RE: Keeping tables together with FOP 0.92b

[Louis . Masters]

"Pascal Sancho" <[EMAIL PROTECTED]> wrote on 09/14/2006 07:47:09 AM:

> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> > Sent: Wednesday, September 13, 2006 9:15 PM
> >
> > I' recently back to working with FOP. I have a document that
> > consists of a number of tables with widely-varying numbers of
> > rows. Sometimes several tables will fit entirely onto a
> > single page, with others will span several pages. The problem
> > I'm having involves those cases where a table almost fits
> > onto a page, but one or two rows flow over onto the next
> > page. I'd like to start a new page if the table won't fit
> > onto the current one.
> >
> > I've tried some keep-with-previous tacks, but when a very
> > long table won't fit onto a single page FOP errors out.
>
> Hi,
> keep-with-previous property doesn't work for table & list (see [1])
> And this is not yet done in FOP_TRUNK (see [2])
>
> > Does anyone have a sure-fire method for causing a table to
> > start on a new page if all the rows won't fit on the current page?
>
> If you know rows height, you can add an explicit page break when needed,
> for example using the XPATH sequence "position() mod XXX", where XXX is
> the number of rows per page.
>

We use the "position() mod XXX" technique to break page sequences and release memory, but there is one major issue we always run in to:  when a cell wraps and the row height increases, your row counts are now off and the breaks no longer occur at predicted intervals.  This can be minimized if you have _very_ predictable data in your cells.
-Lou

> > Thanks.
> > Charles Knell
>
> [1] http://xmlgraphics.apache.org/fop/knownissues.html
> [2] http://xmlgraphics.apache.org/fop/changes.html
>
> HTH,
> Pascal
>
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