docbook-apps

Hi,

I have a long table in which certain columns contain a large vertical
span (using morerows attribute).

When printing to pdf with fop, fop page breaks this large vertical cell
at an arbitrary place.

I have been trying to control this using the 'keep-together' directive,
but I see no effect.

What is the best way to make sure fop will only break a table at the end
of cell that spans multiple rows?

Thanks,

Marcel
--

Hi Marcel,

Marcel Tromp wrote:
> Hi,
>
> I have a long table in which certain columns contain a large vertical
> span (using morerows attribute).
>
> When printing to pdf with fop, fop page breaks this large vertical cell
> at an arbitrary place.
>
> I have been trying to control this using the 'keep-together' directive,
> but I see no effect.
>
> What is the best way to make sure fop will only break a table at the end
> of cell that spans multiple rows?

keep-together set on the spanning cell should work. Which version of FOP
are you using?


> Thanks,
>
> Marcel

Vincent

Hi,

I am using fop 0.95. I am using code similar to this example:

I've tried using this dbfo at different location as well (row, start of
table) and I don't see any difference: fop breaks the table in the
middle of a cell that straddles multiple rows.


<row>
<entry>
<para>foo</para>
</entry>
<entry>
<para>foo</para>
</entry>
<entry morerows="19">

<para></para>
</entry>

What I am trying to do is to have a long (500 row) narrow, sorted table
be printed three columns per page. I want to use the straddled cell to
control page breaks:

page 1:
1 6 11
2 7 12
3 8 13
4 9 14
5 10 15

page 2:
16 21 26
17 22 27
18 23 28
19 24 29
20 25 30

page 3:
etc.

Marcel
--


Vincent Hennebert wrote:
> Hi Marcel,
>
> Marcel Tromp wrote:
>> Hi,
>>
>> I have a long table in which certain columns contain a large vertical
>> span (using morerows attribute).
>>
>> When printing to pdf with fop, fop page breaks this large vertical
>> cell at an arbitrary place.
>>
>> I have been trying to control this using the 'keep-together'
>> directive, but I see no effect.
>>
>> What is the best way to make sure fop will only break a table at the
>> end of cell that spans multiple rows?
>
> keep-together set on the spanning cell should work. Which version of FOP
> are you using?
>
>
>> Thanks,
>>
>> Marcel
>
> Vincent
>
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Hi,

Marcel Tromp wrote:
> Hi,
>
> I am using fop 0.95. I am using code similar to this example:
>
> I've tried using this dbfo at different location as well (row, start of
> table) and I don't see any difference: fop breaks the table in the
> middle of a cell that straddles multiple rows.
>
>
> <row>
> <entry>
> <para>foo</para>
> </entry>
> <entry>
> <para>foo</para>
> </entry>
> <entry morerows="19">
>
> <para></para>
> </entry>

This processing instruction only applies to formal object (table,
example, figure, equation), not to other elements [1].
[1] http://docbook.sourceforge.net/release/xsl/current/doc/pi/dbfo_keep-together.html

You will have to customize the template matching <entry> and add
a keep-together.within-column="always" to the produced fo:table-cell
element. As to how to do that...


> What I am trying to do is to have a long (500 row) narrow, sorted table
> be printed three columns per page. I want to use the straddled cell to
> control page breaks:
>
> page 1:
> 1 6 11
> 2 7 12
> 3 8 13
> 4 9 14
> 5 10 15
>
> page 2:
> 16 21 26
> 17 22 27
> 18 23 28
> 19 24 29
> 20 25 30
>
> page 3:
> etc.

I’m not sure this is the best way to achieve that. The source DocBook
file should remain output-agnostic; by adding a row-spanning entry
element you’re somehow abusing its semantics.
A more proper way would be to customize the XSLT stylesheets so as to
put a keep-together.within-column plus keep-with-next.within-column on
every row, except every n-th row. Of course that requires some XSLT
knowledge.


HTH,
Vincent