At 2012-09-25 22:12 +0200, Jesper Tverskov wrote:
I want to do something like the following:
When a fo:block A in a flow appears not on page one, where it normally
goes, but on page two, fo:block B on page 1 should be made visible,
and fo:block C on page 1 should no longer be visible.
This can likely be done with markers retrieved in a border-less table header.
I don't know if something like the above can be achieved with
fo:multi-switch, and I don't know what FOP processors support
fo:multi-switch? Apache FOP?
That is not the role of multi-switch, which is reserved for use in an
interactive FO presentation, not a static FO presentation. I don't
know of any vendors supporting interactive FO presentation. The
multi-switch is there to avoid a lot of scripting such as that found
in expanding/collapsing tables of content.
Or are there other ways the above can be achieved?
Flowing markers on the page might work for you.
I have a feeling that it is not at all possible in XSL-FO alone. It is
impossible to make use of information that is first available when the
formatting has taken place? Some trick is probably necessary?
I need a little help and some hints before I start experimenting for real.
You don't give a working example to play with, but something like the
following pseudo structure may work:
table - table-omit-header-at-break="true"
table-header
table-cell
retrieve B
retrieve C
table-body
table-cell
block
define marker "B" with block B
define marker "C" as empty (redundant, but helps maintenance)
block A
block
define marker "B" as empty
define marker "C" with block C
My thought above is that if the table end is on the same page as the
table start, then "B" is emptied out and "C" is displayed. However,
if the table extends over the end of the page, then "B" is displayed
and "C" is empty. The omission of the header on page break means
that neither will show up on the next page.
I hope this works for you.
. . . . . . . . . . . . Ken
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