Re: [xsl] Page-break/Static content

[Alexey Gokhberg <alexei@xxxxxxxxxx>]

Tobi Kamke wrote:
> 
> Hi all,
> 
> I would like to create a stylesheet for a bill: On the first page there
> should be only the name of the receiver, some text and other things. On the
> second and the following pages there should be some static-content in the
> region-before field (e.g. page-number ...) and then finally in the
> region-body the single items of the bill. So my first problem is that I
> have to different single-page-masters, one for the first page, the other
> for the rest. I have now created the first page, but how can I enforce a
> page-break? I tried this:
> 
>    <fo:page-sequence master-name="sequence">
> 
>    <fo:flow flow-name="xsl-region-body">
>      <xsl:apply-templates select="DOCUMENT/DATA" mode="FirstPage"/>
>     </fo:flow>
> 
>     <fo:block break-after="page"/>
> 
>     <fo:static-content flow-name="xsl-region-before">
>      <fo:block-container height="3cm" width="7cm" top="0cm" left="0cm"
> position="absolute">
>       <fo:block font-family="serif" font-size="10pt" font-weight="bold">
>             Some text
>       </fo:block>
>     </fo:block-container>
>     </fo:static-content>
> 
>    <fo:flow flow-name="xsl-region-body">
>      <xsl:apply-templates select="DOCUMENT/ITEMS" mode="Rest"/>
>     </fo:flow>
> 
> FOP 0.15 returns the error that the flow-names must be unique. What can I
> do? Can someone help me?
> 

According to the recent XSL draft, one and only one fo:flow element is
allowed in the content of fo:page-sequence. You have two of them, which
is wrong anyway. Futhermore, the

     <fo:block break-after="page"/>

has the strange position, being outside any fo:flow and
fo:static-content.

You could try something like:

  <fo:page-sequence master-name="sequence">
<!--

    Place your fo:static-content declarations here ...

-->
    <fo:flow flow-name="xsl-region-body">
      <xsl:apply-templates select="DOCUMENT/DATA" mode="FirstPage"/>
      <fo:block break-after="page"/>
      <xsl:apply-templates select="DOCUMENT/ITEMS" mode="Rest"/>
    </fo:flow>
  </fo:page-sequence>

in order to achieve the proper page break inside the flow.

You will need the page sequence master (fo:page-sequence-master) to
define the separate layouts (incl. the static content) for the first
page and for the rest of the document. Your layout master set will look
like:

      <fo:layout-master-set>
        <fo:simple-page-master master-name="FirstPage" ...> 
          <!-- master for the first page -->
            ...
        </fo:simple-page-master>
        <fo:simple-page-master master-name="Rest" ...>
          <!-- master for the first page -->
            ...
        </fo:simple-page-master>
        <fo:page-sequence-master master-name="sequence">
          <fo:single-page-master-reference master-name="FirstPage"/>
          <fo:repeatable-page-master-reference master-name="Rest"/>
        </fo:page-sequence-master>
      </fo:layout-master-set>

This technique is demonstrated in details in the example of the
telephone bill included in the distribution of our XSL formatter
(available at http://www.unicorn-enterprises.com/ufo_1_00_01.zip); you
might find this example useful.

Alternative (and probably simpler, but stylistically inferior) solution
is using several page-sequences within the same document; the stylesheet
fragment would look like:

  <fo:page-sequence master-name="FirstPage">
<!--

    Place your fo:static-content declarations here ...

-->
    <fo:flow flow-name="xsl-region-body">
      <xsl:apply-templates select="DOCUMENT/DATA" mode="FirstPage"/>
    </fo:flow>
  </fo:page-sequence>

  <fo:page-sequence master-name="Rest">
<!--

    Place your fo:static-content declarations here ...

-->
    <fo:flow flow-name="xsl-region-body">
      <xsl:apply-templates select="DOCUMENT/ITEMS" mode="Rest"/>
    </fo:flow>
  </fo:page-sequence>

In this case you will need two different simple page masters (named
"FirstPage" and "Rest" in this example) to define the correct static
content.

Regards,

Alexey Gokhberg
Unicorn Enterprises SA

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