[xep-support] Different text alignment in one block

[G. Ken Holman]

At 2010-09-01 21:06 +0200, Bastian Kroll wrote:
>I´ve a problem with text-blocks and different 
>alignments in this block - often different alignments in one line.
>Quick description of my problem:
>I´ve got a block-container and in there is a block.
>In this block there is/are one/some inline 
>elements. The block is set to 
>text-align="justify" text-align-last="left". So 
>far, so good. BUT: in the last line, there have 
>to be a additional inline-element that have to 
>be aligned right!! And if there is no space for 
>this last inline-element in the last line, this 
>last element have to be moved to the next line. 
>So the line before is aligned left, the last 
>(with this last inline-element) aligned right.
>Is there a solution in XEP (XSL-FO) to solve this?

Certainly there is an easy solution in XSL-FO ... 
I use the following technique in the student list 
of the name tents for the students of my XSLT, 
XQuery and XSL-FO classes, which applied in your 
situation would look like the following:

   <block text-align="justify" text-align-last="justify">
   blah blah blah blah blah blah blah blah blah blah blah blah
   blah blah blah blah blah blah blah blah blah blah blah blah
   blah blah blah blah blah blah blah blah blah blah blah blah
   blah blah blah blah blah blah blah blah blah blah blah blah
   blah<leader leader-length.minimum="0pt" 
keep-with-previous="always"/><leader 
leader-length.minimum="0pt" keep-with-next="always"/>Author
   </block>

When I do this on my name tents I start with:

   <block text-align="justify" text-align-last="justify">
   name<leader leader-length.minimum="0pt" 
keep-with-previous="always"/><leader 
leader-length.minimum="0pt" keep-with-next="always"/>address
   </block>

And to force the breaks (as I think you will have 
to do with the author value but not the paragraph text), I refine this to:

   <block text-align="justify" text-align-last="justify">
   <inline 
keep-together.within-line="always">name</inline><leader 
leader-length.minimum="0pt" 
keep-with-previous="always"/><leader 
leader-length.minimum="0pt" 
keep-with-next="always"/><inline 
keep-together.within-line="always">address</inline>
   </block>

And I see:

   John Smith  Sydney, Australia
   Jane Doe
        New Westminister, Canada
   Jim Jones     London, England

If I make the two leaders visible for you, using 
"-" for the first one and "_" for the second one, the lines look like this:

   John Smith-_Sydney, Australia
   Jane Doe---------------------
   _____New Westminister, Canada
   Jim Jones---__London, England

I see your problem as simply a version of the 
above problem, so I think this will work for you.

It is based on the principle that a leader grows 
on a justified line as long as it can, and in 
sync with other leaders on the line, until the 
line is full, and before any spaces are expanded for justification.

So, in all, your solution would look like:

   <block text-align="justify" text-align-last="justify">
   blah blah blah blah blah blah blah blah blah blah blah blah
   blah blah blah blah blah blah blah blah blah blah blah blah
   blah blah blah blah blah blah blah blah blah blah blah blah
   blah blah blah blah blah blah blah blah blah blah blah blah
   blah<leader leader-length.minimum="0pt" 
keep-with-previous="always"/><leader 
leader-length.minimum="0pt" 
keep-with-next="always"/><inline 
keep-together.within-line="always">Author</inline>
   </block>

I hope this helps.  This is covered in my class 
on XSL-FO, and those readers of the archive who 
have my XSL-FO book, this is illustrated in the 
figure on page 167 of the Seventh Edition.

. . . . . . . . . . . . . .Ken

--
XSLT/XQuery training:   after http://XMLPrague.cz 2011-03-28/04-01
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G. Ken Holman                 mailto:gkholman at CraneSoftwrights.com
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