911/36 78 88 - 20
>>
>> www.geneon.de
>>
>> Weitere Mitglieder der Willmy MediaGroup:
>>
>> IRS Integrated Realization Services GmbH:    www.irs-nbg.de
>> Willmy PrintMedia GmbH:                            www.willmy.de
>> Willmy Consult & Content GmbH:                 www.willmycc.de
>> -----Ursprüngliche Nachricht-----
>> Von: rOnnie974 [mailto:ronnie.baret@gmail.com]
>> Gesendet: Freitag, 5. Februar 2010 05:32
>> An: fop-users@xmlgraphics.apache.org
>> Betreff: Re: Table height issue
>>
>>
>> Hi,
>>
>> Thanks for your answer.
>>
>> Unfortunately, as I said, I write directly in XSL FO. It was simplier
>> for me to have the design I want, but perhaps I made a mistake.
>>
>> Moreover, the height of each quote can change as they can have a
>> bigger description. Another difficulty is that the document can be
>> extended on several pages, and the header do not have to be repeated.
>> So the last page can be different than if it has only one.
>>
>> Does not exist an attribute that would say to my table to extend it
>> until there is no more available area on the last page ?
>>
>>
>> Venkat Reddy-7 wrote:
>>>
>>> Hi,
>>>
>>> May be, you can acheive this using your xslt file.
>>> I hope, you are using XSLT + XML to generate XSL:FO file.
>>> You can check the number of rows under each quote while generating
>>> the FO file, add the extra empty rows or increase the height of the
>>> last row when the script finds less no.of rows.
>>>
>>> Hope this will help you,
>>> Venkat.
>>>
>>> rOnnie974 wrote:
>>>> I am using the trunk version of FOP.
>>>>
>>>> here is a pdf I generated.
>>>>
>>>> https://www.yousendit.com/download/S1VEaUNGaTFoMlVLSkE9PQ (available
>>>> 7
>>>> days)
>>>>
>>>> I want that the second table can be extended to fill the entire page.
>>>>
>>>>
>>>> Venkat Reddy-7 wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> Can you please provide an example doc what you are looking for?
>>>>> and also mention the version you are using...
>>>>>
>>>>> Thanks,
>>>>> Venkat.
>>>>>
>>>>> rOnnie974 wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> I make quote documents by writing directly in XSL-FO with a XML
>>>>>> behind.
>>>>>>
>>>>>> The number of rows is variable from one quote to another, so I
>>>>>> have to put some blank rows at the end of the table body before
>>>>>> the footer, so that the table takes the entire page.
>>>>>>
>>>>>> How can I make it dynamically ? Or do you see another solution to
>>>>>> this issue ?
>>>>>>
>>>>>> Thanks in advance.
>>>>>>
>>>>>> Ronnie Baret
>>>>>>
>>>>>>
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>>>>>
>>>>
>>>>
>>>
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>>
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